Trane Uni Fan Coil and Force-Flo Catalogue

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Trane Uni Fan Coil and Force-Flo Catalogue | Manualzz

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Product Catalog

UniTrane™ Fan-Coil

Air Terminal Devices

Horizontal, Vertical, and Low Vertical, Sizes 02–12

May 2012

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Introduction

Factory-installed and

-tested controls.

It isn’t just a fan and a coil…

The Trane Company has redesigned the traditional fan-coil to lead the industry in:

• indoor air quality (IAQ) features

• easy installation and maintenance

• high quality and durability

• advanced controls

Smaller unit footprint.

Quiet operation.

Two-, three-, or four-row coils.

Factory-assembled, -installed, and -tested piping package with IAQ drain pan to collect condensate.

Removable, noncorrosive, positively-sloped drain pan that’s easy to clean.

Build in field service tool with real language LED

Easy-to-remove fan assembly.

16-gage steel construction.

Easy filter access without front panel removal.

Energy efficient electronically commutated motor (ECM)

Cleanable closed-cell insulator (non-fiberglass).

Damper allows up to 100% fresh air.

Revision History

The revision of this literature dated 08 May 2012 includes information for Tracer™ UC400 controls, coil performance updates, and revised performance table formats per new AHRI listing requirements.

Trademarks

Integrated Comfort, Rover, TOPSS, Tracer, Tracer Summit, Trane, the Trane logo, and UniTrane are trademarks of Trane in the United States and other countries. Trane is a business of Ingersoll Rand.

All trademarks referenced in this document are the trademarks of their respective owners.

Teflon is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.

© 2012 Trane All rights reserved UNT-PRC001-EN

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Table of Contents

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Introduction

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Features and Benefits

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Model Number Descriptions

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

General Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Model A, Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Model B, Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Model C, Horizontal Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Model D, Horizontal Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Model E, Horizontal Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Model H, Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Model J, Vertical Cabinet Slope Top . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Model K, Low Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Model L, Low Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Model P, Compact Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Model P, Compact Concealed (with Recessed Panel Option) . . . . . . . . . 17

Factory-Installed Piping Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Selecting the Correct Modulating Valve Size . . . . . . . . . . . . . . . . . . . . . . 23

Performance Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Horizontal Concealed, Compact Concealed, Horizontal Recessed, and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Horizontal Cabinet and Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 28

Vertical Slope Top Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Low Vertical Cabinet and Low Vertical Concealed . . . . . . . . . . . . . . . . . . 30

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal

Recessed and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Horizontal Concealed, Compact Concealed, Horizontal Recessed and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

Horizontal Cabinet and Vertical Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . 35

Vertical Slope Top Cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal

Recessed, and Vertical Recessed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Vertical Concealed . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

Controls

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

ECM Engine Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

Control Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Manual Fan Mode Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Customer Supplied Terminal Interface (CSTI) . . . . . . . . . . . . . . . . . . . . . 41

Tracer Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Sequence of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Zone Sensor Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

3

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Tracer ZN520 and UC400 Additional Features . . . . . . . . . . . . . . . . . . . . . 51

End Device Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Electrical Data

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Dimensions and Weights

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Unit Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Vertical Concealed, Model A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Vertical Cabinet, Model B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Horizontal Concealed, Model C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Horizontal Cabinet, Model D . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Horizontal Recessed, Model E . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Vertical Recessed, Model H . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Vertical Slope Top, Model J . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65

Low Vertical Concealed, Model K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Low Vertical Cabinet, Model L . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Compact Concealed, Model P . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Coil Connections, Vertical Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Coil Connections, Horizontal Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

Fresh Air Opening Locations, Horizontal Units Models C, D, and E . . . . 70

Fresh Air Opening Locations, Vertical Units Models A, B, and J . . . . . . 71

Fresh Air Opening Locations, Low Vertical Units Models K and L . . . . . 72

Wall Box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

Projection Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Mechanical Specifications

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

UniTrane Fan-Coil Mechanical Specifications . . . . . . . . . . . . . . . . . . . . . 75

Piping Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

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Features and Benefits

The UniTrane fan-coil meets the standards of today’s market, as well as the anticipated needs of tomorrow’s market. The tradition that company founder Reuben Trane began in the 1930s continues with the latest generation of fan-coils from The Trane Company.

The UniTrane fan-coil is the leader in these key areas:

• Energy Efficiency

• Indoor Air Quality (IAQ)

• Controls

• Flexibility

• Quality

• Serviceability

Today’s HVAC market is concerned with issues such as indoor air quality (IAQ) and CFCs that demand a change in HVAC products. In addition, renovation has overtaken new construction in the fan-coil market—demanding a design that caters to renovation issues. Trane is concerned with these issues, too. That’s why we designed the UniTrane fan-coil as an integral part of the company’s system solutions with standard IAQ-related features that fully comply with ASHRAE 62.

Energy Efficiency

Trane’s commitment to providing premium quality products has led to the exclusive use of

Electronically Commutated Motors (ECM) in all fan coil models. These brushless DC motors incorporate the latest technology for optimized energy efficiency, acoustical abatement, maintenance free and extended motor life. Each motor has a built-in microprocessor that allows for programmability, soft ramp-up, better airflow control, and serial communication.

• Trane units equipped with ECMs are significantly more efficient than the standard Permanent

Split Capacitor (PSC) motor.

• Lower operating costs on average of 50 percent (versus a PSC motor).

• The Reduced FLA feature allows units to ship with a nameplate FLA rating much lower than a typical ECM unit.

IAQ Design

• Closed-cell insulation is standard on all units to help prevent fiberglass in the airstream.

• The main and auxiliary drain pans are constructed of a noncorrosive engineered plastic (ABS and CyColac T).

• The main and auxiliary drain pans are positively sloped in every plane to assure proper drainage and help maximize protection from microbial growth.

• The drain pans are removable for cleaning.

• Easy filter access encourages frequent changing.

• The auto-economizer damper option allows free cooling and ventilation to help comply with

ASHRAE 62—and save energy and operating costs.

• UniTrane fan-coils have a blow-thru design. Low vertical units are drawthru.

Controls

• This is the industry’s first solution that is factory-mounted, -wired, and -programmed for infinite modulation of fan speed based on space loads, using the Tracer UC400. Auto Fan Speed control with the Tracer ZN520 ramps the fan speed up and down to meet space loads.

• All controls are factory-mounted and tested to minimize field setup and improve reliability.

• Controls are wired with a 24 Vac transformer to keep only a single source power connection requirement to the unit.

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Features and Benefits

6

• All wall-mounted zone sensors require only low voltage control wiring from the device to the unit control box. (No line voltage.)

• The controller automatically determines the unit’s correct operating mode (heat/cool) by utilizing a proportional/integral (PI) control algorithm to maintain the space temperature at the active setpoint, allowing total comfort control.

• Entering water temperature sampling eliminates the need for inefficient bleedlines to sense automatic changeover on two-pipe changeover units.

• The random start-up feature helps reduce electrical demand peaks by randomly staggering multiple units at start-up.

• Occupied/unoccupied operation allows the controller to utilize unoccupied temperature setpoints for energy savings.

• Warm-up and cool-down energy features are standard with Trane controls.

• Continuous fan or fan cycling is available with Tracer ZN010 or ZN510.

• Monitor unit operation using Tracer TU building management system with Tracer ZN510 or

ZN520 and UC400.

• To customize unit control, Tracer TU or Rover™ software will allow field modification of

Tracer ZN510 and ZN520 default settings. Tracer ZN010 uses Rover to field modify default settings. UC400 uses Tracer TU.

• Maximize fan-coil system efficiency with free cooling economizers and modulating valves on units with Tracer ZN520 and UC400.

Flexibility

• Two, three, and four-row coils allow greater design flexibility in two and four-pipe systems.

• One-row steam or hot water reheat coils for dehumidification on units with ZN520 controls.

• Fan motors are available for either high static (0.4-inch external static pressure) or free discharge applications.

• Piping is factory assembled, mounted and tested. Units are also available without piping.

Reheat coil piping is available on 2-pipe units with hot water reheat coils and either a fan speed switch or Tracer ZN520 and UC400.

• Factory piping options include interconnecting piping, control valves, and end valves. Deluxe piping also has unions and a strainer.

• Control options range from a simple fan speed switch to a DDC controller that can tie into a

Tracer Summit building automation system.

• An 8-inch extended end pocket is an available option on the piping end of cabinet style units.

• Slope-top vertical cabinet units are also available for school and dormitory applications to prevent items from being placed on top of the units.

Quality

• Coils and piping packages are air and leak-tested before mounting on the fan-coil.

• Coil piping connections are also air and leak-tested after mounting on the unit.

• All control end devices and moving components (fans and motors) are computer-tested after units are complete.

Serviceability

• Touch-safe control box.

• Integrated user interface with real language LED display.

• Built-in tachometer.

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Features and Benefits

• Filters are easily removable and changed without removing the front panel on vertical cabinet units.

• Motors are easy to disconnect from the fan board, allowing easy service.

• The main and auxiliary drain pans are easily removable and wipe clean with a wet cloth.

• The manual output test function is an invaluable troubleshooting tool. By simply pressing the test button on the Tracer ZN510, ZN520, or ZN010; service personnel can manually exercise outputs in a pre-defined sequence.

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8

Model Number Descriptions

UniTrane Fan-Coil

Following is a complete description of the fan-coil model number. Each digit in the model number has a corresponding code that identifies specific unit options.

Note: Not all options are available on all cabinet styles. Contact your local Trane sales representative for more information.

Digits 1, 2 — Unit Type

FC = Fan-Coil

Digit 3 — Cabinet Type

A = Vertical Concealed

B = Vertical Cabinet

C = Horizontal Concealed

D = Horizontal Cabinet

E = Horizontal Recessed

H = Vertical Recessed

J = Vertical Cabinet Slope Top

P = Compact Concealed

Digit 4 — Development

Sequence “B”

Digits 5, 6, 7 — Unit Size

020

030

120

040

060

080

100

Digit 8 — Unit Voltage

1 = 115/60/1

2 = 208/60/1

3 = 277/60/1

4 = 230/60/1

9 = 220/50/1

Digit 9 — Piping System/

Placement

A = No piping, RH, No Auxiliary Drain

Pan

B = No piping, LH, No Auxiliary Drain

Pan

C = No piping, RH, with Auxiliary

Drain Pan

D = No piping, LH, with Auxiliary

Drain Pan

E = No piping, RH, No Auxiliary Drain

Pan, Extended End Pocket

F = No piping, LH, No Auxiliary Drain

Pan, Extended End Pocket

G = No piping, RH, with Auxiliary

Drain Pan, Extended End Pocket

H = No piping, LH, with Auxiliary

Drain Pan, Extended End Pocket

J = With piping package, RH

K = With piping package, LH

L = With piping package, RH,

Extended End Pocket

M = With piping package, LH,

Extended End Pocket

Digits 10, 11 — Design Sequence

Digit 12 — Inlets

A = Front Toe Space

B = Front Bar Grille

C = Front Stamped Louver

D = Bottom Stamped Louver

E = Bottom Toe Space

F = Back Duct Collar

G = Back Open Return

H = Back Stamped Louver

K = Exposed fan (Model P only)

L = Bottom filter (Model P only)

Digit 13 — Fresh Air Damper

0 = None

A = Manual, Bottom Opening

B = Manual, Back Opening

C = Manual, Top Opening

D = Auto, 2-Position, Bottom Opening

E = Auto, 2-Position, Back Opening

F = Auto, 2-Position, Top Opening

G = Auto, Economizer, Bottom

Opening

H = Auto, Economizer, Back Opening

J = Auto, Economizer, Top Opening

K = No Damper, Bottom Opening

L = No Damper, Back Opening

M = No Damper, Top Opening

Digit 14 — Outlets

A = Front Duct Collar

B = Front Bar Grille

C = Front Stamped Louver

D = Front Quad Grille

G = Top Quad Grille

H = Top Bar Grille

J = Top Duct Collar

Digit 15 — Color

0 = No Paint (Concealed Units Only)

1 = Deluxe Beige

2 = Soft Dove

3 = Cameo White

4 = Driftwood Grey

5 = Stone Grey

6 = Rose Mauve

Digit 16 — Tamperproof Locks/

Leveling Feet

0 = None

B = Keylock Access Door

C = Keylock Panel and Access Door

D = Leveling Feet

F = Keylock Access Door with

Leveling Feet

G = Keylock Panel and Access Door with Leveling Feet

Digit 17 — Motor

A = Free Discharge ECM

B = High Static ECM

Digit 18 — Coil

A = 2-Row Cooling/Heating 1

B =

3-Row Cooling/Heating 1

C =

4-Row Cooling/Heating 1

D = 2-Row Cooling/1-Row Heating

E = 2-Row Cooling/2-Row Heating

F = 3-Row Cooling/1-Row Heating

G = 2-Row Cooling Only

H = 3-Row Cooling Only

J = 4-Row Cooling Only

K =

2-Row Cooling/Heating 1 with

Electric Heat

L =

3-Row Cooling/Heating 1 with

Electric Heat

M =

4-Row Cooling/Heating 1 with

Electric Heat

P =

2-Row Cooling/Heating 1 with

1-Row Heating

Q =

2-Row Cooling/Heating 1 with

2-Row Heating

R =

3-Row Cooling/Heating 1 with

1-Row Heating

X = 2-Row Cooling Only, Electric Heat

Y = 3-Row Cooling Only, Electric Heat

Z = 4-Row Cooling Only, Electric Heat

Digit 19 — Drain Pan Material

3 = Polymer Drain Pan

4 = Stainless Steel Main Drain Pan

Digit 20 — Coil Air Vent

A = Automatic Air Vent

M = Manual Air Vent

1

Designates coils provided with a changeover sensor.

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Model Number Descriptions

Digits 21, 22, 23 — Electric Heat kW — ( ) = 208V Derate

000 = No Electric Heat

010 = 1.0 kW (0.75 kW)

015 = 1.5 kW (1.1 kW)

020 = 2.0 kW (1.5 kW)

025 = 2.5 kW (1.9 kW)

030 = 3.0 kW (2.3 kW)

040 = 4.0 kW (3.0 kW)

050 = 5.0 kW (3.8 kW)

060 = 6.0 kW (4.5 kW)

070 = 7.0 kW (5.3 kW)

080 = 8.0 kW (6.0 kW)

100 = 10.0 kW

Digit 24 — Reheat Coil

0 = None

A = Steam Coil

B = Hot Water Coil

D = High Capacity Hot Water Coil

Digit 25 — Disconnect Switch

0 = None

D = Disconnect Switch

Digit 26 — Filter

0 = None

1 = 1” Throwaway Filter

2 = 1” Throwaway MERV 8 Filter

3 = 1” Throwaway, 1 Extra

4 = 1” Throwaway MERV 8, 1 Extra

5 = 1” Throwaway, 2 Extras

6 = 1” Throwaway MERV 8, 2 Extras

7 = 1” Throwaway, 3 Extras

8 = 1” Throwaway MERV 8, 3 Extras

A = 1” Throwaway MERV 13 Filter

B = 1” Throwaway MERV 13, 1 Extra

C = 1” Throwaway MERV 13, 2 Extras

D = 1” Throwaway MERV 13, 3 Extras

Digit 27 — Main Control Valve

0 = None

A = 2-Way, 2-Position, NO (30 psig)

B = 3-Way, 2-Position, NO (28 psig)

C = 2-Way, 2-Position, NC (30 psig)

D = 3-Way, 2-Position, NC (20 psig)

E = 2-Way, 2-Position, NO (50 psig)

F = 3-Way, 2-Position, NO (28 psig)

G = 2-Way, 2-Position, NC (50 psig)

H = 3-Way, 2-Position, NC (28 psig)

J = 2-Way, Mod., 0.6 Cv (60 psig)

K = 3-Way, Mod., 0.6 Cv (60 psig)

L = 2-Way, Mod., 1.1 Cv (60 psig)

M = 3-Way, Mod., 1.1 Cv (60 psig)

N = 2-Way, Mod., 2.3 Cv (60 psig)

P = 3-Way, Mod., 2.7 Cv (60 psig)

Q = 2-Way, Mod., 3.3Cv (60 psig)

R = 3-Way, Mod., 3.8 Cv (60 psig)

X = Field-supplied, NO

Y = Field-supplied, NC

Z = Field-supplied 3-Wire Modulating

1 = Field supplied analog valve

Digit 28 — Auxiliary Control

Valve

0 = None

A = 2-Way, 2-Position, NO (30 psig)

B = 3-Way, 2-Position, NC (28 psig)

C = 2-Way, 2-Position, NC (30 psig)

D = 3-Way, 2-Position, NC (20 psig)

E = 2-Way, 2-Position, NO (50 psig)

F = 3-Way, 2-Position, NO (28 psig)

G = 2-Way, 2-Position, NC (50 psig)

H = 3-Way, 2-Position, NC (28 psig)

J = 2-Way, Mod., 0.6 Cv (60 psig)

K = 3-Way, Mod., 0.6 Cv (60 psig)

L = 2-Way, Mod., 1.1 Cv (60 psig)

M = 3-Way, Mod., 1.1 Cv (60 psig)

N = 2-Way, Mod., 2.3 Cv (60 psig)

P = 3-Way, Mod., 2.7 Cv (60 psig)

Q = 2-Way, Mod., 3.3Cv (60 psig)

R = 3-Way, Mod., 3.8 Cv (60 psig)

X = Field-supplied, NO

Y = Field-supplied, NC

Z = Field-supplied 3-Wire Modulating

1 = Field supplied analog valve

Digit 29 — Piping Packages

0 = None

A = Basic Ball Valve Supply and

Return

B = Basic Ball Valve Supply/Manual

Circuit Setter

C = Basic Ball Valve Supply and

Return with Auto Circuit Setter

D = Deluxe Ball Valve Supply and

Return

E = Deluxe Ball Valve Supply/Manual

Circuit Setter

F = Deluxe Ball Valve Supply and

Return with Auto Circuit Setter

Digit 30 — Control Type

A = Fan Mode Switch

E = Tracer ZN010

F = Tracer ZN510

G = Tracer ZN520

H = Customer Supplied Terminal

Interface (CSTI)

J = Tracer UC400, Single Zone VAV

Digit 31 — Control Option

D = Unit-Mounted Fan Mode Switch

K = Wall-Mounted Fan Mode Switch

V = Unit-Mounted Fan Speed Switch w/Setpoint Dial Zone Sensor

W = Wall-Mounted Fan Speed Switch w/Setpoint Dial Zone Sensor

X = Unit-Mounted Fan Speed Switch w/Wall-Mounted Setpoint Dial

Zone Sensor

Y = Unit-Mounted Fan Speed Switch

& Wall-Mounted Setpoint Dial w/Comm.

Z = Unit-Mounted Fan Speed Switch,

On/Cancel, Setpoint Dial w/ Comm.

1 = Wall-Mounted On/Cancel w/ Comm.

2 = Wall-Mounted Fan Speed Switch,

Setpoint Dial, On/Cancel w/ Comm.

0 = Without Control Option

3 = Unit-Mounted Low Voltage Fan

Speed Switch (Off /Hi /Med /Low)

4 = Wall-Mounted Digital Zone

Sensor (OALMH, Setpoint,

On/Cancel, Comm Jack)

5 = Wall-Mounted Digital Zone

Sensor (On/Cancel, Comm Jack)

6 = Wireless Zone Sensor

7 = Wireless Display Sensor, Unit-

Mounted Receiver

Digit 32 — IAQ Options

0 = Without IAQ Options

1 = Dehumidification

4 = Dehumidification w/ Sensor

Digit 33 —FLA Motor Option

0 = Standard FLA ECM Mode

A = Reduced FLA ECM Mode

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Model Number Descriptions

Digit 34

0 = None

Digit 35 — Control Function #3

0 = None

2 = Condensate Overflow Detection

Digit 36 — Control Function #4

0 = None

2 = Low Temperature Detection

Digits 37, 38 — Future Control

Functions

Digit 39 — Projection Panels and

Falsebacks

0 = None

A = 5/8” Standard Recessed Panel

(Vertical Recessed Units Only)

B = 2” Projection Panel

C = 2.5” Projection Panel

D = 3” Projection Panel

E = 3.5” Projection Panel

F = 4” Projection Panel

G = 4.5” Projection Panel

H = 5” Projection Panel

J = 5.5” Projection Panel

K = 6” Projection Panel

L = 2”Falseback

M = 3” Falseback

N = 4” Falseback

P = 5” Falseback

Q = 6” Falseback

R = 7” Falseback

T = 8” Falseback

Digit 40 — Main Autoflow Gpm

0 = None

A = 0.5

B = 0.75

C = 1.0

D = 1.5

E = 2.0

F = 2.5

G = 3.0

H = 3.5

J = 4.0

K = 4.5

L = 5.0

M = 6.0

N = 7.0

P = 8.0

Digit 41 — Auxiliary Autoflow

Gpm

0 = None

A = 0.5

B = 0.75

C = 1.0

D = 1.5

E = 2.0

F = 2.5

G = 3.0

H = 3.5

J = 4.0

K = 4.5

L = 5.0

M = 6.0

N = 7.0

P = 8.0

Digit 42 — Subbases

0 = None

A = 2” Subbase

B = 3” Subbase

C = 4” Subbase

D = 5” Subbase

E = 6” Subbase

F = 7” Subbase

Digit 43 — Recessed Flange

0 = None

A = Recessed Flange

Digit 44 — Wall Boxes

0 = None

A = Anodized Wall Box

10 UNT-PRC001-EN

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General Data

Model A, Vertical Concealed

Model B, Vertical Cabinet

Outlet

Top Duct Collar

Inlet

Front Toe Space

Fresh Air

Bottom or Back

Outlet

Top Quad Grille, Top Bar Grille

Inlet

Front Toe Space,

Front Bar Grille

Fresh Air

Bottom or Back

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General Data

Unit Configurations

Model C, Horizontal Concealed

Outlet

Front Duct Collar

Inlet

Back Duct Collar

Fresh Air

N/A

Fresh Air

Top or Back

Outlet

Front Duct Collar

Outlet

Front Duct Collar

Fresh Air

N/A

Inlet

Bottom Toe Space

Inlet

Open Return

No Filter

12 UNT-PRC001-EN

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Model D, Horizontal Cabinet

General Data

Unit Configurations

Fresh Air

Top or Back Fresh Air

N/A

Outlet

Front Quad

Grille, Front Bar Grille

Outlet

Front Duct Collar

Inlet

Bottom Stamped

Louver

Fresh Air

Top or Back Fresh Air

N/A

Outlet

Front Duct Collar

Outlet

Front Quad

Grille, Front Bar Grille

Outlet

Front Quad

Grille, Front Bar Grille

Fresh Air

N/A

Inlet

Bottom Stamped

Louver

Inlet

Back Stamped

Louver

Outlet

Front Duct Collar

Fresh Air

N/A

Inlet

Back Stamped

Louver

Inlet

Back Duct

Collar

Inlet

Back Duct

Collar

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General Data

Unit Configurations

Model E, Horizontal Recessed

Model H, Vertical Recessed

14

Fresh Air

Top or Back

Outlet

Front Duct Collar

Outlet

Front Duct Collar

Fresh Air

N/A

Inlet

Bottom Stamped

Louver

Inlet

Back Duct

Collar

Outlet

Top Duct Collar

Inlet

Front Stamped Louver

Outlet

Front Stamped

Louver

Fresh Air

Bottom or Back

Inlet

Front Stamped Louver

Fresh Air

Bottom or Back

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Model J, Vertical Cabinet Slope Top

General Data

Unit Configurations

Outlet

Top Quad Grille, Top Bar Grille

Model K, Low Vertical Concealed

Model L, Low Vertical Cabinet

Inlet

Front Toe Space,

Front Bar Grille

Fresh Air

Bottom or Back

Inlet

Front Toe Space

Outlet

Top Duct Collar

Fresh Air

Back

Inlet

Front Bar Grille

Outlet

Top Quad Grille, Top Bar Grille

Fresh Air

Back

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General Data

Unit Configurations

Model P, Compact Concealed

Outlet

Front Duct Collar

Fresh Air

N/A

Fresh Air

N/A

Inlet

Back Duct Collar

Outlet

Front Duct Collar

Outlet

Front Duct Collar

Fresh Air

N/A

Inlet, Bottom Filter

(Bottom Toe Space)

Inlet, Exposed

Fan

(Open Return

No Filter)

16 UNT-PRC001-EN

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Model P, Compact Concealed (with Recessed Panel Option)

General Data

Unit Configurations

Fresh Air

N/A

Outlet

Front Duct Collar

Outlet

Front Duct Collar

Outlet

Front Duct Collar

Inlet, Bottom Filter

(Bottom Stamped

Louver)

Fresh Air

N/A

Inlet

(Back Duct

Collar)

Fresh Air

N/A

Inlet,

Exposed Fan

(Open Return

No Filter)

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General Data

Table 1.

UniTrane Fan-Coil general data

Unit Size

Coil Data

Face Area — ft 2

LxDxH — in.

02 03 04

0.8 0.8 1.1

06 08

1.6 2.1

10

3.2

12

3.2

2-Row

3-Row

4-Row

Volume — gal

1-Row

2-Row

3-Row

4-Row

15 x 1.7 x 8

15 x 2.6 x 8

15 x 3.5 x 8

0.06

0.12

0.18

0.24

Fins/ft

2-Row 144 144

3-Row

4-Row

144 144

144 144

Reheat Coil Data (1-Row), Standard or High-Capacity (a)

Hot Water or Steam

Face Area — ft 2

L x D x H — in.

0.6

15 x 1.5 x 6

0.6

15 x 1.5 x 6

0.12

48

Volume — gal

Standard Capacity

(a)

0.12

Fins/ft 48

High-Capacity

(a)

Fins/ft

Fan/Motor Data

Fan Quantity

Size — Dia” x Width”

Size — Dia” x Width”

Motor Quantity

1

6.31 x 4

1

15 x 1.7 x 8

15 x 2.6 x 8

15 x 3.5 x 8

0.06

0.12

0.18

0.24

1

6.31 x 6.5

1

20 x 1.7 x 8

20 x 2.6 x 8

20 x 3.5 x 8

0.08 0.11

0.15

0.23

0.30

144

0.8

20 x 1.5 x 6

0.15

48

144

1

6.31 x 7.5

1

29.5 x 1.7 x 8 38 x 1.7 x 8

29.5 x 2.6 x 8 38 x 2.6 x 8

29.5 x 3.5 x 8 38 x 3.5 x 8

0.22

0.33

0.44

144 144 144 144

144 144 144 144 144

144 144

1.2

0.22

48

144 144 144

144 144

2

6.31 x 6.5

1

0.14

0.28

0.42

0.56

1.6

29.5 x 1.5 x 6 38 x 1.5 x 6

0.28

48

2

6.31 x 7.5

1

57 x 1.7 x 8

57 x 2.6 x 8

57 x 3.5 x 8

0.21

0.42

0.62

0.83

2.4

57 x 1.5 x 6

0.42

48

144

57 x 1.7 x 8

57 x 2.6 x 8

57 x 3.5 x 8

0.21

0.42

0.62

0.83

2.4

57 x 1.5 x 6

0.42

48

144

3 3

(1) 6.31 x 7.5 6.31 x 7.5

(2) 6.31 x 6.5

2 2

Filter Data

1” (cm) TA and Pl. Media

Quantity

Size — in.

1 1 1 1 1 1 1

8-7/8 x 19-1/8 8-7/8 x 19-1/8 8-7/8 x 24-1/8 8-7/8 x 33-5/8 8-7/8 x 42-1/8 8-7/8 x 61-1/8 8-7/8 x 61-1/8

1” Fresh Air Filter (only on cabinet styles D, E, and H with bottom return and fresh air opening)

Quantity

Size — in.

1 1 1 1 1 1 1

5-1/2 x 19-1/8 5-1/2 x 19-1/8 5-1/2 x 24-1/8 5-1/2 x 33-5/8 5-/2 x 42-1/8 5-1/2 x 61-1/8 5-1/2 x 61-1/8

(a) Standard and high-capacity reheat coils share the same component data except that standard capacity reheat coils have 48 fins/ft while high-capacity reheat coils have 144 fins/ft.

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General Data

Table 2.

Low vertical fan-coil general data

Unit Size

Coil Data

Face Area—ft 2

L x D x H—in.

2-Row

3-Row

Volume—gal

1-Row (Heat)

2-Row

3-Row

Fins/ft

2-Row

3-Row

Fan/Motor Data

Fan Quantity

Size—Dia” x Width”

Motor Quantity

Filter Data

1” TA

Quantity

Size—in.

03

1.1

20 x 1.7 x 8

20 x 2.6 x 8

0.08

0.15

0.23

144

144

1

5 x 23

1

1

8-7/8 x 24-1/8

04 06

1.6 2.1

29.5 x 1.7 x 8

29.5 x 2.6 x 8

38 x 1.7 x 8

38 x 2.6 x 8

0.11

0.22

0.33

0.14

0.28

0.42

144 144

144 144

1

5 x 32

1

1

5 x 41

1

1

8-7/8 x 33-5/8

1

8-7/8 x 42-1/8

Table 3.

Fan-coil air flow (cfm)

FC

02

03

04

06

08

10

12

Coil

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

FD

0.05

604

557

790

724

676

1015

1052

988

1105

1074

993

246

242

222

313

309

276

381

365

340

609

External Static Pressure (ESP)

High Static

0.1

0.2

0.3

880

812

1014

992

930

1284

1456

1366

1424

1514

1421

344

352

326

410

391

360

446

544

506

757

824

760

950

927

870

1199

1360

1276

1330

1419

1330

314

319

295

380

358

330

410

506

470

700

766

706

885

861

808

1113

1262

1183

1234

1320

1238

283

284

263

350

324

299

373

467

434

642

0.4

707

652

819

794

745

1024

1162

1089

1134

1219

1144

251

249

230

319

290

267

336

427

397

582

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General Data

Piping Packages

Factory-Installed Piping Packages

UniTrane fan-coils have standard piping packages available as a factory built and installed option.

Piping package options are also available for the hot water reheat coil on two-pipe units equipped with either a fan speed switch or Tracer ZN520 and UC400 controller. Factory built assures all piping packages are fully tested under water for leaks and are built within strict tolerances. Factoryinstalled means that chilled and hot water pipes are the only field connections required. The installer doesn’t have to sweat connect piping packages onto coil connections in a tight end pocket.

Field connections are brought to a point near the exterior of the unit for easy access. All piping and components are located to allow condensate to drain into the auxiliary drain pan. Insulation of the factory piping package is not required. However, all field connections should be insulated to prevent condensation from missing the auxiliary drain pan.

Figure 1.

Factory-installed and -tested piping package (two-pipe deluxe package with manual circuit setter, shown on a horizontal concealed unit)

20

Piping Package Components

UniTrane piping packages consist of a variety of components for each application. The following section provides a detailed description of each of the piping components. Following this section are additional illustrations and specifications.

Piping System/Placement

Factory piping systems are available for either two or four-pipe systems with right or left hand connections. Four-pipe systems have both the heating and cooling connections on the same side of the unit. A simple coil connection (a unit without a piping package) is also available in either a right or left hand configuration for those applications requiring field piping.

Interconnecting Piping

Interconnecting piping refers to the copper piping which is attached to the coil connections and to which all other components (control valves, end valves, etc.) are attached. Piping is 1/2” nominal

OD copper. Two-pipe piping extends near the unit exterior to one inlet and one outlet connection.

Four-pipe units have two sets of piping that extend near the unit exterior — one inlet and one outlet each for both chilled and hot water. A label clearly identifies chilled and hot water connection points on every unit.

Deluxe or Basic Piping Package

The basic piping package includes only the main components of the piping package: interconnecting piping, control valve option, and end valves.

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UNT-PRC001-EN

General Data

Piping Packages

The deluxe piping package also includes a strainer on the entering water pipe and unions at the coil connections along with the basic components. The strainer body is cast brass construction, with a stainless steel mesh strainer that is easily removed for cleaning. The unions are forged brass construction and close with a minimum amount of effort.

End Valves

Each piping package includes a ball valve for the entering water pipe and one of the following end valves on the leaving water pipe: ball valve, manual circuit setter, or an auto circuit setter. These valves serve as the field connection points on all UniTrane piping packages.

Ball Valves.

Ball valves, also known as stop or end valves, allow the unit to be cut off for service purposes. These valves have a two-inch handle that rotates 90 percent to a fully open position. The valve body is cast brass, and the ball is polished brass with a Teflon ® seat. Ball valves are available as end valves on both the entering and leaving water pipes.

Manual Circuit Setter

In lieu of a ball valve on the leaving water pipe, a manual circuit setter, also known as a manual flow control valve, acts as both a flow setting device and a stop valve. This valve allows water flow through the fan-coil unit to be set quickly and accurately.

The manual circuit setter includes Schrader ports in the valve body. These ports are used to measure the pressure drop across the valve. This pressure drop can be compared to factory supplied curves that relate the pressure drop to a specific flow rate. This valve also has a memory stop so the correct setting can be found quickly.

Auto Circuit Setter

An auto circuit setter is an automatic flow control device available on the leaving water pipe. The auto circuit setter includes a cartridge within the valve body that is sized to allow a specific flow rate through the coil. This valve sets flow through the coil without any action required by a system piping balancer. The auto circuit setter is available on the leaving water pipe with a ball valve. The auto circuit setter also includes two P/Ts plugs in the valve body to allow measurement of the pressure drop temperature through the valve.

Control Valves

Piping packages are available with or without control valves. All control valve options are factory mounted and wired to the UniTrane fan-coil controls.

Two-Way/Two-Position Valves

These valves will either fully open or close in response to a 24 Vac signal from the Trane controller.

Main control valves are direct-acting valves, while the auxiliary valves are reverse-acting. All control valves are factory mounted in the leaving water pipe downstream of the coil. Some means of relieving pump head pressure should be accounted for when two-way valves are selected.

Normally open or normally closed valves are available.

Three-Way/Two-Position Valves

These valves will either allow full water flow through the coil or divert the flow through a bypass line. The valves respond to a 24 Vac signal from the Trane controller. Main control valves are direct acting valves, while the auxiliary valves are reverse-acting. All three-way valve packages include a balance fitting in the bypass line to allow flow balancing in the bypass position. Three-way valves are factory mounted in the leaving water pipe downstream of the coil. Normally open or normally closed valves are available.

Two-Way Modulating Valves

These valves modulate the water flow through the coil in response to a signal from the Trane controller. All modulating valves are three-wire floating point equal percentage valves. The modulating valves are factory mounted in the leaving water pipe downstream of the coil.

21

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General Data

Piping Packages

Three-Way Modulating Valves

These valves modulate the water flow through the coil in response to a signal. Three-way valves allow water that is directed through the coil to mix with water that is directed through the bypass line. This mixture exits through the leaving water pipe. All modulating valves are three-wire floating point equal percentage valves. The modulating valves are factory mounted in the leaving water pipe downstream of the coil.

Auto Flow Valve (C)

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General Data

Selecting the Correct Modulating Valve Size

Modulating valves are available in any of four port sizes. The port sizes relate to a Cv of 0.6, 1.1, 2.3,

2.7, 3.3, and 3.8, which is the coefficient of flow. The coefficient of flow is defined as the volume of water flow through a control valve in the fully open position with a 1 psig differential across the valve. It is calculated using the following formula:

Cv = Q/Square root ΔP where:

Cv = flow coefficient

Q = flow rate (Gpm)

ΔP = pressure drop across the valve or coil (psig).

For good control, the valve Cv should be approximately equal to the Cv of the water coil.

Modulating Valve Selection Example

Assume a size 06 fan-coil is selected to operate at the following conditions:

Vertical Cabinet Fan-Coil

Entering water temperature = 45°F

Leaving water temperature = 55°F

EAT conditions = 80/67.

The coil is selected as a four-row coil.

Select the best modulating valve size for this unit.

1.

Find the

ΔP across the water coil. Refer to the AHRI performance table to determine the ΔP across the water coil (or use TOPSS™ selection program). The water pressure drop is found to be 7.0’ of water at a flow rate of 3.74 gpm. This converts to a pressure drop of 3.03 psig (1.0 feet of water = 0.4328 psig.)

2. Calculate the Cv of the water coil.

Cv = Gpm/Square root ΔP

Cv = 3.74/Square root 3.03

Cv = 2.15

Therefore, the valve with the Cv of 2.7 should be selected since it has the Cv which is closest to the Cv of the water coil. The following tables illustrate possible valve selections at AHRI conditions for horizontal concealed units with a high static motor and vertical cabinet units with a free discharge motor.

Note: Do not use these tables for any applications other than vertical cabinet or horizontal concealed units at AHRI conditions.

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General Data

Table 4.

Modulating valve selections for horizontal concealed units

Unit Size

02

03

04

06

08

10

12

Coil

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

Horizontal Concealed (High Static Motor)

Coil

Gpm WPD

3.90

5.13

5.68

5.23

7.14

7.63

6.35

7.98

9.47

1.29

8.8

1.80 23.9

1.84 6.1

1.58

14.1

1.86

2.26

1.90

2.94

3.35

3.32

4.24

4.99

5.4

9.7

4.6

13.9

22.3

15.3

7.5

11.9

5.7

11.8

16.9

10.8

24.2

32.8

16.6

18.5

25.2

Coil

Cv

1.08

1.29

2.35

2.20

2.48

2.27

2.10

2.42

0.66

0.56

1.13

0.64

1.22

1.10

1.35

1.20

2.21

2.03

2.37

2.82

2.87

Table 5.

Modulating valve selections for vertical cabinet units

Unit Size

02

03

04

06

08

10

12

Coil

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

2-Row

3-Row

4-Row

Vertical Cabinet (Free Discharge Motor)

Coil

Gpm WPD

2.86

3.19

3.74

3.14

4.01

4.44

4.39

5.60

1.04

1.40

1.40

1.32

1.57

1.88

1.68

2.25

2.54

5.88

5.28

6.14

7.23

Coil

Cv

11.7

4.4

7.0

3.8

7.5

10.8

7.8

15.4

6.1

0.64

15.4 0.54

3.7

10.3

1.11

0.63

4.0

7.0

3.7

8.6

13.6

1.19

1.08

1.33

1.17

1.05

20.4

11.8

11.2

15.4

1.98

2.34

2.79

2.80

1.27

2.31

2.15

2.45

2.23

2.05

2.39

2.17

Valve

Cv

1.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

0.7

0.7

1.5

0.7

1.5

0.7

1.5

1.5

0.7

1.5

2.5

2.5

2.5

Valve

Cv

0.7

1.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

2.5

0.7

0.7

1.5

0.7

1.5

1.5

1.5

1.5

24 UNT-PRC001-EN

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Performance Data

UniTrane fan-coil performance data is submitted to AHRI with units grouped based on performance. Unit performance is impacted by the unit model and the airflow inlet and outlet configuration. Below is a table which summarizes the performance groups.

Table 6.

Fan-Coil performance groupings

UNIT TYPE

Horizontal Concealed

Compact Concealed

Horizontal Recessed

Vertical Recessed

Vertical Concealed

Horizontal Cabinet

Vertical Cabinet

Vertical Slope Top

Low Vertical Cabinet

Low Vertical Concealed

Horizontal Concealed

Compact Concealed

Horizontal Recessed

Vertical Recessed

Horizontal Cabinet

Vertical Concealed

Motor Type

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

Free Discharge

High Static

High Static

High Static

High Static

High Static

High Static

Filter

NO

YES

YES

NO

NO

NO

NO

NO

NO

NO

NO

YES

YES

NO

NO

NO

External

Static

0.05

0.00

0.00

0.05

0.20

0.20

0.20

0.05

0.05

0.05

0.05

0.00

0.00

0.20

0.20

0.20

Performance Tables

Table 7 , 8 ,

21 & 22

Table 9

,

10

,

23 & 24

Table 11 , 12

,

25 & 26

Table 13 , 14

,

27 & 28

Table 15 & 16

Table 17 , 18

,

29 , & 30

Table 19 , 20

,

31 , & 32

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Performance Data

Main Coil

Horizontal Concealed, Compact Concealed, Horizontal Recessed, and Vertical Recessed

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F

ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F

ΔT.

All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC motor. See

Table 6, p. 25 for performance groupings.

Table 7.

2-pipe performance—free discharge EC motor

COOLING

SIZE

020

030

040

060

080

100

120

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

2HC

2HC

3HC

4HC

2HC

3HC

4HC

365

340

609

604

557

790

724

676

Airflow

(cfm)

246

242

222

313

309

276

381

1015

1052

988

1105

1074

993

Total

Capacity

(MBh)

5.93

6.79

8.15

6.71

7.96

9.51

8.47

11.36

12.76

14.73

16.49

19.16

16.11

20.50

22.59

25.90

31.14

36.48

26.94

31.39

36.46

Sensible

Capacity

4.38

5.01

5.55

5.07

5.98

6.56

6.76

8.03

8.52

11.13

12.37

13.20

13.12

14.61

15.32

19.29

22.21

24.00

20.19

22.40

23.99

Flow Rate

(gpm)

1.2

1.4

1.7

1.4

1.6

1.9

1.7

2.3

2.6

3.0

3.3

3.9

3.3

4.2

4.6

5.3

6.3

7.4

5.5

6.4

7.4

WPD

(ft H20)

8.01

2.87

5.03

9.90

3.81

6.59

3.55

8.21

12.80

11.56

4.43

6.90

3.83

7.41

10.55

10.84

11.09

14.94

11.69

11.29

14.96

Total

Capacity

(MBh)

16.67

20.14

21.47

16.62

24.16

25.69

23.99

30.03

32.46

38.28

47.33

51.53

48.08

58.69

69.94

66.92

85.99

94.57

70.87

87.33

94.96

HEATING

Q/ITD

0.152

0.183

0.195

Flow

Rate

(gpm)

1.1

1.3

1.4

0.178

0.220

0.234

0.218

1.3

1.6

1.7

1.6

0.273

0.295

0.348

0.430

0.468

0.437

0.534

0.581

0.608

0.782

0.860

0.644

0.794

0.863

4.5

5.7

6.3

4.7

5.8

6.3

2.0

2.2

2.6

3.2

3.4

3.2

3.9

4.3

WPD

(ft H20)

5.36

2.26

3.18

7.15

3.15

4.39

2.61

5.29

7.63

7.34

3.60

4.88

3.35

5.89

8.08

7.22

8.81

10.19

8.05

9.08

10.27

Motor

Power

(W)

37

37

37

58

58

79

79

39

39

39

58

79

122

122

122

145

145

145

160

160

160

Table 8.

4-pipe performance—free discharge EC motor

SIZE

020

COIL

2C/1H

Airflow

(cfm)

242

Total

Capacity

(MBh)

5.82

COOLING

Sensible

Capacity

(MBh)

4.28

Flow Rate

(gpm)

1.2

WPD

(ft H20)

7.75

Total

Capacity

(MBh)

9.37

HEATING

Q/ITD

0.085

Flow Rate

(gpm)

0.6

WPD

(ft H20)

0.95

Motor

Power

(W)

37

37

030

2C/2H

3C/1H

2C/1H

2C/2H

222

222

309

276

5.54

6.42

6.66

6.33

4.05

4.72

5.03

4.72

1.1

1.3

1.4

1.3

7.13

2.61

9.79

8.97

15.47

8.86

10.85

18.06

0.141

0.081

0.099

0.164

1.0

0.6

0.7

1.2

4.70

0.86

1.23

6.18

37

39

39

39

040

3C/1H

2C/1H

2C/2H

3C/1H

276

365

340

340

7.47

8.25

7.89

10.90

5.57

6.56

6.24

7.66

1.5

1.7

1.6

2.2

3.40

3.39

3.13

7.63

10.10

13.88

22.20

13.27

0.092

0.126

0.202

0.121

0.7

0.9

1.5

0.9

1.10

2.25

2.26

2.08

58

58

58

79 060

080

2C/1H

2C/2H

3C/1H

2C/1H

604

557

557

724

14.65

14.03

15.70

15.25

11.05

10.51

11.72

12.35

3.0

2.9

3.2

3.1

11.45

10.62

4.05

3.47

22.51

36.12

21.46

28.15

0.205

0.328

0.195

0.256

1.5

2.4

1.4

1.9

6.82

6.60

6.27

12.21

79

79

122

122

100

2C/2H

3C/1H

2C/1H

2C/2H

676

676

1052

988

14.65

19.79

26.31

25.41

11.82

14.05

19.64

18.86

3.0

4.0

5.3

5.2

3.22

6.95

11.15

10.47

43.37

27.02

42.10

65.71

0.394

0.246

0.383

0.597

2.9

1.8

2.8

4.4

2.76

11.35

36.37

6.97

122

145

145

145

120

3C/1H

2C/1H

2C/2H

988

1074

993

30.02

26.51

25.42

21.33

19.82

18.88

6.1

5.4

5.2

10.35

11.35

10.52

40.52

42.63

65.94

0.368

0.388

0.599

2.7

2.8

4.4

32.11

35.15

7.02

160

160

3C/1H 993 30.03

21.33

6.1

10.39

40.65

0.370

2.7

32.29

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

26 UNT-PRC001-EN

UNT-PRC001-EN.book Page 27 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Vertical Concealed

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F ΔT.

All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC motor. See

Table 6, p. 25 for performance groupings.

Table 9.

2-pipe performance—free discharge EC motor

COOLING

SIZE

020

030

040

060

080

100

120

2HC

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

2HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

3HC

4HC

2HC

3HC

4HC

340

328

309

535

531

499

697

646

612

891

Airflow

(cfm)

211

205

192

272

270

247

913

870

980

958

899

Total

Capacity

(MBh)

5.46

6.13

7.41

6.32

7.42

8.92

7.96

10.73

12.09

13.91

15.32

17.98

15.10

19.42

21.47

24.19

28.89

34.18

25.42

29.60

34.69

Sensible

Capacity

3.98

4.48

5.02

4.71

5.53

6.12

6.30

7.53

8.03

10.35

11.41

12.33

12.22

13.76

14.50

17.83

20.45

22.36

18.87

21.00

22.72

Flow Rate

(gpm)

1.1

1.3

1.5

1.3

1.5

1.8

1.6

2.2

2.5

2.8

3.1

3.6

3.1

4.0

4.4

4.9

5.9

6.9

5.2

6.0

7.0

WPD

(ft H20)

6.96

2.40

4.26

8.95

3.36

5.89

3.18

7.42

11.65

10.45

3.87

6.15

3.41

6.72

9.63

9.57

9.63

13.30

10.51

10.11

13.70

Total

Capacity

(MBh)

14.90

17.62

18.93

17.89

21.91

23.48

22.20

27.64

29.98

35.16

43.06

47.12

44.27

53.89

58.93

61.02

77.21

85.08

65.30

80.10

87.45

0.202

0.251

0.273

0.320

0.391

0.428

0.402

0.490

0.536

0.555

HEATING

Flow

Q/ITD

Rate

(gpm)

0.136

0.160

1.0

1.2

0.172

0.163

0.199

0.213

1.3

1.2

1.5

1.6

0.702

0.773

0.594

0.728

0.795

5.1

5.7

4.4

5.3

5.8

1.5

1.8

2.0

2.3

2.9

3.1

3.0

3.6

3.9

4.1

WPD

(ft H20)

4.40

1.78

2.53

6.07

2.64

3.73

2.26

4.55

6.61

6.28

3.01

4.13

2.86

5.02

6.94

6.06

7.16

8.40

6.89

7.68

8.84

58

58

58

79

79

79

122

122

122

145

Motor

Power

(W)

37

37

37

39

39

39

145

145

160

160

160

Table 10. 4-pipe performance—free discharge EC motor

SIZE

200

300

400

600

800

1000

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

Airflow

(cfm)

205

192

192

270

247

247

328

309

309

531

499

499

646

612

612

913

870

Total

Capacity

(MBh)

5.31

5.09

5.84

6.29

5.99

7.02

7.75

7.46

10.33

13.82

13.32

14.68

14.33

13.82

18.82

24.48

23.74

COOLING

Sensible

Capacity

(MBh)

3.86

3.68

4.26

4.69

4.42

5.20

6.12

5.85

7.22

10.28

9.85

10.89

11.55

11.11

13.30

18.07

17.45

Flow Rate

(gpm)

1.1

1.0

1.2

1.3

1.2

1.4

1.6

1.5

2.1

2.8

2.7

3.0

3.10

2.8

3.8

5.0

4.8

WPD

(ft H20)

6.65

6.20

2.21

8.87

8.16

3.05

3.04

2.83

6.94

10.34

9.68

3.58

2.95

2.90

6.35

9.78

9.24

Total

Capacity

(MBh)

8.37

13.82

7.99

10.03

16.73

9.50

12.97

20.73

12.48

20.85

33.46

20.05

26.26

40.46

25.37

38.52

59.96

HEATING

Q/ITD

0.076

0.126

0.073

0.091

0.152

0.086

0.118

0.188

0.113

0.190

0.304

0.182

0.239

0.368

0.231

0.350

0.545

Flow Rate

(gpm)

0.6

0.9

0.5

0.7

1.1

0.6

0.9

1.4

0.8

1.4

2.2

1.3

1.8

2.7

1.7

2.6

4.0

WPD

(ft H20)

0.78

3.86

0.72

1.07

5.39

0.98

2.00

2.00

1.86

6.28

5.74

5.56

10.79

2.41

10.15

29.34

5.87

1200

3C/1H

2C/1H

870

958

27.95

25.06

19.73

18.59

5.7

5.1

9.05

10.24

37.29

39.72

0.339

0.361

2.5

2.7

27.69

30.98

145

160

2C/2H 899 24.13

17.78

4.9

9.56

61.42

0.558

4.1

6.14

160

3C/1H 899 28.43

20.10

5.8

9.38

38.12

0.347

2.5

28.79

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

122

145

145

UNT-PRC001-EN 27

UNT-PRC001-EN.book Page 28 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Horizontal Cabinet and Vertical Cabinet

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F

ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F

ΔT.

All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge

EC motor. See

Table 6, p. 25 for performance groupings.

Table 11. 2-pipe performance—free discharge EC motor

SIZE

020

030

040

060

080

100

120

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

2HC

2HC

3HC

4HC

2HC

3HC

4HC

338

320

544

541

510

706

659

627

Airflow

(cfm)

222

217

204

280

277

256

349

912

933

893

996

976

921

Total

Capacity

(MBh)

5.61

6.35

7.72

6.41

7.53

9.10

8.08

10.91

12.33

13.94

15.48

18.23

15.21

19.62

21.75

24.50

29.25

34.66

25.64

29.90

35.13

COOLING

Sensible

Capacity

(MBh)

4.11

4.66

5.24

Flow Rate

(gpm)

1.1

1.3

1.6

4.79

5.62

6.26

6.41

1.3

1.5

1.8

1.7

7.67

8.21

10.42

11.54

12.51

12.31

13.92

14.70

18.09

20.73

22.70

19.06

21.23

23.04

2.2

2.5

2.8

3.1

3.7

3.1

4.0

4.4

5.0

5.9

7.0

5.2

6.1

7.1

WPD

(ft H20)

7.29

2.56

4.58

9.15

3.45

6.11

3.26

7.64

12.06

10.49

3.95

6.30

3.45

6.84

9.86

9.80

9.86

13.64

10.68

10.31

14.01

Total

Capacity

(MBh)

15.45

18.45

19.96

18.22

22.36

24.14

22.62

28.29

30.86

35.55

43.63

48.00

44.65

54.73

60.12

62.07

78.53

86.94

66.06

81.27

89.25

Q/ITD

0.140

0.168

0.181

0.166

0.203

0.219

0.206

0.257

0.281

0.323

0.397

0.437

0.406

0.498

0.547

0.564

0.714

0.790

0.601

0.739

0.811

HEATING

Flow Rate

(gpm)

1.0

1.2

1.3

1.2

1.5

1.6

1.5

1.9

2.1

2.4

2.9

3.2

3.0

3.7

4.0

4.1

5.2

5.8

4.4

5.4

5.9

WPD

(ft H20)

4.69

1.93

2.78

6.27

2.74

3.92

2.34

4.74

6.96

6.41

3.08

4.28

2.91

5.17

7.20

6.26

7.39

8.74

7.04

7.90

9.17

Motor

Power

(W)

37

37

37

58

58

79

79

39

39

39

58

79

122

122

122

145

145

145

160

160

160

Table 12. 4-pipe performance—free discharge EC motor

SIZE

020

030

040

060

080

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

Airflow

(cfm)

217

204

204

277

256

256

338

320

320

541

510

510

659

627

Total

Capacity

(MBh)

5.49

5.28

6.09

6.38

6.09

7.16

7.89

7.61

10.53

13.86

13.48

14.89

14.50

14.02

COOLING

Sensible

Capacity

(MBh)

4.00

3.83

4.45

4.76

4.52

5.31

6.24

5.99

7.38

10.35

9.99

11.06

11.69

11.29

Flow Rate

(gpm)

1.1

1.1

1.2

1.3

1.2

1.5

1.6

1.6

2.1

2.8

2.7

3.0

3.0

2.9

WPD

(ft H20)

7.02

6.58

2.37

9.08

8.40

3.16

3.13

2.94

7.19

10.39

9.90

3.68

3.16

2.98

Total

Capacity

(MBh)

8.70

14.50

8.35

10.20

17.13

9.70

13.22

21.26

12.76

21.08

34.00

20.34

26.60

41.17

HEATING

Q/ITD

0.079

0.132

0.076

0.093

0.156

0.088

0.120

0.193

0.116

0.192

0.309

0.185

0.242

0.374

Flow Rate

(gpm)

0.6

1.0

0.6

0.7

1.1

0.7

0.9

1.4

0.9

1.4

2.3

1.4

1.8

2.7

WPD

(ft H20)

0.88

4.20

0.78

1.11

5.62

1.01

2.06

2.09

1.94

6.08

6.91

5.70

11.04

2.50

Motor

Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

100

3C/1H

2C/1H

627

933

19.06

24.77

13.49

18.32

3.9

5.0

6.50

9.99

25.78

39.07

0.234

0.355

1.7

2.6

10.44

30.09

122

145

2C/2H

3C/1H

2C/1H

2C/2H

893

893

976

921

24.08

28.38

25.30

24.45

17.74

20.06

18.77

18.05

4.9

5.8

5.2

5.0

9.49

9.31

10.42

9.80

61.10

37.94

40.19

62.51

0.555

0.345

0.365

0.568

4.1

2.5

2.7

4.2

6.08

28.55

31.65

6.35

145

145

160

160 120

3C/1H 921 28.83

20.40

5.9

9.63

38.73

0.352

2.6

29.63

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

28 UNT-PRC001-EN

UNT-PRC001-EN.book Page 29 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Vertical Slope Top Cabinet

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F

ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F

ΔT.

All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge

EC motor. See

Table 6, p. 25 for performance groupings.

Table 13. 2-pipe performance—free discharge EC motor

SIZE

020

030

040

060

080

100

120

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

2HC

2HC

3HC

4HC

2HC

3HC

4HC

320

304

512

508

483

665

623

596

Airflow

(cfm)

206

200

190

262

260

242

330

856

873

839

940

923

876

Total

Capacity

(MBh)

5.38

6.04

7.36

6.20

7.26

8.80

7.82

10.58

11.98

13.57

14.90

17.63

14.70

19.06

21.16

23.65

28.13

33.51

24.88

29.00

34.22

COOLING

Sensible

Capacity

(MBh)

3.91

4.41

4.98

Flow Rate

(gpm)

1.1

1.2

1.5

4.61

5.40

6.03

6.17

1.2

1.5

1.8

1.6

7.41

7.95

10.06

11.07

12.07

11.87

13.49

14.28

17.37

19.87

21.88

18.41

20.53

22.38

2.2

2.4

2.8

3.0

3.6

3.0

3.9

4.3

4.8

5.7

6.8

5.1

5.9

6.9

WPD

(ft H20)

6.79

2.34

4.21

8.65

3.24

5.75

3.08

7.24

11.46

10.01

3.69

5.93

3.24

6.50

9.38

9.18

9.16

12.84

10.11

9.73

13.36

Total

Capacity

(MBh)

14.62

17.31

18.75

17.41

21.30

23.05

21.74

27.11

29.58

34.08

41.65

45.88

42.86

52.43

57.64

59.27

74.54

82.50

63.44

77.83

85.55

Q/ITD

0.133

0.157

0.170

0.158

0.194

0.210

0.198

0.246

0.269

0.310

0.379

0.417

0.390

0.477

0.524

0.539

0.678

0.750

0.577

0.708

0.778

HEATING

Flow Rate

(gpm)

1.0

1.2

1.3

1.2

1.4

1.5

1.5

1.8

2.0

2.3

2.8

3.1

2.9

3.5

3.8

4.0

5.0

5.5

4.2

5.2

5.7

WPD

(ft H20)

4.25

1.72

2.49

5.79

2.50

3.61

2.18

4.39

6.45

5.94

2.83

3.93

2.69

4.77

6.66

5.74

6.69

7.95

6.52

7.27

8.49

Motor

Power

(W)

37

37

37

58

58

79

79

39

39

39

58

79

122

122

122

145

145

145

160

160

160

Table 14. 4-pipe performance—free discharge EC motor

SIZE

020

030

040

060

080

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

Airflow

(cfm)

200

190

190

260

242

242

320

304

304

508

483

483

623

596

Total

Capacity

(MBh)

5.24

5.06

5.80

6.17

5.91

6.92

7.64

7.38

10.23

13.49

13.07

14.37

14.02

13.59

COOLING

Sensible

Capacity

(MBh)

Flow

Rate

(gpm)

3.80

3.65

4.22

4.58

4.36

5.12

6.02

5.79

7.14

9.99

9.64

10.65

11.29

10.92

1.1

1.0

1.2

1.3

1.2

1.4

1.6

1.5

2.1

2.7

2.7

2.9

2.9

2.7

WPD

(ft H20)

6.51

6.13

2.18

8.59

7.99

2.98

2.96

2.78

6.83

9.90

9.37

3.45

2.98

2.81

Total Capacity

(MBh)

8.24

13.71

7.93

9.81

16.46

9.36

12.77

20.50

12.35

20.29

32.70

19.64

25.67

39.70

HEATING

Q/ITD

0.075

0.125

0.072

0.089

0.150

0.085

0.116

0.186

0.112

0.184

0.297

0.179

0.233

0.361

Flow Rate

(gpm)

0.6

0.9

0.5

0.7

1.1

0.6

0.9

1.4

0.8

1.4

2.2

1.3

1.7

2.6

WPD

(ft H20)

0.76

3.80

0.71

1.03

5.24

0.95

1.94

1.96

1.83

5.68

5.50

5.36

10.36

2.33

100

3C/1H

2C/1H

2C/2H

3C/1H

596

873

839

839

18.55

23.87

23.25

27.33

13.09

17.56

17.04

19.26

3.8

4.9

4.7

5.6

6.18

9.34

8.90

8.68

24.94

37.39

58.37

36.38

0.227

0.340

0.531

0.331

1.7

2.5

3.9

2.4

9.85

27.83

5.57

26.50

122

145

145

145

120 2C/1H

2C/2H

923

876

24.57

23.78

18.15

17.48

5.0

4.9

9.88

9.31

38.78

60.25

0.353

0.548

2.6

4.0

26.69

5.92

160

160

3C/1H 876 28.00

19.77

5.7

9.11

37.46

0.341

2.5

27.91

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

58

58

58

79

79

79

122

122

Motor

Power

(W)

37

37

37

39

39

39

UNT-PRC001-EN 29

UNT-PRC001-EN.book Page 30 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Low Vertical Cabinet and Low Vertical Concealed

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F ΔT.

All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge

EC motor. See

Table 6, p. 25 for performance groupings.

Table 15. 2-pipe performance—free discharge EC motor

SIZE

030

040

060

COIL

2HC

2HC

3HC

2HC

2HC

3HC

2HC

2HC

3HC

Unit Type

Cabinet

Concealed

Concealed

Cabinet

Concealed

Concealed

Cabinet

Concealed

Concealed

Airflow

(cfm)

285

285

255

380

380

350

551

551

492

Total

Capacity

(MBh)

6.58

6.58

7.50

10.70

10.70

9.94

12.04

12.04

14.33

COOLING

Sensible

Capacity

(MBh)

Flow

Rate

(gpm)

5.24

5.24

1.31

1.31

5.29

7.70

7.70

7.35

1.49

2.13

2.13

1.98

9.87

9.87

10.10

2.40

2.40

2.86

WPD

(ft H20)

2.16

2.16

3.37

6.31

6.31

1.69

2.12

2.12

3.69

Total

Capacity

(MBh)

19.51

19.51

22.51

27.28

27.28

30.71

37.45

37.45

43.29

HEATING

Flow

Q/ITD

Rate

(gpm)

0.18

0.18

1.30

1.30

0.20

0.25

0.25

0.28

1.50

1.82

1.82

2.05

0.34

0.34

0.39

2.49

2.49

2.88

WPD

(ft H20)

1.79

1.79

3.13

3.95

3.95

1.59

2.08

2.08

3.33

Motor

Power

(W)

28

28

28

50

50

50

66

66

66

Table 16. 4-pipe performance—free discharge EC motor

SIZE

030

040

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

Unit Type

Cabinet

Concealed

Concealed

Cabinet

Concealed

Airflow

(cfm)

255

239

239

350

320

Total

Capacity

(MBh)

6.02

5.68

7.05

9.95

9.13

COOLING

Sensible

Capacity

(MBh)

4.76

4.48

4.96

7.10

6.46

Flow

Rate

(gpm)

1.20

1.13

1.41

1.98

1.82

WPD

(ft H20)

1.84

1.66

3.40

5.53

4.74

Total

Capacity

(MBh)

10.89

17.02

10.39

15.60

23.64

HEATING

Q/ITD

0.10

0.15

0.09

0.14

0.21

Flow

Rate

(gpm)

0.73

1.13

0.69

1.04

1.57

WPD

(ft H20)

1.47

1.39

1.35

3.58

3.04

Motor

Power

(W)

28

28

28

50

50

3C/1H

2C/1H

Concealed

Cabinet

320

492

8.87

10.99

6.59

8.99

1.77

2.19

1.37

1.79

14.52

21.80

0.13

0.20

0.97

1.45

3.15

7.76

50

66

060 2C/2H

3C/1H

Concealed

Concealed

449

449

9.89

13.33

8.19

9.37

1.97

2.66

1.47

3.23

31.87

20.31

0.29

0.18

2.12

1.35

1.54

6.85

66

66

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

30 UNT-PRC001-EN

UNT-PRC001-EN.book Page 31 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal Recessed and

Vertical Recessed

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F ΔT.

All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.

See

Table 6, p. 25

for performance groupings.

Table 17. 2-pipe performance—high static EC motor

SIZE

200

300

400

600

800

1000

1200

2HC

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

410

506

470

700

824

760

950

927

Airflow

(cfm)

314

319

295

380

358

330

870

1199

1360

1276

1330

1419

1330

Total

Capacity

(MBh)

6.92

8.40

10.27

7.63

9.00

11.05

9.09

14.30

16.38

16.22

20.72

24.46

18.83

25.08

27.85

29.39

38.20

45.19

30.90

39.09

46.31

COOLING

Sensible

Capacity

(MBh)

Flow

Rate

(gpm)

5.25

6.35

1.4

1.7

7.14

5.91

6.88

7.75

2.1

1.6

1.9

2.3

7.33

10.45

11.23

12.50

16.04

17.32

15.64

18.35

19.29

22.38

27.95

30.40

23.78

28.71

31.24

5.8

6.0

7.8

9.2

6.4

8.0

9.4

1.9

2.9

3.3

3.3

4.2

5.0

4.0

5.2

WPD

(ft H20)

10.83

4.32

7.75

12.84

4.89

8.83

4.16

12.60

20.25

14.16

6.91

10.99

5.40

11.17

16.00

13.98

16.58

22.30

15.50

17.49

23.50

Total

Capacity

(MBh)

19.68

24.71

27.07

22.14

26.79

29.53

25.18

37.81

41.90

41.80

58.43

65.21

53.86

69.93

77.84

74.76

103.27

115.47

79.76

106.28

119.18

Q/ITD

0.179

0.225

0.246

0.201

0.244

0.268

0.229

0.344

0.381

0.380

0.531

0.593

0.490

0.636

0.708

0.680

0.939

1.050

0.725

0.966

1.083

HEATING

Flow Rate

(gpm)

1.3

1.7

1.8

1.5

1.8

2.0

1.7

2.5

2.8

2.8

3.9

4.3

3.6

4.7

5.2

5.0

6.9

7.7

5.3

7.1

7.9

WPD

(ft H20)

7.18

3.28

4.83

8.85

3.80

5.65

2.85

8.05

12.12

8.63

5.36

7.59

4.16

8.20

11.67

8.90

12.55

14.73

10.07

13.27

15.62

110

110

110

162

162

162

298

298

Motor

Power

(W)

84

84

84

91

91

91

298

252

252

252

314

314

314

Table 18. 4-pipe performance—high static EC motor

SIZE

200

300

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

Airflow

(cfm)

319

295

295

358

330

330

Total Capacity

(MBh)

6.94

6.67

8.04

7.37

7.08

8.60

COOLING

Sensible

Capacity

(MBh)

5.27

Flow Rate

(gpm)

1.4

5.03

6.03

1.4

1.7

5.66

5.40

6.53

1.5

1.5

1.8

WPD

(ft H20)

10.89

10.18

4.00

12.10

11.32

4.52

Total

Capacity

(MBh)

11.04

18.88

10.57

11.76

20.30

11.26

HEATING

Q/ITD

0.100

0.172

0.096

0.107

0.185

0.102

Flow Rate

(gpm)

0.7

1.3

0.7

0.8

1.4

0.8

WPD

(ft H20)

1.27

6.68

1.18

1.42

7.59

1.32

Motor

Power

(W)

37

37

37

39

39

39

400

600

800

1000

1200

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

506

470

470

824

760

760

927

870

870

1360

1276

1276

1419

1330

10.23

9.83

13.76

17.64

16.95

19.80

18.53

17.89

24.27

31.27

30.28

36.88

31.90

30.90

8.42

8.04

9.99

13.85

13.19

15.21

15.35

14.74

17.66

24.13

23.20

26.84

24.73

23.78

2.1

2.0

2.8

3.6

3.5

4.1

3.9

3.8

5.0

6.4

6.2

7.5

6.6

6.4

5.10

4.77

11.77

16.39

15.28

6.36

5.25

4.93

10.53

15.64

14.75

15.53

16.42

15.49

16.64

27.44

16.02

26.58

43.91

25.49

32.36

51.06

31.26

48.74

77.72

47.07

49.85

79.78

0.151

0.249

0.146

0.242

0.399

0.232

0.294

0.464

0.284

0.443

0.707

0.428

0.453

0.725

1.1

1.8

1.1

1.8

2.9

1.7

2.2

3.4

2.1

3.3

5.2

3.1

3.3

5.3

3.09

3.34

2.89

9.16

9.45

8.51

15.63

3.76

14.70

44.63

9.58

41.94

46.47

10.07

3C/1H 1330 37.78

27.59

7.7

16.41

48.17

0.438

3.2

43.70

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

58

58

58

79

79

79

122

122

122

145

145

145

160

160

UNT-PRC001-EN 31

UNT-PRC001-EN.book Page 32 Tuesday, May 8, 2012 10:54 AM

Performance Data

Main Coil

Vertical Concealed

AHRI cooling performance is based on 80/67°F entering air temperature, 45°F entering chilled water temperature with a 10°F ΔT.

Heating performance is based on 70°F entering air temperature, 180°F entering hot water temperature with a 30°F ΔT.

All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.

See

Table 6, p. 25

for performance groupings.

Table 19. 2-pipe performance—high static EC motor

SIZE

020

030

040

060

080

100

120

2HC

3HC

4HC

2HC

3HC

4HC

2HC

3HC

4HC

2HC

COIL

2HC

3HC

4HC

2HC

3HC

4HC

3HC

4HC

2HC

3HC

4HC

Airflow

(cfm)

274

274

258

341

319

299

377

455

429

632

733

687

865

845

800

1089

1206

1145

1218

1291

1223

Total

Capacity

(MBh)

6.45

7.71

9.45

7.26

8.47

10.43

8.67

13.57

15.58

15.42

19.49

23.15

17.96

24.00

26.69

27.95

35.92

42.77

29.62

37.31

44.42

COOLING

Sensible

Capacity

(MBh)

Flow Rate

(gpm)

4.83

5.76

1.3

1.6

6.51

5.56

6.41

7.27

1.9

1.5

1.8

2.1

6.94

9.83

10.61

11.76

14.93

16.27

14.80

17.44

18.39

21.08

26.04

28.58

22.60

27.20

29.81

7.3

8.7

6.1

7.7

9.1

1.8

2.8

3.2

3.2

4.0

4.7

3.8

5.0

5.5

5.7

WPD

(ft H20)

9.63

3.72

6.71

11.80

4.40

8.0

3.83

11.49

18.55

12.96

6.18

9.95

4.96

10.33

14.85

12.76

14.78

20.20

14.36

16.04

21.81

Total

Capacity

(MBh)

17.95

22.13

24.31

20.70

24.76

27.36

23.84

35.17

39.04

39.23

54.10

60.53

50.88

65.58

73.06

70.18

95.02

106.34

75.51

99.64

111.87

Q/ITD

0.163

0.201

0.221

0.188

0.225

0.249

0.217

0.320

0.355

0.357

0.492

0.550

0.463

0.596

0.664

0.638

0.864

0.967

0.686

0.906

1.017

HEATING

Flow Rate

(gpm)

1.2

1.5

1.6

1.4

1.7

1.8

1.6

2.3

2.6

2.6

3.6

4.0

3.4

4.4

4.9

4.7

6.3

7.1

5.0

6.6

7.5

WPD

(ft H20)

6.11

2.68

3.97

7.86

3.29

4.92

2.58

7.05

10.66

7.68

4.63

6.60

3.73

7.26

10.36

7.90

10.68

12.65

9.07

11.71

13.89

110

110

110

162

162

162

298

298

298

252

Motor

Power

(W)

84

84

84

91

91

91

252

252

314

314

314

Table 20. 4-pipe performance—high static EC motor

SIZE

020

030

040

060

080

100

COIL

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

3C/1H

2C/1H

2C/2H

Airflow

(cfm)

217

204

204

277

256

256

338

320

320

541

510

510

659

627

627

933

893

Total

Capacity

(MBh)

5.49

5.28

6.09

6.38

6.09

7.16

7.89

7.61

10.53

13.86

13.48

14.89

14.50

14.02

19.06

24.77

24.08

COOLING

Sensible

Capacity

(MBh)

4.00

3.83

4.45

4.76

4.52

5.31

6.24

5.99

7.38

10.35

9.99

11.06

11.69

11.29

19.06

18.32

17.74

Flow Rate

(gpm)

1.11

1.1

1.2

1.2

1.2

1.5

1.6

1.6

2.1

2.8

2.7

3.0

3.0

2.9

3.9

5.0

4.9

WPD

(ft H20)

7.02

6.58

2.37

9.08

8.40

3.16

3.13

2.94

7.19

10.39

9.90

3.68

3.16

2.98

6.50

9.99

9.49

Total

Capacity

(MBh)

8.70

14.50

8.35

10.20

17.13

9.70

13.22

21.26

12.76

21.08

34.00

20.34

26.60

41.17

25.78

39.07

61.10

HEATING

Q/ITD

0.079

0.132

0.076

0.093

0.156

0.088

0.120

0.193

0.116

0.192

0.309

0.185

0.242

0.374

0.234

0.355

0.555

Flow Rate

(gpm)

0.6

1.0

0.6

0.7

1.1

0.7

0.9

1.4

0.9

1.4

2.3

1.4

1.8

2.7

1.7

2.6

4.1

WPD

(ft H20)

0.84

43.20

0.78

1.11

5.93

1.01

2.06

2.09

1.94

6.08

5.91

5.70

11.04

2.50

10.44

30.09

6.08

120

3C/1H

2C/1H

893

976

28.38

25.30

20.06

18.77

5.8

5.2

9.31

10.42

37.94

31.65

0.345

0.365

2.5

2.7

28.55

31.65

145

160

2C/2H 921 24.45

18.05

5.0

9.80

62.51

0.568

4.2

6.35

160

3C/1H 921 28.83

20.40

5.9

9.63

38.73

0.352

2.6

29.63

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

122

145

145

32 UNT-PRC001-EN

UNT-PRC001-EN.book Page 33 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Horizontal Concealed, Compact Concealed, Horizontal Recessed and Vertical Recessed

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC motor. See

Table 6, p. 25 for performance groupings.

Table 21. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor

SIZE

020

030

040

060

080

100

Main

Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

Airflow

(cfm)

246

242

222

313

309

276

381

365

340

609

604

557

790

724

676

1015

1052

Standard capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

3.96

3.89

0.032

0.031

0.5

0.5

0.07

0.07

3.73

4.45

4.42

4.18

5.95

5.69

5.46

9.51

9.34

8.83

12.02

11.22

10.92

17.34

17.22

0.030

0.036

0.035

0.033

0.048

0.046

0.044

0.076

0.075

0.071

0.096

0.090

0.087

0.139

0.138

0.5

0.6

0.6

0.6

0.8

0.8

0.7

1.3

1.2

1.2

1.6

1.5

1.5

2.3

2.3

0.06

0.09

0.09

0.08

0.17

0.16

0.15

0.51

0.49

0.44

0.92

0.81

0.78

2.41

2.38

High capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

8.67

8.55

0.069

0.068

1.2

1.1

0.28

0.27

8.27

9.49

9.43

9.04

12.81

12.37

11.98

20.34

20.05

19.19

25.94

24.60

24.08

38.00

37.80

0.066

0.076

0.075

0.072

0.102

0.099

0.096

0.163

0.160

0.154

0.208

0.197

0.193

0.304

0.302

1.1

1.3

1.3

1.2

1.7

1.7

1.6

2.7

2.7

2.6

3.5

3.3

3.2

5.1

5.0

0.26

0.33

0.33

0.30

0.66

0.62

0.59

1.93

1.88

1.74

3.58

3.26

3.14

9.73

9.64

120

4-row

2-row

1105

988

16.37

17.97

0.131

0.144

2.4

2.4

2.18

2.57

36.33

39.07

0.291

0.313

4.8

5.2

8.98

10.22

160

145

3-row

4-row

1074

993

17.33

16.36

0.139

0.131

2.3

2.2

2.41

2.18

37.99

36.33

0.304

0.291

5.1

4.8

9.72

8.97

160

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power (W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

122

145

145

Table 22. Steam coil performance—free discharge EC motor

2 PSIG 5 PSIG

SIZE

020

030

040

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow (cfm)

246

242

222

313

309

276

381

365

340

Total Capacity

(MBh)

7.65

7.53

7.22

8.57

8.50

8.06

11.07

10.61

10.19

Q/ITD

0.051

0.051

0.048

0.058

0.057

0.054

0.074

0.071

0.068

Heating LAT

(F)

86.73

87.14

88.21

84.02

84.21

85.45

84.74

85.77

88.76

Total Capacity

(MBh)

8.06

7.93

7.60

9.02

8.95

8.49

11.66

11.17

10.73

Q/ITD

0.051

0.051

0.048

0.057

0.057

0.054

0.074

0.071

0.068

Heating LAT

(F)

88.41

88.84

89.96

85.55

85.75

87.06

86.31

87.39

88.44

Motor

Power (W)

37

37

37

39

39

39

58

58

58

060

080

100

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

609

604

557

790

724

676

1015

1052

988

1105

17.09

16.79

15.92

21.28

19.93

19.42

30.15

29.97

28.56

31.19

0.115

0.113

0.107

0.143

0.134

0.130

0.202

0.201

0.192

0.209

83.66

84.07

85.34

84.43

86.00

86.64

85.69

85.84

87.04

84.86

18.00

17.68

16.76

22.41

20.99

20.45

31.77

31.57

30.09

32.86

0.115

0.113

0.107

0.143

0.134

0.130

0.202

0.201

0.192

0.209

85.18

85.61

86.95

85.99

87.64

88.32

87.33

87.49

88.75

86.46

79

79

79

122

122

122

145

145

145

160 120

3-row

4-row

1074

993

30.14

28.55

0.202

0.192

85.69

87.05

31.76

30.08

0.202

0.192

87.34

88.76

160

160

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN 33

UNT-PRC001-EN.book Page 34 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Vertical Concealed

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, 0.05 ESP, without filter. Free discharge EC motor. See

Table 6, p. 25 for performance groupings.

Table 23. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor

SIZE

020

030

040

060

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow

(cfm)

211

205

192

272

270

247

340

328

309

535

531

499

Standard capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

3.69

3.61

3.48

4.20

4.17

3.98

5.65

5.44

5.24

8.96

8.82

8.43

0.030

0.029

0.028

0.034

0.033

0.032

0.045

0.044

0.042

0.072

0.071

0.067

0.5

0.5

0.5

0.6

0.6

0.5

0.8

0.7

0.7

1.2

1.2

1.1

0.06

0.06

0.06

0.08

0.08

0.07

0.16

0.15

0.14

0.46

0.44

0.41

High capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow

Rate

(gpm)

WPD

(ft H20)

8.20

8.07

7.85

9.06

9.02

8.71

12.30

11.94

11.61

19.41

19.18

18.51

0.066

0.065

0.063

0.072

0.072

0.070

0.098

0.096

0.093

0.155

0.153

0.148

1.1

1.1

1.1

1.2

1.2

1.2

1.6

1.6

1.6

2.6

2.6

2.5

0.25

0.25

0.24

0.30

0.30

0.28

0.61

0.58

0.55

1.78

1.74

1.64

080

100

2-row

3-row

4-row

2-row

3-row

4-row

2-row

697

646

612

891

913

870

980

11.43

10.76

10.51

16.33

16.25

15.57

17.06

0.091

0.086

0.084

0.131

0.130

0.125

0.136

1.5

1.4

1.4

2.2

2.2

2.1

2.3

0.84

0.76

0.72

2.17

2.15

1.99

2.34

24.95

23.80

23.37

36.27

36.13

34.95

37.52

0.200

0.190

0.187

0.290

0.289

0.280

0.300

3.3

3.2

3.1

4.8

4.8

4.7

5.0

3.34

3.07

2.97

8.95

8.89

8.38

9.51

122

122

122

145

145

145

160 120

3-row

4-row

958

899

16.56

15.75

0.132

0.126

2.2

2.1

2.22

2.04

36.66

35.26

0.293

0.282

4.9

4.7

9.12

8.51

160

160

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

Table 24. Steam coil performance—free discharge EC motor

SIZE

020

030

040

060

080

100

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow (cfm)

211

205

192

272

270

247

340

328

309

535

531

499

697

646

612

891

913

870

Total

Capacity

(MBh)

7.15

7.00

6.77

8.09

8.04

7.70

10.53

10.15

9.80

16.14

15.91

15.22

20.28

19.15

18.72

28.50

28.37

24.24

2 PSIG

Q/ITD

0.048

0.047

0.045

0.054

0.054

0.052

0.071

0.068

0.066

0.108

0.107

0.102

0.136

0.129

0.126

0.191

0.190

0.183

Heating LAT

(F)

88.47

89.02

89.91

85.38

85.51

86.59

85.95

86.86

87.73

85.01

85.35

86.43

85.58

87.00

87.56

87.09

87.21

88.25

Total

Capacity

(MBh)

7.52

7.37

7.12

8.52

8.47

8.10

11.09

10.69

10.32

16.99

16.75

16.03

21.35

20.16

19.72

30.02

29.88

28.70

5 PSIG

Q/ITD

0.048

0.047

0.045

0.054

0.054

0.052

0.071

0.068

0.066

0.108

0.107

0.102

0.136

0.128

0.126

0.191

0.190

0.183

Heating LAT

(F)

90.24

90.82

91.75

86.98

87.12

88.26

87.59

88.54

89.46

86.60

86.96

88.10

87.20

88.69

89.29

88.81

88.93

90.03

120 2-row

3-row

4-row

980

958

899

29.69

28.87

27.54

0.199

0.194

0.185

86.07

86.77

87.97

31.28

30.41

29.01

0.199

0.194

0.185

87.73

88.46

89.73

160

160

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

122

145

145

145

34 UNT-PRC001-EN

UNT-PRC001-EN.book Page 35 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Horizontal Cabinet and Vertical Cabinet

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge

EC motor. See

Table 6, p. 25 for performance groupings.

Table 25. Standard Capacity and High Capacity hot water reheat coil—free discharge EC motor

SIZE

020

030

040

060

Main

Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow

(cfm)

222

217

204

280

277

256

349

338

320

544

541

510

Standard capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

3.77

3.70

3.58

4.25

4.22

4.05

5.72

5.51

5.32

9.03

8.90

8.51

0.030

0.030

0.029

0.034

0.034

0.032

0.046

0.044

0.043

0.072

0.071

0.068

0.5

0.5

0.5

0.6

0.6

0.5

0.8

0.7

0.7

1.2

1.2

1.1

0.07

0.06

0.06

0.08

0.08

0.07

0.16

0.15

0.14

0.46

0.45

0.42

High capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

8.35

8.23

8.03

9.14

9.11

8.81

12.42

12.06

11.74

19.53

19.30

18.65

0.067

0.066

0.064

0.073

0.073

0.070

0.099

0.096

0.094

0.156

0.154

0.149

1.1

1.1

1.1

1.2

1.2

1.2

1.7

1.6

1.6

2.6

2.6

2.5

0.26

0.26

0.25

0.31

0.31

0.29

0.63

0.59

0.57

1.80

1.76

1.66

080

100

2-row

3-row

4-row

2-row

3-row

4-row

2-row

706

659

627

912

933

893

996

11.49

10.84

10.61

16.51

16.41

15.74

17.19

0.092

0.087

0.085

0.132

0.131

0.126

0.138

1.5

1.4

1.4

2.2

2.2

2.1

2.3

0.85

0.77

0.74

2.21

2.19

2.03

2.37

25.05

23.95

23.55

36.58

36.39

35.23

37.74

0.200

0.192

0.188

0.293

0.291

0.282

0.302

3.3

3.2

3.1

4.9

4.8

4.7

5.0

3.37

3.11

3.01

9.09

9.01

8.50

9.61

122

122

122

145

145

145

160 120

3-row

4-row

976

921

16.69

15.90

0.134

0.127

2.2

2.1

2.25

2.07

36.88

35.52

0.295

0.284

4.9

4.7

9.22

8.63

160

160

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power

(W)

37

37

37

39

39

39

58

58

58

79

79

79

Table 26. Steam reheat coil—free discharge EC motor

SIZE

020

030

040

060

080

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

Airflow (cfm)

222

217

204

280

277

256

349

338

320

544

541

510

706

659

Total Capacity

(MBh)

7.31

7.18

6.96

8.18

8.14

7.81

10.66

10.28

9.94

16.26

16.03

15.36

20.38

19.29

2 PSIG

Q/ITD

0.049

0.048

0.047

0.055

0.055

0.052

0.072

0.069

0.067

0.109

0.108

0.103

0.137

0.129

Heating LAT (F)

87.89

88.35

89.17

85.10

85.23

86.23

85.65

86.54

87.37

84.83

85.17

86.20

85.46

86.81

Total Capacity

(MBh)

7.69

7.56

7.32

8.61

8.57

8.22

11.22

10.82

10.47

17.12

16.88

16.18

21.46

20.31

5 PSIG

Q/ITD

0.049

0.048

0.047

0.055

0.055

0.052

0.071

0.069

0.067

0.109

0.108

0.103

0.137

0.129

Heating

LAT (F)

89.63

90.12

90.98

86.69

86.83

87.88

87.28

88.21

89.08

86.41

86.77

87.85

87.08

88.50

Motor

Power (W)

37

37

37

39

39

39

58

58

58

79

79

79

122

122

100

4-row

2-row

3-row

4-row

2-row

627

912

933

893

996

18.90

28.80

28.62

27.52

29.90

0.127

0.193

0.192

0.185

0.201

87.33

86.83

86.98

87.99

85.89

19.90

30.34

30.15

28.99

31.50

0.127

0.193

0.192

0.185

0.201

89.04

88.53

88.69

89.75

87.54

122

145

145

145

160 120

3-row

4-row

976

921

29.09

27.79

0.195

0.187

86.58

87.73

30.64

29.28

0.195

0.186

88.27

89.48

160

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN 35

UNT-PRC001-EN.book Page 36 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Vertical Slope Top Cabinet

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2, 3, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, zero ESP, with throwaway filter. Free discharge

EC motor. See

Table 6, p. 25 for performance groupings.

Table 27. Standard Capacity and High capacity hot water reheat coil with high static motor—free discharge EC motor

SIZE

020

030

040

060

080

100

Main

Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

Airflow

(cfm)

206

200

190

262

260

242

330

320

304

512

508

483

665

623

596

856

873

Standard capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

3.64

3.57

0.029

0.029

0.5

0.5

0.06

0.06

3.46

4.12

4.10

3.94

5.57

5.38

5.21

8.76

8.65

8.31

11.20

10.61

10.39

16.02

15.93

0.028

0.033

0.033

0.032

0.045

0.043

0.042

0.070

0.069

0.066

0.090

0.085

0.083

0.128

0.127

0.5

0.6

0.6

0.5

0.7

0.7

0.7

1.2

1.2

1.1

1.5

1.4

1.4

2.1

2.1

0.06

0.08

0.08

0.07

0.15

0.14

0.14

0.44

0.43

0.40

0.81

0.74

0.71

2.10

2.08

High capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

8.13

8.00

0.065

0.064

1.1

1.1

0.25

0.24

7.82

8.94

8.90

8.64

12.16

11.84

11.55

19.08

18.88

18.30

24.55

23.54

23.17

35.73

35.57

0.063

0.072

0.071

0.069

0.097

0.095

0.092

0.153

0.151

0.146

0.196

0.188

0.185

0.286

0.285

1.0

1.2

1.2

1.2

1.6

1.6

1.5

2.5

2.5

2.4

3.3

3.1

3.1

4.8

4.7

0.23

0.30

0.29

0.28

0.60

0.57

0.55

1.73

1.69

1.60

3.25

3.01

2.93

8.71

8.65

120

4-row

2-row

839

940

15.33

16.74

0.123

0.134

2.0

2.2

1.94

2.27

34.54

36.97

0.276

0.296

4.6

4.9

8.20

9.26

145

160

3-row

4-row

923

876

16.30

15.58

0.130

0.125

2.2

2.1

2.16

2.00

36.21

34.98

0.290

0.280

4.8

4.7

8.92

8.38

160

160

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

58

58

58

79

79

79

122

122

122

145

145

Motor

Power

(W)

37

37

37

39

39

39

Table 28. Steam reheat coil with high static motor—free discharge EC motor

2 PSIG 5 PSIG

SIZE

020

030

040

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow (cfm)

206

200

190

262

260

242

330

320

304

Total Capacity

(MBh)

7.06

6.93

6.73

7.95

7.91

7.62

10.39

10.04

9.74

Q/ITD

0.047

0.047

0.045

0.053

0.053

0.051

0.070

0.067

0.065

Heating LAT (F)

88.78

89.28

90.04

85.79

85.90

86.84

86.29

87.12

87.90

Total Capacity

(MBh)

7.44

7.29

7.09

8.37

8.33

8.02

10.94

10.57

10.25

Q/ITD

0.047

0.046

0.045

0.053

0.053

0.051

0.070

0.067

0.065

Heating LAT

(F)

90.56

91.10

91.89

87.42

87.53

88.52

87.94

88.82

89.64

Motor

Power (W)

37

37

37

39

39

39

58

58

58

060

080

100

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

512

508

483

665

623

596

856

873

839

940

15.80

15.60

15.01

19.89

18.89

18.53

27.99

27.84

26.85

29.17

0.106

0.105

0.101

0.133

0.127

0.124

0.188

0.187

0.180

0.196

85.51

85.83

86.77

86.05

87.34

87.82

87.55

87.69

88.63

86.51

16.64

16.43

15.81

20.94

19.89

19.51

29.48

29.33

28.29

30.73

0.106

0.105

0.101

0.133

0.127

0.124

0.188

0.187

0.180

0.196

87.13

87.46

88.46

87.70

89.05

89.46

89.29

89.44

90.42

88.19

79

79

79

122

122

122

145

145

145

160 120

3-row

4-row

923

876

28.44

27.26

0.191

0.183

87.14

88.23

29.96

28.72

0.191

0.183

88.86

90.00

160

160

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

36 UNT-PRC001-EN

UNT-PRC001-EN.book Page 37 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Horizontal Concealed, Compact Concealed, Horizontal Cabinet, Horizontal Recessed, and

Vertical Recessed

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2-, 3-, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.

See

Table 6, p. 25

for performance groupings.

Table 29. High capacity hot water reheat coil with high static motor—high static EC motor

SIZE

020

030

040

060

080

100

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Main

Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

Airflow

(cfm)

314

319

295

380

358

330

410

506

470

700

824

760

950

927

870

1199

1360

1276

Standard capacity hot water reheat coil

Total

Capacity

(MBh)

4.62

4.63

4.44

5.10

4.91

4.71

6.35

6.93

6.64

10.50

11.31

10.70

13.79

13.32

12.93

19.54

20.42

19.44

Q/ITD

0.037

0.037

0.036

0.041

0.039

0.038

0.051

0.055

0.053

0.084

0.090

0.086

0.110

0.107

0.103

0.156

0.163

0.156

Flow Rate

(gpm)

0.6

0.6

0.6

0.7

0.7

0.6

0.9

0.9

0.9

1.4

1.5

1.4

1.8

1.8

1.7

2.6

2.7

2.6

WPD

(ft H20)

0.09

0.09

0.09

0.11

0.10

0.10

0.19

0.22

0.21

0.60

0.69

0.62

1.17

1.10

1.04

2.98

3.22

2.95

High capacity hot water reheat coil

Total

Capacity

(MBh)

9.76

9.77

9.47

10.52

10.23

9.90

13.47

14.41

13.95

21.95

23.22

22.27

28.87

28.10

27.46

41.72

43.15

41.55

Q/ITD

0.078

0.078

0.076

0.084

0.082

0.079

0.108

0.115

0.112

0.176

0.186

0.178

0.231

0.225

0.220

0.334

0.345

0.332

Flow Rate

(gpm)

1.3

1.3

1.3

1.4

1.4

1.3

1.8

1.9

1.9

2.9

3.1

3.0

3.8

3.7

3.7

5.6

5.7

5.5

WPD

(ft H20)

0.35

0.35

0.33

0.39

0.38

0.35

0.72

0.81

0.77

2.21

2.45

2.27

4.33

4.13

3.96

11.49

12.21

11.41

Motor

Power

(W)

84

84

84

91

91

91

110

110

120 2-row

3-row

4-row

1330

1419

1330

20.57

20.85

19.85

0.165

0.167

0.159

2.7

2.8

2.6

3.26

3.34

3.06

43.40

43.86

42.22

0.347

0.351

0.338

5.8

5.8

5.6

12.34

12.57

11.75

314

314

314

Note:

Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

110

162

162

162

298

298

298

252

252

252

Table 30. High capacity hot water reheat coil with high static motor—high static EC motor

SIZE

020

030

040

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

Airflow (cfm)

314

319

295

380

358

330

410

506

470

700

Total Capacity

(MBh)

8.88

8.89

8.55

9.78

9.42

9.04

11.79

2 PSIG

Q/ITD

0.060

0.060

0.057

0.066

0.063

0.061

0.079

0.086

0.083

0.126

Heating LAT (F)

83.20

83.17

84.07

81.08

81.88

82.78

83.28

81.40

82.30

81.52

Total Capacity

(MBh)

9.35

9.36

9.00

10.29

9.92

9.52

12.41

5 PSIG

Q/ITD

0.060

0.060

0.057

0.066

0.063

0.061

0.079

0.086

0.083

0.126

Heating LAT

(F)

84.69

84.66

85.61

82.46

83.29

84.25

84.78

Motor

Power (W)

84

84

84

91

91

91

110

060

080

100

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

824

760

950

927

870

1199

1360

1276

12.84

12.32

18.81

20.22

19.16

24.29

23.49

22.82

33.79

35.23

33.63

0.136

0.129

0.163

0.158

0.153

0.227

0.236

0.226

80.01

81.13

81.44

82.17

82.81

82.99

82.05

83.11

13.52

12.97

19.81

21.28

20.17

25.59

24.74

24.04

35.60

37.13

35.43

0.136

0.128

0.163

0.158

0.153

0.227

0.236

0.226

82.80

83.75

82.93

81.33

82.52

82.84

83.62

84.29

84.49

83.50

84.61

110

110

162

162

162

298

298

298

252

252

252

120 2-row

3-row

1330

1419

35.48

35.95

0.238

0.241

81.89

81.60

37.39

37.89

0.238

0.241

83.34

83.03

314

314

4-row 1330 34.30

0.230

82.65

36.13

0.230

84.14

314

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

UNT-PRC001-EN 37

UNT-PRC001-EN.book Page 38 Tuesday, May 8, 2012 10:54 AM

Performance Data

Reheat Coils

Vertical Concealed

The following performance data represents the 1-row hot water and steam reheat coils that are available on fan-coil units in conjunction with a 2-, 3-, or 4-row cooling coil.

Heating performance is based on 55°F entering air temperature, 180°F entering hot water temperature (hot water coil) or 2 psig and 5 psig entering steam pressure (steam coil) and a 15°F ΔT.

All performance measured on high speed tap, 115 V, 0.20 ESP, without filter. High static EC motor.

See

Table 6, p. 25

for performance groupings.

Table 31. High Static EC motor—high static EC motor

SIZE

020

030

040

060

Main

Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow

(cfm)

274

274

258

341

319

299

377

455

429

632

733

687

Standard capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

4.32

4.30

4.17

4.85

4.66

4.50

6.09

6.62

6.38

9.99

10.72

10.23

0.035

0.034

0.033

0.039

0.037

0.036

0.049

0.053

0.051

0.080

0.086

0.082

0.6

0.6

0.6

0.7

0.6

0.6

0.8

0.9

0.9

1.3

1.4

1.4

0.08

0.08

0.08

0.10

0.10

0.09

0.18

0.21

0.19

0.55

0.62

0.57

High capacity hot water reheat coil

Total

Capacity

(MBh) Q/ITD

Flow Rate

(gpm)

WPD

(ft H20)

9.26

9.24

9.01

10.12

9.83

9.56

13.04

13.90

13.52

21.12

22.29

21.51

0.074

0.074

0.072

0.081

0.079

0.076

0.104

0.111

0.108

0.169

0.178

0.172

1.2

1.2

1.2

1.4

1.3

1.3

1.7

1.9

1.8

2.8

3.0

2.9

0.32

0.31

0.30

0.37

0.35

0.33

0.68

0.76

0.73

2.07

2.28

2.14

080

100

2-row

3-row

4-row

2-row

3-row

4-row

2-row

865

845

800

1089

1206

1145

1218

13.22

12.82

12.48

18.64

19.36

18.58

19.73

0.106

0.103

0.100

0.149

0.155

0.149

0.158

1.8

1.7

1.7

2.5

2.6

2.5

2.6

1.09

1.03

0.98

2.74

2.93

2.73

3.03

27.95

27.28

26.73

40.20

41.42

40.11

42.03

0.224

0.218

0.214

0.322

0.331

0.321

0.336

3.7

3.6

3.6

5.4

5.5

5.3

5.6

4.09

3.92

3.78

10.76

11.35

10.72

11.65

298

298

298

252

252

252

314 120

3-row

4-row

1291

1223

20.02

19.18

0.160

0.153

2.7

2.6

3.11

2.88

42.50

41.10

0.340

0.329

5.7

5.5

11.88

11.19

314

314

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power

(W)

84

84

84

91

91

91

110

110

110

162

162

162

Table 32. Steam coil performance—high static EC motor

2 PSIG 5 PSIG

SIZE

020

030

040

060

080

Main Cooling

Coil

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

2-row

3-row

4-row

Airflow (cfm)

274

274

258

341

319

299

377

455

429

632

733

687

865

845

800

Total Capacity

(MBh)

8.32

8.29

8.03

9.30

8.96

8.65

11.32

12.27

11.84

17.92

19.18

18.34

23.32

22.64

22.07

Q/ITD

0.056

0.056

0.054

0.062

0.060

0.058

0.076

0.082

0.079

0.120

0.129

0.123

0.157

0.152

0.148

Heating LAT (F)

84.71

84.80

85.55

82.16

83.00

83.79

84.21

82.39

83.18

82.59

81.10

82.08

82.33

83.00

83.58

Total Capacity

(MBh)

8.76

8.72

8.45

9.79

9.43

9.11

11.92

12.92

12.47

18.87

20.20

19.31

24.56

23.84

23.24

Q/ITD

0.056

0.056

0.054

0.062

0.060

0.058

0.076

0.082

0.079

0.120

0.129

0.123

0.156

0.152

0.148

Heating LAT

(F)

86.28

86.37

87.17

83.60

84.48

85.31

85.76

83.84

84.67

84.05

82.49

83.52

83.78

84.49

85.10

100

120

2-row

3-row

4-row

2-row

1089

1206

1145

1218

32.29

33.49

32.21

34.10

0.217

0.225

0.216

0.229

84.04

83.19

84.10

82.78

34.02

35.29

33.93

35.93

0.217

0.225

0.216

0.229

85.60

84.71

85.66

84.28

252

252

252

314

3-row

4-row

1291

1223

34.57

33.18

0.232

0.223

82.47

83.41

36.43

34.96

0.232

0.223

83.95

84.93

314

314

Note: Q/ITD = MBh (kW)/(Entering water temperature - Entering air temperature) when ∆T and gpm (L/s) remain constant. To determine heating capacities at a different entering water temperature or entering air temp, compute the new ITD and multiply it by the Q/ITD shown.

Motor

Power (W)

84

84

84

91

91

91

110

110

110

162

162

162

298

298

298

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Controls

ECM Engine Controller

The Electronically Commutated Motor (ECM) engine controls and reports the performance of up to two Trane Brushless DC (BLDC) motors.

Figure 2.

ECM engine controller

• The engine also coordinates the operation of the fan in response to electric heat behavior and electric behavior in response to hydronic heat behavior.

• The engine incorporates a user interface that allows adjustment of certain unit parameters and provides constant feedback on motor operation.

• The engine integrates service and troubleshooting tools.

• The engine integrates a versatile configurable auxiliary temperature sensor.

• The engine incorporates various safety and lockout features, such as maintaining proper fan speeds if electric heat is called for.

Status Display

Figure 3.

Status display

The ECM engine board contains a four-digit, seven-segment display that is used to present information in a format close to real-world language, while having a small-form factor. Most characters are immediately recognizable; however, please consult

Table 33

and

Table 34 for the

graphical representation of each alphanumeric character.

Table 33. Screen representation of alphabetical characters

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

                         

Table 34. Screen representation of numeric characters

1

2

3

4

5

6

7

8

9

0

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Controls

Control Options

UniTrane fan-coils are available with four different control options:

• Manual three-speed fan switch

• Tracer ZN010

• Tracer ZN510

• Tracer ZN520

• Tracer UC400

Manual Fan Mode Switch

Model Number Digit 30 = A and Digit 31 = D or K

Figure 4.

Fan speed switch

40

Figure 5.

Adapter board

Note: Customer Low-Voltage Interface for

Fan Speeds, Variable Fan Speed, and

24 Vac Supply

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Controls

The adapter allows direct customer interfacing through the use of terminal strips. Standard interfacing includes:

• Fan Speeds (H, M, L) (for wall mounted fan speed switches)

• Variable speed (0–10V) inputs

The standard adapter board eliminates many separate wiring harnesses in the panel and allows simple, mistake-proofed single-plug interfacing of:

• The ECM engine controller

• Transformers

• Motors

• Valves

• Dampers

• Electric heat control

• Fan speed switches

• Main power (except electric heat)

The manual fan mode switch is available for fan-coil units that do not have Trane factory-mounted control packages. This four-position switch (off, high, medium, low) allows manual fan mode selection and is available unit or wall mounted. The unit-mounted option (Digit 31 = D) operates on line voltage. The wall-mounted option (Digit 31 = K) is low-voltage and has three 24-volt relays using a factory-wired transformer and relays to control the fan motor.

Customer Supplied Terminal Interface (CSTI)

Figure 6.

CSTI adapter board

Customer Low-Voltage Interface for

Valves, Electric Heat, Dampers, Fan

Speeds, Variable Fan Speed, and

24 Vac Supply

Valve(s), Electric Heat, and Changeover

Configuration Switches (Factory-Set)

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Controls

Figure 7.

CSTI adapter board field connections

3 2 1 13 12 11 10 9 8 7 6 5 4 3 2 1

1.

VSP 10V

2.

VSP 0–10V

3.

VSP DC COM

1.

24 Vac Y (hot)

2.

24 Vac Y (gnd)

3.

High

4.

Medium

5.

Low

6.

V1Op/Cooling

7.

V1C1 (not std)

8.

Not used

9.

Not used

10. V2Op/EH1St/Heating

11. V2C1/EH2St (not std)

12. Damper Open

13. Dmp Cl (not std)

The control interface is intended to be used with a field-supplied, low-voltage thermostat or controller. The control box contains a relay board which includes a line voltage to 24-volt transformer, quiet contactors (for electric heat units), and an optional disconnect switch. All end devices are wired to a low-voltage terminal block and are run-tested, so the only a power connection and thermostat connection is needed to commission the unit. Changeover sensors and controls are provided whenever a change-over coil is selected. When N.O. valves are selected, inverting relays are provided for use with standard thermostats.

The CSTI adapter board provides all the hookups of the standard adapter board, but in addition, provides hookups for valve control (main and auxiliary coils), electric heat control, and damper control. Screw terminal blocks provide convenient access to fan controls and to end device control.

In addition, a courtesy 10-Vdc supply is provided for use with an external potentiometer or rheostat.

The 10-Vdc supply supports up to 10 mA draw.

Tracer Controls

The Tracer family of controllers, ZN010, ZN510, ZN520, and UC400 offer the combined advantages of simple and dependable operation with the latest Trane-designed controller. Standard control features include options normally available on more elaborate control systems. All control options are available factory-configured or can be field-configured using Rover service software, the UC400 is services via Tracer TU. For more detailed information, refer to CNT-IOP-1 (for Tracer ZN010 or

ZN510) or CNT-SVX04A-EN (for Tracer ZN520), or the most recent version of the publication.

Tracer ZN010, Model Number Digit 30 = E

Figure 8.

Tracer ZN010 control board

42

Tracer ZN010 is a stand-alone microprocessor controller.

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Controls

Tracer ZN510, Model Number Digit 30 = F

Figure 9.

Tracer ZN510 control board

ZN510 can be used as either a stand-alone or communicating microprocessor controller.

Tracer ZN520, Model Number Digit 30 = G

The ZN520 controller can be used in a stand-alone application or as part of a Trane Integrated

Comfort™ System (ICS).

In the stand-alone configuration, ZN520 receives operation commands from the zone sensor and/ or the auto changeover sensor (on auto changeover units). The entering water temperature is read from the auto changeover sensor and determines if the unit is capable of cooling or heating. The zone sensor module is capable of transmitting the following information to the controller:

• Timed override on/cancel request

• Zone setpoint

• Current zone temperature

• Fan mode selection (off-auto-high-med-low)

For optimal system performance, fan-coil units can operate as part of an Integrated Comfort

System (ICS) building automation system controlled by Tracer Summit. The controller is linked directly to the Summit control panel via a twisted pair communication wire, requiring no additional interface device (i.e., a command unit). The Trane ICS system can monitor or override ZN520 control points. This includes such points as temperature and output positions.

Rover Service Software

This windows-based software package option allows field service personnel to easily monitor, save, download, and configure Tracer controllers through a communication link from a portable computer. When connected to the communication link, Rover can view any Tracer controller that is on the same communication link.

Tracer UC400, Model Number Digit 30 = J

Figure 10.

UNT-PRC001-EN

The UC400 single zone VAV controller can be used in a stand-alone application or as part of a Trane

Integrated Comfort™ System (ICS).

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Controls

Sequence of Operation

In the stand-alone configuration, UC400 receives operation commands from the zone sensor and/ or the auto changeover sensor (on auto changeover units). The entering water temperature is read from the auto changeover sensor and determines if the unit is capable of cooling or heating. The zone sensor module is capable of transmitting the following information to the controller:

• Timed override on/cancel request

• Zone setpoint

• Current zone temperature

• Fan mode selection (off-auto-high-med-low)

For optimal system performance, fan-coil units can operate as part of an Integrated Comfort

System (ICS) building automation system controlled by Tracer Summit. The controller is linked directly to the Summit control panel via a twisted pair communication wire, requiring no additional interface device (i.e., a command unit). The Trane ICS system can monitor or override UC400 control points. This includes such points as temperature and output positions.

Sequence of Operation

Fan Speed Switch

Off: Fan is turned off, two-position damper option spring-returns closed.

High, Medium, Low: Fan runs continuously at the selected speed. The two-position damper option opens to an adjustable mechanical stop-position.

Tracer ZN010 and ZN510

Off: Fan is off; control valves and fresh air damper option close. Low air temperature detection option is still active.

Auto (Fan Cycling): Fan and fresh air damper cycle with control valve option to maintain setpoint temperature. In cooling mode, the fan cycles from off to medium and in heating mode it cycles from off to low (factory default that can be field-adjusted using Rover service software). When no heating or cooling is required, the fan is off and the fresh air damper option closes. The fan can also be fieldconfigured (using Rover) to run at a defined speed when the fan speed switch is in the auto position.

Low, Medium, High (Continuous Fan): Fan operates continuously while control valve option cycles to maintain setpoint temperature. Fresh air damper option is open.

Tracer ZN520

Off: Fan is off; control valve options and fresh air damper options close. The low air temperature detection option is still active.

Auto: Fan speed control in the auto setting allows the modulating (three-wire floating point) control valve option and three-speed fan to work cooperatively to meet precise capacity requirements, while minimizing fan speed (motor/energy/acoustics/dehumidification) and valve position (pump energy/chilled water reset). As the capacity requirement increases at low fan speed, the water valve opens. When the low fan speed capacity switch point is reached, the fan switches to medium speed and the water valve repositions to maintain an equivalent capacity. The reverse sequence takes place with a decrease in required capacity.

Low, Medium, High: The fan will run continuously at the selected speed and the valve option will cycle to meet setpoint.

Tracer UC400

Occupied Mode

In Occupied Mode, the UC400 controller maintains the space temperature based on the occupied space temperature setpoint ± occupied offset. The controller uses the occupied mode as a default mode when other forms of occupancy request are not present and the fan runs continuously. The outdoor air damper, if present, will close when the fan is OFF. The temperature setpoints can be

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Controls

Sequence of Operation local (hard wired), communicated, or stored default values (configurable using the Tracer TU service tool).

Unoccupied Mode

In unoccupied mode, the UC400 controller attempts to maintain the space temperature based on the unoccupied heating or cooling setpoint. The fan will cycle between high speed and OFF. In addition, the outdoor air damper remains closed, unless economizing. The controller always uses the stored default setpoint values (configurable using the Tracer TU service tool), regardless of the presence of a hard wired or communicated setpoint value.

Timed Override Control

If the UC400 controller has a timed override option (ON/CANCEL buttons), pushing the ON button initiates a timed override on request. A timed override on request changes the occupancy mode from unoccupied mode to occupied bypass mode. In occupied bypass mode, the controller controls the space temperature based on the occupied heating or cooling setpoints. The occupied bypass time, which resides in the UC400 controller and defines the duration of the override, is configurable from 0 to 240 minutes (default value of 120 minutes). When the occupied bypass time expires, the unit transitions from occupied bypass mode to unoccupied mode. Pushing the

CANCEL button cancels the timed override request. In addition, it will end the timed override before the occupied bypass time has expired and transition the unit from occupied bypass mode to unoccupied mode.

If the controller is in any mode other than unoccupied mode when the ON button is pressed, the controller still starts the occupied bypass timer without changing to occupied bypass mode. If the controller is placed in unoccupied mode before the occupied bypass timer expires, the controller is placed into occupied bypass mode and remains in this mode until either the CANCEL button is pressed on the Trane zone sensor or the occupied bypass time expires.

Zone Temperature Control

The UC400 controller has three methods of zone temperature control:

Cascade zone control—used in the occupied, occupied bypass, and occupied standby modes. It maintains zone temperature by controlling the discharge air temperature to control the zone temperature. The controller uses the difference between the measured zone temperature and the active zone temperature setpoint to produce a discharge air temperature setpoint. The controller compares the discharge air temperature setpoint with the discharge air temperature and calculates a unit heating/cooling capacity accordingly (refer to the illustration below). The end devices (outdoor air damper, valves, and so on) operate in sequence based on the unit heating/cooling capacity (0–100 percent).

Active zone temperature setpoint

Difference

Calculated discharge air temperature setpoint

Difference

Calculated unit heating/cooling capacity

UNT-PRC001-EN

Measured zone temperature

Measured discharge air temperature

If the discharge air temperature falls below the discharge air temperature low limit setpoint,

(configurable using the Tracer TU service tool), and the cooling capacity is at a minimum, the available heating capacity is used to raise the discharge air temperature to the low limit.

• Simplified zone control — if discharge air temperature failure occurs, then simplified zone controls runs. In the unoccupied mode, the controller maintains the zone temperature by

45

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Controls

Sequence of Operation calculating the required heating or cooling capacity (0–100%) according to the measured zone temperature and the active zone temperature setpoint. The active zone temperature setpoint is determined by the current operating modes, which include occupancy and heat/cool modes.

• Discharge air temperature control — is the backup mode that runs only if there is not valid zone temperature. In this mode, the active space temperature setpoint is used as the discharge air temperature setpoint.

Important: This is not a normal operating mode. The source of the invalid zone temperature needs to be corrected to restore normal operation.

Table 35. Controller input/output summary

ZN010 ZN510

Binary Outputs

3-Speed Fan

2-Position Hydronic Valve

2-Position Fresh Air Damper

1-Stage Electric Heat

3-Wire Economizer Damper

3-Wire Hydronic Valve

2-Stage Electric Heat

Reheat (hydronic or electric)

Generic

Binary Inputs

Condensate Overflow Detection

Low Temperature Detection

Occupancy

Generic Input

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Analog Inputs

Zone Temperature

Setpoint

Fan Mode: Auto, High, Medium, Low

Entering Water

Discharge Air

Outside Air

Generic

X

X

X

X

X

X

X

X

X

X

Analog Outputs

Variable speed fan

Field supplied analog valves

Note: The generic input and output are for use with a Tracer Summit system only.

ZN520

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

**

X

X

X

X

X

X

**

X

X

UC400

X

X

X

X

X

**

X

X

X

X

Table 36. Controller function summary

ZN010 ZN510 ZN520 UC400

Control Functions

Entering Water Temp. Sampling (Purge)

Auto Changeover

Fan Cycling

Warm-Up

Pre-Cool

Data Sharing (Master/Slave)

Random Start

Dehumidification

Single Zone VAV

Staged Capacity (2-Stage Electric Supplementary)

Other Functions

Manual Test

Maintenance Timer

Setpoint Limits

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X in TU

X

X

** 'Generic' i/o - if there is unused i/o the user may create a new point to reference the i/o. But there is no dedicated 'generic' i/o like on ZN

Binary inputs -- there is also a defrost and fan status (for 1,2,3 speed fans) for UC400 and ZN520.

The ECM fan does not use the Binary input for fan status but gets the info over IMC from the ECM.

ZN520 also had a binary input for fan status. ZN520 also had defrost but it was wired directly to the compressor (IOP explains this).

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Controls

Zone Sensor Options

Zone Sensor Options

Zone sensors are available as either unit, wall, or split-mounted options for design flexibility. Fancoils with the unit-mounted zone sensor option include a thermistor in the unit’s return air path.

Wall-mounted zone sensor options have an internal thermistor. Zone sensors operate on 24 Vac.

Tracer ZN010 Options Tracer ZN510, ZN520, and UC400 Options

Figure 11. Unit-mounted zone sensor: Digit 30 = E and

Digit 31 = V

X13790843-01

Figure 12. Wall-mounted zone sensor: Digit 30 = F, G, or J and Digit 31 = 1

X13511530-01 (wall)

X13651467-02 (comm)

Figure 13. Wall-mounted zone sensor: Digit 30 = E and

Digit 31 = W

X13790841-01

Figure 14. Wall-mounted zone sensor: Digit 30 = F, G, or J and Digit 31 = 2

X13790842-01 (wall)

X13651467-02 (comm)

Figure 15. Split-mounted zone sensor, unit-mounted fan mode and wall-mounted setpoint dial:

Digit 30 = E and Digit 31 = X

X13511529-01 (wall)

X13790849-01 (unit)

Figure 16. Split-mounted zone sensor, unit-mounted fan mode and wall-mounted setpoint dial:

Digit 30 = F, G, or J and Digit 31 = Y

X13511527-01 (wall)

X13790849-01 (unit)

X13651467-02 (comm)

Figure 17. Unit-mounted zone sensor: Digit 30 = F, G, or J and Digit 31 = Z

X13790844-01

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Controls

Zone Sensor Options

Tracer ZN510, ZN520, and UC400 Options

(continued)

Figure 18. Wall-mounted digital zone sensor with setpoint adjustment: Digit 30 = F, G, or J and

Digit 31 = 4

X13790886-04 (wall)

Figure 19. Wireless zone sensor (setpoint adjustment, no fan speed adjustment): Digit 30 = F, G, or J and

Digit 31 = 6

X13790821-01 (wall)

X13790860-02 (unit)

Figure 20. Wireless zone sensor: Digit 30 = F, G, or J and

Digit 31 = 7

X13790822-04 (wall)

X13790860-02 (unit)

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Controls

Control Features

Control Features

The following control functions are standard features on units with Tracer ZN010, ZN510, ZN520, or UC400.

Entering Water Temperature Sampling Function

A system that uses a two-way control valve option might not sense the correct entering water temperature during long periods when the control valve is closed. If the demand for heating or cooling does not exist for a long period, the entering water will eventually approach ambient temperature.

Using the entering water temperature sampling function, the controller provides accurate two-pipe system changeover—without sacrificing the benefits of two-way control valves. Also, it eliminates inefficient bleed or bypass lines that can allow unnecessary waterflow through the system.

This function periodically samples the entering water temperature by opening the hydronic valve.

The valve opens for 20 seconds to allow the water temperature to stabilize. Then the controller reads the entering water temperature for up to three minutes to see if the correct water temperature is available for the selected operating mode.

The entering water temperature must be five degrees or more above the space temperature to allow hydronic heating and five degrees or more below the space temperature to allow hydronic cooling. If the correct water temperature for the operating mode is available, the unit begins normal heating or cooling operation. If the correct water temperature is not available, the controller closes the control valve and waits 60 minutes before attempting to sample the entering water temperature again.

A factory-mounted thermistor senses the entering water temperature on changeover cooling/heating coil units. If the fan-coil has a factory-mounted piping package, the sensor is strapped to the entering water pipe. If the fan-coil does not have a piping package, the sensor is coiled in the end pocket for mounting on customer-supplied piping. This sensor must detect accurate water temperature for proper changeover.

Automatic Heat/Cool Mode Determination

The controller automatically determines whether heating or cooling is needed—based on space and system conditions. Utilizing a proportional/integral (PI) control algorithm to maintain the space temperature at the active heating or cooling setpoint. The controller measures the space temperature and active setpoint temperature to determine the unit’s heating or cooling capacity

(zero to 100 percent).

Occupied/Unoccupied Operation

The occupancy input utilizes a binary switch (i.e. motion sensor, timeclock, etc.) that allows the zone sensor to utilize its unoccupied internal setpoints.

Random Start

This feature randomly staggers multiple unit start-up to reduce electrical demand spikes.

Warm-up

The two-position fresh air damper option closes during the occupied mode when the space temperature is three degrees or more below the heating setpoint temperature. The damper remains closed during warm-up until the space temperature is within two degrees of the heating setpoint temperature.

Cool-down

The two-position fresh air damper option closes during the occupied mode when the space temperature is three degrees or more above the cooling setpoint temperature. The damper remains closed during cool-down until the space temperature is within two degrees of the cooling setpoint temperature.

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Controls

Control Features

Manual Output Test Function

NA on UC400. But will have ability through TU. This feature is an invaluable tool for troubleshooting a unit. By simply pressing the controller’s test button, service personnel can manually exercise outputs in a pre-defined sequence.

Peer to Peer Communication (Tracer ZN510, ZN520, and UC400)

Peer to peer communication allows multiple units in one space to share the same zone sensor and provide simultaneous heating and cooling. The Tracer ZN510 or ZN520 controller can share information between units on the same communication link using a twisted pair wire in the field.

Unit configuration must be modified with Rover service tool. On the UC400, zone sensor data sharing can be accomplished by use of the BAS system controller.

Economizing Control (Tracer ZN520)

With the controller configured for economizing control, it will calculate the required cooling capacity every ten seconds and modulate the damper option open to the calculated position. If the setpoint is not satisfied, the damper will continue to open until the setpoint condition has been met or the damper is 100 percent open. If this still does not satisfy the setpoint, the cooling valve option will begin to open and try to satisfy the load requirements. Once capacity exceeds the load requirements, the valve will begin to close until the setpoint has been reached or the damper reaches its minimum position, which is field-adjustable. This option uses a three-wire, floating point damper actuator.

A thermistor to sense discharge air is factory mounted near the discharge surface of the last coil for use in economizing and cascade temperature control. Tracer Summit can also utilize this temperature value as a read-only point. Cascade temperature control uses both the zone and discharge air temperatures to more accurately calculate the required unit capacity.

A thermistor to sense fresh air is factory mounted at the unit’s fresh air opening for use in economizer applications or as a read-only point for Tracer Summit. If the fresh air temperature is a read-only value, it will not impact the control algorithm. In an economizer application, a fresh air temperature signal must be provided either by this thermistor or Tracer Summit.

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Tracer ZN520 and UC400 Additional Features

Tracer ZN520 and UC400 Additional Features

Automatic Fan Speed Adjustment

When configured in the AUTO mode, the fan operates at the lowest speed possible (high, medium, or low) to maintain space temperature. As the cooling load decreases, the controller switches the fan to operate at the next lower speed, and the control valve modulates the unit’s cooling capacity as required. This results in less fan energy use, improved dehumidification performance, and lower sound levels.

Automatic Ventilation Reset

To ensure proper ventilation rates, the controller is configured with two fresh air damper minimum position setpoints for occupied operation. As the fan speed changes to low or high, the damper adjusts to maintain the correct ventilation rate for the space. The damper position does not adjust when the fan speed changes to medium.

Fan Status

Tracer ZN520 and UC400 monitors the fan output status to determine if the fan is operating.

Filter Maintenance Status

The controller has an adjustable timer that indicates through Summit, Rover (ZN520) or TU (UC400) when filter maintenance is necessary. Filter maintenance status is based on cumulative fan run hours.

Dehumidification

When the fan-coil unit is equipped with a reheat coil and humidity sensor, the controller will independently control both space temperature and humidity. If the space humidity level rises above the upper limit, the capacity of the cooling coil is increased, overcooling the air to maintain the space humidity below the upper limit. Then, the capacity of the heating coil modulates, adding a small amount of heat to temper (reheat) the air and avoid overcooling the space.

Water Valve Override

The water valve override function drives all water valves in every unit fully open simultaneously.

This helps reduce the time required for waterside balancing.

Cascade Control

The controller maintains discharge air temperature using a cascade control algorithm. The discharge air temperature is based on the difference between the space temperature and setpoint.

Unit capacity modulates to achieve the discharge air temperature.

Interoperability

Tracer ZN520 can be used with a Tracer Summit system or on other control systems that support

LonTalk and the SCC profile. For more information on specific inputs and outputs, see the

Installation, Owner, and Maintenance Manual, UNT-IOM-6. UC400 can be used with a Tracer

Summit system or other control systems that support BACnet. For more information on specific inputs and outputs, see the Installation, Owner, and Maintenance Manual, UNT-SVX07D-EN.

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Controls

End Device Options

End Device Options

All end device options are factory-installed and -tested.

Figure 21. Control valve

Two-Position Control Valves, Model Number Digits 27 and 28 = A - H

Two-position valve options are available with either Tracer ZN010, ZN510, ZN520 or UC400. Valves are spring-return type, sweat connections, and available as normally open or closed. The valves respond to a 24 V signal and have 1/2-inch sweat connections. The two-way valve option will either fully open or close. The three-way valve option allows either full water flow through the coil or diverts waterflow through the bypass. If the control valve loses power, the valve returns to its deenergized position. All control valve options are factory installed in the leaving water piping downstream of the hydronic coil. The valve actuator is easily removable for service without removing the valve body from piping.

Modulating Control Valves (Tracer ZN520 and UC400), Model Number Digits 27 and 28 = J - R

These 1/2-inch sweat connect valves are three-wire floating point valves, equal percentage type.

Modulating valves are available in four Cv sizes: 0.7, 1.5, 2.5, and 4.0. The valve responds to a 24 V triac signal from the controller, which determines the valve position by a control algorithm. If the valve loses power, it remains in the position that it was in when the power loss occurred. All control valves are factory installed in the leaving water piping downstream of the hydronic coil.

Field-Supplied Valves, Model Number Digits 27 and 28 = X, Y, or 1

This option allows the controller to be factory-configured for the normal position of the fieldsupplied valve, as well as running a wiring harness from the control box to the piping side of the unit. When the field supplied valve option is chosen, the control box is provided with low voltage components and wired back to a terminal strip (CSTI) or controller.

Note: The Trane Company does not recommend wild coil applications.

52 UNT-PRC001-EN

UNT-PRC001-EN.book Page 53 Tuesday, May 8, 2012 10:54 AM

Figure 22. Wiring harness

Controls

End Device Options

UNT-PRC001-EN

Two-Position Fresh Air Damper Actuator, Model Number Digit 13 = D, E, or F

(Available with all control options except ZN520)

Figure 23. Two-position fresh air damper actuator

This damper actuator uses a 24 V signal and is factory-wired and mounted to the damper assembly.

It allows zero to 50 percent fresh air. The damper will drive open to an adjustable mechanical stopposition whenever the fan is running during occupied mode and will spring-return closed when the fan turns off.

Note: Trane recommends using the low temperature detection option with fresh air dampers to detect possible freeze conditions.

Economizer Fresh Air Damper Actuator (Tracer ZN520 and UC400), Model

Number

Digit 13 = G, H, or J

Figure 24. Economizer fresh air damper actuator

53

UNT-PRC001-EN.book Page 54 Tuesday, May 8, 2012 10:54 AM

Controls

End Device Options

This option is a three-wire floating point, spring-return damper actuator and is factory-wired and mounted to the damper assembly. When the controller enables the economizer and the unit is in occupied mode, the fresh air damper modulates between its minimum position (editable) and the full open position to maintain setpoint temperature. If economizer operation stops or if the unit is in the heating mode, the fresh air damper adjusts to its minimum position.

Note: Trane highly recommends using the low temperature detection option with a fresh air damper to detect possible freeze conditions.

Low Temperature Detection, Model Number Digit 36 = 2

Figure 25. Low temperature detection device

When the low temperature detection device senses an entering air temperature of 36°F to the hydronic coil, the normally-closed switch opens a corresponding set of binary input terminals. The fan disables, control valves open, and the fresh air damper closes.

Thirty minutes after the diagnostic, Tracer ZN010, ZN510, or ZN520 uses an automatic reset function to attempt to reset the unit. If the diagnostic occurs again within 24 hours after an automatic diagnostic reset, the unit will require a manual reset. This function attempts to resolve the infrequent nuisance alarm.

The low temperature detection device is an averaging type capillary tube and will reset when it detects an entering air temperature of at least 44°F.

Condensate Overflow Detection, Model Number Digit 35 = 2

Figure 26. Condensate overflow detection device

54

A float switch is factory-supplied for field installation in the auxiliary drain pan to detect a high condensate water level. When the float switch rises, the normally closed input opens a corresponding set of binary input terminals. This also causes the fan to disable, and the control valve and fresh air damper options to close. Although the float switch will close when the high condensate level recedes, the controller must be manually reset before normal unit operation can occur. If using a Tracer ZN510, ZN520 or UC400 controller you can reset using Tracer Summit. Use

Rover service software to reset units with Tracer ZN010, ZN510, or ZN520 and Tracer TU for units with a UC400.

UNT-PRC001-EN

UNT-PRC001-EN.book Page 55 Tuesday, May 8, 2012 10:54 AM

Electrical Data

UNT-PRC001-EN

Table 37. Electric heat (kW)

Unit Size

02

03

04

06

08

10

12

115

230

277

208

115

230

277

208

115

230

277

208

115

230

277

208

115

230

277

208

115

230

277

208

115

230

277

208

Unit Voltage kW kW kW kW kW kW kW kW kW kW kW

1.0

1.0

1.0

0.8

1.0

1.0

1.0

0.8

1.5

1.5

1.5

1.1

1.5

1.5

1.5

1.1

2.0

2.0

2.0

1.5

2.0

2.0

2.0

1.5

2.0

2.0

2.0

1.5

2.0

2.0

2.0

1.5

2.0

2.0

2.0

1.5

1.9

2.5

2.5

2.5

1.9

2.5

2.5

2.5

1.9

3.0

3.0

3.0

2.3

3.0

3.0

3.0

2.3

2.3

3.0

3.0

3.0

2.3

3.0

3.0

3.0

2.3

3.0

3.0

3.0

2.3

3.0

4.0

4.0

3.0

4.0

4.0

3.0

4.0

4.0

3.0

4.0

4.0

3.0

5.0

5.0

3.8

5.0

5.0

3.8

5.0

5.0

3.8

5.0

5.0

3.8

6.0

6.0

4.5

6.0

6.0

4.5

6.0

6.0

4.5

6.0

6.0

4.5

5.3

7.0

7.0

5.3

7.0

7.0

5.3

7.0

7.0

5.3

6.0

8.0

8.0

6.0

8.0

8.0

6.0

10.0

10.0

Table 38. Electric heat (kW), low vertical units

Unit Size Unit Voltage kW kW kW

03

04

115

115

1.0

1.0

1.5

1.5

2.0

2.0

06 115 1.0

1.5

2.0

Note:

Low vertical units are only available with electric heat in combination with the two-row cooling coil. kW

2.5

2.5

Minimum Circuit Ampacity (MCA) and Maximum Fuse Size (MFS) Calculations for Fan-Coils with Electric Heat (Single Phase)

Heater Amps = (Heater kW x 1000)/Heater Voltage

Note: Use 120 V heater voltage for 115 V units. Use 240 V heater voltage for 230 V units.

MCA = 1.25 x (heater amps + all motor FLAs)

MFS or HACR Type Circuit Breaker = (2.25 x Largest Motor FLA) + Second Motor FLA + Heater Amps

(If Applicable)

HACR (Heating, Air-Conditioning and Refrigeration) type circuit breakers are required in the branch circuit wiring for all fan-coils with electric heat.

See

Table 39, p. 56 through Table 41, p. 56 for motor FLAs.

Select a standard fuse size or HACR type circuit breaker equal to the MCA.

Use the next larger standard size if the MCA does not equal a standard size.

Standard Fuse Sizes are: 15, 20, 25, 30, 35, 40, 45, 50, 60 amps

Fan-coil electric heat MBh = (Heater kW) (3.413)

55

UNT-PRC001-EN.book Page 56 Tuesday, May 8, 2012 10:54 AM

Electrical Data

Table 39. Free discharge and High static electrically commutated motors (ECMs) programmed to standard ECM mode

Unit Size

2

6

8

3

4

10

12

1

3.1

3.1

3.1

3.1

3.1

3.1

3.1

FLA

115 Volt

2

3.1

3.1

1

0.22

0.22

0.22

0.22

0.22

0.22

0.22

HP

2

0.22

0.22

1.8

1.8

1.8

1.8

1.8

1.8

1

1.8

208–230 Volt

FLA HP

2 1

0.22

1.8

1.8

0.22

0.22

0.22

0.22

0.22

0.22

2

0.22

0.22

1

1.6

1.6

1.6

1.6

1.6

1.6

1.6

FLA

277 Volt

2 1

0.24)

HP

1.6

1.6

0.24

0.24

0.24

0.24

0.24

0.24

2

0.24

0.24

Table 40. Free discharge electrically commutated motors (ECMs) programmed to reduced FLA mode

Unit Size

6

8

10

12

2

3

4

1

0.6

0.6

0.8

1.1

1.6

0.7

0.7

FLA

115 Volt

2

1.2

1.3

1

0.22

0.22

0.22

0.22

0.22

0.22

0.22

HP

2

0.22

0.22

1

0.4

0.4

0.6

0.8

1.1

0.5

0.5

208–230 Volt

FLA HP

2 1

0.8

0.9

0.22

0.22

0.22

0.22

0.22

0.22

0.22

2

0.22

0.22

1

0.3

0.3

0.4

0.6

0.8

0.4

0.4

FLA

277 Volt

2

0.6

0.7

1

0.24

0.24

0.24

0.24

0.24

0.24

0.24

HP

2

0.24

0.24

Table 41. High static electrically commutated motors (ECMs) programmed to reduced FLA mode

Unit Size

8

10

12

4

6

2

3

1

1.3

1.3

1.7

2.3

3.1

1.4

1.5

FLA

115 Volt

2

2

2.8

1

0.22

0.22

0.22

0.22

0.22

0.22

0.22

HP

2

0.22

0.22

1

0.9

0.9

1.2

1.6

1.8

1

1.1

208–230 Volt

FLA HP

2 1

1.4

1.8

0.22

0.22

0.22

0.22

0.22

0.22

0.22

2

0.22

0.22

1

0.7

0.7

0.9

1.2

1.5

0.7

0.8

FLA

277 Volt

2

1.1

1.4

1

0.24

0.24

0.24

0.24

0.24

0.24

0.24

HP

2

0.24

0.24

Table 42. Low vertical free discharge electrically commutated motors (ECMs)

Unit Size

3

115 Volt

FLA

3.1

HP H

0.22 1090

4

6

3.1

3.1

0.22

0.22

1090

1115

Note:

Actual rpm will vary with application and configuration.

RPM

M

770

750

760

L

560

560

560

56 UNT-PRC001-EN

UNT-PRC001-EN.book Page 57 Tuesday, May 8, 2012 10:54 AM

Electrical Data

Table 43. Lowboy vertical free discharge electrically commutated motors (ECMs) programmed with reduced FLA mode

Unit Size FLA

115 Volt

HP H

3

4

0.5

0.8

0.22

0.22

1090

1090

6 1 0.22

1115

Note:

Actual rpm will vary with application and configuration.

RPM

M

770

750

760

L

560

560

560

Table 44. Unit RPM

Unit

Size

4

6

2

3

8

10

12

Free Discharge—Units with 2-Row Coils Free Discharge—Units with 3- and 4-Row Coils

H M L H M L

980

980

1050

1030

840

780

780

780

655

580

580

580

980

1080

1080

1080

840

800

800

800

655

600

600

600

1080

1050

1030

1050

1080

800

780

780

780

800

600

580

580

580

600

1080

1080

1080

1080

1080

800

800

800

800

800

600

600

600

600

600

Unit

Size

4

6

2

3

8

High Static—Units with 2-Row Coils

H

1480

1400

1475

1400

1475

M

1110

1175

1315

1070

1285

L

865

860

1070

855

975

10

12

1475

1400

1475

1475

1315

1070

1315

1285

1070

855

1070

975

Note:

Actual rpm will vary with application and configuration.

High Static—Units with 3- and 4-Row Coils

H M L

1480

1500

1580

1475

1475

1110

1355

1375

1285

1285

865

1110

1240

975

975

1580

1475

1580

1475

1375

1285

1375

1285

1240

975

1240

975

Minimum Circuit Ampacity (MCA) and Maximum Fuse Size (MFS) Calculations for Fan-Coils: (Motors only, No Electric Heat)

MCA = (1.25) x [Largest Motor Amperes (FLA)] + Second Motor Amperes (FLA) (Size 10 and 12 only)

MFS or HACR

1

Type Circuit Breaker = 15 Amps for all Fan-Coils without Electric Heat (see previous

Electrical Data for units with Electric Heat.)

UNT-PRC001-EN

1 HACR (Heating, Air-Conditioning and Refrigeration) type circuit breakers are required in the branch circuit wiring for all size 10 and

12 fan-coils.

57

UNT-PRC001-EN.book Page 58 Tuesday, May 8, 2012 10:54 AM

Dimensions and Weights

Unit Weights

Table 45. Operating weights, lb

Unit Size

02

08

10

12

03

04

06

Cabinet Models

97

97

125

155

164

218

218

Concealed Models

81

81

109

139

147

200

200

Recessed Models

78

78

88

128

139

253

253

Low Vertical Cabinet

Models

NA

Low Vertical

Concealed Models

NA

125 109

155 139

164 147

NA

NA

NA

NA

NA

NA

Table 46. Shipping weights, lb

Unit Size

02

03

04

06

08

10

12

Cabinet Models

84

84

112

139

148

200

200

Concealed Models

68

68

96

123

131

182

182

Recessed Models

68

68

78

118

129

243

243

Low Vertical Cabinet

Models

NA

112

139

148

NA

NA

NA

Low Vertical

Concealed Models

NA

96

123

131

NA

NA

NA

58 UNT-PRC001-EN

UNT-PRC001-EN.book Page 59 Tuesday, May 8, 2012 10:54 AM

Vertical Concealed, Model A

Dimensions and Weights

Vertical Concealed

UNT-PRC001-EN

Vertical Concealed Unit Dimensions

Unit Size 200-300 400 600 800 1000-1200

No. of Fans

No. of Motors

A

B

C

D

E

1

1

1

1

2

1

2

1

3

2

2’-8 11/16” 3’-1 11/16” 3’-11 3/16” 4’-7 11/16” 6’-2 11/16”

1’-9 5/16” 2’-2 5/16” 2’-11 13/16” 3’-8 5/16” 5’-3 5/16”

1’-10 13/16” 2’-3 13/16” 3’-1 5/16” 3’-9 13/16” 5’-4 13/16”

1’-5 5/16” 1’-10 5/16” 2’-7 13/16” 3’-4 5/16” 4’-11 5/16”

1’-7 5/16” 2’-0 5/16” 2’-9 13/16” 3’-6 5/16” 5’-1 5/16”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat. See p. 69

for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See

p. 71

for dimensions for outside air openings.

59

UNT-PRC001-EN.book Page 60 Tuesday, May 8, 2012 10:54 AM

Dimensions and Weights

Vertical Cabinet

Vertical Cabinet, Model B

60

Vertical Cabinet Unit Dimensions

Unit Size 200-300 400

No. of Fans

No. of Motors

A

B

C

D

E

F

600 800

1

1

2’-9 5/16”

1’-9 5/16”

1

1

2

1

2

1

3’-2 5/16” 3’-11 13/16” 4’-8 5/16”

2’-2 5/16” 2’-11 13/16” 3’-8 5/16”

7 5/8”

1’-16”

7 1/8”

2’-0”

8 7/8”

2’-6”

7 1/8”

3’-6”

1’-7 5/16” 2’-0 5/16” 2’-9 13/16” 3’-6 5/16”

3’-5 5/16” 3’-10 5/16” 4’-7 13/16” 5’-4 5/16”

1000-1200

3

2

6’-3 5/16”

5’-3 5/16”

7 5/8”

5’-0”

5’-1 5/16”

6’-11 5/16”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box and unit control.

2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.

3. See p. 71

for dimensions for outside air openings.

UNT-PRC001-EN

UNT-PRC001-EN.book Page 61 Tuesday, May 8, 2012 10:54 AM

Horizontal Concealed, Model C

Dimensions and Weights

Horizontal Concealed

UNT-PRC001-EN

Horizontal Concealed Unit Dimensions

Unit Size 200-300 400 600 800 1000-1200

No. of Fans

No. of Motors

A

B

C

1

1

1

1

2

1

2

1

3

2

2’-8 11/16” 3’-1 11/16” 3’-11 3/16” 4’-7 11/16” 6’-2 11/16”

1’-9 5/16” 2’-2 5/16” 2’-11 13/16” 3’-8 5/16” 5’-3 5/16”

1’-10 13/16” 2’-3 13/16” 3’-1 5/16” 3’-9 13/16” 5’-4 13/16”

D

E

F

1’-7 3/8”

1’-6 1/8”

1’-7 5/16”

2’-0 3/8”

1’-11 1/8”

2’-9 7/8”

2’-8 5/8”

3’-6 3/8”

3’-5 1/8”

2’-0 5/16” 2’-9 13/16” 3’-6 5/16”

5’-1 3/8”

5’-0 1/8”

5’-1 5/16”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See p. 70

for dimensions for outside air openings.

61

UNT-PRC001-EN.book Page 62 Tuesday, May 8, 2012 10:54 AM

Dimensions and Weights

Horizontal Cabinet

Horizontal Cabinet, Model D

62

Horizontal Cabinet Unit Dimensions

Unit Size 200-300 400 600

No. of Fans

No. of Motors

A

B

C

D

E

F

G

H

J

1

1

2’-9 5/16”

1’-9 5/16”

7 5/8”

1’-6”

1’-5 1/4”

3’-5 1/4”

8-5/8”

1’-4”

1’-7 3/4”

800

1 2 2

1 1 1

3’-2 5/16” 3’-11 3/16” 4’-8 5/16”

2’-2 5/16” 2’-11 13/16” 3’-8 5/16”

7 1/8” 8 7/8” 7 1/8”

2’-0”

1’-10 1/4”

2’-6”

2’-7 3/4”

3’-6”

3’-4 1/4”

3’-10 5/16” 4’-7 3/16”

8-1/8” 9-7/8”

1’-10”

1’-11 3/4”

2’-4”

2’-7 3/4”

5’-4 5/16”

8-1/8”

3’-4”

3’-3 3/4”

1000-1200

3

2

6’-3 5/16”

5’-3 5/16”

7 5/8”

5’-0”

3’-4 1/4”

6’-11 5/16”

8-5/8”

4’-10”

4’-11 3/4”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat. See

p. 69 for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See p. 70 for dimensions for outside air openings.

UNT-PRC001-EN

UNT-PRC001-EN.book Page 63 Tuesday, May 8, 2012 10:54 AM

Horizontal Recessed, Model E

Dimensions and Weights

Horizontal Recessed

UNT-PRC001-EN

Horizontal Recessed Unit Dimensions

Unit Size 200-300 400 600 800 1000-1200

No. of Fans

No. of Motors

A

1 1 2 2 3

1 1 1 1 2

2’-11 13/16” 3’-4 13/16” 4’-2 5/16” 4’-10 13/16” 6’-5 13/16”

F

G

H

B

C

D

E

1’-9 5/16” 2’-2 5/16” 2’-11 13/16” 3’-8 5/16” 5’-3 5/16”

1’-10 13/16” 2’-3 13/16” 3’-1 5/16” 3’-9 13/16” 5’-4 13/16”

1’-7 3/8”

1’-6 1/8”

1’-7 3/4”

2’-0 3/8”

1’-11 1/8”

1’-11 3/4”

2’-9 7/8”

2’-8 5/8”

2’-7 3/4”

3’-6 3/8”

3’-5 1/8”

2’-8 7/16” 3’-1 7/16” 3’-10 15/16” 4’-7 7/16”

2’-10 5/16” 3’-3 5/16” 4’-0 13/16” 4’-9 5/16”

3’-3 3/4”

5’-1 3/8”

5’-0 1/8”

6’-2 7/16”

6’-4 5/16”

4’-11 3/4”

Notes:

1. Coil connections are always on the drain pan side.

2. Coil connections are 5/8” O.D. sweat. See p. 69

for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See

p. 70

for dimensions for outside air openings.

63

UNT-PRC001-EN.book Page 64 Tuesday, May 8, 2012 10:54 AM

Dimensions and Weights

Vertical Recessed

Vertical Recessed, Model H

Vertical Recessed Unit Dimensions

Unit Size 200-300

No. of Fans 1

400

1

600

2

800

2

1000-1200

3

No. of Motors

A

B

C

D

1 1 1 1

2’-8 11/16” 3’-1 11/16” 3’-11 3/16” 4’-7 11/16”

2

6’-2 11/16”

1’-9 5/16” 2’-2 5/16” 2’-11 13/16” 3’-8 5/16” 5’-3 5/16”

1’-10 13/16” 2’-3 13/16” 3’-1 5/16” 3’-9 13/16” 5’-4 13/16”

1’-5 5/16” 1’-10 5/16” 2’-7 13/16” 3’-4 5/16” 4’-11 5/16”

G

H

E

F

J

3’-11”

2’-6”

2 3/8”

3’-6”

2’-2 1/2”

4’-3”

2’-6”

2 3/8”

4’-0”

2’-2 1/2”

5’-3”

2’-6”

2 3/8”

4’-9”

2’-2 1/2”

5’-5 1/2”

2’-9 1/2”

4 1/8”

5’-3”

2’-3 1/2”

7’-5 1/2”

2’-9 1/2”

4 1/8”

7’-3”

2’-3 1/2”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat. See p. 69

for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See

p. 71

for dimensions for outside air openings.

64 UNT-PRC001-EN

UNT-PRC001-EN.book Page 65 Tuesday, May 8, 2012 10:54 AM

Vertical Slope Top, Model J

Dimensions and Weights

Vertical Slope Top

UNT-PRC001-EN

Vertical Slope Top Unit Dimensions

Unit Size 200-300 400 600

No. of Fans

No. of Motors

A

B

C

D

E

F

800

1

1

2’-9 5/16”

1’-9 5/16”

7 5/8”

1’-6”

1

1

2

1

2

1

3’-2 5/16” 3’-11 13/16” 4’-8 5/16”

2’-2 5/16” 2’-11 13/16” 3’-8 5/16”

7 1/8”

2’-0”

8 7/8”

2’-6”

7 1/8”

3’-6”

1’-7 5/16” 2’-0 5/16” 2’-9 13/16” 3’-6 5/16”

3’-5 5/16” 3’-10 5/16” 4’-7 13/16” 5’-4 5/16”

1000-1200

3

2

6’-3 5/16”

5’-3 5/16”

7 5/8”

5’-0”

5’-1 5/16”

6’-11 5/16”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box and unit control.

2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.

3. See p. 71

for dimensions for outside air openings.

65

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Dimensions and Weights

Low Vertical Concealed

Low Vertical Concealed, Model K

66

Low Vertical Concealed Unit Dimensions

Unit Size 300 400 600

C

D

A

B

E

3’-4 5/8”

2’-2 1/4”

4’-2 1/8”

2’-11 3/4”

4’-10 7/8”

3’-8 1/4”

2’-3 15/16” 3’-0 13/16” 3’-9 15/16”

1’-10 5/16” 2’-7 13/16” 3’-4 5/16”

2’-0 1/4” 2’-9 3/4” 3’-6 1/4”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat.

CS Cooling Coil Supply

CR Cooling Coil Return

HS Heating Coil Supply

HR Heating Coil Return

3. All duct collar dimensions are to the outside of the collar.

4. See p. 72

for dimensions for outside air openings.

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Low Vertical Cabinet, Model L

Dimensions and Weights

Low Vertical Cabinet

UNT-PRC001-EN

Low Vertical Cabinet Unit Dimensions

Unit Size 300 400 600

C

D

E

A

B

3’-10 15/16” 4’-8 7/16” 5’-4 15/16”

2’-2 1/4” 2’-11 3/4” 3’-8 1/4”

11 7/16”

2’-0”

2’-0 1/4”

1’-1 5/16”

2’-6”

2’-9 3/4”

11 7/16”

3’-6”

3’-6 1/4”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box.

2. Coil connections are 5/8” O.D. sweat.

CS Cooling Coil Supply

CR Cooling Coil Return

HS Heating Coil Supply

HR Heating Coil Return

3. See p. 72

for dimensions for outside air openings.

67

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Dimensions and Weights

Compact Concealed

Compact Concealed, Model P

TOP VIEW 2-5/16” E

BACK INLET DUCT COLLAR

9/16” 9/16”

15-1/2”

7/8” KO

CONTROL

WIRING

CONTROL

BOX

3-1/4”

2”

FRONT VIEW

RH PIPING

6-15/16”

3/4”

6-5/8”

2-5/16”

4-9/16”

FRONT VIEW

LH PIPING

1-1/8”

COIL CONNECTIONS

AUXILIARY

DRAIN PAN

1-3/4” 1-3/4”

B

C

D

1-11/16”

(4) 5/8” DIA KEYSLOT

HANGER HOLES

1-11/16”

FRONT OUTLET

DUCT COLLAR

1-3/32” KO

7/8” KO

A

POWER

WIRING

BOTTOM

ONLY

2-5/16”

3-1/4”

(4) 5/8” DIA KEYSLOT

HANGER HOLES

SECONDARY DRAIN

CONNECTION FOR

3/8” ID TUBE

MAIN DRAIN (OPTIONAL)

CONNECTION FOR

7/8” OD COPPER

TUBE AND CLAMP

SIDE VIEW

INLET OPTIONS

1" DUCT COLLAR

5/8”

6-1/8”

14-1/8”

3/4”

6-3/8”

2-7/16”

5-5/16”

8-7/8”

FILTER DOOR USED

WITH BACK DUCT

COLLAR ONLY

27-3/16”

BACK DUCT COLLAR

5/8”

1” DUCT COLLAR

AIR

FLOW

BACK INLET

DUCT COLLAR

10-1/16”

4-7/8” X F

26-3/4”

BOTTOM INLET

OPEN

CONTROL

BOX

Compact Concealed Unit Dimensions

Unit Size 200-300 400 600

A

B

C

D

E

F

32-11/16”

21-5/16”

22-13/16”

19-3/8”

18-1/8”

19-5/16”

37-11/16”

26-5/16”

27-13/16”

24-3/8”

23-1/8”

24-5/16”

47-3/16”

35-13/16”

37-5/16”

33-7/8”

32-5/8”

33-13/16”

800

55-11/16”

44-5/16”

45-13/16”

42-3/8”

41-1/8”

42-5/16”

1000-1200

74-11/16”

63-5/16”

64-13/16”

61-3/8”

60-1/8”

61-5/16”

Notes:

1. Coil connections are always on the drain pan side and opposite the control box and unit control.

2. Coil connections are 5/8” O.D. sweat. See p. 69 for locations.

3. All duct collar dimensions are to the outside of the collar.

4. See p. 71

for dimensions for outside air openings.

68 UNT-PRC001-EN

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Dimensions and Weights

Coil Connections

Coil Connections, Vertical Units

8-3/16" RHR

5-5/16" CS

4-7/8" RHS

4-3/8" CR

2-5/16" HR

RMS = Reheat Supply

HR = Hot Water Return

HS = Hot Water Supply

CR = Chilled Return

CS = Chilled Water Supply

Note: Reheat coils are only available

on units with 2-pipe main coils.

23-1/4"

RHS

19-15/16"

RHR

18-11/16"

HS

20-1/2"

HR

20-13/16"

CR

21-13/16"

CS

Coil Connections, Horizontal Units

COMPACT CONCEALED

22-3/8" CS

21-3/8" CR

21-1/16" HR

19-5/16" HS

8-3/16"

RHR

5-5/16"

CS

4-7/8"

RHS

4-3/8" CR

2-5/16" HR

RMS = Reheat Supply

HR = Hot Water Return

HS = Hot Water Supply

CR = Chilled Return

CS = Chilled Water Supply

Note: Reheat coils are only available

on units with 2-pipe main coils.

20-9/16" RHR

23-7/8" RHS

UNT-PRC001-EN 69

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Dimensions and Weights

Fresh Air Opening

Fresh Air Opening Locations, Horizontal Units Models C, D, and E

1-5/8" 1-5/8"

2-15/16"

1-5/8" 1-5/8"

2-15/16"

Fresh Air Opening Dimensions, Horizontal Units

Unit Size 02–03 04 06 08

A

B

18”

21-5/16”

23”

26-5/16”

32-1/2”

35-13/16”

41”

44-5/16”

10–12

60”

63-5/16”

1-5/8"

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Fresh Air Opening Locations, Vertical Units Models A, B, and J

1-5/8" 1-5/8"

Dimensions and Weights

Fresh Air Opening

2-15/16"

1-5/8" 1-5/8"

2-15/16"

Fresh Air Opening Dimensions, Vertical Units

Unit Size 02–03 04 06

A

B

18”

21-5/16”

23”

26-5/16”

32-1/2”

35-13/16”

08

41”

44-5/16”

10–12

60”

63-5/16”

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Dimensions and Weights

Fresh Air Opening

Fresh Air Opening Locations, Low Vertical Units Models K and L

Fresh Air Opening Dimensions, Low

Vertical Units

Unit Size 03 04 06

A

B

24-1/4”

26-1/4”

33-3/4”

35-3/4”

42-1/4”

44-1/4”

9-3/16"

3-9/16"

9-3/16"

3-9/16"

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Dimensions and Weights

Wall Box

Wall Box

1/8”

CONTINUOUS

MORTAR RIBS

TOP AND

BOTTOM

1/8”

Wall Box Dimensions

Unit Size Dimensions A x B

02–03

04

06

08

10–12

24-3/8 x 4-3/4

24-3/8 x 7-1/2

33-1/8 x 7-1/2

37-1/2 x 7-1/2

58-1/4 x 7-1/2

Internal

Support

2

3

1

1

4

1/2”

3/4”

1/2”

1-3/8”

4”

CLEARANCE

FOR DRAINAGE

1/8”

WOVEN ALUMINUM

INSECT SCREEN

A

CONTINUOUS DRIP LIP

TOP AND BOTTOM

UNT-PRC001-EN

ADDITIONAL INTERNAL

SUPPORTS EQUALLY SPACED.

NOT TO EXCEED 12” O.C.

5/8”

B

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Dimensions and Weights

Projection Panel

Projection Panel

Projection Panel Dimensions

Unit Size

A

B

02–03

47”

30”

04

51”

30”

Projection Panel, All Unit Sizes

C

D

E

2”

1-1/8”

8-5/8”

2-1/2”

1-5/8”

8-1/8”

3”

2-1/8”

7-5/8”

06

63”

30”

3-1/2”

2-5/8”

7-1/8”

08

65-1/2”

33-1/2”

10–12

89-1/2”

33-1/2”

4”

3-1/8”

6-5/8”

4-1/2”

3-5/8”

6-1/8”

5”

4-1/8”

5-5/8”

5-1/2”

4-5/8”

5-1/8”

6”

5-1/8”

4-5/8”

UNIT TO WALL - TOP VIEW

74

FRONT VIEW ISO

REAR VIEW ISO

UNT-PRC001-EN

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Mechanical Specifications

UniTrane Fan-Coil Mechanical Specifications

Performance Data

Capacity: Unit capacities are certified under Industry Room Fan-Coil Air Conditioner Certification

Program in accordance with AHRI Standard 440-97.

Safety: All standard units are UL listed in the United States and Canada and comply with NFPA 90A requirements.

Construction

All Units

The unit includes a chassis, coil(s), fan wheel(s), fan casing(s), fan board and motor(s). Units also include a noncorrosive, ABS main drain pan, positively sloped in every plane and insulated with closed-cell insulation. Horizontal units and all units with standard piping packages also include a thermoplastic auxiliary drain pan. Steel parts exposed to moisture are galvanized. The fan board assembly and both drain pans are easily removable. The fan board assembly includes a quickdisconnect motor plug. The chassis construction is 18-gage galvanized steel, and continuous throughout the unit. The unit is acoustically and thermally insulated with closed-cell insulation. All panels are made rigid by channel forming.

Vertical Cabinet and Slope Top Units

Front panel fabrication is 16-gage galvanized steel. All other panels are 18-gage galvanized steel.

The discharge grille is recessed to resist condensate formation. Hinged access door construction is 20-gage steel and is flush with top panel.

Horizontal Cabinet Units

All panels are 18-gage galvanized steel, including the bottom panel. Discharge grille is recessed to resist condensate formation. The hinged access door is flush with front panel. Bottom panels ship with tamperproof screw fasteners and a safety chain.

Concealed/Recessed Units

Exposed panels on recessed units are 18-gage steel construction and ship separate from the unit.

Bottom panels on horizontal recessed models ship standard with tamperproof screw fasteners and a safety chain. Horizontal recessed units feature a telescoping panel to allow the panel to be adjusted to line up flush with the ceiling. The telescoping panel extends 1.25” to 2” depending on the configuration of airflow.

Low Vertical Unit

Front panels are of 16-gage galvanized steel. All cabinet parts are made rigid by channel forming.

End panel is removable for piping access. Hinged access door construction is 20-gage steel and flush with top panel.

Unit Finish

All cabinet parts and exposed recessed panels are cleaned, bonderized, phosphatized, and painted with a baked powder finish available in six decorator colors. Standard finish meets ASTM B117 specifications (salt spray test).

Fans

The galvanized metal fan wheels are centrifugal forward-curved and double-width. Fan wheels and housings are corrosion resistant. Fan housing construction is formed sheet metal. Low vertical units utilize an aluminum tangential wheel design.

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Mechanical Specifications

Options

Motors

All motors are brushless DC (BLDC)/electronically commutated motors (ECM) factoryprogrammed and run-tested in assembled units. The motor controller is mounted in a touch-safe control box with a built-in integrated user interface and LED tachometer. If adjustments are needed, motor parameters can be adjusted through momentary contact switches accessible without factory service personnel on the motor control board.

Motors will soft-ramp between speeds to lessen the acoustics due to sudden speed changes.

Motors can be operated at three speeds or with a field-supplied variable speed controller. The motor will choose the highest speed if there are simultaneous/conflicting speed requests.

All motors have integral thermal overload protection with a maximum ambient operating temperature of 104°F and are permanently lubricated. Motors are capable of starting at 50 percent of rated voltage and operating at 90 percent of rated voltage on all speed settings. Motors can operate up to 10 percent over voltage.

Controls

Controls options are: fan speed switch, control interface, and Tracer ZN010, ZN510, ZN520, and

UC400. A variety of inputs and outputs are available for the control interface and Tracer controller options. A disconnect switch (for non-electric heat units), fused transformer, contactor(s), and terminal strip are provided with the control interface and Tracer controller options. For specifics on

Tracer ZN010, ZN510, ZN520, and UC400, please refer to “Controls,” p. 39

.

Control Interface

The control interface is intended to be used with a field-supplied, low-voltage thermostat or controller. The control box contains a relay board which includes a line voltage to 24-volt transformer, quiet contactors (for electric heat units), and an optional disconnect switch. All end devices are wired to a low-voltage terminal block and are run-tested, so the only a power connection and thermostat connection is needed to commission the unit. Changeover sensors and controls are provided whenever a change-over coil is selected. When N.O. valves are selected, inverting relays are provided for use with standard thermostats.

Fan Speed Switch

The fan speed switch is available with or without the control interface option and is available as wall-mount or unit-mount. Both the wall-mount and unit-mount FSS will employ low-voltage fan switches. However, the low-voltage fan speed option will provide an interface to factory wiring, including variable speed/high-medium-low (HML) control. The control box contains a line voltage to 24-volt transformer, ECM motor controller, and an optional disconnect switch.

Coils

All water coils are proof-tested at 300 psig (air) and leak-tested at 100 psig (air under water).

Maximum main coil working pressure is 300 psig. Maximum entering water temperature is 200°F.

Tubes and u-bends are 3/8”OD copper. Fins are aluminum and are mechanically bonded to the copper tubes. Coil stubouts are 5/8” OD copper tubing.

Reheat Coils

Reheat coils are available for use with both hot water and steam. Hot water maximum working pressure is 300 psig, and the maximum entering water temperature is 200°F. The steam coil maximum working pressure is 15 psig. The reheat coils are constructed of single circuit 5/8” copper tubes with aluminum fins. Piping connections are expanded to accept standard copper tubing

5/8”OD.

Piping Packages

All piping packages are proof-tested at 300 psig (air) and leak tested at 100 psig (air under water).

The maximum working pressure of the interconnecting piping is 300 psig.

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UNT-PRC001-EN

Mechanical Specifications

Options

Piping packages are available in either basic or deluxe configurations. The deluxe package includes unions at the coil connections and a 20-mesh strainer on the supply side with a pressure rating on the strainer of up to 400 psig. The basic package does not include either unions or the strainer. A choice of end valves are available on both the basic and deluxe piping packages.

The piping package is designed so that any condensation is directed into the UniTrane auxiliary drain pan. Insulation of piping package is not required.

Ball Valve Supply and Return

A ball-type stop valve is available on both the supply and return of the piping package. The ball valve is a shutoff valve only with a maximum working pressure of 400 psig.

Ball Valve Supply, Manual Circuit Setter Return

A ball valve is provided on the supply with a manual circuit setter on the return. The manual circuit setter is a combination flow-setting device and shutoff valve that includes two Schrader ports. The maximum working pressure of the valve is 300 psig.

Ball Valve S & R, Auto Circuit Setter Return

Ball type end valves are mounted on the supply and return, with an additional auto circuit setter mounted on the return. The auto circuit setter is an automatic flow control valve that is sized to allow a specific flowrate through the coil. Auto circuit setters also include two P/T plugs and have a maximum working pressure of 400 psig.

Control Valves

Two-Way, Two-Position Control Valves

Two-way, two-position valves are rated for a maximum pressure differential across the valves of

30 psig. The valves are also available with a close-off pressure of 50 psig. The valve actuator is easily removable for service without removing the valve body from piping. Use some means, such as a pump and chiller bypass, to ensure the maximum closed off ΔP rating of the two-way valves is not exceeded.

Three-Way, Two-Position Control Valves

Normally open three-way, two-position valves are rated for a maximum 28 psig pressure differential across the valves. Normally closed three-way two-position valves are rated for a maximum pressure differential across the valves of 20 psig. A bypass line is piped on all three-way piping packages with a balance fitting to set flow through the bypass line. The balance fitting has a maximum working pressure of 150 psig. The valves are also available with a maximum close-off pressure of 50 psig. The valve actuator is easily removable for service without removing the valve body from piping.

Modulating Control Valves

Two-way and three-way modulating valves are rated for a maximum pressure differential across the valves of 50 psig (345 kPa). The modulating valves are available in Cv values of 0.7, 1.5, 2.5 and

4.0.

All two-position and modulating control valves have a maximum working pressure of 300 psig.

The maximum entering water temperature of the valve is 200°F.

Electric Heat Coil

The auxiliary electric heating coil is provided as either the total source of heat or auxiliary intermediate season heating. The electric heat coils are located in the preheat position, and are the open-wire type. The coils are a nickel chromium element design. The electric heat operates at the same voltage as the unit, and only a single power connection is necessary.

All units with factory-mounted electric heat are UL-listed and interlocked with the fan motor switch.

A call for electric heat operation will turn the fan on. Motors controls are synchronized with

77

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Mechanical Specifications

Options fan/valve operation to ensure safe operation and to ensure that two modes of heat are not operating simultaneously. A transformer is supplied on any voltage unit, eliminating the need for field installation of a step-down transformer. Unit-mounted quiet magnetic relays are supplied on all voltages. A high temperature cutout with automatic reset is provided as an integral part of the elements to de-energize the electric heat in the event of a malfunction.

Filters

Filters are concealed from sight and easily removable. Filters are located behind an integral access door on horizontal type units. Filters are either 1” throwaway or 1” MERV 8.

Units equipped with 1” MERV 8 filters have a rating based on ASHRAE Standard 52.2. The average dust spot efficiency is no less than 35 to 40 percent when tested in accordance with ASHRAE 52.1 atmospheric dust spot method.

Units equipped with 1” MERV 13 filters have a rating based on ASHRAE Standard 52.2. The average dust spot efficiency is no less than 90 percent efficiency on 1–3 micron particles and greater than 90 percent efficiency on 3–10 micron particles when tested in accordance with

ASHRAE Test Standard 52.2.

Fresh Air Damper

A fresh air opening with a damper is a factory-installed option. Dampers are constructed of 18-gage steel. Fresh air is sealed off with gasket material when the damper is set in the closed position.

Return and fresh air mixes when the damper is open.

Manual Damper

The manual damper is field-adjustable to allow a zero to 100 percent fresh air position.

Auto Two-Position Damper

The auto two-position damper is factory set at 25 percent when open. The damper can be set in the field to allow a zero to 50 percent fresh air position.

Economizer Damper

The economizer damper is accompanied by a factory-installed and wired modulating actuator. The damper is factory set at 25 percent default minimum and 100 percent maximum opening. The damper is field adjustable using Tracer Summit or Rover to allow a zero to 100 percent fresh air.

Disconnect Switch

A unit mounted disconnect switch is available as a standard option on all units.

Colors

Six decorator colors are available in a baked powder finish. For a color chart, contact your local

Trane office for a copy of UNT-SLB017-EN (Color Selector: Cabinet Heaters, Fan-Coils, Unit

Ventilators, & Water-Source Heat Pump Consoles).

Extended End Pockets

On vertical or horizontal cabinet units, an 8” extended end pocket is available on the piping end.

Tamperproof Locks

Key-operated locking access doors and/or panels will help prevent nuisance tampering with unit and/or controls. Tamper proof locks are available on vertical cabinet, horizontal cabinet, vertical recessed, vertical slope top, and low vertical units.

Leveling Feet

Refrigerator type screw-in bolts to level the unit are available on vertical and low vertical cabinet units.

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Mechanical Specifications

Options

Quad Grille Outlet

Figure 27. Quad grille outlet

Quad grilles are square multi-directional grilles that allow four different discharge directions by rotating the grilles 90°. The quad grille construction is a black plastic material (NORYL-SE 1-731) with a 15° angle on the discharge louvers. Quad grilles are recessed into the discharge panel to prevent condensation from forming on the grille exterior. Quad grilles are available on all cabinet style units.

Bar Grille Inlet/Outlet

Figure 28. Bar grille inlet and outlet

Bar grilles are formed steel grille options available on the discharge of all cabinet units, the return of vertical cabinet, vertical slope tops and low vertical cabinet units. The grilles have a black paint finish with 18-gage steel construction. The louvers are formed at a 15° angle, and the discharge grilles are recessed to prevent condensate formation on the surface of the grille. The bar grilles are fixed in one discharge direction.

Sub-bases

Figure 29. Sub-base (shown turned on its side)

UNT-PRC001-EN

Sub-bases elevate vertical cabinet or slope top cabinet units to a specified height; for example, to reach the bottom of a window sill. The sub-base also provides a cavity through which to run piping underneath the fan-coil unit. Sub-bases are 16-gage steel construction and have the same black paint finish as the unit’s base. The sub-base is available in heights between 2”–7” in 1/2” increments. The sub-base depth and width is identical to the unit’s dimensions.

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Mechanical Specifications

Options

False Backs

Figure 30. False back

False backs increase the depth of a vertical cabinet unit and provide a cavity through which to run piping behind the fan-coil unit. False backs are also an excellent application when installing a unit beneath a window sill that extends out past the front of the unit.

False backs are 18-gage steel construction and have the same paint finish as the unit. The false back is available in depths between 2”–8” in 1” increments, with height and width identical to the unit’s dimensions.

Recessing Flanges

Figure 31. Recessing flange

80

Recessing flanges have 18-gage steel construction and are painted the same finish as the unit.

Recessing flanges provide an aesthetic architectural border or frame around vertical and horizontal cabinet fan-coil units.

Aluminum Wall Boxes

Figure 32. Wall box

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Mechanical Specifications

Options

Wall boxes have a clear anodized finish and include a single core wire mesh insect screen. The frame is 10-gage extruded aluminum alloy 6063-T5 construction. Horizontal louvers have 16-gage extruded aluminum alloy 6063-T5 construction.

Wall boxes ship separate for field installation. A field supplied duct or sleeve from the wall box to the unit fresh air opening is required to provide fresh air. Wall boxes are sized to handle up to

100 percent of nominal air flow.

Projection Panels

Figure 33. Projection panel

Projection panels allow semi-recessing of vertical recessed units.

Panels are 16-gage steel construction, painted with a baked powder finish. They are available in projection depths ranging from 2”–6” in 1/2” increments. There is a distance of 7/8” between the projection panel and the front of the unit.

Piping Components

Ball Valve

Figure 34. Ball valve

UNT-PRC001-EN

Part

Lever

Seat

Material

Steel, zinc plated

Teflon

Spec ASTM

VTFE

Packing

Stem

G-Nut

Teflon

Rod Brass

Hex Brass

RTFE

B16

B16

Ball Brass, chrome plated B16

Retainer Brass

Body Cast Brass

B16

B584-C84400

Working Pressure

400 psi

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Mechanical Specifications

Options

Manual Circuit Setter

Figure 35. Manual circuit setter

Material

Body—Forged Brass Alloy

Trim—Forged Brass Alloy

All Wetted Parts Brass

Temperature

250°F MAX

Working Pressure

300 psi

Auto Circuit Setter

Figure 36. Auto circuit setter

Material

Body—Forged Brass

Flow Cartridge—Electroless Nickel and Stainless Steel

Temperature

250°F MAX

Working Pressure

400 psi

Pressure Drop

0.5–9.0 gpm = 2 psi ΔP

10.0–12.0 gpm = 5 psi ΔP

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Mechanical Specifications

Options

Control Valve

Figure 37. Control valve

Material

Body—Forged Brass

Drive Shaft Stem—Chrome-Plated Brass (Modulating) Brass (2-Position)

Seat—Stainless Steel (Modulating)

Ball Plug—Buna N Rubber(2-Position)

Plug—High Temperature Thermoplastic (Modulating)

O-Ring Seals—EPDM Rubber (2-Position)

Actuator—Stainless Steel Base Plate, Aluminum Cover

Temperature

200°F Max.

34°F Min.

Working Pressure

300 psi

Pressure Drop (Close-Off ΔP) 1

2-Way, Two-Position, N.O. = 30 psig

2-Way, Two-Position, N.C. = 30 psig

3-Way, Two-Position, N.O. = 28 psig

3-Way, Two-Position, N.C. = 20 psig

2-Way Modulating = 50 psig

3-Way Modulating = 50 psig

Balance Fitting

Figure 38. Balance fitting

UNT-PRC001-EN

Material

Packing Washer—11 Ga. Brass

O-Ring—EPDM Rubber

Stem—Rod Brass

1 All valves are available with optional 50 psig (345 kPa).

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Mechanical Specifications

Options

Gland Screw—Hex Brass

Valve Body—Cast Brass

Union

Material

Nut—Forged Brass

Body—Copper

Tail—Copper

Strainer

Figure 39. Strainer

Material

Body—Cast Bronze (85-5-5-5)

Cover—Cast Bronze (85-5-5-5)

Screen—Stainless Steel (20 Mesh)

Gasket—Teflon

Pressure and Temperature

400 psi at 150°F

84 UNT-PRC001-EN

UNT-PRC001-EN.book Page 85 Tuesday, May 8, 2012 10:54 AM

Trane optimizes the performance of homes and buildings around the world. A business of Ingersoll Rand, the leader in creating and sustaining safe, comfortable and energy efficient environments, Trane offers a broad portfolio of advanced controls and HVAC systems, comprehensive building services, and parts.

For more information, visit www.Trane.com.

Trane has a policy of continuous product and product data improvement and reserves the right to change design and specifications without notice.

© 2012 Trane All rights reserved

UNT-PRC001-EN 08 May 2012

Supersedes UNT-PRC001-EN (05 Dec 2011)

We are committed to using environmentally conscious print practices that reduce waste.

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