Product Data

Copyright 2001 Carrier Corporation

Product

Data

50TFQ008-012

Single-Package Rooftop Units

Electric Cooling with Electric Heat Option

50 Hz, CE Units

Nominal Capacities: 26.4 to 35.2 kW

(7

1

/

2 to 10 Tons)

Single-package standard efficiency rooftop heat pumps with:

• European Community (CE) design

• State-of-the-art defrost system

• Dependable 4-way valve operation

• Refrigerant filter strainer and accumulator

• Field-installed electric heaters available

• Advanced hermetic compressors mounted on vibration isolators

• Factory-installed, non-fused disconnect switch available

Features/Benefits

The 50TFQ standard efficiency rooftop product line combines advanced technology with serviceability, performance, and flexibility.

State-of-the-art defrost system

uses time and temperature to keep the outdoor coil frost-free for economical, dependable operation.

Dependable 4-way valve opera-

tion safely and efficiently accomplishes cycle reversals, defrost, and normal operation.

Refrigerant filter strainer and

accumulator ensure performance dependability and circuit protection.

Field-installed electric heaters

available in a wide range of capacities. Single-point wiring kit makes installation simple.

NOTE: Some electric heater applications not available for use with factory-installed disconnect switch.

Form 50TFQ-C2PD

2

Easy conversion from vertical to

horizontal discharge to make retrofit and add-on jobs easier. To convert from vertical to horizontal discharge, simply interchange 2 panels. The same basic unit can be used for a variety of applications and can be quickly modified at the jobsite. All units are factory shipped in the vertical discharge configuration for fit-up to standard roof curbs. The contractor can order and install the roof curbs early in the construction stage, before decisions on exact size requirements have been made.

Prepainted galvanized steel cabi-

net with baked enamel finish is capable of withstanding U.S.A. Test

Method Standard No. 141 (Method

6061) 500-hour salt spray test. Paint finish is non-chalking type. All internal cabinet panels are primed, allowing the entire unit to have a longer life and a more attractive appearance.

Single continuous top panel eliminates any possibility of leaking at the seams or gaskets, which tend to deteriorate over time and shift during rigging procedures.

Heavy gage roll-formed base rails

with forklift and rigging holes are integral to the unit and provide easier maneuvering and installation. Forklift slots are on 3 sides of the unit. Stretchwrap packaging protects the unit during shipment and storage.

Exclusive tool-less removal for

the filter access panel allows the replacement of filters without the need for any tools.

Fifty-one mm (2-in.) return-air fil-

ters are the standard throwaway type, easily accessed and replaced through the filter access panel located directly above the air intake hood.

Thru-the-bottom electrical con-

nection capability allows power and control wiring to be routed through the unit basepan, thereby minimizing roof penetrations.

Color-coded electrical wiring permits easy tracing and diagnostics.

Advanced hermetic compressors

mounted on vibration isolators for additional sound integrity and structural support.

Enhanced copper tube, alumi-

num plate fin coils are thoroughly leak and pressure tested at the factory.

Outdoor coils have louvered, aluminum lanced fins to provide maximum heat transfer for optimum efficiency and easy cleaning.

Acutrol™ refrigerant metering

system precisely controls refrigerant flow, preventing slugging and floodback, while maintaining optimum unit performance.

Corrosion-resistant sloped con-

densate pan reduces possibility of biological growth and is in conformance of ASHRAE (American Society of Heating, Refrigeration, and Air

Conditioning Engineers) Standard 62 to meet many Indoor-Air Quality (IAQ) specifications. The condensate drain pan offers both bottom and end drain capability to minimize roof penetrations. The bottom drain can be used in conjunction with the thru-the-bottom connections. An external trap must be field supplied.

Commercial duty motors with permanently lubricated bearings

provide additional dependability.

Factory run test printout included

with each unit, providing certification of the unit’s status at the time of manufacture. Printout includes test pressures, amperages, dates, and inspectors. Every unit is thoroughly run tested at the factory in each operating mode and evacuated prior to final charging. Every coil is then leak-tested with helium. Automated run testing allows accurate, undisputed tests and measurements which are second to none in the industry.

Ease of serviceability on all refrigerant access ports allow for quick and accurate measurements to take place.

Single-side utility connections provide easy access to perform necessary service. Indoor motors are accessible through a single access door to facilitate servicing and adjustments after installation. Compressors are easily accessible for troubleshooting and system analysis.

Factory-installed Apollo communicating control (available as an

option), designed exclusively by

Carrier, actively monitors all modes of operation as well as indoor fan status, filter status, indoor-air quality, supplyair temperature, and outdoor-air temperature. The Apollo control board is installed in the rooftop unit control box and comes equipped with built-in diagnostic capabilities. Light-emitting diodes (LEDs) simplify troubleshooting by indicating thermostat commands for both stages of heating and cooling, indoor (evaporator) fan operation, and economizer operation. The Apollo communicating control is designed to work specifically with Carrier TEMP and VVT® thermostats.

Euro-style control box is designed in accordance with IEC (International

Electro-technical Commission) standards.

• fully shrouded terminal blocks for field power connection

• no sharp edges on wire paths

• earth bonding

• transformer which meets IEC742

Table of contents

Page

Features/Benefits. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,2

Model Number Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Ratings Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Physical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4,5

Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-8

Base Unit Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Accessory Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Selection Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11,12

Performance Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13-29

Electrical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Typical Piping and Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32,33

Typical Wiring Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .34,35

Application Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Guide Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37-39

Model number nomenclature

50 TFQ 012 Z E — 9 0 3 AA

50 — Electric Cooling

TFQ — Heat Pump

Nominal Capacity

008 — 26.4 kW (7 1/2 Tons)

009 — 29.9 kW (8 1/2 Tons)

012 — 35.2 kW (10 Tons)

Factory-Installed Communicating Control

-

No Control

Z — Apollo Communicating Control

Al

Cu

LEGEND

Aluminum

Copper

*Refer to 50TFQ Product Ordering Data or contact your local Carrier representative for 50TFQ Factory-Installed Option code table.

Factory-Installed Option Code*

Packaging

3 — Export

Design Series

0 — Original

V-Ph-Hz

9 — 400-3-50

Coil Fin Options

-

Copper Tube/Aluminum Fin (Both Outdoor and Indoor Coils)

B — Copper Tube/Copper Fin (Both Outdoor and Indoor Coils)

C — Copper Tube/Copper Fin (Outdoor Coil Only)

D — Copper Tube/Pre-Coated Aluminum Fin (Outdoor Coil Only)

V — Copper Tube/Technicoat Dipped Aluminum Fin

(Outdoor Coil Only)

E — European Community (CE) Approved

Quality Assurance

IS

O

90

®

01:2000 #A

23

2

5

Ratings summary

UNIT

50TFQ

NOMINAL kW

NOMINAL

TONS

AIRFLOW QUANTITIES

L/s

(Nominal)

Cfm kW

Cooling

MBtuh

008

009

012

26.4

29.9

35.2

LEGEND

db

dry bulb

MBtuh — Btuh x 1000

wb

wet bulb

7.5

8.5

10

1200

1415

1600

2600

3000

3400

21.3

23.4

26.9

73.0

80.0

92.0

NOTE: Ratings are net values adjusted for the effects of indoor-fan motor heat. Ratings are based on:

Cooling Standard: 27 C (80 F) db, 19 C (67 F) wb indoor entering-air temperature and 35 C

(95 F) db outdoor entering-air temperature.

High-Temp Heating Standard: 21 C (70 F) db indoor entering-air temperature and 8 C (47 F) db, 6 C (43 F) wb outdoor entering-air temperature.

Low-Temp Heating Standard: 21 C (70 F) db indoor entering-air temperature and –8 C (17 F) db, –9 C (15 F) wb outdoor entering-air temperature.

NET CAPACITIES kW

19.3

21.6

24.3

Heating

High

MBtuh kW

66.0

74.0

83.0

8.7

10.8

12.8

Low

MBtuh

30.0

37.0

44.0

3

4

Physical data (SI)

UNIT SIZE 50TFQ

NOMINAL CAPACITY (kW)

OPERATING WEIGHT (kg)

Unit

Al/Al*

Durablade Economizer

Roof Curb†

COMPRESSOR

Quantity

Oil (ml)

REFRIGERANT TYPE

Operating Charge (kg)

Circuit 1

Circuit 2

OUTDOOR COIL

Rows...Fins/m

Total Face Area (sq m)

OUTDOOR FAN

Nominal L/s

Quantity...Diameter (mm)

Motor BkW...r/s

Watts Input (Total)

INDOOR COIL

Rows...Fins/m

Total Face Area (sq m)

INDOOR FAN

Quantity...Size (mm x mm)

Type Drive

Nominal L/s

Motor kW

Maximum Continuous BkW

Motor Frame Size

Fan r/s Range

Motor Bearing Type

Maximum Allowable r/s

Motor Pulley Pitch Diameter Min/Max (mm)

Nominal Motor Shaft Diameter (mm)

Fan Pulley Pitch Diameter (mm)

Nominal Fan Shaft Diameter (mm)

Belt, Quantity...Type...Length (mm)

Pulley Center Line Distance (mm)

Speed Change per Full Turn of

Moveable Pulley Flange (r/s)

Moveable Pulley Maximum Full Turns

From Closed Position

Factory Setting

Factory Speed Setting (r/s)

Fan Shaft Diameter at Pulley (mm)

HIGH-PRESSURE SWITCH (kPa)

Standard Compressor Internal Relief (Differential)

Cutout

Reset (Auto.)

LOSS-OF-CHARGE (LOW-PRESSURE) SWITCH (kPa)

Cutout

Reset (Auto.)

FREEZE PROTECTION THERMOSTAT (C)

Opens

Closes

OUTDOOR-AIR INLET SCREENS

Quantity...Size (mm)

RETURN-AIR FILTERS

Quantity...Size (mm)

LEGEND

Al — Aluminum

*Indoor coil fin material/outdoor coil fin material.

†Weight of 356 mm roof curb.

008

26.4

009

29.9

012

35.2

426

20

65

2

1331 ea

438

20

65

Hermetic

2

1597 ea

R-22

460

20

65

2

1597 ea

2.67

2.72

3.60

3.70

3.45

3.45

Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™ Metering Device

1...669

2...669

2...669

1.90

1.67

1.70

2880

2...559

.19...15.5

500

Propeller Type

2880

2...559

.19...15.5

500

2880

2...559

.19...15.5

500

Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol Metering Device

3...590

3...590

3...590

0.74

0.74

1.03

1...381 x 381

Belt

1200

1.12

1.79

56

10.33-14.67

Ball

26.7

61/86

16

140

25

1...A...1219

406

Centrifugal Type

1...381 x 381

Belt

1415

1.12

1.79

56

10.33-14.67

Ball

26.7

61/86

16

140

25

1...A...1219

406

1...381 x 381

Belt

1600

1.50

2.16

56

11.50-15.00

Ball

26.7

86/112

16

178

25

1...A...1295

495

.83

.83

.67

5

5

10.33

25

5

5

10.33

25

5

5

11.50

25

3103 ± 345

2951

2206

48 ± 21

152 ± 48

–1 ± 3

7 ± 3

Cleanable

1...508 x 635 x 25

1...406 x 635 x 25

Throwaway

4...406 x 508 x 51 4...406 x 558 x 51 4...508 x 508 x 51

NOTE: The 50TFQ units have a loss-of-charge (low-pressure) switch located in the liquid line.

Physical data (English)

UNIT SIZE 50TFQ

NOMINAL CAPACITY (tons)

OPERATING WEIGHT (lb)

Unit

Al/Al*

Durablade Economizer

Roof Curb†

COMPRESSOR

Quantity

Oil (oz)

REFRIGERANT TYPE

Operating Charge (lb-oz)

Circuit 1

Circuit 2

OUTDOOR COIL

Rows...Fins/in.

Total Face Area (sq ft)

OUTDOOR FAN

Nominal Cfm

Quantity...Diameter (in.)

Motor Hp...Rpm

Watts Input (Total)

INDOOR COIL

Rows...Fins/in.

Total Face Area (sq ft)

INDOOR FAN

Quantity...Size (in.)

Type Drive

Nominal Cfm

Motor Hp

Maximum Continuous Bhp

Motor Frame Size

Fan Rpm Range

Motor Bearing Type

Maximum Allowable Rpm

Motor Pulley Pitch Diameter Min/Max (in.)

Nominal Motor Shaft Diameter (in.)

Fan Pulley Pitch Diameter (in.)

Nominal Fan Shaft Diameter (in.)

Belt, Quantity...Type...Length (in.)

Pulley Center Line Distance (in.)

Speed Change per Full Turn of

Moveable Pulley Flange (rpm)

Moveable Pulley Maximum Full Turns

From Closed Position

Factory Setting

Factory Speed Setting (rpm)

Fan Shaft Diameter at Pulley (in.)

HIGH-PRESSURE SWITCH (psig)

Standard Compressor Internal Relief (Differential)

Cutout

Reset (Auto.)

LOSS-OF-CHARGE (LOW-PRESSURE) SWITCH (psig)

Cutout

Reset (Auto.)

FREEZE PROTECTION THERMOSTAT (F)

Opens

Closes

OUTDOOR-AIR INLET SCREENS

Quantity...Size (in.)

RETURN-AIR FILTERS

Quantity...Size (in.)

LEGEND

Al

Aluminum

Bhp

Brake Horsepower

*Indoor coil fin material/outdoor coil fin material.

008

7 1 /

2

009

8 1 /

2

012

10

940

44

143

2

45 ea

965

44

143

Hermetic

2

54 ea

R-22

1015

44

143

2

54 ea

5-14

6- 0

7-6

8-3

7-10

7-10

Enhanced Copper Tubes, Aluminum Lanced Fins, Acutrol™ Metering Device

1...17

2...17

2...17

20.50

18.00

18.30

6500

2...22

1

/

4

...1100

500

Propeller Type

6500

2...22

1

/

4

...1100

500

6500

2...22

1

/

4

...1100

500

Enhanced Copper Tubes, Aluminum Double-Wavy Fins, Acutrol Metering Device

3...15

3...15

3...15

8.0

8.0

11.1

1...15 x 15

Belt

2600

1

5

1

/

/

56

8

16

2

2.40

620-880

Ball

1600

2.4/3.4

5.5

1.0

1...A...48

Centrifugal Type

1...15 x 15

Belt

3000

1

1

/

2

2.40

56

620-880

Ball

1600

2.4/3.4

5

/

8

5.5

1.0

1...A...48

16

1...15 x 15

Belt

3400

2

2.90

56

690-900

Ball

1600

3.4/4.4

5

/

8

7.0

1.0

1...A...51

19.5

50 50 41

5

5

620

1

5

5

620

1

5

5

690

1

450 ± 50

428

320

7 ± 3

22 ± 5

4...16 x 20 x 2

30 ± 5

45 ± 5

Cleanable

1...20 x 25 x 1

1...16 x 25 x 1

Throwaway

4...16 x 20 x 2 4...20 x 20 x 2

†Weight of 14-in. roof curb.

NOTE: The 50TFQ units have a loss-of-charge (low-pressure switch) located in the liquid line.

5

Options and accessories

ITEM

Apollo Communicating Controls

Non-Fused Disconnect Switch

Durablade Integrated Economizer

Electric Heat**

Manual Outdoor-Air Damper (25% Open)

Manual Outdoor-Air Damper (50% Open)

Outdoor Coil Grille

25% Open Two-Position Damper

100% Open Two-Position Damper

Roof Curbs (Vertical and Horizontal Discharge)

Thermostats and Subbases

Emergency Heat Package

Logo Kit

Time Guard® II Control Circuit

Thru-the-Bottom Service Connections

Electronic Programmable Thermostat

Accusensor™ II Enthaply Control

Accusensor III Enthalpy Sensor

Outdoor Coil Hail Guard Assembly

Fan/Filter Status

Salt Spray Protection Grille

Pre-Coated Aluminum Fin Coils

Copper-Fin Coils

OPTION* ACCESSORY†

X

X

X X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

*Factory installed.

†Field installed.

**Accessory single-point kit is required for size 008-012 units using electric heat.

MOTORMASTER II

TIME GUARD II CONTROL

Time Guard II Control automatically prevents compressor from restarting for at least 5 minutes after a shutdown. Accessory prevents short cycling of compressor if thermostat is rapidly changed.

Time Guard II device mounts in the control compartment of unit.

EMERGENCY HEAT CONTROL PACKAGE

ELECTRONIC PROGRAMMABLE THERMOSTAT

Emergency heat control package allows emergency operation of electric heat and fans by bypassing compressor circuits and outdoor thermostats.

6

Carrier’s electronic programmable thermostat provides efficient temperature control by allowing you to program heating and cooling setbacks and set ups with provisions for weekends and holidays. Accessory remote sensing package is also available to provide tamperproof control in high traffic spaces. Used in conjunction with factory-installed Apollo control, this thermostat provides a 5-minute recycle timer between modes of operation for short-cycle protection.

UNIT-MOUNTED DISCONNECT

THERMOSTAT

H

C

Factory-installed, internally-mounted, NEC (U.S.A. Standard) and UL

(Underwriters’ Laboratories) approved non-fused switch provides unit power shutoff. May not be used with certain electric heat sizes.

HAIL GUARD, OUTDOOR COIL

SALT SPRAY PROTECTION

Zone thermostat (24 v) provides one- or 2-stage cooling for control of unit. Matching subbases are available with or without tamperproof switches and automatic changeover.

ELECTRIC HEATER

Hail guard accessory protects coils against damage from hail and other flying debris (field installed). Coil guard accessory

(field installed) protects coils from salt spray induced corrosion in coastal areas. Utilizes a replaceable filter.

COIL GRILLE

Electric heaters are available in a wide range of capacities for field installation.

Coil Grille protects coils against large objects and vandalism.

7

8

Options and accessories (cont)

ACCUSENSOR™ II

DURABLADE ECONOMIZER

OPEN

POSITION MINIMUM

Y

10

30

D

60

M

70

U

H

90

%

REV.

97-36

72

ACCUSENSOR III

Exclusive Durablade economizer damper design saves energy while providing economical and reliable cooling. A sliding plate on the face of the economizer controls the amount of outdoor air entering the system. Closed, it provides a leakproof seal which prevents ambient air from seeping in or conditioned air from seeping out. It can be easily adjusted for 100% outdoor air or any proportions of mixed air.

Like the base unit, the economizer is easily converted for horizontal discharge applications.

Accusensor economizer controls help provide efficient, economical economizer operation. The Accusensor I dry-bulb sensor measures outdoor temperature and is standard with the Durablade economizer. The accessory Accusensor II solid-state enthalpy control senses both dry and wet bulb of the outdoor air to provide an accurate enthalpy reading. Accusensor II is available as a fieldinstalled accessory for the Durablade economizer. The accessory

Accusensor III differential enthalpy control compares outdoor temperature and humidity to return-air temperature and humidity and determines the most economical mixture of air. Accusensor III is available as a field-installed accessory for the Durablade economizer.

Base unit dimensions

UNIT

50TFQ

008

009

012

STANDARD

UNIT

WEIGHT

Lb Kg

940

965

1015

426

438

460

ECONOMIZER

WEIGHT

(DURABLADE)

Lb Kg

44

44

44

20

20

20

CORNER

WEIGHT

(A)

Lb Kg

207

212

223

94

96

101

CORNER

WEIGHT

(B)

Lb

178

183

193

Kg

81

83

88

CORNER

WEIGHT

(C)

Lb

254

261

274

Kg

115

119

124

NOTES:

1. Dimensions in [ ] are in millimeters.

2.

3.

Center of gravity.

Direction of airflow.

CORNER

WEIGHT

(D)

Lb Kg

301

309

325

136

140

147

ft-in.

2- 0

7

/

8

2- 0

7

/

8

2-10

7

/

8

“H” mm

632

632

885

ft-in.

3-5

5

/

16

3-5

5

/

16

4-1

5

/

16

“J” mm

1050

1050

1253

ft-in.

3-0

3

/

8

“K”

2-9

11

/

16

2-9

11

/

16

mm

856

856

924

4. Ductwork to be attached to accessory roof curb only.

5. Minimum clearance (local codes or jurisdiction may prevail): a. Bottom to combustible surfaces (when not using curb) 0 in. [0], on horizontal discharge units with electric heat 1 in. [25] clearance to ductwork for 1 ft. [.3 m] b. Outdoor coil, for proper airflow, 36 in. [914] one side, 12 in. [305] the other. The side getting the greater clearance is optional.

c. Overhead, 60 in. [1524] to assure proper outdoor fan operation.

d. Between units, control box side, 42 in. [1067] per NEC (National

Electrical Code).

e. Between unit and ungrounded surfaces, control box side, 36 in.

[914] per NEC.

f.

Between unit and block or concrete walls and other grounded surfaces, control box side, 42 in. [1067] per NEC.

g. Horizontal supply and return end, 0 inches.

6. With the exception of the clearance for the outdoor coil and combustibles as stated in Notes 5a, b, and c, a removable fence or barricade requires no clearance.

7. Units may be installed on combustible floors made from wood or class

A, B, or C roof covering material.

8. The vertical center of gravity is 1

′-7

1/

2

″ [495] for 008 and 009, 2′-0″ [610] for 012 up from the bottom of the base rail.

BOTTOM POWER CHART, THESE HOLES REQ’D FOR USE WITH

ACCESSORY PACKAGES — CRBTMPWR001A00 (

CRBTMPWR002A00 ( 1 /

2

″, 1

1 /

4

″)

1 /

2

″,

3 /

4

″) OR

THREADED

CONDUIT SIZE

1 /

2

1

3 /

1

4

/

4

WIRE USE

24 V

Power*

Power*

REQ’D HOLE

SIZES (Max.)

1

7 /

8

″ [22.2]

1 /

1 3 /

8

4

″ [28.4]

″ [44.4]

*Select either 3 /

4

″ or 1

1 /

4

″ for power, depending on wire size.

CONNECTION SIZES

A

1 3 /

8

B

2 1 /

2

″ Dia. [35] Field Power Supply Hole

″ Dia. [64] Power Supply Knockout

C

1 3 /

D

7 /

8

4

″ Dia. [44] Charging Port Hole

″ Dia. [22] Field Control Wiring Hole

E

3 /

4

″ — 14 NPT Condensate Drain

F

2

″ Dia. [51] Power Supply Knockout

9

Accessory dimensions

ROOF CURB

ACCESSORY

“A”

CRRFCURB003A00

1

′-2″ [356]

CRRFCURB004A00

2

′-0″ [610]

UNIT SIZE

50TFQ

008-012

ROOF CURB 50TFQ008-012

UNIT SIZE

50TFQ

008-012

“B” “C”

2

′-8

7 /

16

[827]

1

′-10

15 /

16

[583]

“D” ALT

DRAIN

HOLE

1 3 /

4

[45]

POWER

3 /

4

″ NPT

1 1 /

4

″ NPT

CONTROL

1 /

2

″ NPT

1 /

2

″ NPT

CONNECTOR

PACKAGED

ACCESSORY

CRBTMPWR001A00

(Thru-the-Bottom)

CRBTMPWR002A00

(Thru-the-Bottom)

NOTES:

1. Roof curb accessory is shipped unassembled.

2. Insulated panels.

3. Dimensions in [ ] are in millimeters.

4. Roof curb: galvanized steel.

5. Attach ductwork to curb (flanges of duct rest on curb).

6. Service clearance 1219 mm (4 ft) on each side.

7.

Direction of airflow.

10

Selection procedure

(with 50TFQ008 example) — SI

I Determine cooling and heating requirements at design conditions.

Given:

Required Cooling Capacity (TC) . . . . . . . . . 23 kW

Sensible Heat Capacity (SHC) . . . . . . . . . . 14 kW

Required Heating Capacity . . . . . . . . . . . . 21 kW

Outdoor Entering-Air Temperature . . . . . . . . 32 C

Outdoor-Air Winter Design Temperature . . . –12 C

Indoor-Air Winter Design Temperature . . . . . 21 C

Indoor Entering-Air Temperature . . . . 26.7 C, edb

20 C, ewb

Indoor-Air Quantity . . . . . . . . . . . . . . . . 1200 L/s

External Static Pressure . . . . . . . . . . . . . . . 185 Pa

Electrical Characteristics (V-Ph-Hz) . . . . . 380-3-50

II Select unit based on required cooling capacity.

Enter Cooling Capacities table at outdoor entering temperature of 32 C, indoor air entering at

1200 L/s and 20 C ewb. The 50TFQ008 unit will provide a total cooling capacity of 25.6 kW and a sensible heat capacity of 15.7 kW.

For indoor-air temperature other than 26.7 C edb, calculate sensible heat capacity correction, as required, using the formula found in Note 3 following the cooling capacities tables.

NOTE: Unit ratings are gross capacities and do not include the effect of indoor-fan motor heat. To calculate net capacities, see Step V.

III Select electric heat.

Enter the Instantaneous and Integrated Heating Ratings table at 1200 L/s. At 21 C return indoor air and –12 C air entering outdoor coil, the integrated heating capacity is 9.5 kW. (Select integrated heating capacity value since deductions for outdoor-coil frost and defrosting have already been made. No correction is required.)

The required heating capacity is 21 kW. Therefore,

11.5 kW (21 – 9.5) additional electric heat is required.

Enter the Electric Heating Capacities table for

50TFQ008 at 400-3-50, 3 phase. The 11.5 kW heater at 400 v most closely satisfies the heating required. To calculate kW at 380 v, use the Multiplication Factors table.

11.5 kW x .902 = 10.4 kW

Total unit heating capacity is 19.9 kW (9.5 + 10.4).

IV Determine fan speed and power requirements at design conditions.

Before entering Fan Performance tables, calculate the total static pressure required based on unit components. From the given and the Pressure Drop tables on page 28, find:

External static pressure

Economizer

Electric heat

Total static pressure

185 Pa

6 Pa

8 Pa

199 Pa

Enter the Fan Performance table for 50TFQ008 vertical discharge. Find fan R/s and BkW at 199 Pa and

1200 L/s. Note that the fan speed is 12.6 R/s and power required is 1.05 BkW. The standard 1.12 kW motor is satisfactory.

To determine the input power to the motor, use the

Indoor-Fan Motor Efficiency table on page 28.

1.05

IFM Watts =

.80

= 1.9 kW

V Determine net capacities.

Capacities are gross and do not include the effect of indoor-fan motor (IFM) heat.

Determine net cooling capacity as follows:

Net capacity = Total capacity – IFM heat

= 25.6 kW – (1.9 kW)

= 23.7 kW

Net sensible capacity = 15.7 kW – 1.9 kW

= 14.1 kW

Determine net heating capacity as follows:

Net capacity = Total capacity + IFM heat

= 19.9 kW + 1.9 kW

= 21.8 kW

11

Selection procedure

(with 50TFQ008 example) — English

I Determine cooling and heating requirements at design conditions.

Given:

Required Cooling Capacity (TC) . . . . .78,000 Btuh

Sensible Heat Capacity (SHC) . . . . . .51,000 Btuh

Required Heating Capacity . . . . . . . .72,000 Btuh

Outdoor Entering-Air Temperature . . . . . . . . .95 F

Outdoor-Air Winter Design Temperature . . . . .10 F

Indoor-Air Winter Design Temperature . . . . . .70 F

Indoor Entering-Air Temperature . . . . . . 80 F, edb

67 F, ewb

Indoor-Air Quantity . . . . . . . . . . . . . . . . 2600 cfm

External Static Pressure . . . . . . . . . . . . . 70 in. wg

Electrical Characteristics (V-Ph-Hz) . . . . . 380-3-50

II Select unit based on required cooling capacity.

Enter Cooling Capacities table at outdoor entering temperature of 95 F, indoor air entering at

2600 cfm and 67 F ewb. The 50TFQ008 unit will provide a total cooling capacity of 83,400 Btuh and a sensible heat capacity of 56,200 Btuh.

For indoor-air temperature other than 80 F edb, calculate sensible heat capacity correction, as required, using the formula found in Note 3 following the cooling capacities tables.

NOTE: Unit ratings are gross capacities and do not include the effect of indoor-fan motor heat. To calculate net capacities, see Step V.

III Select electric heat.

Enter the Instantaneous and Integrated Heating Ratings table at 2600 cfm. At 70 F return indoor air and 10 F air entering outdoor coil, the integrated heating capacity is 32,200 Btuh. (Select integrated heating capacity value since deductions for outdoorcoil frost and defrosting have already been made.

No correction is required.)

The required heating capacity is 72,000 Btuh.

Therefore, 39,800 Btuh (72,000 – 32,200) additional electric heat is required.

Determine additional electric heat capacity in kW.

39,800 Btuh

3413 Btuh/kW

= 11.7 kW of heat required.

Enter the Electric Heating Capacities table for

50TFQ008 at 400-3-50. The 11.5 kW heater at

400 v most closely satisfies the heating required. To calculate kW at 380 v, use the Multiplication Factors table.

11.5 kW x .902 = 10.4 kW

11.5 kW x .902 x 3413 = 35,403 Btuh

Total unit heating capacity is 67,603 Btuh (32,200

+ 35,403).

IV Determine fan speed and power requirements at design conditions.

Before entering Fan Performance tables, calculate the total static pressure required based on unit components. From the given and the Pressure Drop tables on page 28, find:

External static pressure

Economizer

Electric heat

Total static pressure

.70 in. wg

.02 in. wg

.03 in. wg

.75 in. wg

Enter the Fan Performance table for 50TFQ008 vertical discharge. Find fan R/s and BkW at 0.75 in. wg and 2600 cfm. Note that the fan speed is 747 rpm and power required is 1.40 Bhp (interpolation not shown). The standard 1.5 hp motor is satisfactory.

NOTE: Convert bhp to Watts using the formula found in the note following the Indoor-Fan Motor

Efficiency table found on page 28.

For this example:

Watts =

746 x Bhp

Motor Efficiency

Watts =

746 x 1.40

.80

Watts = 1306

V Determine net capacities.

Capacities are gross and do not include the effect of indoor-fan motor (IFM) heat.

Determine net cooling capacity as follows:

Net capacity = Gross capacity – IFM heat

= 83,400 Btuh – (1306 watts x 3.413 Btuh/Watts)

= 83,400 Btuh – 4457 Btuh

= 78,943 Btuh

Net sensible capacity = 56,200 Btuh – 4457 Btuh

= 51,743 Btuh

Determine net heating capacity as follows:

Net capacity = Gross capacity + IFM heat

= 67,603 Btuh + 4457 Btuh

= 72,060 Btuh

12

50TFQ008 (cont)

Temp (C

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

Performance data

COOLING CAPACITIES (SI)

50TFQ008

Temp (C)

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

21.8

17.5

5.34

21.0

17.1

5.62

20.0

16.7

5.90

19.1

16.2

6.18

16

23.6

18.4

4.76

22.8

17.9

5.04

18.1

15.7

6.46

17.0

15.2

6.72

15.9

14.6

7.00

20.8

18.9

5.24

20.2

18.3

5.52

19.3

17.6

5.82

18.6

16.9

6.10

14

22.2

20.2

4.64

21.6

19.5

4.91

17.7

16.2

6.40

16.8

15.4

6.70

15.9

14.6

7.00

850/0.09

23.4

15.6

5.48

22.4

15.3

5.78

21.4

14.5

6.06

20.4

14.6

6.36

18

25.2

16.3

4.88

24.2

15.8

5.16

19.2

14.2

6.62

18.1

13.8

6.88

16.9

13.3

7.16

25.0

13.4

5.64

24.2

13.1

5.96

23.2

12.8

6.26

22.0

12.5

6.56

20

26.8

14.0

4.98

26.0

13.7

5.30

21.0

12.1

6.86

19.7

11.8

7.14

18.5

11.4

7.40

26.3

11.2

5.80

25.8

10.9

6.14

24.8

10.6

6.46

23.8

10.3

6.78

22

28.2

11.6

5.08

27.8

11.4

5.46

22.6

10.0

7.10

21.4

9.7

7.40

20.2

9.3

7.68

23.2

21.2

5.46

22.4

20.4

5.78

21.6

19.6

6.10

20.6

18.9

6.40

14

24.6

22.4

4.84

24.0

21.8

5.16

19.7

18.0

6.70

18.8

17.2

7.02

17.8

16.3

7.32

21.6

19.5

6.12

20.6

18.8

6.40

19.7

18.0

6.70

18.8

17.2

7.02

17.8

16.3

7.32

Indoor Air — L/s / BF

1150/0.23

Indoor Air — Ewb (C)

16 18 20

25.4

21.4

4.88

24.4

21.0

5.20

23.6

20.4

5.50

22.6

20.0

5.80

26.6

18.9

4.98

25.8

18.7

5.32

24.8

18.4

5.62

23.8

18.0

5.94

28.2

15.9

5.10

27.6

15.8

5.46

26.6

15.6

5.78

25.6

15.3

6.12

22.8

17.7

6.24

21.8

17.2

6.54

20.6

16.6

6.84

19.5

16.0

7.12

18.3

15.4

7.40

24.4

15.0

6.42

23.2

14.7

6.74

22.0

14.3

7.04

20.8

14.0

7.32

19.5

13.6

7.58

28.2

12.6

5.94

27.2

12.3

6.28

26.2

12.0

6.62

25.0

11.8

6.96

22

29.8

12.9

5.22

29.0

12.7

5.56

23.8

11.5

7.26

22.6

11.2

7.58

21.2

10.9

7.86

23.8

21.0

5.54

22.8

20.4

5.84

22.0

19.8

6.14

21.0

19.1

6.44

16

25.6

21.8

4.90

24.8

21.4

5.22

20.0

18.3

6.76

19.0

17.4

7.06

18.0

16.5

7.36

23.4

21.4

5.50

22.6

20.8

5.82

21.8

19.9

6.14

21.0

19.1

6.44

14

25.0

22.8

4.86

24.2

22.2

5.18

20.0

18.3

6.76

19.0

17.4

7.06

18.0

16.5

7.36

1200/0.25

25.0

18.1

5.64

24.0

18.4

5.96

23.0

18.0

6.26

22.0

17.6

6.56

18

26.8

19.3

5.00

26.0

19.1

5.34

20.8

17.0

6.86

19.7

16.3

7.16

18.5

15.7

7.44

26.8

15.9

5.80

25.6

15.7

6.12

24.6

15.3

6.44

23.4

15.0

6.76

20

28.4

16.2

5.12

27.6

16.1

5.46

22.2

14.7

7.06

21.0

14.3

7.34

19.6

14.0

7.60

28.4

12.8

5.96

27.4

12.6

6.30

26.4

12.3

6.64

25.2

12.1

6.90

22

30.0

13.2

5.24

29.2

13.0

5.58

24.0

11.8

7.28

22.8

11.5

7.60

21.4

11.1

7.90

25.0

22.8

5.64

24.0

22.0

5.98

23.2

21.2

6.28

22.2

20.4

6.62

14

26.4

24.0

4.96

25.8

23.4

5.30

21.2

19.4

6.94

20.2

18.5

7.24

19.1

17.5

7.54

23.2

21.2

6.30

22.2

20.4

6.62

21.2

19.4

6.94

20.2

18.5

7.24

19.1

17.5

7.54

Indoor Air — L/s / BF

1450/0.34

Indoor Air — Ewb (C)

16 18 20

26.6

23.6

4.98

25.8

23.4

5.32

25.0

22.6

5.66

24.0

22.0

5.98

27.6

21.2

5.06

26.8

21.2

5.40

26.0

20.8

5.74

25.0

20.2

6.06

29.2

17.7

5.18

28.4

17.7

5.54

27.4

17.5

5.88

26.4

17.3

6.22

24.0

19.6

6.38

22.8

19.0

6.70

21.8

18.4

7.00

20.6

17.8

7.30

19.4

17.1

7.58

25.2

17.0

6.54

24.0

16.7

6.84

22.8

16.4

7.14

21.4

16.8

7.42

20.2

15.6

7.70

29.2

13.9

6.02

28.0

13.6

6.36

27.0

13.4

6.72

25.8

13.2

7.06

22

39.6

14.1

5.30

30.2

14.1

5.68

24.6

12.9

7.38

23.2

12.6

7.68

22.0

12.4

7.98

LEGEND

BF

Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW

Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC

Total Capacity (kW)

NOTES:

1. Ratings are gross, and do not account for the effects of the indoorfan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At any other temperature, correct the SHC read from the table of cooling capacities as follows:

Corrected SHC kW

= SHC + [1.23 x 10 -3 x (1 – BF) x (C db

– 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be positive; add it to SHC. Below 26.7 C, SHC correction will be negative; subtract it from SHC.

4. Formulas:

C ldb

= C edb

SHC kW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy of air leaving coil (h lwb

).

h lwb

= h ewb

TC kW x 100

1.20 x L/s

Where h ewb is enthalpy of air entering indoor coil (kJ/kg).

13

50TFQ009 (cont)

Temp (C)

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

Performance data (cont)

COOLING CAPACITIES (SI) (cont)

50TFQ009

Temp (C)

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

22.4

21.0

5.84

21.8

20.4

6.18

21.0

19.7

6.52

20.4

19.0

6.86

14

23.8

22.2

5.16

23.2

21.6

5.52

19.6

18.4

7.24

18.9

17.7

7.60

18.1

17.0

7.98

950/0.10

25.2

17.4

6.12

24.2

17.1

6.46

23.2

16.7

6.82

22.4

16.4

7.16

18

26.8

18.0

5.42

26.0

17.8

5.76

21.4

16.0

7.50

20.4

15.7

7.86

19.3

15.3

8.22

23.6

19.4

5.96

22.6

19.0

6.30

21.8

18.6

6.62

21.0

18.2

6.96

16

25.2

20.2

5.28

24.4

19.9

5.62

20.2

17.7

7.30

19.2

17.2

7.66

18.2

16.7

8.02

28.6

12.6

6.44

27.8

12.3

6.82

26.8

12.1

7.22

25.8

11.7

7.60

22

29.6

12.9

5.64

29.4

12.8

6.06

24.8

11.5

8.00

23.8

11.2

8.40

22.8

10.8

8.78

27.0

15.1

6.28

26.0

14.8

6.66

25.0

14.4

7.04

24.0

14.1

7.40

20

28.4

15.5

5.54

27.8

15.4

5.92

23.0

13.8

7.76

22.0

13.5

8.14

21.0

13.1

8.50

24.8

23.2

6.10

24.0

22.6

6.46

23.2

21.8

6.84

22.4

21.0

7.20

14

26.2

24.6

5.38

25.6

24.0

5.74

21.6

20.4

7.58

20.8

19.5

7.96

19.9

18.7

8.34

23.4

21.6

6.86

22.6

21.0

7.22

21.8

20.2

7.58

20.8

19.5

7.96

20.0

18.7

8.34

Indoor Air — L/s / BF

1250/0.24

Indoor Air — Ewb (C)

16 18 20

27.0

23.2

5.42

26.2

23.0

5.80

25.2

22.6

6.14

24.4

22.0

6.50

28.0

20.4

5.50

27.4

20.4

5.88

26.6

20.2

6.26

25.6

19.9

6.64

29.2

17.0

5.60

28.8

17.0

6.00

28.2

17.1

6.42

27.4

16.9

6.80

24.6

19.5

7.00

23.6

19.1

7.36

22.6

18.6

7.74

21.8

18.1

8.10

20.8

17.5

8.43

26.6

16.6

7.18

25.4

16.4

7.58

24.2

16.0

7.94

23.2

15.7

8.32

22.0

15.4

8.70

29.4

13.7

6.52

28.8

13.6

6.96

28.0

13.5

7.38

27.0

13.3

7.78

22

30.4

13.8

5.70

30.0

13.8

6.10

26.0

12.9

8.16

24.8

12.7

8.56

23.8

12.4

8.98

26.0

23.6

6.22

25.0

23.2

6.58

24.2

22.4

6.96

23.2

21.8

7.32

16

27.6

24.4

5.48

26.8

24.2

5.86

22.4

21.0

7.70

21.6

20.2

8.08

20.6

19.4

8.48

25.8

24.0

6.18

25.0

23.4

6.56

24.0

22.6

6.94

23.2

21.8

7.32

14

27.0

25.2

5.44

26.4

24.8

5.82

22.4

21.0

7.70

21.6

20.2

8.08

20.6

19.4

8.48

1400/0.30

27.2

21.4

6.32

26.2

21.0

6.70

25.2

20.6

7.06

24.2

20.2

7.44

18

28.6

21.6

5.56

27.8

21.6

5.94

23.2

19.6

7.82

22.2

19.0

8.20

21.2

18.4

8.58

28.6

18.0

6.46

27.8

17.9

6.86

26.8

17.7

7.24

25.8

17.4

7.62

20

29.6

17.9

5.64

29.2

18.0

6.04

24.6

17.1

8.00

23.4

16.7

8.38

22.4

16.4

8.76

30.0

14.4

6.58

29.2

14.3

7.00

28.4

14.2

7.42

27.6

14.0

7.84

22

30.8

14.4

5.76

30.6

14.4

6.18

26.4

13.7

8.22

25.2

13.4

8.60

24.0

13.1

9.02

26.6

25.0

6.28

25.8

24.2

5.98

25.0

23.4

7.06

24.2

22.6

7.44

14

27.8

26.0

5.50

27.4

25.8

5.90

23.2

21.8

7.84

22.4

21.0

8.22

21.4

20.2

8.62

23.2

21.8

7.84

22.4

21.0

8.22

21.4

20.2

8.62

26.6

24.2

6.28

25.8

24.2

6.68

25.0

23.4

7.06

24.2

22.6

7.44

Indoor Air — L/s / BF

1600/0.36

Indoor Air — Ewb (C)

16

28.2

25.8

5.54

27.6

25.4

5.92

18

29.0

22.8

5.62

28.4

22.8

6.00

20

30.2

18.9

5.70

29.8

19.1

6.12

23.8

20.6

7.92

22.8

20.0

8.30

21.8

19.4

8.68

27.8

22.6

6.38

26.8

22.4

6.68

25.8

21.8

7.14

24.8

21.2

7.52

25.0

18.2

8.06

23.8

17.5

8.44

22.6

17.6

8.82

29.2

19.2

6.54

28.4

19.1

6.92

27.2

18.8

7.30

26.2

18.5

7.66

30.6

15.2

6.66

29.8

15.0

7.06

28.8

14.9

7.48

28.0

14.8

7.90

22

31.4

15.0

5.82

31.2

15.3

6.26

26.8

14.5

8.28

25.6

14.1

8.66

24.4

13.8

9.04

LEGEND

BF

Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW

Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC

Total Capacity (kW)

NOTES:

1. Ratings are gross, and do not account for the effects of the indoorfan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At any other temperature, correct the SHC read from the table of cooling capacities as follows:

Corrected SHC kW

= SHC + [1.23 x 10 -3 x (1 – BF) x (C db

– 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be positive; add it to SHC. Below 26.7 C, SHC correction will be negative; subtract it from SHC.

4. Formulas:

C ldb

= C edb

SHC kW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy of air leaving coil (h lwb

).

h lwb

= h ewb

TC kW x 100

1.20 x L/s

Where h ewb is enthalpy of air entering indoor coil (kJ/kg).

14

COOLING CAPACITIES (SI) (cont)

50TFQ012

Temp (C)

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

25.0

24.4

6.76

24.4

23.8

7.30

23.8

23.2

7.86

23.2

22.6

8.43

14

26.2

25.4

5.80

25.6

25.0

6.24

26.2

22.8

6.88

25.6

22.4

7.40

24.8

21.8

7.88

24.0

21.4

8.58

16

27.6

23.4

5.90

27.0

23.2

6.38

1100/0.15

18

29.2

21.0

6.02

28.6

20.8

6.50

27.8

20.4

7.00

27.0

20.2

7.56

26.2

19.7

8.12

25.4

19.4

8.74

20

31.0

18.3

6.16

30.4

18.1

6.64

29.6

17.8

7.14

28.8

17.5

7.70

28.0

17.2

8.30

27.2

16.9

8.94

22

32.6

15.6

6.28

32.0

15.4

6.76

31.2

15.1

7.28

30.6

14.9

7.86

29.8

14.6

8.48

28.8

14.3

9.08

14

28.6

28.0

5.98

28.0

27.4

6.44

27.4

26.8

7.00

26.8

26.2

7.56

26.0

25.6

8.14

25.4

24.8

8.76

Indoor Air — L/s / BF

1450/0.29

Indoor Air — Ewb (C)

16 18 20

29.1

26.6

6.04

28.6

26.2

6.50

28.0

26.0

7.04

27.2

25.6

7.60

26.4

25.0

8.16

25.6

24.6

8.78

30.8

23.8

6.14

30.2

23.6

6.62

29.4

23.4

7.16

28.6

23.2

7.70

27.6

22.8

8.28

26.8

22.4

8.88

29.4

19.5

8.44

28.4

19.2

9.56

32.4

20.2

6.26

31.8

20.2

6.76

31.2

20.2

7.30

30.2

19.8

7.86

22

34.0

16.9

6.40

33.4

16.7

6.88

32.8

16.6

7.44

32.0

16.5

8.02

31.2

16.2

8.62

30.2

16.0

9.26

14

29.4

28.8

6.04

28.8

28.2

6.50

28.2

27.6

7.06

27.6

27.0

7.62

26.8

26.2

8.20

26.0

25.6

8.84

16

30.0

27.8

6.10

29.2

27.4

6.54

28.6

27.0

7.10

27.8

26.6

7.64

27.0

26.0

8.22

26.2

25.4

8.86

1600/0.34

18

31.2

24.8

6.18

30.6

24.8

6.66

29.8

24.6

7.20

29.0

24.2

7.76

28.0

23.8

8.32

27.2

23.4

8.94

22.4

21.8

9.12

21.6

21.2

9.80

23.0

21.0

9.20

22.2

20.4

24.4

19.0

9.38

23.4

18.6

26.2

16.5

9.60

25.2

16.2

28.0

13.9

9.76

27.0

13.6

21.6

24.0

9.42

23.8

23.2

24.6

23.8

9.42

23.8

23.2

25.8

22.0

9.56

24.8

21.4

27.4

18.9

9.74

26.4

18.6

29.2

15.6

9.94

28.2

15.3

25.2

28.8

9.52

24.4

24.0

25.2

24.8

9.52

24.4

24.0

26.2

22.8

9.62

25.4

22.4

27.8

19.8

9.78

26.8

19.5

29.6

16.2

9.98

28.6

15.9

9.86

10.06

10.28

10.48

10.10

10.10

10.24

10.44

10.62

10.20

10.20

10.32

10.48

10.68

20.8

20.4

21.2

19.8

22.4

18.1

24.2

15.8

26.0

13.5

22.8

22.4

22.8

22.4

23.8

20.8

25.2

18.2

27.0

14.0

23.6

23.0

23.6

23.0

24.2

21.6

25.6

19.2

27.4

15.5

10.50

10.56

10.71

10.96

11.22

10.82

10.82

10.96

11.14

11.34

10.92

10.92

11.02

11.20

11.38

31.6

21.0

7.36

30.8

20.8

7.90

29.8

20.4

8.48

28.8

20.2

9.10

20

32.8

21.0

6.30

32.2

21.2

6.80

33.2

17.2

7.48

32.4

17.0

8.06

31.6

16.8

8.66

30.6

16.5

9.30

22

34.2

17.4

6.42

33.6

17.2

6.92

50TFQ012 (cont)

Temp (C)

Outdoor

Entering Air

(Edb)

20

24

28

32

36

40

44

48

52

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

29.0

28.4

7.12

28.4

27.8

7.68

27.6

27.2

8.28

27.0

26.4

8.94

26.2

25.6

9.68

25.2

24.8

10.34

24.4

23.8

11.06

14

30.2

29.6

6.10

29.6

29.0

6.56

29.2

28.2

7.14

28.4

27.6

7.68

27.6

27.0

8.28

27.0

26.4

8.94

26.2

25.6

9.64

25.2

24.8

10.34

24.4

23.8

11.06

Indoor Air — L/s / BF

1800/0.40

Indoor Air — Ewb (C)

16

30.6

29.0

6.14

29.8

28.6

6.60

18

31.8

26.2

6.24

31.2

26.0

6.72

20

33.4

22.2

6.36

32.8

22.2

6.86

30.4

25.8

7.34

29.6

25.4

7.80

28.6

25.0

8.38

27.8

24.6

9.02

27.0

24.0

9.70

26.0

23.4

10.40

24.8

22.8

11.12

32.0

22.2

7.40

31.2

22.0

7.96

30.2

21.8

8.54

29.2

21.4

9.14

28.2

21.0

9.82

27.2

20.8

10.52

26.0

20.4

11.26

33.6

17.9

7.52

32.8

17.7

8.10

31.8

17.5

8.68

30.0

17.1

9.28

36.0

17.0

10.02

29.0

16.8

10.74

27.0

16.4

11.41

22

34.6

17.9

6.41

34.0

17.8

6.94

LEGEND

BF

Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (C)

kW

Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC

Total Capacity (kW)

NOTES:

1. Ratings are gross, and do not account for the effects of the indoorfan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 26.7 C db temperature of air entering the unit. At any other temperature, correct the SHC read from the table of cooling capacities as follows:

Corrected SHC kW

= SHC + [1.23 x 10 -3 x (1 – BF) x (C db

– 26.7) x L/s]

Observe the rule of signs. Above 26.7 C, SHC correction will be positive; add it to SHC. Below 26.7 C, SHC correction will be negative; subtract it from SHC.

4. Formulas:

C ldb

= C edb

SHC kW x 1000

1.23 x L/s

Leaving wet bulb = wet bulb temperature corresponding to enthalpy of air leaving coil (h lwb

).

h lwb

= h ewb

TC kW x 100

1.20 x L/s

Where h ewb is enthalpy of air entering indoor coil (kJ/kg).

15

Performance data (cont)

COOLING CAPACITIES (ENGLISH)

50TFQ008

Temp (F)

Outdoor

Entering Air

(Edb)

75

85

95

105

115

125

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

86.4

35.8

6.42

8.12

34.2

6.84

75.8

32.8

7.28

70.0

31.2

7.68

72

95.4

38.4

5.46

90.8

37.0

5.94

1850/0.03

78.0

46.2

6.14

73.0

44.6

6.56

67.6

43.0

6.94

61.8

41.2

7.30

67

87.2

49.0

5.26

82.8

47.8

5.72

70.2

56.2

5.86

65.4

54.4

6.24

60.2

52.4

6.60

54.8

50.0

6.96

62

79.0

59.6

5.06

74.6

58.0

5.48

90.8

40.4

6.56

85.6

39.2

7.02

80.0

37.8

7.46

73.6

36.2

7.88

72

99.4

42.4

5.56

96.0

41.6

6.08

Indoor Air — Cfm/BF

2450/0.05

2600/0.06

67

Indoor Air — Ewb (F)

62 72 67

92.6

57.0

5.42

87.8

55.8

5.86

82.6

54.2

6.30

77.2

52.8

6.72

71.6

51.0

7.12

65.2

49.2

7.48

84.2

70.4

5.20

79.6

68.8

5.62

74.8

66.8

6.04

70.2

64.0

6.46

65.8

60.2

6.86

61.0

55.8

7.28

100.6

43.6

5.60

96.8

42.8

6.10

91.6

41.6

6.58

86.4

40.4

7.06

80.6

39.0

7.48

74.2

37.6

7.90

72.2

53.2

7.14

65.8

51.4

7.52

93.4

58.8

5.44

88.8

57.8

5.90

83.4

56.2

6.32

78.0

54.8

6.76

76.2

68.6

6.08

71.6

65.4

6.50

67.2

61.4

6.94

62.4

57.0

7.36

62

85.4

73.0

5.24

80.8

71.0

5.66

93.4

44.6

6.64

88.4

43.8

7.14

82.2

42.4

7.56

76.0

41.2

8.00

72

103.6

46.8

5.68

98.6

45.8

6.16

3050/0.10

85.6

61.8

6.40

79.8

60.4

6.82

73.8

58.8

7.24

67.6

56.8

7.60

67

95.6

64.0

5.48

91.0

63.2

5.96

79.8

72.8

6.20

75.4

69.0

6.66

70.8

64.6

7.10

65.8

60.2

7.52

62

88.4

79.6

5.32

84.0

76.6

5.76

50TFQ009

Temp (F)

Outdoor

Entering Air

(Edb)

75

85

95

105

115

125

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

88.2

39.2

7.66

83.6

37.8

8.26

78.6

36.4

8.78

72

100.6

43.0

6.06

92.0

41.8

6.58

93.2

40.6

7.16

2000/0.05

79.8

50.4

7.40

75.2

48.8

7.88

70.2

47.2

8.38

67

93.6

55.0

5.88

89.2

53.4

6.36

84.6

52.0

6.90

71.8

61.0

7.04

67.6

59.2

7.52

62.8

57.0

8.00

62

85.0

66.0

5.64

80.6

64.4

6.12

76.2

62.6

6.58

LEGEND

BF

Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (F)

kW

Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC

Total Capacity (1000 Btuh)

NOTES:

1. Ratings are gross, and do not account for the effects of the indoorfan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 80 F db temperature of air entering the unit. At any other temperature, correct the SHC read from the table of cooling capacities as follows:

Corrected SHC

Btuh

= SHC + [1.10 x (1 – BF) x (F db

– 80) x cfm]

Observe the rule of signs. Above 80 F, SHC correction will be positive; add it to SHC. Below 80 F, SHC correction will be negative; subtract it from SHC.

92.8

44.2

7.86

87.2

42.6

8.38

82.2

41.6

8.98

72

102.8

46.2

6.12

100.2

45.6

6.68

97.4

45.4

7.30

Indoor Air — Cfm/BF

2700/0.07

3000/0.10

Indoor Air — Ewb (F)

67

97.0

61.4

5.94

94.4

61.8

6.54

89.4

60.4

7.04

62

90.4

77.6

5.82

85.8

75.8

6.28

81.0

74.0

6.78

72

105.0

48.4

6.18

102.0

47.8

6.74

98.8

47.6

7.34

67

98.6

65.0

6.00

96.2

65.8

6.60

91.0

64.4

7.10

84.2

59.0

7.58

79.0

57.4

8.08

73.8

55.8

8.60

76.6

71.2

7.28

72.8

68.0

7.78

68.6

64.4

8.32

94.2

46.6

7.94

88.6

45.0

8.44

83.2

43.8

9.00

85.8

62.8

7.62

80.4

61.4

8.16

75.0

59.8

8.66

4. Formulas:

62

92.4

82.2

5.86

88.0

80.2

6.36

83.4

77.4

6.88

79.2

74.2

7.38

75.2

70.6

7.92

71.0

66.8

8.46

72

107.4

50.8

6.26

103.8

50.2

6.82

99.8

49.6

7.38

95.8

49.2

8.00

89.8

47.4

8.50

84.0

46.0

9.04

3350/0.13

67

100.4

68.8

6.06

97.6

69.6

6.64

92.6

68.4

7.16

87.0

66.6

7.66

81.6

65.4

8.20

76.2

63.8

8.72

C ldb

= C edb

SHC

Btuh

1.10 x cfm

Leaving wet bulb = wet bulb temperature corresponding to enthalpy of air leaving coil (h lwb

).

h lwb

= h ewb

TC

Btuh

4.50 x cfm

Where h ewb is enthalpy of air entering indoor coil (Btu/lb).

62

81.8

76.8

7.50

77.8

73.0

8.04

73.4

69.0

8.58

94.2

86.6

5.90

90.2

84.2

6.42

86.0

80.6

6.96

16

COOLING CAPACITIES (ENGLISH) (cont)

50TFQ012

Temp (F)

Outdoor

Entering Air

(Edb)

75

85

95

105

115

125

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

TC

SHC kW

72

110.4

52.0

6.78

106.6

50.6

7.50

103.4

49.6

8.36

99.0

48.0

9.20

94.6

46.4

10.14

89.8

44.8

11.18

2350/0.09

67

102.4

64.8

6.60

98.6

63.2

7.30

95.0

62.0

8.12

91.0

60.6

9.00

86.4

59.0

9.92

81.2

57.0

10.88

86.6

74.2

7.88

82.4

72.4

8.70

78.8

70.4

9.58

73.2

68.0

10.52

62

94.0

77.6

6.40

90.4

75.8

7.10

LEGEND

BF

Bypass Factor

Edb — Entering Dry-Bulb

Ewb — Entering Wet-Bulb Temperature (F)

kW

Compressor Input (kW)

SHC — Sensible Heat Capacity (kW)

TC

Total Capacity (1000 Btuh)

NOTES:

1. Ratings are gross, and do not account for the effects of the indoorfan motor power and heat.

2. Direct interpolation is permissible. Do not extrapolate.

3. SHC is based on 80 F db temperature of air entering the unit. At any other temperature, correct the SHC read from the table of cooling capacities as follows:

Corrected SHC

Btuh

= SHC + [1.10 x (1 – BF) x (F db

– 80) x cfm]

Observe the rule of signs. Above 80 F, SHC correction will be positive; add it to SHC. Below 80 F, SHC correction will be negative; subtract it from SHC.

72

114.6

56.2

6.88

112.0

55.8

7.66

108.0

54.8

8.48

103.8

53.6

9.40

99.0

52.0

10.32

93.4

50.0

11.30

Indoor Air — Cfm/BF

3100/0.14

3400/0.16

67

Indoor Air — Ewb (F)

62 72 67

107.6

73.2

6.72

104.0

72.4

7.48

99.6

70.8

8.24

95.2

69.0

9.08

90.6

68.2

10.08

85.2

66.2

11.04

99.0

89.2

6.52

95.4

88.2

7.26

91.2

85.8

8.04

87.2

83.8

8.88

83.0

80.8

9.78

78.6

77.0

10.78

115.4

57.4

6.92

113.2

57.4

7.70

109.0

56.2

8.50

104.6

55.0

9.40

100.0

53.8

10.36

94.4

52.0

11.34

91.6

71.0

10.10

86.0

69.2

11.08

109.0

76.0

6.76

105.2

75.2

7.50

100.8

73.8

8.28

96.2

72.0

9.12

62

100.4

92.4

6.56

96.8

91.2

7.30

92.8

88.8

8.08

89.0

86.4

8.94

84.8

83.2

9.86

80.6

79.0

10.86

4. Formulas:

C ldb

= C edb

SHC

Btuh

1.10 x cfm

72

116.8

59.6

6.94

114.6

60.0

7.74

110.4

58.8

8.56

105.2

56.8

9.38

101.8

57.0

10.44

96.0

55.2

11.42

3900/0.20

67

111.0

80.8

6.82

107.2

80.2

7.56

102.8

79.2

8.36

98.0

77.4

9.20

93.0

75.6

10.12

87.4

74.4

11.14

Leaving wet bulb = wet bulb temperature corresponding to enthalpy of air leaving coil (h lwb

).

h lwb

= h ewb

TC

Btuh

4.50 x cfm

Where h ewb is enthalpy of air entering indoor coil (Btu/lb).

62

102.4

98.0

6.62

99.0

96.0

7.34

95.4

93.2

8.12

92.2

90.2

9.06

88.2

86.4

10.02

83.6

82.2

11.02

17

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI)

50TFQ008

Return

Air

(C db)

12

15

18

21

24

L/s

(Standard

Air)

Cap.

800 kW

Cap.

1050 kW

Cap.

1200 kW

Cap.

1300 kW

Cap.

800 kW

Cap.

1050 kW

Cap.

1200 kW

Cap.

1300 kW

Cap.

800 kW

Cap.

1050 kW

Cap.

1200 kW

Cap.

1300 kW

Cap.

800 kW

Cap.

1050 kW

Cap.

1200 kW

Cap.

1300 kW

Cap.

800 kW

Cap.

1050 kW

Cap.

1200 kW

Cap.

1300 kW

–20 –16 –12

Air Temperature Entering Outdoor Coil (C)

–8 –4 0 4 8 12 16

8.1

6.9

9.5

8.1

11.0 10.1 12.4 11.3 14.1 12.5 15.8 14.3 17.5 17.3 19.2 19.2 21.2 21.2 23.2 23.2

4.24

4.50

4.74

4.93

5.26

5.54

5.84

6.18

6.54

6.92

8.4

7.1

9.8

8.3

11.2 10.3 12.3 11.7 14.5 12.9 16.2 14.7 18.0 17.8 19.8 19.8 21.8 21.8 23.8 23.8

4.22

4.42

4.64

4.36

5.12

5.36

5.62

5.92

6.20

6.43

8.4

7.2

9.9

8.4

11.3 10.4 13.0 11.8 14.7 13.0 16.4 14.8 18.2 18.0 20.0 20.0 21.8 21.8 23.4 23.4

4.20

4.40

4.60

4.82

5.06

5.30

5.54

5.80

6.04

6.22

8.4

7.3

10.0

8.5

11.4 10.5 13.0 11.9 14.8 13.1 16.5 14.9 18.3 18.2 20.2 20.2 21.8 21.8 23.0 23.0

4.20

4.38

4.58

4.80

5.02

5.24

5.48

5.74

5.94

6.08

7.7

6.5

9.1

7.7

10.6

9.7

12.1 11.0 13.7 12.2 15.4 13.9 17.1 16.9 18.9 18.9 20.8 20.8 22.8 22.8

4.30

4.56

4.82

5.06

5.36

5.66

5.96

6.32

6.70

7.10

7.9

6.7

9.4

8.0

10.9 10.0 12.4 11.3 14.2 12.6 15.9 14.4 17.6 17.5 19.5 19.5 21.4 21.4 23.4 23.4

4.26

4.50

4.72

4.96

5.22

5.48

5.76

6.06

6.38

6.63

8.0

6.8

9.5

8.1

11.0 10.1 12.6 11.4 14.3 12.7 16.1 14.5 17.8 17.7 19.7 19.7 21.6 21.6 23.2 23.2

4.26

4.48

4.70

4.92

5.16

5.42

5.68

6.96

6.22

6.46

8.1

6.9

9.6

8.2

11.1 10.1 12.7 11.5 14.4 12.8 16.2 14.6 17.9 17.8 19.8 19.9 21.6 21.6 23.2 23.2

4.24

4.46

4.68

4.90

5.14

5.38

5.62

5.90

6.14

6.32

7.2

6.1

8.7

7.4

10.2

9.3

11.7 10.6 13.4 11.9 15.0 13.6 16.7 16.6 18.5 18.5 20.4 20.4 22.4 22.4

4.36

4.62

4.88

5.16

5.46

5.78

6.10

6.46

6.86

7.28

7.5

6.4

9.0

7.8

10.5

9.6

12.0 10.9 13.8 12.2 15.5 14.0 17.3 17.1 19.1 19.1 21.2 21.2 23.2 23.2

4.32

4.56

4.82

5.06

5.34

5.62

5.90

6.22

6.56

6.88

7.6

6.5

9.1

7.8

10.6

9.8

12.2 11.1 13.9 12.4 15.7 14.2 17.5 17.3 19.3 19.3 21.4 21.4 23.2 23.2

4.32

4.54

4.78

5.02

5.28

5.54

5.82

6.12

6.42

6.70

7.7

6.5

9.2

7.8

10.7

9.8

12.3 11.2 14.1 12.5 15.8 14.3 17.6 17.5 19.5 19.5 21.4 21.4 23.2 23.2

4.30

4.54

4.76

5.00

5.24

5.50

5.76

6.06

6.34

6.58

6.8

5.8

8.3

7.0

9.8

9.0

11.3 10.3 13.0 11.5 14.6 13.2 16.3 16.2 18.1 18.1 20.2 20.2 22.2 22.2

4.40

4.68

4.96

5.26

5.58

5.88

6.22

6.60

7.02

7.48

7.1

6.0

8.6

7.3

10.2

9.3

11.6 10.6 13.4 11.9 15.2 13.7 16.9 16.8 18.8 18.8 20.8 20.8 22.8 22.8

4.38

4.64

4.90

5.16

5.44

5.74

6.04

6.36

6.72

7.08

7.2

6.1

8.7

7.4

10.3

9.5

11.8 10.7 13.6 12.1 15.4 13.9 17.1 17.0 19.0 19.0 21.0 21.0 23.0 23.0

4.36

4.62

4.88

5.12

5.40

5.68

5.96

6.28

6.60

6.92

7.2

6.1

8.8

7.5

10.4

9.5

11.9 10.8 13.7 12.2 15.5 14.0 17.3 17.1 19.1 19.1 21.2 21.2 23.2 23.2

4.36

4.62

4.86

5.10

5.36

5.64

6.90

6.22

6.52

6.82

6.3

5.3

7.8

6.6

9.3

8.6

10.9

9.9

12.5 11.1 14.2 12.8 15.9 15.7 17.7 17.7 19.7 19.7 21.8 21.8

4.44

4.74

5.04

5.34

5.66

6.00

6.34

6.72

7.16

7.64

6.6

5.6

8.1

6.9

9.7

8.9

11.3 10.2 13.0 11.5 14.7 13.3 16.5 16.4 18.4 18.4 20.4 20.4 22.6 22.6

4.42

4.70

4.98

5.26

5.54

5.86

6.16

6.50

6.90

7.28

6.7

6.7

8.3

7.0

9.9

9.0

11.4 10.4 13.2 11.7 14.9 13.5 16.7 16.6 18.6 18.6 20.6 20.6 22.8 22.8

4.42

4.68

4.96

5.22

5.50

5.80

6.08

6.42

6.76

7.12

6.7

5.7

8.3

7.1

9.9

9.1

11.5 10.5 13.3 11.8 15.1 13.0 16.9 16.7 18.8 18.8 20.8 20.8 22.8 22.8

4.42

4.68

4.94

5.20

5.48

5.76

6.04

6.36

6.70

7.02

LEGEND

Cap.

Heating Capacity (kW) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

18

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)

50TFQ009

Return

Air

(C db)

12

15

18

21

24

L/s

(Standard

Air)

Cap.

900 kW

Cap.

1150 kW

Cap.

1400 kW

Cap.

1500 kW

Cap.

900 kW

Cap.

1150 kW

Cap.

1400 kW

Cap.

1500 kW

Cap.

900 kW

Cap.

1150 kW

Cap.

1400 kW

Cap.

1500 kW

Cap.

900 kW

Cap.

1150 kW

Cap.

1400 kW

Cap.

1500 kW

Cap.

900 kW

Cap.

1150 kW

Cap.

1400 kW

Cap.

1500 kW

–20 –16 –12

Air Temperature Entering Outdoor Coil (C)

–8 –4 0 4 8 12 16

9.4

8.0

11.0

9.4

12.7 11.6 14.6 13.3 16.6 14.7 18.6 16.8 20.8 20.6 22.8 22.8 25.2 25.2 27.8 27.8

4.94

5.20

5.46

5.78

6.10

6.44

6.80

7.18

7.64

8.12

9.7

8.2

11.3

9.6

13.0 11.9 14.9 13.6 17.0 15.1 19.1 17.2 21.2 21.0 23.4 23.4 26.0 26.0 28.6 28.6

4.90

5.14

5.38

5.66

5.96

6.26

6.56

6.90

7.30

7.72

9.8

8.4

11.5

9.8

13.2 12.1 15.2 13.8 17.3 15.3 19.3 17.5 21.6 21.4 23.8 23.8 26.4 26.4 29.0 29.0

4.86

5.08

5.32

5.58

5.86

6.12

6.42

6.72

7.08

7.46

9.9

8.4

11.5

9.8

13.2 12.1 15.3 13.9 17.3 15.3 19.4 17.5 21.6 21.4 23.8 23.8 26.4 26.4 29.0 29.0

4.86

5.08

5.30

5.58

5.84

6.12

6.42

6.68

7.04

7.42

8.9

7.6

10.6

9.0

12.3 11.2 14.1 12.8 16.1 14.3 18.2 16.5 20.2 20.0 22.4 22.4 24.8 24.8 27.4 27.4

5.02

5.30

5.58

5.90

6.26

6.60

6.96

7.38

7.34

8.34

9.2

7.8

10.9

9.2

12.6 11.5 14.5 13.2 16.6 14.7 18.6 16.8 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

4.93

5.24

5.50

5.78

6.10

6.42

6.74

7.10

7.52

7.94

9.3

7.9

11.1

9.4

12.8 11.7 14.8 13.4 16.8 15.0 18.9 17.1 21.2 21.0 23.4 23.4 26.0 26.0 28.6 28.6

4.94

5.20

5.44

5.72

6.00

6.30

6.60

6.92

7.28

7.68

9.4

8.0

11.1

9.4

12.8 11.8 14.8 13.5 16.9 15.0 19.0 17.2 21.2 21.0 23.4 23.4 26.0 26.0 26.8 28.8

4.94

5.18

5.42

5.70

5.93

6.28

6.56

6.88

7.26

7.64

8.4

7.2

10.1

8.6

11.8 10.9 13.7 12.4 15.7 13.9 17.7 16.0 19.7 19.6 22.0 22.0 24.4 24.4 26.2 26.2

5.10

5.40

5.70

6.02

6.40

6.76

7.14

7.56

8.06

8.56

8.7

7.4

10.4

8.8

12.2 11.2 14.1 12.8 16.1 14.3 18.2 16.5 20.4 20.2 22.6 22.6 25.0 25.0 27.6 27.6

5.06

5.34

5.62

5.92

6.24

6.58

6.92

7.30

7.72

8.18

8.8

7.5

10.6

9.0

12.4 11.4 14.3 13.0 16.4 14.6 18.5 16.8 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

5.04

5.30

5.56

5.84

6.16

6.46

6.78

7.10

7.30

7.92

8.9

7.5

10.6

9.0

12.4 11.4 14.4 13.1 16.5 14.6 18.6 16.3 20.8 20.6 23.0 23.0 25.6 25.6 28.2 28.2

5.04

5.30

5.56

5.84

6.14

6.44

6.74

7.08

7.46

7.86

7.9

6.7

9.7

8.2

11.4 10.5 13.2 12.0 15.2 13.5 17.3 15.6 19.2 19.1 21.6 21.6 24.0 24.0 26.4 26.4

5.18

5.50

5.82

6.16

6.54

6.92

7.30

7.76

8.26

8.30

8.2

6.9

10.0

8.5

11.3 10.8 13.6 12.4 15.7 14.0 17.8 16.1 19.9 19.7 22.2 22.2 24.6 24.6 27.2 27.2

5.14

5.44

5.74

6.06

6.40

6.74

7.10

7.48

7.94

8.40

8.3

7.1

10.2

8.6

12.0 11.0 13.9 12.6 15.0 14.2 18.1 16.4 20.4 20.2 22.6 22.6 25.2 25.2 27.8 27.8

5.12

5.40

5.70

5.98

6.30

6.62

6.92

7.30

7.72

8.14

8.4

7.1

10.2

8.7

12.0 11.0 13.9 12.7 16.1 14.3 18.2 16.4 20.4 20.2 22.6 22.6 25.2 25.2 27.8 27.8

5.12

5.40

5.68

5.98

6.28

6.60

6.92

7.28

7.68

8.10

7.3

6.2

9.1

7.7

10.9 10.6 12.8 11.6 14.7 13.1 16.7 15.1 18.7 18.6 21.0 21.0 23.4 23.4 26.0 26.0

5.24

5.58

5.94

6.30

6.68

7.08

7.48

7.94

8.43

9.02

7.6

6.4

9.4

8.0

11.3 10.3 13.2 12.0 15.2 13.5 17.3 15.6 19.4 19.2 21.8 21.8 24.2 24.2 26.8 26.8

5.22

5.54

5.86

6.20

6.54

6.90

7.28

7.63

8.14

8.64

7.7

6.6

9.6

8.2

11.5 10.5 13.4 12.2 15.5 13.8 17.6 15.9 19.8 19.6 22.2 22.2 24.6 24.6 27.2 27.2

5.20

5.50

5.80

6.12

6.46

6.78

7.12

7.50

7.94

8.38

7.8

6.6

9.6

8.2

11.5 10.6 13.5 12.3 15.6 13.8 17.7 16.0 19.8 19.7 22.2 22.2 24.8 24.8 27.4 27.4

5.20

5.50

5.80

6.10

6.44

6.76

7.10

7.48

7.90

8.34

LEGEND

Cap.

Heating Capacity (kW) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

19

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (SI) (cont)

50TFQ012

Return

Air

(C db)

12

15

18

21

24

L/s

(Standard

Air)

–20 –16 –12

Air Temperature Entering Outdoor Coil (C)

–8 –4 0 4 8 12 16

Cap.

11.5

9.8

13.2 11.2 14.9 13.7 16.8 15.3 18.9 16.8 21.0 19.0 23.2 23.0 25.4 25.4 28.0 28.0 30.6 30.6

1000 kW

5.80

6.02

6.24

6.48

6.76

7.04

7.34

7.68

8.10

8.56

Cap.

11.5

9.7

13.3 11.3 15.1 13.9 17.1 15.5 19.2 17.0 21.4 19.2 23.4 23.2 25.8 25.8 28.4 28.4 31.0 31.0

1300 kW

5.64

5.82

6.00

6.20

6.44

6.66

6.92

7.22

7.56

7.94

Cap.

11.5

9.8

13.4 11.4 15.3 14.0 17.2 15.6 19.3 17.2 21.4 19.4 23.6 23.4 25.3 25.3 28.6 28.6 31.2 31.2

1600 kW

5.54

5.70

5.86

6.04

6.24

6.44

6.66

6.92

7.22

7.54

Cap.

11.2

9.5

12.9 10.9 14.6 13.4 16.5 15.0 18.6 16.5 20.8 18.7 23.0 22.8 25.2 25.2 27.8 27.8 30.4 30.4

1000 kW

6.06

6.28

6.52

6.78

7.06

7.36

7.68

8.04

8.48

8.96

Cap.

11.2

9.6

13.0 11.1 14.8 13.6 16.8 15.3 18.9 16.8 21.0 19.0 23.2 23.0 25.4 25.4 28.0 28.0 30.8 30.8

1300 kW

5.90

6.08

6.28

6.50

6.74

6.98

7.24

7.54

7.90

8.30

Cap.

11.4

9.6

13.1 11.2 14.9 13.7 16.9 15.4 19.1 16.9 21.2 19.2 23.4 23.2 25.6 25.6 28.4 28.4 31.0 31.0

1600 kW

5.80

5.96

6.12

6.32

6.52

6.74

6.96

7.22

7.54

7.88

Cap.

10.8

9.2

12.6 10.7 14.3 13.1 16.2 14.7 18.3 16.3 20.4 18.5 22.6 22.4 24.8 24.8 27.4 27.4 30.2 30.2

1000 kW

6.30

6.54

6.80

7.06

7.38

7.70

8.04

8.40

8.86

9.36

Cap.

11.0

9.4

12.8 10.8 14.5 13.3 16.5 15.0 18.6 16.6 20.8 18.8 23.0 22.8 25.2 25.2 27.8 27.8 30.6 30.6

1300 kW

6.16

6.34

6.54

6.78

7.04

7.30

7.56

7.88

8.26

8.66

Cap.

11.2

9.5

12.9 10.9 14.6 13.4 16.7 15.2 18.8 16.7 21.0 19.0 23.2 23.0 25.4 25.4 28.2 28.2 30.8 30.8

1600 kW

6.06

6.22

6.40

6.60

6.82

7.04

7.28

7.54

7.86

8.22

Cap.

10.5

8.9

12.3 10.4 14.0 12.9 15.9 14.4 18.0 16.0 20.2 18.2 22.4 22.2 24.6 24.6 27.2 27.2 29.8 29.8

1000 kW

6.56

6.32

7.08

7.36

7.68

8.02

8.38

8.76

9.24

9.74

Cap.

10.8

9.2

12.5 10.6 14.2 13.0 16.2 14.8 18.4 16.3 20.6 18.6 22.8 22.6 25.0 25.0 27.6 27.6 30.4 30.4

1300 kW

6.42

6.62

6.82

7.06

7.34

7.60

7.90

8.20

8.60

9.02

Cap.

11.0

9.3

12.6 10.7 14.3 13.1 16.4 14.9 18.6 18.5 20.8 18.8 23.0 22.8 25.2 25.2 27.8 27.8 30.6 30.6

1600 kW

6.30

6.48

6.66

6.88

7.10

7.34

7.58

7.86

8.20

8.56

Cap.

10.1

8.6

11.9 10.1 13.7 12.6 15.5 14.1 17.6 15.7 19.8 17.9 22.0 21.8 24.2 24.2 26.8 26.8 29.6 29.6

1000 kW

6.82

7.10

7.38

7.66

8.02

8.38

8.74

9.16

9.66

10.11

Cap.

10.4

8.8

12.1 10.3 13.9 12.7 15.8 14.4 18.0 16.0 20.2 18.3 22.4 22.2 24.8 24.8 27.4 27.4 30.0 30.0

1300 kW

6.66

6.90

7.12

7.36

7.66

7.96

8.26

8.58

8.98

9.42

Cap.

10.5

9.0

12.3 10.4 14.0 12.9 16.0 14.6 18.3 16.2 20.6 18.5 22.8 22.6 25.0 25.0 27.6 27.6 30.4 30.4

1600 kW

6.56

6.76

6.96

7.18

7.42

7.68

7.94

8.22

8.56

8.94

LEGEND

Cap.

Heating Capacity (kW) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

20

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH)

50TFQ008

Return

Air

(F db)

55

70

80

Cfm

(Standard

Air)

0 10 17

Air Temperature Entering Outdoor Coil (F)

30 40 47 50 60

Cap.

30.2

25.6

37.0

34.0

41.8

38.0

52.0

45.6

60.0

60.0

66.0

66.0

68.8

68.8

78.0

78.0

1650 kW

4.40

4.74

4.98

5.48

5.90

6.24

6.40

6.92

Cap.

31.0

26.4

37.8

34.8

43.0

39.2

53.6

47.0

61.8

61.8

68.0

68.0

70.8

70.8

79.8

79.8

2200 kW

4.34

4.64

4.88

5.32

5.70

5.98

6.10

6.50

Cap.

31.4

26.8

38.2

35.2

43.6

39.8

54.2

47.6

62.6

62.6

68.8

68.8

71.8

71.8

78.8

78.8

2600 kW

4.32

4.60

4.82

5.24

5.58

5.84

5.98

6.22

Cap.

31.6

26.8

38.4

35.2

43.8

40.0

54.4

47.8

62.8

62.8

69.2

69.2

72.2

72.2

78.4

78.4

2750 kW

4.32

4.60

4.80

5.22

5.54

5.80

5.92

6.12

Cap.

26.0

22.2

33.2

30.4

38.4

35.0

48.4

42.4

56.4

56.4

62.4

62.4

65.2

65.2

74.6

74.6

1650 kW

4.56

4.96

5.24

5.80

6.26

6.64

6.80

7.42

Cap.

27.2

23.0

34.4

31.6

39.4

35.8

50.2

44.0

58.6

58.6

64.6

64.6

67.4

67.4

77.0

77.0

2200 kW

4.52

4.90

5.14

5.66

6.08

6.40

6.56

7.06

Cap.

27.6

23.4

35.0

32.2

40.0

36.4

51.0

44.6

59.4

59.4

65.6

65.6

68.4

68.4

78.0

78.0

2600 kW

4.50

4.86

5.10

5.58

5.98

6.28

6.42

6.86

Cap.

27.8

23.6

35.2

32.4

40.2

36.6

51.2

44.8

59.8

59.8

66.0

66.0

68.8

68.8

78.4

78.4

2750 kW

4.50

4.86

5.08

5.56

5.94

6.24

6.38

6.80

Cap.

23.0

19.6

30.4

27.8

35.6

32.4

45.4

39.8

53.4

53.4

59.6

59.6

62.4

62.4

72.0

72.0

1650 kW

4.66

5.08

5.38

6.00

6.48

6.88

7.06

7.72

Cap.

24.0

20.4

31.6

29.0

37.0

33.8

47.4

41.4

55.8

55.8

62.2

62.2

65.0

65.0

75.0

75.0

2200 kW

4.62

5.02

5.32

5.86

6.32

6.66

6.82

7.40

Cap.

24.4

20.8

32.2

29.6

37.6

34.4

48.2

45.2

56.8

56.8

63.2

63.2

66.0

66.0

75.8

75.8

2600 kW

4.62

5.00

5.28

5.80

6.22

6.56

6.72

7.22

Cap.

24.6

21.0

32.4

29.8

37.8

34.6

48.6

42.6

57.2

57.2

63.6

63.6

66.4

66.4

76.2

76.2

2750 kW

4.60

5.00

5.26

5.78

6.20

6.52

6.66

7.16

LEGEND

Cap.

Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

21

Performance data (cont)

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)

50TFQ009

Return

Air

(F db)

55

70

80

Cfm

(Standard

Air)

0 10 17

Air Temperature Entering Outdoor Coil (F)

30 40 47 50 60

Cap.

35.0

29.8

42.6

39.2

49.0

44.6

61.2

53.6

71.2

71.2

78.2

78.2

81.6

81.6

93.4

93.4

1850 kW

5.12

5.48

5.78

6.38

6.88

7.26

7.44

8.12

Cap.

35.8

30.4

43.6

40.0

50.0

45.6

62.8

55.0

72.8

72.8

80.2

80.2

83.6

83.6

96.0

96.0

2500 kW

5.06

5.40

5.66

6.20

6.64

6.98

7.14

7.72

Cap.

36.4

31.0

44.4

40.8

51.2

46.6

63.8

55.8

74.0

74.0

81.4

81.4

85.0

85.0

98.0

98.0

3000 kW

5.00

5.32

5.60

6.08

6.48

6.78

6.94

7.46

Cap.

36.6

31.0

44.6

40.8

51.2

46.8

64.0

56.0

74.2

74.2

81.6

81.6

85.2

85.2

98.2

98.2

3200 kW

5.00

5.32

5.58

6.06

6.46

6.76

6.90

7.42

Cap.

30.4

25.8

38.8

35.6

44.6

40.6

57.2

50.0

66.4

66.4

74.2

74.2

77.6

77.6

89.2

89.2

1850 kW

5.36

5.82

6.12

6.82

7.36

7.80

8.00

8.74

Cap.

31.4

26.6

39.8

36.6

46.0

42.0

58.8

51.6

68.8

68.8

76.2

76.2

79.6

79.6

91.8

91.8

2500 kW

5.32

5.74

6.02

6.66

7.14

7.52

7.70

8.36

Cap.

32.0

27.2

40.6

37.4

47.0

42.8

60.0

52.6

70.2

70.2

77.8

77.8

81.2

81.2

93.6

93.6

3000 kW

5.28

5.68

5.96

6.54

6.98

7.34

7.50

8.10

Cap.

32.2

27.2

40.8

37.4

42.0

42.8

60.2

52.6

70.4

70.4

77.8

77.8

81.4

81.4

93.8

93.8

3200 kW

5.28

5.66

5.94

6.52

6.98

7.30

7.48

8.06

Cap.

26.6

22.6

35.4

32.6

41.8

38.0

53.6

47.0

63.4

63.4

70.6

70.6

74.4

74.4

86.2

86.2

1850 kW

5.50

6.00

6.38

7.10

7.68

8.14

8.40

9.16

Cap.

27.6

23.6

36.6

33.6

43.2

39.4

55.4

48.6

65.4

65.4

73.2

73.2

76.8

76.8

88.8

88.8

2500 kW

5.46

5.94

6.28

6.94

7.46

7.90

8.10

8.78

Cap.

28.4

24.2

37.4

34.4

44.0

40.2

56.8

49.8

67.0

67.0

75.0

75.0

78.4

78.4

90.8

90.8

3000 kW

5.44

5.88

6.22

6.82

7.32

7.70

7.88

8.52

Cap.

28.4

24.2

37.6

34.4

44.2

40.2

57.0

49.8

67.2

67.2

75.2

75.2

78.6

78.6

91.0

91.0

3200 kW

5.44

5.88

6.20

6.82

7.30

7.68

7.86

8.48

LEGEND

Cap.

Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

22

INSTANTANEOUS AND INTEGRATED HEATING RATINGS (ENGLISH) (cont)

50TJQ012

Return

Air

(F db)

55

70

80

Cfm

(Standard

Air)

0 10 17

Air Temperature Entering Outdoor Coil (F)

30 40 47 50 60

Cap.

42.2

36.0

50.4

46.2

56.8

51.8

69.6

61.0

79.8

79.8

87.2

87.2

90.6

90.6

103.2

103.2

2100 kW

6.00

6.30

6.54

7.04

7.46

7.80

7.98

8.62

Cap.

42.6

36.2

51.2

47.0

57.6

52.4

70.4

61.8

80.8

80.8

88.2

88.2

91.8

91.8

104.6

104.6

2800 kW

5.80

6.06

6.26

6.68

7.04

7.32

7.46

7.98

Cap.

42.8

36.4

51.6

47.4

58.0

52.8

71.0

62.2

81.4

81.4

88.8

88.8

92.4

92.4

105.4

105.4

3400 kW

5.68

5.92

6.08

6.44

6.76

7.02

7.14

7.58

Cap.

43.0

36.6

51.6

47.4

58.0

53.0

71.2

62.4

81.6

81.6

89.0

89.0

92.6

92.6

105.8

105.8

3600 kW

5.66

5.88

6.04

6.40

6.70

6.94

7.06

7.50

Cap.

39.2

33.4

47.6

43.6

53.6

48.8

66.8

58.6

77.0

77.0

84.6

84.6

88.0

88.0

100.8

100.8

2100 kW

6.72

7.06

7.34

7.94

8.42

8.82

9.00

9.70

Cap.

40.2

34.2

48.0

44.0

54.8

50.0

68.0

59.6

78.4

78.4

86.0

86.0

89.6

89.6

102.6

102.6

2800 kW

6.54

6.82

7.06

7.54

7.94

8.26

8.40

9.00

Cap.

40.6

34.6

48.6

44.6

55.6

50.6

68.8

60.4

79.2

79.2

86.8

86.8

90.6

90.6

103.4

103.4

3400 kW

6.42

6.66

6.86

7.28

7.62

7.88

8.02

8.52

Cap.

40.6

34.4

48.8

44.8

55.6

50.8

69.0

60.4

79.4

79.4

87.0

87.0

90.6

90.6

103.6

103.6

3600 kW

6.38

6.62

6.82

7.22

7.54

7.80

7.94

8.42

Cap.

36.6

31.2

45.4

41.8

51.0

46.4

64.6

56.6

74.8

74.8

82.4

82.4

86.2

86.2

98.6

98.6

2100 kW

7.20

7.62

7.90

8.58

9.12

9.56

9.76

10.50

Cap.

37.6

32.0

46.2

42.4

52.2

47.6

66.0

57.8

76.4

76.4

84.0

84.0

87.8

87.8

100.6

100.6

2800 kW

7.04

7.38

7.62

8.18

8.60

8.96

9.12

9.72

Cap.

38.2

32.6

46.8

43.0

53.2

48.4

67.0

58.8

77.4

77.4

85.2

85.2

88.8

88.8

101.8

101.8

3400 kW

6.92

7.20

7.42

7.90

8.26

8.56

8.70

9.22

Cap.

38.4

32.6

47.0

43.0

53.4

48.6

67.2

58.8

77.8

77.8

85.4

85.4

89.0

89.0

102.0

102.0

3600 kW

6.88

7.16

7.38

7.84

8.20

8.48

8.60

9.12

LEGEND

Cap.

Heating Capacity (1000 Btuh) (includes indoor-fan motor heat)

db

Dry Bulb

kW

Total Power Input (includes compressor motor power input, outdoor-fan motor input and indoor-fan motor input)

NOTES:

1.

indicates integrated ratings.

2. Integrated capacity is maximum (instantaneous) capacity less the effect of frost on the outdoor coil and the heat required to defrost it.

23

Performance data (cont)

FAN PERFORMANCE (SI) — VERTICAL DISCHARGE UNITS

50TFQ008,009 (26.4 AND 29.9 kW)

Airflow

(L/s)

1100

1200

1300

1400

1500

1600

1700

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

8.7

0.42

10.1

0.59

11.1

0.75

12.2

0.93

13.1

1.12

14.0

1.30

14.8

1.51

15.7

1.77

16.4

2.02

17.2

2.35

9.3

0.52

10.5

0.69

11.6

0.87

12.6

1.05

13.5

1.26

14.3

1.46

15.1

1.66

15.9

1.88

16.7

2.14

17.4

2.44

9.8

0.54

11.0

0.81

12.1

1.01

13.0

1.20

13.9

1.41

14.7

1.63

15.5

1.84

16.2

1.98

16.9

2.29

17.6

2.56

10.4

0.77

11.5

0.94

12.6

1.16

13.5

1.37

14.3

1.58

15.1

1.80

15.9

2.04

16.6

2.27

17.3

2.51

— —

11.0

0.92

12.0

1.10

13.0

1.33

13.9

1.56

14.7

1.78

15.5

2.00

16.3

2.25

17.0

2.50

11.6

1.08

12.6

1.28

13.5

1.50

14.4

1.76

15.2

2.00

16.0

2.23

16.7

2.47

— — —

12.2

1.26

13.1

1.48

14.0

1.70

14.9

1.97

15.7

2.23

16.4

2.48

— — — — —

LEGEND

BkW — Motor Brake (Output) Power (kW)

R/s

Fan Wheel Speed, Revolutions per Second

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 1.79 with standard

1.12-BkW motor. Extensive motor and electrical testing on these units ensures that the full brakepower range of the motor can be utilized with confidence. Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 10.33 to 14.67 r/s. All other r/s’s will require a field-supplied drive.

50TFQ012 (35.2 kW)

Airflow

(L/s)

1300

1400

1500

1600

1700

1800

1900

2000

2100

2200

2300

50 100 150 200

External Static Pressure (Pa)

250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

8.4

0.37

9.6

0.51

10.8

0.61

11.7

0.69

12.6

0.81

13.3

0.90

14.3

1.05

15.1

1.27

15.9

1.48

16.7

1.67

8.8

0.46

10.0

0.59

11.1

0.71

12.0

0.82

12.9

0.93

13.7

1.04

14.5

1.17

15.4

1.35

16.2

1.56

16.8

1.75

9.2

0.55

10.4

0.68

11.5

0.81

12.4

0.94

13.2

1.06

14.0

1.19

14.8

1.26

15.6

1.44

16.4

1.62

17.1

1.83

9.7

0.65

10.8

0.79

11.8

0.93

12.8

1.07

13.6

1.19

14.4

1.33

15.1

1.46

15.8

1.59

16.5

1.72

17.3

1.91

10.2

0.75

11.2

0.91

12.2

1.06

13.1

1.20

13.9

1.34

14.7

1.48

15.4

1.63

16.1

1.76

16.7

1.89

17.4

2.04

10.6

0.87

11.7

1.05

12.6

1.20

13.5

1.35

14.3

1.51

15.0

1.65

15.7

1.80

16.4

1.95

17.1

2.10

17.7

2.24

11.1

1.01

12.1

1.19

13.0

1.35

13.9

1.52

14.7

1.68

15.4

1.84

16.1

1.99

16.8

2.14

17.4

2.31

18.0

2.46

11.6

1.16

12.5

1.35

13.4

1.52

14.3

1.69

15.0

1.86

15.8

2.04

16.5

2.21

17.1

2.36

17.7

2.53

12.0

1.32

13.0

1.53

13.8

1.70

14.6

1.88

15.4

2.07

16.1

2.25

16.8

2.43

— — — — —

12.5

1.50

13.4

1.71

14.3

1.91

15.1

2.09

15.8

2.29

16.5

2.48

13.0

1.70

13.9

1.91

14.7

2.13

15.5

2.31

16.2

2.52

— — —

LEGEND

BkW — Motor Brake (Output) Power (kW)

R/s

Fan Wheel Speed, Revolutions per Second

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 2.16 with standard

1.50-BkW motor. Extensive motor and electrical testing on these units ensures that the full brakepower range of the motor can be utilized with confidence. Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 11.50 to 15.00 r/s. All other r/s’s will require a field-supplied drive.

24

FAN PERFORMANCE (SI) — HORIZONTAL DISCHARGE UNITS

50TFQ008,009 (26.4 AND 29.9 kW)

Airflow

(L/s)

1100

1200

1300

1400

1500

1600

1700

50 100 150 200

External Static Pressure (Pa)

250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

7.9

0.35

9.4

0.50

10.6

0.68

11.7

0.85

12.7

1.03

13.6

1.25

14.4

1.46

14.9

1.69

15.1

1.92

15.0

2.15

8.3

0.42

9.8

0.59

11.0

0.78

12.0

0.95

13.0

1.15

13.9

1.36

14.8

1.58

15.5

1.82

16.0

2.06

16.4

2.31

8.8

0.51

10.2

0.69

11.3

0.88

12.4

1.08

13.3

1.28

14.2

1.49

15.0

1.72

15.8

1.96

16.5

2.21

17.1

2.47

9.2

0.60

10.6

0.80

11.7

0.99

12.7

1.22

13.7

1.42

14.5

1.63

15.3

1.87

16.1

2.12

16.9

2.38

9.7

0.71

11.0

0.91

12.1

1.12

13.0

1.35

14.0

1.59

14.8

1.81

15.6

2.04

16.4

2.30

— — —

10.1

0.82

11.3

1.04

12.5

1.28

13.4

1.49

14.3

1.75

15.2

2.00

15.9

2.24

10.6

0.93

11.8

1.20

12.9

1.44

13.8

1.67

14.7

1.92

15.5

2.20

— — —

LEGEND

BkW — Motor Brake (Output) Power (kW)

R/s

Fan Wheel Speed, Revolutions per Second

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 1.79 with standard

1.12-BkW motor. Extensive motor and electrical testing on these units ensures that the full brakepower range of the motor can be utilized with confidence. Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 10.33 to 14.67 r/s. All other r/s’s will require a field-supplied drive.

50TFQ012 (35.2 kW)

Airflow

(L/s)

1300

1400

1500

1600

1700

1800

1900

2000

2100

2200

2300

External Static Pressure (Pa)

50 100 150 200 250 300 350 400 450 500

R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW R/s BkW

7.6

0.30

8.9

0.41

10.2

0.56

11.1

0.64

12.1

0.77

13.1

0.92

13.9

0.93

14.0

0.52

15.0

1.13

15.6

1.32

8.0

0.40

9.3

0.51

10.5

0.64

11.4

0.75

12.4

0.88

13.3

1.01

14.1

1.11

14.6

0.96

15.4

1.32

16.0

1.42

8.4

0.48

9.6

0.60

10.7

0.72

11.8

0.86

12.7

0.99

13.5

1.12

14.3

1.26

15.1

1.35

15.7

1.49

16.4

1.54

8.8

0.58

10.0

0.69

11.1

0.82

12.1

0.96

12.9

1.10

13.8

1.24

14.5

1.38

15.3

1.54

16.0

1.64

16.7

1.72

9.1

0.69

10.3

0.78

11.3

0.93

12.3

1.07

13.2

1.22

14.0

1.37

14.8

1.52

15.5

1.66

16.3

1.84

17.0

1.95

9.5

0.81

10.7

0.90

11.7

1.05

12.6

1.20

13.5

1.36

14.3

1.52

15.0

1.67

15.8

1.83

16.4

1.99

17.2

2.17

9.9

0.95

11.0

1.02

12.0

1.18

12.9

1.34

13.8

1.50

14.6

1.68

15.3

1.83

16.0

2.00

16.7

2.16

17.3

2.33

10.3

1.11

11.4

1.17

12.3

1.32

13.2

1.48

14.1

1.66

14.9

1.83

15.6

2.01

16.3

2.18

17.0

2.36

17.6

2.53

10.7

1.29

11.8

1.33

12.7

1.47

13.5

1.65

14.4

1.84

15.1

2.00

15.9

2.20

16.6

2.38

11.2

1.48

12.1

1.51

13.1

1.64

13.9

1.83

14.6

2.01

15.4

2.20

16.2

2.38

— — —

11.6

1.70

12.5

1.71

13.4

1.83

14.2

2.01

15.0

2.20

15.7

2.41

— — — — —

LEGEND

BkW — Motor Brake (Output) Power (kW)

R/s

Fan Wheel Speed, Revolutions per Second

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable output power (BkW) is 2.16 with standard

1.50-BkW motor. Extensive motor and electrical testing on these units ensures that the full brakepower range of the motor can be utilized with confidence. Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 11.50 to 15.00 r/s. All other r/s’s will require a field-supplied drive.

25

Performance data (cont)

FAN PERFORMANCE (ENGLISH) — VERTICAL DISCHARGE UNITS

50TFQ008,009 (7 1 /

2

AND 8 1 /

2

TONS)

Airflow

(Cfm)

2200

2400

2600

2800

3000

3200

3400

3600

3800

0.2

0.4

0.6

0.8

External Static Pressure (in. wg)

1.0

1.2

1.4

1.6

1.8

2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

503 0.50

585 0.71

653 0.92

716 1.15

772 1.38

824 1.63

884 1.95

934 2.30

916 2.64 1019 3.09

534 0.61

613 0.84

677 1.06

738 1.30

794 1.55

844 1.81

892 2.08

944 2.40

987 2.76 1039 3.20

565 0.74

639 0.97

703 1.20

761 1.46

816 1.74

866 2.01

913 2.29

957 2.58 1004 2.91 1050 3.31

597 0.89

665 1.12

731 1.40

786 1.66

839 1.93

889 2.23

935 2.52

978 2.62 1019 3.13 1061 3.47

629 1.06

694 1.29

759 1.59

812 1.88

862 2.15

911 2.46

957 2.78 1000 3.09 1040 3.41

— —

662 1.25

724 1.50

785 1.80

840 2.11

887 2.41

934 2.71

980 3.04 1022 3.38

696 1.46

756 1.73

811 2.02

868 2.37

914 2.69

959 3.00 1003 3.32

— — —

729 1.69

787 1.98

839 2.27

894 2.64

942 2.99

984 3.32

763 1.95

819 2.27

869 2.56

920 2.92

970 3.31

— — —

LEGEND

Bhp

Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.40 with standard 1.5-hp motor. Extensive motor and electrical testing on these units ensures that the full horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 620 to 880 rpm. All other rpm’s will require a field-supplied drive.

50TFQ012 (10 TONS)

Airflow

(Cfm)

3000

3200

3400

3600

3800

4000

4200

4400

4600

4800

5000

0.2

0.4

0.6

0.8

External Static Pressure (in. wg)

1.0

1.2

1.4

1.6

1.8

2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

532 0.64

605 0.81

670 0.97

725 1.12

778 1.28

825 1.43

874 1.60

926 1.82

974 2.11 1012 2.36

557 0.75

628 0.93

690 1.10

746 1.28

796 1.44

844 1.61

888 1.70

934 1.94

988 2.18 1025 2.47

583 0.88

651 1.06

711 1.25

767 1.44

815 1.61

863 1.79

907 1.97

947 2.14

991 2.32 1038 2.57

609 1.01

674 1.22

732 1.42

787 1.61

836 1.80

880 1.98

926 2.18

966 2.36 1004 2.54 1045 2.74

535 1.16

698 1.39

755 1.59

808 1.80

857 2.01

901 2.20

943 2.39

985 2.60 1023 2.79 1059 2.98

662 1.33

722 1.57

778 1.78

829 2.01

878 2.22

922 2.44

962 2.63 1003 2.84 1042 3.06 1078 3.26

689 1.52

746 1.77

801 1.99

851 2.23

898 2.45

943 2.69

983 2.91 1021 3.11 1060 3.34

— —

715 1.72

772 1.99

825 2.22

873 2.46

919 2.71

963 2.94 1004 3.19 1042 3.41

742 1.94

797 2.22

848 2.48

896 2.72

940 2.98

984 3.22 1025 3.48

— — —

770 2.18

823 2.46

872 2.75

919 3.00

963 3.27

797 2.44

849 2.73

897 3.04

943 3.30

— — —

LEGEND

Bhp

Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.90 with standard 2.0-hp motor. Extensive motor and electrical testing on these units ensures that the full horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 690 to 900 rpm. All other rpm’s will require a field-supplied drive.

26

FAN PERFORMANCE (ENGLISH) — HORIZONTAL DISCHARGE UNITS

50TFQ008,009 (7 1 /

2

AND 8 1 /

2

TONS)

AIRFLOW

(Cfm)

2200

2400

2600

2800

3000

3200

3400

3600

3800

0.2

0.4

0.6

0.8

External Static Pressure (in. wg)

1.0

1.2

1.4

1.6

1.8

2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

459 0.42

549 0.62

625 0.83

691 1.06

753 1.31

805 1.58

842 1.87

857 2.16

851 2.45

823 2.70

482 0.50

569 0.71

645 0.95

708 1.18

768 1.40

824 1.72

872 2.01

909 2.32

931 2.64

935 2.96

507 0.59

592 0.82

663 1.08

727 1.32

784 1.58

839 1.87

891 2.17

936 2.49

973 2.82

999 3.16

533 0.71

615 0.95

683 1.20

747 1.49

802 1.75

855 2.04

906 2.35

954 2.67

997 3.01 1034 3.36

559 0.83

637 1.09

704 1.35

765 1.66

823 1.94

872 2.22

921 2.54

969 2.88 1014 3.22

— —

585 0.96

660 1.24

727 1.52

785 1.83

841 2.15

892 2.45

939 2.76

984 3.10

610 1.10

682 1.41

750 1.72

806 2.01

860 2.36

912 2.69

958 3.01 1002 3.34

636 1.25

707 1.60

772 1.93

828 2.23

880 2.57

930 2.95

978 3.29

661 1.41

733 1.82

795 2.15

852 2.48

901 2.80

949 3.20

— — —

LEGEND

Bhp

Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.40 with standard 1.5-hp motor. Extensive motor and electrical testing on these units ensures that the full horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 620 to 880 rpm. All other rpm’s will require a field-supplied drive.

50TFQ012 (10 TONS)

Airflow

(Cfm)

3000

3200

3400

3600

3800

4000

4200

4400

4600

4800

5000

0.2

0.4

0.6

0.8

External Static Pressure (in. wg)

1.0

1.2

1.4

1.6

1.8

2.0

Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp Rpm Bhp

484 0.55

560 0.70

631 0.87

690 1.03

747 1.20

800 1.38

850 1.52

879 1.38

925 1.81

964 1.92

505 0.66

579 0.81

646 0.98

708 1.16

761 1.34

812 1.51

862 1.71

908 1.85

944 2.01

984 2.09

527 0.78

599 0.93

664 1.11

724 1.30

775 1.48

827 1.67

873 1.85

920 2.07

963 2.21 1001 2.31

548 0.92

619 1.05

680 1.24

738 1.43

794 1.64

840 1.83

888 2.04

931 2.23

976 2.47 1017 2.62

571 1.08

639 1.19

698 1.39

756 1.60

810 1.81

856 2.02

901 2.23

945 2.44

986 2.65 1029 2.89

593 1.25

659 1.35

717 1.56

773 1.78

823 1.98

875 2.22

915 2.42

960 2.65 1000 2.87 1039 3.10

616 1.45

680 1.53

737 1.74

789 1.95

841 2.18

889 2.41

934 2.65

972 2.87 1015 3.12 1053 3.34

639 1.67

701 1.73

757 1.92

807 2.16

858 2.41

903 2.62

951 2.89

990 3.12 1028 3.36

662 1.91

722 1.95

777 2.13

827 2.38

874 2.62

921 2.87

965 3.11 1008 3.39

— — —

686 2.17

744 2.20

797 2.36

846 2.62

891 2.85

938 3.14

980 3.37

710 2.45

766 2.47

816 2.61

866 2.86

910 3.12

934 3.39

— — —

LEGEND

Bhp

Brake Horsepower

Rpm — Fan Wheel Speed, Revolutions per Minute

NOTES:

1. Boldface indicates field-supplied drive required.

2.

indicates field-supplied motor and drive required.

3. Maximum usable bhp is 2.90 with standard 2.0-hp motor. Extensive motor and electrical testing on these units ensures that the full horsepower range of the motor can be utilized with confidence.

Using your fan motors up to the brakepower ratings shown will not result in nuisance tripping or premature motor failure.

4. Use of field-supplied motor may affect wire sizing. Contact Carrier representative to verify.

5. Values include losses for filters, unit casing, and wet coils.

6. Motor drive range is 690 to 900 rpm. All other rpm’s will require a field-supplied drive.

27

Performance data (cont)

COMPONENT

1 Heater Module

2 Heater Modules

Economizer

1100

6

10

5

1200

8

12

6

ACCESSORY STATIC PRESSURE DROP (Pa)

50TFQ008-012

1300

10

15

7

1400

12

17

8

1500

14

20

9

1600

16

22

10

L/s

1700

18

25

11

1800

19

27

12

1900

21

29

13

2000

23

32

14

2100

25

34

15

2200

27

37

16

2300

29

39

17

COMPONENT

1 Heater Module

2 Heater Modules

Economizer

2200

.02

.03

.02

ACCESSORY STATIC PRESSURE DROP (in. wg)

50TFQ008-012

2500

.03

.05

.02

3000

.05

.07

.03

3500

.07

.09

.04

CFM

4000

.08

.12

.05

4500

.10

.14

.06

5000

.12

.16

.07

5500

.14

.19

.08

6000

.16

.21

.09

UNIT

50TFQ

008,009

012

0

14.67

15.00

1

/

2

14.25

14.58

FAN R/S AT MOTOR PULLEY SETTINGS (SI)

1

13.83

14.25

1

1

/

2

13.33

13.92

MOTOR PULLEY TURNS OPEN

2

12.92

2

1

/

2

12.50

3

12.08

13.58

13.25

12.92

3

1

/

2

11.67

12.58

4

11.25

12.25

4

1

/

2

10.83

11.92

5

10.33

11.50

UNIT

50TFQ

008,009

012

UNIT

50TFQ

008

009

012

0

880

900

1 /

2

855

875

FAN RPM AT MOTOR PULLEY SETTINGS (ENGLISH)

1

830

855

1 1 /

2

800

835

MOTOR PULLEY TURNS OPEN

2 2 1 /

2

3

775

815

750

795

725

775

3 1 /

2

700

755

4

675

735

4 1 /

2

650

715

5

620

690

SOUND RATING

(Bels)

8.2

8.2

8.2

OUTDOOR SOUND DATA

(Total Unit)

A-WEIGHTED

(dB)

80.3

81.9

80.0

63

56.6

60.5

59.8

125

68.4

69.1

67.6

250

70.4

73.3

69.5

SOUND POWER (dB)

OCTAVE BANDS

500 1000

73.4

75.3

73.9

75.3

76.6

75.5

2000

71.3

74.8

72.3

4000

71.6

69.7

68.0

8000

65.8

64.0

63.0

ELECTRIC HEATING CAPACITIES

UNIT

50TFQ

008,009

012

ELECTRICAL

CHARACTERISTICS

400-3-50

400-3-50

ACCESSORY kW

9.6

11.5

19.3

22.9

28.9*

11.5

19.3

22.9

28.9

34.7*

*Two heater packages are required to provide kW indicated.

INDOOR-FAN MOTOR EFFICIENCY

UNIT 50TFQ

008-012

MOTOR EFFICIENCY

(%)

80

28

DURABLADE ECONOMIZER BAROMETRIC

RELIEF DAMPER CHARACTERISTICS

50TFQ008-012

INDOOR-FAN MOTOR PERFORMANCE

UNIT

50TFQ

008

009

012

INDOOR-FAN

MOTOR

Standard

Standard

Standard

UNIT

VOLTAGE

400

400

400

MAXIMUM

ACCEPTABLE

CONTINUOUS

BkW*

1.79

1.79

2.16

MAXIMUM

ACCEPTABLE

CONTINUOUS

BHP*

2.40

2.40

2.90

LEGEND

Bhp

Brake Horsepower

BkW — Fan Input Watts x Motor Efficiency

*Extensive motor and electrical testing on these units ensures that the full BkW (or brake horsepower) range of the motors can be utilized with confidence. Using your fan motors up to the BkW

(or brake horsepower) ratings shown in this table will not result in nuisance tripping or premature motor failure. Unit warranty will not be affected.

HEATER kW

RATING

(Nominal V)

400

MULTIPLICATION FACTORS

VOLTAGE

DISTRIBUTION

V-3-50

380

415

MULTIPLICATION FACTOR

FOR CAPACITY

0.902

1.076

MULTIPLICATION FACTOR

FOR FULL LOAD AMPS

0.949

1.037

MAXIMUM

ACCEPTABLE

OPERATING

WATTS

2120

2120

2615

MAXIMUM

AMP

DRAW

2.7

2.7

3.6

29

Electrical data

UNIT

50TFQ

008

009

012

NOMINAL

V-PH-Hz

400-3-50

400-3-50

400-3-50

IFM

TYPE

STD

STD

STD

VOLTAGE

RANGE

Min Max

360

360

360

440

440

440

COMPRESSOR

(each)

RLA LRA

6.7

7.3

9.2

42.0

69.0

59.6

LEGEND

CE

FLA

The Mark of the European Community

Full Load Amps

HACR

Heating, Air Conditioning and Refrigeration

IFM

Indoor-Fan Motor

LRA

MCA

Locked Rotor Amps

Minimum Circuit Amps

MOCP

Maximum Overcurrent Protection

OFM

Outdoor-Fan Motor

RLA

Rated Load Amps

*Heaters are field installed only.

†Heater capacity (kW) is based on heater voltage of 400 v. If power distribution voltage to unit varies from rated heater voltage, heater kW will vary accordingly.

**Fuse or HACR circuit breaker.

NOTES:

1. The overcurrent protective device for the unit shall be fuse or HACR breaker.

2. Unit total kW values are determined under test conditions stated in European Standard EN60335-2-40.

3. Unbalanced 3-Phase Supply Voltage

Never operate a motor where a phase imbalance in supply voltage is greater than 2%. Use the following formula to determine the percentage of voltage imbalance.

% Voltage Imbalance

= 100 x max voltage deviation from average voltage average voltage

OFM

FLA

(each)

0.6

0.6

0.6

IFM

FLA

2.6

2.6

3.4

ELECTRIC HEAT*

9.6

11.5

19.3

22.9

28.9

11.5

Nominal kW†

9.6

11.5

19.3

22.9

28.9

19.3

22.9

28.9

34.7

FLA

16.6

27.9

33.1

41.7

16.6

27.9

33.1

41.7

50.1

13.9

16.6

27.9

33.1

41.7

13.9

POWER SUPPLY

MCA

41.0

55.1

61.6

72.4

25.3

46.1

60.2

66.7

77.4

87.9

18.9

36.3

39.6

53.8

60.3

71.0

20.2

37.6

MOCP

45**

60**

70

80

30**

50**

70

70

80

90

20**

40**

40**

60**

70

80

25**

40**

Example: Supply voltage is 400-3-50.

AB = 393 v

BC = 403 v

AC = 396 v

Average Voltage =

393 + 403 + 396

3

=

1192

3

= 397

Determine maximum deviation from average voltage.

(AB) 397 – 393 = 4 v

(BC) 403 – 397 = 6 v

(AC) 397 – 396 = 1 v

Maximum deviation is 6 v.

Determine percent of voltage imbalance.

% Voltage Imbalance = 100 x

6

397

= 1.5%

This amount of phase imbalance is satisfactory as it is below the maximum allowable 2%.

IMPORTANT:

If the supply voltage phase imbalance is more than

2%, contact your local electric utility company immediately.

DISCONNECT

SIZE

FLA

26

46

59

65

40

53

59

69

74

84

58

68

21

37

20

36

39

52

LRA

179

190

195

204

152

169

180

186

194

203

108

122

125

136

141

150

162

176

30

Typical piping and wiring

HORIZONTAL DISCHARGE DUCTING

VERTICAL DISCHARGE DUCTING

LEGEND

NEC — National Electrical Code (U.S.A.)

31

Controls

Operating sequence

Cooling, units without economizer — When the thermostat calls for cooling, terminals G and Y1 are energized.

The indoor-fan contactor (IFC), RVS1 (reversing valve solenoid), compressor contactor no. 1 (C1), and outdoor-fan contactor (OFC) are energized and the indoor-fan motor, compressor no. 1, and outdoor fans start. The outdoor-fan motors run continuously while unit is cooling. If the thermostat calls for a second stage of cooling by energizing Y2, compressor contactor no. 2 (C2) and RVS2 are energized and compressor no. 2 starts.

Heating, units without economizer — Upon a request for heating from the space thermostat, terminal W1 will be energized with 24 v. The IFC, OFC, C1, and C2 will be energized. The reversing valves switch position and the indoor fan, outdoor fan, compressor no. 1, and compressor no. 2 are energized.

If the space temperature continues to fall while W1 is energized, W2 will be energized with 24 v, and the heater contactor(s) (HC) will be energized, which will energize the electric heater(s).

When the space thermostat is satisfied, W2 will be deenergized first, and the electric heater(s) will be deenergized.

Upon a further rise in space temperature, W1 will be deenergized, and the reversing valve solenoids (RVS1 and

RVS2) will be energized.

Cooling, units with Durablade economizer — When the outdoor-air temperature is above the OAT setting and the room thermostat calls for cooling, the compressor contactor no. 1 is energized to start compressor no. 1 and outdoor-fan motors. RVS1 (reversing valve solenoid) is energized). The indoor-fan motor (IFM) is energized and the economizer damper moves to the minimum position.

Upon a further call for cooling, compressor contactor no. 2 will be energized, starting compressor no. 2. RVS2 is energized. After the thermostat is satisfied and the IFM is deenergized, the damper moves to the fully closed position.

When the outdoor air temperature is below the OAT setting and the thermostat calls for Y1 and G, the economizer damper moves to the minimum position when the indoor fan starts. The first stage of cooling is provided by the economizer. If the supply-air temperature is above 14 C

(57 F), a switch on the supply-air thermostat is closed between the T2 terminal and the 24 vac terminal. This causes the damper to continue to modulate open until the supply-air temperature falls below 13 C (55 F) or the damper reaches the fully open position.

When the supply-air temperature is between 13 C (55 F) and 11 C (52 F), the supply-air thermostat has open switches between the T2 and 24 vac terminals and between the T1 and 24 vac terminals. This causes the economizer damper to remain in an intermediate open position.

If the supply-air temperature falls below 11 C (52 F), a switch on the supply-air thermostat is closed between the

T1 terminal and the 24 vac terminal. This causes the damper to modulate closed until the supply-air temperature rises above 13 C (55 F) or the damper reaches the minimum position.

When the supply-air temperature is between 13 C (55 F) and 14 C (57 F), the supply-air thermostat has open switches between the T2 and 24 vac terminals. This causes the economizer damper to remain in an intermediate open position.

If the outdoor air alone cannot satisfy the cooling requirements of the conditioned space, economizer cooling is integrated with mechanical cooling, providing second stage cooling. Compressor no. 1 and outdoor fans will be energized, and the position of the economizer damper will be determined by the supply-air temperature. Compressor no. 2 is locked out.

When the second stage of cooling is satisfied, the compressor, RVS2, and outdoor-fan motors will be deenergized. The damper position will be determined by the supply-air temperature.

When the first stage of cooling is satisfied, the damper will move to fully closed position.

Cooling, units with EconoMi$er — When the OAT is above the ECON SP set point and the room thermostat calls for Stage 1 cooling (R to G + Y1), the indoor-fan motor (IFM) is energized and the EconoMi$er damper modulates to minimum position. The compressor contactor and OFC are energized to start the compressor, outdoor-fan motors (OFM), and RVS1 (reversing valve solenoid). After the thermostat is satisfied, the damper modulates to the fully closed position when the IFM is deenergized.

When the OAT is below the ECON SP setting and the room thermostat calls for Stage 1 cooling (R to G + Y1), the EconoMi$er modulates to the minimum position when the IFM is energized. The EconoMi$er provides Stage 1 of cooling by modulating the return and outdoor-air dampers to maintain a 13 C (55 F) supply air set point. If the supplyair temperature (SAT) is greater than 14 C (57 F), the

EconoMi$er modulates open, allowing a greater amount of outdoor air to enter the unit. If the SAT drops below 12 C

(53 F), the outdoor air damper modulates closed to reduce the amount of outdoor air. When the SAT is between 12 C

(53 F) and 14 C (57 F), the EconoMi$er maintains its position.

If outdoor air alone cannot satisfy the cooling requirements of the conditioned space, and the OAT is above the

MECH CLG LOCKOUT set point, the EconoMi$er integrates free cooling with mechanical cooling. This is accomplished by the strategies below.

NOTE: Compressor has a two-minute Minimum On, Minimum Off, and interstage delay timer.

1. If Y1 is energized, and the room thermostat calls for

Y2 (2-stage thermostat), the compressor and OFC are energized. The position of the EconoMi$er damper is maintained at its current value.

2. If Y1 is energized for more than 20 minutes, and Y2 is not energized (whether or not a 2-stage thermostat is used), the compressor and OFCs are energized.

The position of the EconoMi$er damper is maintained at its current value.

32

3. If Y1 is energized, and the compressor no. 1 is already energized (see Step 2) and the room thermostat calls for Y2, compressor no. 1 continues to operate. If Y2 remains energized for more than

20 minutes, compressor no. 2 is energized.

NOTE: Compressor no. 2 cannot be energized unless there is a signal for Y2 from the space thermostat.

4. If compressor no. 2 is energized, and the Y2 signal from the thermostat is satisfied, compressors 1 and 2 are deenergized. Re-asserting Y2 will start compressor no. 1 and (after a 20-minute interstage delay) compressor no. 2.

5. If compressor no. 1 is energized and the thermostat is satisfied, the compressor no. 1, the OFMs, and IFM are deenergized and the EconoMi$er modulates closed.

When the OAT is below the MECH CLG LOCKOUT set point, the compressors remain off.

Heating, units with economizer — Upon a call for heat through W1, the IFC energizes to start the evaporator fan and the economizer damper blade opens to the minimum position. If the accessory two-position damper is used, the outdoor-air damper opens to the minimum position whenever the evaporator fan runs. If unit is equipped with

2 stages of heat, when additional heat is needed a call is made through W2.

As space temperature approaches the heating temperature set point, heating stages cycle off. Economizer or twoposition damper returns to fully closed position.

Defrost — When the temperature of the outdoor coil drops below –2 C (28 F) as sensed by the defrost thermostat (DFT2) and the defrost timer is at the end of a timed period (adjustable at 30, 50, or 90 minutes), reversing valve solenoids (RVS1 and RVS2) are energized and the

OFC is deenergized. This switches the position of the reversing valves and shuts off the outdoor fans. The electric heaters (if installed) will be energized.

The unit continues to defrost until the coil temperature as measured by the DFT2 reaches 18 C (65 F), or the duration of defrost cycle completes a 10-minute period.

During the Defrost mode, if circuit 1 defrosts first, RVS1 will oscillate between Heating and Cooling modes until the

Defrost mode is complete.

At the end of the defrost cycle, the electric heaters (if installed) will be deenergized; the reversing valves switch and the outdoor-fan motors will be energized. The unit will now operate in the Heating mode.

If the space thermostat is satisfied during a defrost cycle, the unit will continue in the Defrost mode until the time or temperature constraints are satisfied.

High-pressure switch — The high-pressure switch contains a Schrader core depressor, and is located on the compressor hot gas line. This switch opens at 2951 kPa

(428 psig) and closes at 2206 kPa (320 psig). No adjustments are necessary.

Loss-of-charge switch — The loss-of-charge switch contains a Schrader core depressor, and is located on the compressor liquid line. This switch opens at 48.26 kPa (7 psig) and closes at 151 kPa (22 psig). No adjustments are necessary.

Freeze-stat — The freeze-stat is a bimetal temperaturesensing switch that is located on the “hair-pin” end of the evaporator coil. The switch protects the evaporator coil from freeze-up due to lack of airflow. The switch opens at

–1 C (30 F) and closes at 7 C (45 F). No adjustments are necessary.

33

Typical wiring schematic

34

LEGEND AND NOTES FOR TYPICAL WIRING SCHEMATIC

LEGEND

AHA

Adjustable Heat Anticipator

AWG

American Wire Gage

C

CAP

Contactor, Compressor

Capacitor

CC

CH

Cooling Capacitor

Crankcase Heater

CLO

Compressor Lockout

COMP — Compressor Motor

D

DB

DFT

EC

Diode

Defrost Board

Defrost Thermostat

Enthalpy Control

ECON

Economizer

EPS

Emergency Power Supply

(Nine-Volt Battery)

EQUIP — Equipment

ER

FPT

Economizer Relay

Freeze-Up Protection Thermostat

FU

Fuse

GND

Ground

HC

HPS

HR

IFC

Heater Contactor (Strip Heat)

High-Pressure Switch

Heater Relay

Indoor-Fan Contactor

IFM

Indoor-Fan Motor

IFMOVL — Indoor-Fan Motor Overload

LPS

LSM

Low-Pressure Switch

Limit Switch (Manual Reset)

MCA

Minimum Circuit Amps

MTR

Motor

OAT

OFC

Outdoor-Air Thermostat

Outdoor-Fan Contactor

OFM

Outdoor-Fan Motor

P

Plug

PL

Plug Assembly

QT

R

Quadruple Terminal

Relay

RVS

Reversing Valve Solenoid

SAT

Supply-Air Thermostat

SW1

Switch Fully Open

SW2

Switch Fully Closed

SW3

Switch Min Vent Position

SW4

Switch Max Vent Position

TB

TC

Terminal Block

Thermostat-Cooling

TH

Thermostat-Heating

TRAN — Transformer

Field Splice

Marked Wire

Terminal (Marked)

Terminal (Unmarked)

Terminal Block

Splice

Splice (Marked)

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only.

Not to represent wiring.

NOTES:

1. If any of the original wire furnished must be replaced, it must be replaced with type 90 C wire or its equivalent.

2. Three-phase motors are protected under primary single-phasing conditions.

3. Thermostat:

4. Set heat anticipator at 0.8 amp for first stage and 0.3 amp for second stage.

5. Use copper conductors only.

6. Use copper, copper-clad aluminum or aluminum conductors.

7.

HH07AT172 and P272-2783

Subbase:

HH93AZ176, 178 and P272-1882, 1883

VOLTAGE

RATING

CB

Manufacturer’s Part No.

MUST TRIP

AMPS

24 V

Potter & Brumfield

W28X-1024-3.2

3.2

35

Application data

Outdoor installation — Units approved for outdoor installation only.

Ductwork — Secure vertical discharge ductwork to roof curb. For horizontal discharge applications, either attach ductwork to unit, or use field-supplied flanges attached to the horizontal discharge openings and attach all ductwork to flanges.

Horizontal discharge — To convert from vertical discharge to horizontal discharge:

1. Remove economizer or two-position damper to gain access to return duct opening.

2. Move the horizontal-discharge duct opening covers to the vertical discharge openings.

3. Rotate economizer or two-position damper

90 degrees.

4. Rotate the barometric relief damper 90 degrees.

5. Install block-off plate over the opening on the access panel.

Thru-the-bottom power connections — For applications requiring thru-the-bottom connections, Carrier accessory thru-the-bottom package must be purchased to ensure proper connections.

Thermostat — Use of 2-stage heating and cooling thermostat is recommended for all units. A 2-stage cooling thermostat is required on units with accessory economizer to provide integrated cooling.

Heating-to-cooling changeover — All units are automatic changeover from heating to cooling when automatic changeover thermostat and subbase are used.

Airflow — Units are draw-thru on cooling and blow-thru on heating.

Maximum airflow — To minimize the possibility of condensate blow-off from evaporator, airflow through units should not exceed 236 L/s per kW (500 cfm/ton).

Minimum airflow — For cooling, minimum airflow is

142 L/s per kW (300 cfm/ton). For 50TFQ units with electric heating, required minimum L/s is 1062 (cfm is

2250) for 50TFQ008; 1203 (2500) for 50TFQ009; and 1416 (3000) for 50TFQ012, with the following exceptions:

UNIT

50TFQ

012

UNIT

VOLTAGE

HEATER kW

400 34.7

UNIT

CONFIGURATION

Horizontal or

Vertical

REQUIRED

MINIMUM

L/s (Cfm)

1510

(3200)

Minimum ambient cooling operating temperature

The minimum temperature for standard units is –4 C

(25 F).

Internal unit design — Due to Carrier’s internal unit design (draw-thru over the motor), air path, and specially designed motors, the full motor kW (Hp) and the max continuous BkW (Bhp) listed in the Physical Data table and the notes following each Fan Performance table can be utilized with confidence.

Using Carrier motors with the values listed in the Physical and Fan Performance Data tables will not result in nuisance tripping or premature motor failure. The unit warranty will not be affected.

Apollo direct digital controls — The Apollo direct digital controls must be used with either a Carrier master or monitor thermostat.

36

Guide specifications

Packaged Rooftop Air-to-Air Heat Pump with Electric Heat Option — Constant

Volume Application

HVAC Guide Specifications

Size Range:

25.4 to 35.2 kW (7 1 /

2

to 10 Tons),

Nominal Cooling

Carrier Model Number: 50TFQ

Part 1 — General

1.01 SYSTEM DESCRIPTION

Outdoor rooftop- or slab-mounted, electrically controlled air-to-air heat pump utilizing a hermetic compressor for heating and cooling duty. Unit shall discharge supply air vertically or horizontally as shown on contract drawings.

1.02 QUALITY ASSURANCE

A. Unit shall be designed in accordance with European

Standard EN60335-2-40, and shall be tested in accordance with Eurovent Standards.

B. Unit shall be rated in accordance with ARI

Standards 210/240 and 270 (U.S.A. Standard).

C. Unit shall be designed to conform to ASHRAE 15, latest revision, and in accordance with UL 1995

(U.S.A. Standard).

D. Unit shall be UL tested and certified in accordance with ANSI Z21.47 (U.S.A. Standard) and UL listed and certified under Canadian Standards as a total package for safety requirements.

E. Unit shall be manufactured in a facility registered to

ISO 9001:2000 quality standard.

F. Roof curb shall be designed to conform to NRCA

Standards (U.S.A. Standard).

G. Insulation and adhesive shall meet NFPA 90A requirements for flame spread and smoke generation (U.S.A. Standard).

H. Unit casing shall be capable of withstanding U.S.A.

Test Method Standard No. 141 (Method 6061)

500-hour salt spray test.

1.03 DELIVERY, STORAGE, AND HANDLING

Unit(s) shall be stored and handled per manufacturer’s recommendations.

Part 2 — Products

2.01 EQUIPMENT (STANDARD)

A. General:

Factory-assembled, single-piece air-to-air heat pump. Contained within the unit enclosure shall be all factory wiring, piping, controls, refrigerant charge (R-22), and special features required prior to field start-up.

B. Unit Cabinet:

1. Unit cabinet shall be constructed of galvanized steel, bonderized and coated with a baked enamel finish on all externally exposed surfaces with primer coated internal panels.

2. Indoor fan cabinet interior shall be insulated with a minimum 13-mm ( 1 /

2

-in.) thick flexible fiberglass insulation coated on the air side.

3. Cabinet panels shall be easily removable for servicing.

4. Holes shall be provided in the base rails for rigging shackles to facilitate overhead rigging, and forklift slots shall be provided to facilitate maneuvering.

5. Unit shall have a factory-installed, sloped condensate drain pan made of a non-corrosive material, providing a minimum 19-mm ( 3 /

4

-in.) connection with both vertical and horizontal drains and shall comply with ASHRAE 62.

6. Unit shall have factory-installed filter access panel to provide filter access with tool-less removal.

7. Unit shall have standard thru-the-bottom power connection capability.

C. Fans:

1. Indoor blower shall be belt-driven, double inlet, forward-curved centrifugal type. Belt drive shall include an adjustable-pitch motor pulley.

2. Indoor blower shall be made from steel with a corrosion-resistant finish and shall be dynamically balanced.

3. Bearings shall be of the sealed, permanently lubricated, ball-bearing type for longer life and lower maintenance.

4. Outdoor fan shall be of the direct-driven propeller type and shall discharge air vertically.

5. Outdoor fan shall have aluminum blades riveted to corrosion-resistant steel spiders and shall be dynamically balanced.

D. Compressor(s):

1. Fully hermetic type, internally protected.

2. Factory rubber shock-mounted and internally spring mounted for vibration isolation.

3. Shall comply with European Standard

EN60335-2-34.

E. Coils:

1. Outdoor and indoor coils shall have aluminum plate fins mechanically bonded to enhanced copper tubes with all joints brazed.

2. Tube sheet openings shall be belled to prevent tube wear.

3. Indoor coil shall be of the full face active design.

F. Refrigerant Components: Refrigerant circuit components shall include:

1. Acutrol™ multiple independent circuit metering system.

2. Filter strainer to eliminate any moisture or foreign matter.

3. Service gage connections on suction, discharge, and liquid line to charge, evacuate, and contain refrigerant.

4. Accumulator.

5. Reversing valve.

G. Filter Section:

1. Standard filter section shall consist of factoryinstalled low-velocity, throwaway 51-mm (2-in.)

37

Guide specifications (cont)

thick fiberglass filters of commercially available sizes.

2. Filter face velocity shall not exceed 1.52 m/s

(300 fpm) at nominal airflows.

3. Filter section shall use only one size filter.

4. Filters shall be accessible through an access panel with ‘‘no-tool’’ removal.

H. Controls and Safeties:

1. Unit Controls: a. Unit shall be complete with self-contained low-voltage control circuit.

b. Unit shall incorporate an outdoor coil defrost system to prevent excessive frost accumulation during heating duty, and shall be controlled as follows:

1) Defrost shall be initiated on the basis of time and coil temperature.

2) A 30/50/90-minute timer shall activate defrost cycle only if coil temperature is low enough to indicate a heavy frost condition.

3) Defrost cycle shall terminate when dedefrost thermostat is satisfied and shall have a positive termination time of

10 minutes.

2. Refrigerant Controls:

Unit shall contain high-pressure, loss-ofcharge/low-pressure, and freeze protection switches.

3. Standard Safeties:

Unit shall incorporate compressor overtemperature and overcurrent safety devices to shut off compressor.

I. Operating Characteristics:

1. Unit shall be capable of starting and running in cooling at 51 C (125 F) ambient outdoor temperature, meeting maximum load criteria of

ARI Standard 210/240 at ±10% voltage.

2. Compressor with standard controls shall be capable of cooling operation down to –4 C

(25 F) ambient outdoor temperature.

3. Compressor shall be capable of operation in heating duty down to –23 C (–10 F) ambient outdoor-air temperature.

4. Unit shall be capable of simultaneous heating duty and defrost cycle operation when using electric heaters indicated in Section L, Special

Features.

J. Electrical Requirements:

All unit power wiring shall enter unit cabinet at a single factory-predrilled location.

K. Motors:

1. Compressor motors shall be cooled by refrigerant passing through motor windings and shall have line break thermal and current overload protection.

2. Indoor blower motor shall have permanently lubricated bearings and inherent automaticreset thermal overload protection.

38

3. Totally enclosed outdoor-fan motor shall have permanently lubricated bearings, and inherent automatic-reset thermal overload protection.

L. Special Features:

Certain features are not applicable when the features designated by * are specified. For assistance in amending the specifications, your local Carrier Sales

Office should be contacted.

* 1. Direct Digital Controls: a. Apollo communicating controls shall be available as a factory-installed option.

b. Shall actively monitor all modes of operation, as well as indoor-fan status, filter status, indoor-air quality, supply-air temperature, and outdoor-air temperature.

c. Shall work with Carrier TEMP and VVT® systems.

d. Shall have built-in diagnostics for thermostat commands for both staged heating and cooling, indoor-fan operation, and economizer operation.

e. Shall be equipped with a 5-minute time delay between modes of operation.

2. Roof Curbs: a. Formed galvanized steel with wood nailer strip and capable of supporting entire unit weight. b. Allows for installing and securing ductwork to curb prior to mounting unit on the curb.

* 3. Integrated Economizers: a. Integrated integral-modulating type capable of simultaneous economizer and compressor operation. b. Includes all hardware and controls to provide cooling with outdoor air.

c. Equipped with low-leakage dampers not to exceed 3% leakage at 1.868 mm Hg (1 in.

wg) pressure differential.

d. Capable of introducing up to 100% outdoor air in both minimum and fully open positions.

e. Equipped with a gravity relief sliding plate damper. Damper shall close upon unit shutoff.

f. Economizer is equipped with 30% of returnair relief.

g. Designed to close damper during loss-ofpower situations with emergency power supply.

h. Dry bulb outdoor-air thermostat protection shall be provided as standard.

i. Economizer is a guillotine-style damper design.

* 4. 25% Manual Outdoor-Air Damper:

Manual damper package shall consist of damper, birdscreen, and rainhood which can be preset to admit up to 25% outdoor air for year-round ventilation.

* 5. 50% Manual Outdoor-Air Damper:

Manual damper package shall consist of damper birdscreen, and rainhood which can be preset to admit up to 50% outdoor air for yearround ventilation.

* 6. 100% Two-Position Damper: a. Two-position damper package shall include single blade damper. Admits up to 100% outdoor air.

b. Damper shall close upon indoor fan shutoff.

c. Designed to close damper during loss of power situations.

d. Equipped with barometric relief damper.

* 7. 25% Two-Position Damper: a. Two-position damper package shall include single blade damper and motor. Admits up to 25% outdoor air.

b. Damper shall close upon indoor fan shutoff.

c. Designed to close damper during loss of power situations.

d. Equipped with barometric relief damper.

* 8. Solid-State Enthalpy Control: a. For use with economizer only.

b. Capable of sensing outdoor-air enthalpy content (temperature and humidity) and controlling economizer cut-in point to have minimum heat content air passing over the indoor coil for most efficient system operation.

* 9. Differential Enthalpy Sensor: a. For use with economizer only.

b. Capable of comparing enthalpy content

(temperature and humidity) of outdoor and indoor air and controlling economizer cut-in point at the most economical level.

*10. Electric Resistance Heaters: a. Open wire nichrome elements with all necessary safety operating controls.

b. UL listed and indicated on basic unit informative plate.

c. Available in multiples to match heating requirements.

d. Single point kits available for each heater when required.

*11. Thermostat and Subbase:

Provides staged cooling and heating automatic

(or manual) changeover, fan control, and indicator light.

12. Thru-The-Bottom Service Connections:

Kit shall provide connectors to permit electrical connections to be brought to the unit through the basepan.

*13. Electronic Programmable Thermostat:

Capable of using deluxe full-featured electronic thermostat. Shall use built-in compressor cycle delay control for both heating and cooling duty.

Capable of working with Carrier direct digital controls.

14. Outdoor Coil Hail Guard Assembly:

Hail guard shall protect against damage from hail and flying debris.

15. Outdoor Coil Grille:

The grille protects the outdoor coil from damage by large objects without increasing unit clearances.

16. Compressor Cycle Delay:

Unit shall be prevented from restarting for a minimum of 5 min. after shutdown.

17. Salt Spray Protection Package:

Coil guard protects coil from corrosion in coastal areas and in areas with high sulfur emissions.

18. Fan/Filter Status Switch:

Provides status of evaporator fan (ON/OFF) or filter (CLEAN/DIRTY). Status shall be displayed over communication bus when used with direct digital controls or with an indicator light at the thermostat.

19. Unit-Mounted Disconnect Switch:

Shall be factory-installed. Internally mounted,

NEC and UL approved non-fused switch provides unit power shutoff. Shall be accessible from outside the unit.

20. Emergency Heat Package:

When mechanical heating is locked out, auxiliary heat shall be activated when necessary.

21. Logo Kit:

Shall be mounted on the outdoor coil grille.

39

Carrier Corporation • Syracuse, New York 13221 204 1-01

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.

Book 1 4 New Book 1 Pg 40 Catalog No. 005-032 Printed in U.S.A.

Form 50TFQ-C2PD

Tab 5a 5a Tab OP3b

Replaces: New

Was this manual useful for you? yes no
Thank you for your participation!

* Your assessment is very important for improving the work of artificial intelligence, which forms the content of this project