Bard W42A2-A00 The Wall Mount™ 3.5 Tons Electric Vertical Packaged Air Conditioner Installation instructions
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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
MODELS
W17A2 W17L2
W18A2 W18L2
W24A2 W24L2
W30A2 W30L2
W36A2 W36L2
W42A2 W42L2
W48A2 W48L2
W60A2 W60L2
W70A2 W70L2
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
Manual : 2100-581C
Supersedes: 2100-581B
File: Volume III Tab 16
Date: 06-19-14
Manual 2100-581C
Page 1 of 26
Contents
Getting Other Information and Publications 3
Wall Mount General Information
Wall Mount Model Nomenclature .............................. 4
Shipping Damage ..................................................... 4
General ................................................................. 4
Duct Work ................................................................. 5
Filters ................................................................. 5
Fresh Air Intake ......................................................... 5
Condensate Drain .................................................... 5
Installation Instructions
Wall Mounting Information ........................................ 6
Mounting the Unit ...................................................... 6
Clearances Required ................................................ 6
Minimum Clearances ................................................ 6
Wiring – Main Power ............................................... 14
Wiring – Low Voltage Wiring ................................... 14
Start Up
General ............................................................... 15
Topping Off System Charge .................................... 15
Safety Practices ...................................................... 15
Important Installer Note ........................................... 16
High Pressure Switch .............................................. 16
Three Phase Scroll Compressor ............................. 16
Phase Monitor ......................................................... 16
Condenser Fan Operation ...................................... 16
Service Hints ........................................................... 16
Sequence of Operation ........................................... 17
Compressor Control Module ................................... 17
Adjustments ............................................................ 17
Pressure Service Ports ........................................... 17
Troubleshooting
Fan Blade Setting Dimensions ................................ 18
R-410A Refrigerant Charge .................................... 18
Removal of Fan Shroud .......................................... 18
Figures
Figure 1 Fresh Air Damper Assembly ..................... 5
Figure 2 Unit Dimensions ....................................... 7
Figure 3A Mounting Instructions ............................... 8
Figure 3B Mounting Instructions - W17 – 36 ................
9
Figure 3C Mounting Instructions - W42, 48, 60, 70 .... 10
Figure 4 Electric Heat Clearance ......................... 11
Figure 5 Wall Mounting Instructions ..................... 12
Figure 6 Wall Mounting Instructions ..................... 12
Figure 7 Common Wall Mounting Installations ..... 13
Figure 8 Fan Blade Setting ................................... 18
Tables
Table 1 Fan Blade Dimensions ........................... 18
Table 2 Cooling Pressure .................................... 19
Table 3 Electrical Specifications W**A ................ 20
Table 4 Electrical Specifications W**L ................ 21
Table 5 Recommended Airflow ........................... 22
Table 6 Indoor Blower Performance ................... 22
Table 7 Maximum ESP Electric Heat Only .......... 22
Table 8 Electric Heat ........................................... 23
Table 9A Optional Accessories — Right Hand ...... 24
Table 9B Optional Accessories — Left Hand ............25
Table 10 Vent & Control Options ........................... 26
Manual 2100-581C
Page 2 of 26
GETTING OTHER INFORMATION AND PUBLICATIONS
These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard.
National Electrical Code ....................... ANSI/NFPA 70
FOR MORE INFORMATION, CONTACT
THESE PUBLISHERS:
ACCA Air Conditioning Contractors of America
1712 New Hampshire Ave. N.W.
Washington, DC 20009
Telephone: (202) 483-9370
Fax: (202) 234-4721
Standard for the Installation ............... ANSI/NFPA 90A of Air Conditioning and Ventilating Systems
Standard for Warm Air ....................... ANSI/NFPA 90B
Heating and Air Conditioning Systems
ANSI American National Standards Institute
11 West Street, 13th Floor
New York, NY 10036
Telephone: (212) 642-4900
Fax: (212) 302-1286
Load Calculation for ......................... ACCA Manual J
Residential Winter and Summer Air Conditioning
Duct Design for Residential ............... ACCA Manual D
Winter and Summer Air Conditioning and Equipment
Selection
ASHRAE American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc.
1791 Tullie Circle, N.E.
Atlanta, GA 30329-2305
Telephone: (404) 636-8400
Fax: (404) 321-5478
NFPA National Fire Protection Association
Batterymarch Park
P.O. Box 9101
Quincy, MA 02269-9901
Telephone: (800) 344-3555
Fax: (617) 984-7057
Manual 2100-581C
Page 3 of 26
WALL MOUNT GENERAL INFORMATION
AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE
W 42 A 2 – A 10
MODEL NUMBER
CAPACITY
17 - 1½ Ton
18 - 1½ Ton
24 - 2 Ton
30 - 2½ Ton
36 - 3 Ton
42 - 3½ Ton
48 - 4 Ton
60 - 5 Ton
70 - 6 Ton
REVISIONS
VOLTS & PHASE
A - 230/208/60/1
B - 230/208/60/3
C - 460/60/3
A - Right Hand Air Conditioner
L - Left Hand Air Conditioner
KW
VENTILATION OPTIONS
X - Barometric Fresh Air Damper (Standard)
B - Blank-off Plate
M - Motorized Fresh Air Damper
V - Commercial Ventilator - Motorized with Exhaust
R - Energy Recovery Ventilator - Motorized with Exhaust
(See Spec. Sheet S3397)
S - Economizer - School Versions, Enthalpy
W - Economizer - Equipment Building, Enthalpy
T - Economizer - Equipment Building, DB Temp.
X X X X X A
CONTROL MODULES
(See Spec. Sheet S3397)
COLOR OPTIONS
X - Beige (Standard)
1 - White
4 - Buckeye Gray
5 - Desert Brown
6 - Dark Bronze
A - Aluminum
S - Stainless Steel
COIL OPTIONS
X - Standard
1 - Phenolic Coated Evaporator
2 - Phenolic Coated Condenser
3 - Phenolic Coated Evaporator
and Condenser
OUTLET OPTIONS
X - Front (Standard)
T - Top Outlet (W30A, W36A Only)
FILTER OPTIONS
X - One Inch Throwaway (Standard)
W - One Inch Washable
P - Two Inch Pleated
NOTE: Vent options X, B and M are without exhaust capability. May require separate field supplied barometric relief in building.
SHIPPING DAMAGE
Upon receipt of equipment, the carton should be checked for external signs of shipping damage. If damage is found, the receiving party must contact the last carrier immediately, preferably in writing, requesting inspection by the carrier’s agent.
GENERAL
The equipment covered in this manual is to be installed by trained, experienced service and installation technicians.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a person responsible for their safety.
Children should be supervised to ensure that they do not play with the appliance.
The refrigerant system is completely assembled and charged. All internal wiring is complete.
The unit is designed for use with or without duct work.
Flanges are provided for attaching the supply and return ducts.
These instructions explain the recommended method to install the air cooled self-contained unit and the electrical wiring connections to the unit.
These instructions and any instructions packaged with any separate equipment required to make up the entire air conditioning system should be carefully read before beginning the installation. Note particularly “Starting
Procedure” and any tags and/or labels attached to the equipment.
While these instructions are intended as a general recommended guide, they do not supersede any national and/or local codes in any way. Authorities having jurisdiction should be consulted before the installation is made. See Page 3 for information on codes and standards.
Size of unit for a proposed installation should be based on heat loss calculation made according to methods of Air Conditioning Contractors of America (ACCA).
The air duct should be installed in accordance with the
Standards of the National Fire Protection Association for the Installation of Air Conditioning and Ventilating
Systems of Other Than Residence Type, NFPA No.
90A, and Residence Type Warm Air Heating and Air
Conditioning Systems, NFPA No. 90B. Where local regulations are at a variance with instructions, installer should adhere to local codes.
Manual 2100-581C
Page 4 of 26
DUCT WORK
All duct work, supply and return, must be properly sized for the design airflow requirement of the equipment.
Air Conditioning Contractors of America (ACCA) is an excellent guide to proper sizing. All duct work or portions thereof not in the conditioned space should be properly insulated in order to both conserve energy and prevent condensation or moisture damage.
Refer to Maximum ESP of operation Electric Heat Table 7.
Design the duct work according to methods given by the Air
Conditioning Contractors of America (ACCA). When duct runs through unheated spaces, it should be insulated with a minimum of one inch of insulation. Use insulation with a vapor barrier on the outside of the insulation. Flexible joints should be used to connect the duct work to the equipment in order to keep the noise transmission to a minimum.
Models W17 - W24 as approved for zero inch clearance to the supply duct. For model series W30, W36, W42, W48,
W60 and W70 a 1/4 inch clearance to combustible material for the first three feet of duct attached to the outlet air frame is required. See Wall Mounting Instructions and Figures 3 and 4 for further details.
Ducts through the walls must be insulated and all joints taped or sealed to prevent air or moisture entering the wall cavity.
Some installations may not require any return air duct. A metallic return air grille is required with installations not requiring a return air duct. The spacing between louvers on the grille shall not be larger than 5/8 inch.
Any grille that meets with 5/8 inch louver criteria may be used. It is recommended that Bard Return Air Grille Kit
RG2 through RG5 or RFG2 through RFG5 be installed when no return duct is used. Contact distributor or factory for ordering information. If using a return air filter grille, filters must be of sufficient size to allow a maximum velocity of 400 fpm.
NOTE: If no return air duct is used, applicable installation codes may limit this cabinet to installation only in a single story structure.
FILTERS
A 1-inch throwaway filter is standard with each unit.
The filter slides into position making it easy to service.
This filter can be serviced from the outside by removing the filter access panel. A 1-inch washable filter and
2-inch pleated filter are also available as optional accessories. The internal filter brackets are adjustable to accommodate the 2-inch filter by bending two (2) tabs down on each side of the filter support bracket.
FRESH AIR INTAKE
All units are built with fresh air inlet slots punched in the service door.
If the unit is equipped with a fresh air damper assembly, the assembly is shipped already attached to the unit.
The damper blade is locked in the closed position.
To allow the damper to operate, the maximum and minimum blade position stops must be installed. See
Figure 1.
All capacity, efficiency and cost of operation information is based upon the fresh air blank-off plate in place and is recommended for maximum energy efficiency.
The blank-off plate is available upon request from the factory and is installed in place of the fresh air damper shipped with each unit.
CONDENSATE DRAIN
A plastic drain hose extends from the drain pan at the top of the unit down to the unit base. There are openings in the unit base for the drain hose to pass through. In the event the drain hose is connected to a drain system of some type, it must be an open or vented type system to assure proper drainage.
FIGURE 1
FRESH AIR DAMPER
Manual 2100-581C
Page 5 of 26
INSTALLATION INSTRUCTIONS
WALL MOUNTING INFORMATION
1. Two holes for the supply and return air openings must be cut through the wall as shown in Figure 3.
2. On wood frame walls, the wall construction must be strong and rigid enough to carry the weight of the unit without transmitting any unit vibration.
3. Concrete block walls must be thoroughly inspected to insure that they are capable of carrying the weight of the installed unit.
MOUNTING THE UNIT
1. These units are secured by wall mounting brackets which secure the unit to the outside wall surface at both sides. A bottom mounting bracket, attached to skid for shipping, is provided for ease of installation, but is not required.
2. The unit itself is suitable for 0 inch clearance, but the supply air duct flange and the first 3 feet of supply air duct require a minimum of 1/4 inch clearance to combustible material for model series
W30, W36, W42, W48, W60 and W70. However, it is generally recommended that a 1-inch clearance is used for ease of installation and maintaining the required clearance to combustible material. See
Figure 3 for details on opening sizes.
3. Locate and mark lag bolt locations and bottom mounting bracket location. See Figure 3.
4. Mount bottom mounting bracket.
5. Hook top rain flashing, attached to front - right of supply flange for shipping, under back bend of top.
WARNING
Failure to provide the 1/4 inch clearance between the supply duct and a combustible surface for the first 3 feet of duct can result in fire causing damage, injury or death.
6. Position unit in opening and secure with 5/16 lag bolts; use 7/8 inch diameter flat washers on the lag bolts.
7. Secure rain flashing to wall and caulk across entire length of top. See Figure 3.
8. For additional mounting rigidity, the return air and supply air frames or collars can be drilled and screwed or welded to the structural wall itself
(depending upon wall construction). Be sure to observe required clearance if combustible wall.
9. On side-by-side installations, maintain a minimum of 20 inches clearance on right side to allow access to control panel and heat strips, and to allow proper airflow to the outdoor coil. Additional clearance may be required to meet local or national codes.
Clearances Required for Service Access and Adequate Condenser Airflow
MODELS
LEFT
SIDE
RIGHT
SIDE
DISCHARGE
SIDE
W17A, W18A, W24A, W30A, W36A 15" 20" 10'
W17L, W18L, W24L, W30L, W36L
W42A, W48A, W60A, W70A
W42L, W48L, W60L, W70L
20"
20"
20"
15"
20"
20"
10'
10'
10'
NOTE: For side by side installation of two (2) W**A models there must be 20" between units. This can be reduced to 15" by using a
W**L model (left side compressor and controls) for the left unit and
WA (right side compressor and controls) for right unit.
See W**A Specification S3397 & W**L Specification S3400.
Minimum Clearances Required to
Combustible Materials
MODELS
W17A, L / W18A, L / W24A, L
SUPPLY AIR DUCT
FIRST THREE FEET CABINET
0" 0"
W30A, L / W36A, L
W42A, L / W48A, L
W60A, L / W70A, L
1/4"
1/4"
0"
0"
Manual 2100-581C
Page 6 of 26
FIGURE 2
Dimensions of Basic Unit for Architectural and Installation Requirements (Nominal)
DEPTH
(D)
HEIGHT
(H)
SUPPLY RETURN
A B C B E F G I J K L M N O P Q R S T
W17A, L
W18A, L
W24A, L
W30A, L
W36A, L
W42A, L
W48A, L
W60A, L
W70A, L
33.300
38.200
42.075
17.125
17.125
22.432
70.563
7.88 19.88 11.88 19.88 35.00 11.00 25.75 20.56 26.75 28.06 29.25 27.00 2.63 34.13 22.06 10.55 4.19
12.00
70.563
7.88 27.88 13.88 27.88 40.00 11.00 25.75 17.93 26.75 28.75 29.25 27.00 2.75 39.19 22.75 9.14
4.19
12.00
84.875
9.88 29.88 15.88 29.88 43.88 13.63 31.66 30.00 32.68 26.94 34.69 32.43 3.37 42.88 23.88 10.00 1.44
16.00
5.00
5.00
1.88
All dimensions are in inches. Dimensional drawings are not to scale.
W**A
RIGHT
UNIT
W
Built In
Rain Hood
4° Pitch
Heater
Access
Panel
C. Breaker/
Disconnect
Access Panel
(Lockable)
Hood for ERV and
ECONWMS models only
D
7.88
1
1.250
1
1.00
2.13
A
I
Side Wall
Mounting
Brackets
(Built In)
Shipping
Location
E
O
31.88
1
Supply Air Opening
B
.44
R
S
S
5.88
Filter Access Panel
Optional
C H Return Air Opening S
F
G
Ventilation Air
Condenser
Air Outlet flush vent door for
3"
Econ.
models
11"
Hood for models.
Low Voltage
High Voltage
Cond.
Air
Inlet
J
K
L
M
P
S
S
T
Drain N
Front View Side View Q Back View
MIS-2487 H j Optional top outlet (factory installed only) for W30A and W36A models only.
W**L
LEFT
UNIT
R
S
S
.44
E
O
Supply Air Opening
B
Mounting
(Built In)
2.13
A
Built In
4° Pitch
D
I
1.250
Heater
C. Breaker/
Disconnect
Access Panel
(Lockable)
Standard flush
Hood used on
ECONWMS only
W
Filter Access Panel 1 5.88
S
Return Air Opening
Optional
Entrances
C
3"
Ventilation Air F
S
H
S P
M
L K
J
Cond.
Air
Inlet
11"
Hood for
ECONWMT models.
Low Voltage
Condenser
Air Outlet
G
T
Drain Bottom
Installation
Back View
Q
N Side View Entrance Front View
MIS-3124 B
Manual 2100-581C
Page 7 of 26
Manual 2100-581C
Page 8 of 26
1 16
1 16
13 16
1 2
1 8
4" Ty
7 8
4" Ty
7 8
11 16
1 8
4" Ty
7 8
7 8
4" Ty
7 8
1 16
11 16
Manual 2100-581C
Page 9 of 26
Manual 2100-581C
Page 10 of 26
1 2
7 8
1 8
4" Ty
1 8
1 2
4" Ty
1 2
7 8
FIGURE 4
ELECTRIC HEAT CLEARANCE
W30A2, W30L2, W36A2, W36L2, W42A2, W42L2, W48A2, W48L2, W60A2, W60L2, W70A2, W70L2
NOTE 1: SIDE SECTION VIEW OF SUPPLY AIR
DUCT FOR WALL MOUNTED UNIT SHOWING 1/4
INCH CLEARANCE TO COMBUSTIBLE SURFACES.
WARNING
A minimum of 1/4 inch clearance must be maintained between the supply air duct and combustible materials. This is required for the first 3 feet of ducting.
It is important to insure that the 1/4 inch minimum spacing is maintained at all points.
Failure to do this could result in overheating the combustible material and may result in a fire causing damage, injury or death.
Manual 2100-581C
Page 11 of 26
FIGURE 5
WALL MOUNTING INSTRUCTIONS
SEE FIGURE 3 – MOUNTING INSTRUCTIONS
FACTORY SUPPLIED
RAIN FLASHING.
MOUNT ON UNIT
BEFORE INSTALLATION
WALL STRUCTURE
SUPPLY AIR
OPENING
SUPPLY AIR
DUCT
RETURN AIR
OPENING
RETURN AIR
OPENING
RETURN AIR
OPENING
WOOD OR STEEL SIDING
BOTTOM MOUNTING
INSTALLING UNIT.
SIDE VIEW MIS-548 A CONCRETE BLOCK WALL INSTALLATION
MIS-549 B
Manual 2100-581C
Page 12 of 26
WOOD FRAME WALL INSTALLATION
FIGURE 6
WALL MOUNTING INSTRUCTIONS
ATTACH TO TOP
PLATE OF WALL
SEE UNIT DIMENSIONS, FIGURE 2,
FOR ACTUAL DIMENSIONS.
E + 1.000
B
1.000
1.000" CLEARANCE
ALL AROUND DUCT
INTERIOR FINISHED WALL
OVER FRAME
1.000" CLEARANCE
ALL AROUND DUCT
SUPPLY DUCT
OPENING
A
I
RETURN DUCT
OPENING
C
EXTERIOR FINISH WALL
OVER FRAME
K
2 x 6
C L
FRAMING MATERIAL
2 x 4'S, 2 x 6'S &/OR
STRUCTURAL STEEL
ATTACH TO BOTTOM
PLATE OF WALL
THIS STRUCTURAL MEMBER
LOCATED TO MATCH STUD
SPACING FOR REST OF WALL.
A SECOND MEMBER MAY BE
REQUIRED FOR SOME WALLS.
FIGURE 7
COMMON WALL MOUNTING INSTALLATIONS
OUTSIDE
WALL
RAFTERS
FINISHED CEILING SURFACE
SUPPLY AIR DUCT
W/ GRILLE
RETURN AIR
OPENING W/ GRILLE
OUTSIDE
WALL
FREE AIR FLOW
NO DUCT
SUPPLY DUCT MAY BE LOCATED IN AN ATTIC
OR BELOW CEILING RAFTERS AS SHOWN
RAFTERS
SUPPLY AIR DUCT
FINISHED CEILING SURFACE
RETURN AIR
OPENING W/ GRILLE
DUCTED SUPPLY
RETURN AT UNIT
SUPPLY DUCT MAYBE LOCATED IN AN ATTIC
OR BELOW CEILING RAFTERS AS SHOWN
RAIN
FLASHING
RAFTERS
SUPPLY AIR DUCT
RAIN
FLASHING
OUTSIDE
WALL
FINISHED
CEILING SURFACE
WALL SLEEVE
RETURN AIR
SPACE
FALSE WALL
RETURN AIR GRILLE
OUTSIDE
WALL
FALSE WALL INSTALLATION
SUPPLY DUCT MAYBE LOCATED IN AN ATTIC
OR BELOW CEILING RAFTERS AS SHOWN
RAFTERS
SUPPLY AIR DUCT
LOWERED
CEILING SUPPLY AIR
GRILLE
FINISHED CEILING
SURFACE
CLOSET WALL
WALL
SLEEVE
RAISED FLOOR
RETURN AIR
RETURN AIR
GRILLE
CLOSET INSTALLATION
MIS-550 B
Manual 2100-581C
Page 13 of 26
WIRING – MAIN POWER
Refer to the unit rating plate for wire sizing information and maximum fuse or “HACR” type circuit breaker size. Each outdoor unit is marked with a “Minimum
Circuit Ampacity”. This means that the field wiring used must be sized to carry that amount of current.
Depending on the installed KW of electric heat, there may be two field power circuits required. If this is the case, the unit serial plate will so indicate. All models are suitable only for connection with copper wire. Each unit and/or wiring diagram will be marked “Use Copper
Conductors Only”. These instructions must be adhered to. Refer to the National Electrical Code (NEC) for complete current carrying capacity data on the various insulation grades of wiring material. All wiring must conform to NEC and all local codes.
The electrical data lists fuse and wire sizes (75° C copper) for all models including the most commonly used heater sizes. Also shown are the number of field power circuits required for the various models with heaters.
The unit rating plate lists a “Maximum Time Delay
Relay Fuse” or “HACR” type circuit breaker that is to be used with the equipment. The correct size must be used for proper circuit protection and also to assure that there will be no nuisance tripping due to the momentary high starting current of the compressor motor.
The disconnect access door on this unit may be locked to prevent unauthorized access to the disconnect. To convert for the locking capability, bend the tab located in the bottom left-hand corner of the disconnect opening under the disconnect access panel straight out. This tab will now line up with the slot in the door.
When shut, a padlock may be placed through the hole in the tab preventing entry.
See “Start Up” section for important information on three phase scroll compressor start ups.
See Tables 3 & 4 for Electrical Specifications.
WIRING – LOW VOLTAGE WIRING
All 230/208V, 1 phase and 3 phase equipment have dual primary voltage transformers. All equipment leaves the factory wired on 240V tap. For 208V operation, reconnect from 240V to 208V tap. The acceptable operating voltage range for the 240 and
208V taps are:
TAP RANGE
240
208
253 – 216
220 – 187
NOTE: The voltage should be measured at the field power connection point in the unit and while the unit is operating at full load (maximum amperage operating condition).
For wiring size and connections, refer to Wiring
Manual 2100-582.
Manual 2100-581C
Page 14 of 26
THESE UNITS REQUIRE R-410A
REFRIGERANT AND POLYOL
ESTER OIL.
GENERAL:
1. Use separate service equipment to avoid cross contamination of oil and refrigerants.
2. Use recovery equipment rated for R-410A
refrigerant.
3. Use manifold gauges rated for R-410A (800 psi/250 psi low).
4. R-410A is a binary blend of HFC-32 and HFC-125.
5. R-410A is nearly azeotropic - similar to R-22 and
R-12. Although nearly azeotropic, charge with liquid refrigerant.
6. R-410A operates at 40-70% higher pressure than
R-22, and systems designed for R-22 cannot withstand this higher pressure.
7. R-410A has an ozone depletion potential of zero, but must be reclaimed due to its global warming
potential.
8. R-410A compressors use polyolester oil.
9. Polyol Ester oil is hygroscopic; it will rapidly absorb moisture and strongly hold this moisture in the oil.
10. A liquid line dryer must be used - even a deep vacuum will not separate moisture from the oil.
11. Limit atmospheric exposure to 15 minutes.
12. If compressor removal is necessary, always plug compressor immediately after removal. Purge with small amount of nitrogen when inserting plugs.
TOPPING OFF SYSTEM CHARGE
If a leak has occurred in the system, Bard
Manufacturing recommends reclaiming, evacuating
(see criteria above), and charging to the nameplate charge. If done correctly, topping off the system charge can be done without problems.
With R-410A, there are no significant changes in the refrigerant composition during multiple leaks and recharges. R-410A refrigerant is close to being an azeotropic blend (it behaves like a pure compound or single component refrigerant). The remaining refrigerant charge, in the system, may be used after leaks have occurred and then “top-off” the charge by utilizing the pressure charts on the inner control panel cover as a guideline.
START UP
REMEMBER: When adding R-410A refrigerant, it must come out of the charging cylinder/tank as a liquid to avoid any fractionation, and to ensure optimal system performance. Refer to instructions for the cylinder that is being utilized for proper method of liquid extraction.
WARNING
Failure to conform to these practices could lead to damage, injury or death.
SAFETY PRACTICES:
1. Never mix R-410A with other refrigerants.
2. Use gloves and safety glasses, Polyol Ester oils can be irritating to the skin, and liquid refrigerant will freeze the skin.
3. Never use air and R-410A to leak check; the mixture may become flammable.
4. Do not inhale R-410A – the vapor attacks the nervous system, creating dizziness, loss of coordination and slurred speech. Cardiac irregularities, unconsciousness and ultimate death can result from breathing this concentration.
5. Do not burn R-410A. This decomposition produces hazardous vapors. Evacuate the area if
exposed.
6. Use only cylinders rated DOT4BA/4BW 400.
7. Never fill cylinders over 80% of total capacity.
8. Store cylinders in a cool area, out of direct
sunlight.
9. Never heat cylinders above 125°F.
10. Never trap liquid R-410A in manifold sets, gauge lines or cylinders. R-410A expands significantly at warmer temperatures. Once a cylinder or line is full of liquid, any further rise in temperature will cause it to burst.
Manual 2100-581C
Page 15 of 26
START UP (Continued)
IMPORTANT INSTALLER NOTE
For improved start up performance wash the indoor coil with a dish washing detergent.
HIGH PRESSURE SWITCH
All W**A/W**L wall mounted air conditioner series models are supplied with a remote reset for the high and low pressure switch. If tripped, this pressure switch may be reset by turning the thermostat off then back on again.
THREE PHASE SCROLL COMPRESSOR
START UP INFORMATION
Scroll compressors, like several other types of compressors, will only compress in one rotational direction. Direction of rotation is not an issue with single phase compressors since they will always start and run in the proper direction.
However, three phase compressors will rotate in either direction depending upon phasing of the power.
Since there is a 50-50 chance of connecting power in such a way as to cause rotation in the reverse direction, verification of proper rotation must be made.
Verification of proper rotation direction is made by observing that suction pressure drops and discharge pressure rises when the compressor is energized.
Reverse rotation also results in an elevated sound level over that with correct rotation, as well as substantially reduced current draw compared to tabulated values.
Verification of proper rotation must be made at the time the equipment is put into service. If improper rotation is corrected at this time, there will be no negative impact on the durability of the compressor.
However, reverse operation for over one hour may have a negative impact on the bearing due to oil pump out.
NOTE: If compressor is allowed to run in reverse rotation for an extended period of time, the compressor’s internal protector will trip.
All three phase compressors are wired identically internally. As a result, once the correct phasing is determined for a specific system or installation, connecting properly phased power leads to the same
Fusite terminal should maintain proper rotation direction.
The direction of rotation of the compressor may be changed by reversing any two line connections to the unit.
PHASE MONITOR
All units with three phase scroll compressors are equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal.
The phase monitor in this unit is equipped with two
LEDs. If the Y signal is present at the phase monitor and phases are correct the green LED will light.
If phases are reversed, the red fault LED will be lit and compressor operation is inhibited.
If a fault condition occurs, reverse two of the supply leads to the unit. Do not reverse any of the unit factory wires as damage may occur.
CONDENSER FAN OPERATION
NOTE: Certain models may be equipped with a low ambient control (LAC), and if so equipped, the condenser fan motor will have delayed start until system refrigerant operating pressure builds up. After starting, the fan motor may or may not cycle depending upon ambient conditions. This is normal operation.
Applies to W42, W48, W60 and W70 models only. The condenser fan motor on 230/208 volt, one and three phase, 60 HZ units is a two-speed motor that comes factory wired on high speed for peak performance. If ambient conditions permit, it can be reconnected to low speed (red wire) for lower sound level. See wiring diagram.
50 HZ models must have fan wired on low speed.
These models are factory wired on low speed.
SERVICE HINTS
1. Caution owner/operator to maintain clean air filters at all times. Also, not to needlessly close off supply and return air registers. This reduces airflow through the system, which shortens equipment service life as well as increasing operating costs.
2. Check all power fuses or circuit breakers to be sure they are the correct rating.
3. Periodic cleaning of the outdoor coil to permit full and unrestricted airflow circulation is essential.
Manual 2100-581C
Page 16 of 26
SEQUENCE OF OPERATION
COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor, starting the compressor and outdoor motor. (See NOTE under Condenser Fan
Operation if equipped with Low Ambient Control.) The
G (indoor motor) circuit is automatically completed by the thermostat on any call for cooling operation or can be energized by manual fan switch on subbase for constant air circulation. On a call for heating, circuit
R-W1 make at the thermostat pulling in heat contactor for the strip heat and blower operation. On a call for second stage heat, R-W2 makes bringing on second heat contactor, if so equipped.
COMPRESSOR CONTROL MODULE
The compressor control module is standard on all models covered by this manual. The compressor control module is an anti-short cycle/lockout timer with high and low pressure switch monitoring and alarm relay output.
Adjustable Delay On Make And Break Timer
On initial power up or anytime power is interrupted to the unit, the delay on make period begins, which will be 2 minutes plus 10% of the delay on break setting.
When the delay on make is complete and the high pressure switch and low pressure switch is closed, the compressor contactor is energized. Upon shutdown, the delay on break timer starts and prevents restart until the delay on break and delay on make periods have expired.
During routine operation of the unit with no power interruptions, the compressor will operate on demand with no delay.
High Pressure Switch and Lockout Sequence
If the high pressure switch opens, the compressor contactor will de-energize immediately. The lockout timer will go into a soft lockout and stay in soft lockout until the high pressure switch closes and the delay on break time has expired. If the high pressure switch opens again in this same operating cycle, the unit will go into manual lockout condition and the alarm relay circuit will energize. Recycling the wall thermostat resets the manual lockout.
Low Pressure Switch, Bypass, and Lockout
Sequence
If the low pressure switch opens for more than 120 seconds, the compressor contactor will de-energize and go into a soft lockout. Regardless the state of the low pressure switch, the contactor will reenergize after the delay on make time delay has expired. If the low pressure switch remains open, or opens again for longer than 120 seconds, the unit will go into manual lockout condition and the alarm relay circuit will energize.
Recycling the wall thermostat resets the manual lockout.
Alarm Relay Output
Alarm terminal is output connection for applications where alarm relay is employed. This terminal is powered whenever the compressor is locked out due to
HPC or LPC sequences as described.
NOTE: Both high and low pressure switch controls are inherently automatic reset devices. The high pressure switch and low pressure switch cut out and cut in settings are fixed by specific air conditioner unit model. The lockout features, both soft and manual, are a function of the
Compressor Control Module.
ADJUSTMENTS
Adjustable Delay on Make and Delay on Break
Timer
The potentiometer is used to select Delay on Break time from 30 seconds to 5 minutes. Delay on Make (DOM) timing on power-up and after power interruptions is equal to 2 minutes plus 10% of Delay on Break (DOB) setting:
0.5 minute (30 seconds) DOB = 123 second DOM
1.0 minute (60 seconds) DOB = 126 second DOM
2.0 minute (120 seconds) DOB = 132 second DOM
3.0 minute (180 seconds) DOB = 138 second DOM
4.0 minute (240 seconds) DOB = 144 second DOM
5.0 minute (300 seconds) DOB = 150 second DOM
During routine operation of the unit with no power interruptions the compressor will operate on demand with no delay.
Typical Settings for Dual Unit Installation:
Unit 1: DOB set at 2 minutes, and DOM is 132 seconds
Unit 2: DOB set at 4 minutes, and DOM is 144 seconds
PRESSURE SERVICE PORTS
High and low pressure service ports are installed on all units so that the system operating pressures can be observed. A pressure table can be found later in the manual covering all models. It is imperative to match the correct pressure table to the unit by model number.
See Table 2.
Manual 2100-581C
Page 17 of 26
TROUBLESHOOTING
FAN BLADE SETTING DIMENSIONS
Shown in Figure 8 is the correct fan blade setting for proper air delivery across the outdoor coil. Refer to
Table 1 for unit specific dimension.
Any service work requiring removal or adjustment in the fan and/or motor area will require that the dimensions below be checked and blade adjusted in or out on the motor shaft accordingly.
FIGURE 8
FAN BLADE SETTING
AIRFLOW
MIS-1724
"A"
R-410A
REFRIGERANT CHARGE
This unit was charged at the factory with the quantity of refrigerant listed on the serial plate. AHRI capacity and efficiency ratings were determined by testing with this refrigerant charge quantity.
The following pressure tables show nominal pressures for the units. Since many installation specific situations can affect the pressure readings, this information should only be used by certified technicians as a guide for evaluating proper system performance. They shall not be used to adjust charge. If charge is in doubt, reclaim, evacuate and recharge the unit to the serial plate charge.
REMOVAL OF FAN SHROUD
1. Disconnect all power to the unit.
2. Remove the screws holding both grilles, one on each side of unit, and remove grilles.
3. Remove screws holding fan shroud to condenser and bottom. Nine (9) screws.
4. Unwire condenser fan motor.
5. Slide complete motor, fan blade, and shroud assembly out the left side of the unit.
6. Service motor/fan as needed.
7. Reverse steps to reinstall.
TABLE 1
FAN BLADE DIMENSION
Model
Dimension
A
W17A2 / W17L2
W18A2 / W18L2
W24A2 / W24L2
W30A2 / W30L2
W36A2 / W36L2
W42A2 / W42L2
W48A2 / W48L2
W60A2 / W60L2
W70A2 / W70L2
1.00"
1.25"
1.75"
Manual 2100-581C
Page 18 of 26
TABLE 2
COOLING PRESSURE TABLE
Air Temperature Entering Outdoor Coil °F
Model
Return Air Temp
(DB/WB)
Pressure 75 80
W17A/L
W18A/L
W24A/L
W30A/L
W36A/L
W42A/L
W48A/L
W60A/L
W70A/L
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
75/62
80/67
85/72
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low Side
High Side
Low side pressure ± 4 PSIG
High side pressure ± 10 PSIG
125
364
129
377
122
346
131
355
120
339
128
348
132
360
123
320
132
328
131
361
122
335
130
344
135
356
136
326
141
337
119
340
127
349
124
321
133
329
138
341
127
318
137
339
117
355
136
367
118
349
126
358
130
371
127
388
131
402
124
371
133
380
122
366
130
375
135
388
124
342
133
351
134
383
124
358
133
367
138
380
138
348
143
360
121
361
129
370
126
340
135
349
140
361
129
339
138
363
119
378
138
393
121
371
129
381
134
394
85
134
466
139
482
130
447
139
458
129
446
138
457
143
473
130
416
139
427
141
459
131
431
140
442
145
457
144
419
149
434
127
432
136
443
132
409
141
419
146
434
135
409
144
442
125
454
144
474
125
444
134
455
139
471
132
438
137
453
128
421
137
432
126
418
135
429
140
444
128
391
137
401
138
432
129
406
138
416
143
431
142
395
147
409
124
407
133
417
130
384
139
394
144
408
133
385
142
415
123
427
142
447
123
419
132
430
137
445
129
413
134
427
126
396
135
406
124
392
133
402
138
416
126
367
135
376
136
407
127
381
136
391
141
405
140
371
145
384
122
383
131
393
128
362
137
371
142
384
131
362
140
389
121
403
140
420
122
395
131
405
136
419
90 95 100 105 110 115 120
Tables are based upon rated CFM (airflow) across the evaporator coil. If there is any doubt as to correct operating charge being in the system, the charge should be removed, system evacuated and recharged to serial plate charge weight.
NOTE: Pressure table based on high speed condenser fan operation. If condensing pressures appear elevated check condenser fan wiring. See “Condenser Fan Operation”.
Manual 2100-581C
Page 19 of 26
136
494
141
511
131
473
140
485
130
473
139
485
144
502
132
443
141
454
143
487
133
456
142
468
147
484
146
445
151
461
129
459
138
471
133
434
142
445
147
461
137
434
146
470
127
482
145
502
127
470
136
482
141
499
138
523
143
541
133
499
142
512
132
501
141
514
146
532
134
469
143
481
145
518
135
483
144
495
149
512
148
471
153
487
131
488
140
500
135
461
144
473
149
490
138
459
148
498
129
510
147
530
129
497
138
510
143
528
140
553
145
572
135
526
144
539
134
529
143
543
148
562
136
496
145
509
147
550
137
509
146
522
151
540
150
498
155
515
133
518
142
531
137
490
146
503
151
521
140
486
150
527
131
539
149
558
131
525
140
538
145
557
142
585
147
605
137
553
146
567
135
558
144
572
149
592
137
526
147
539
149
584
137
536
147
550
152
569
153
526
158
544
135
550
144
564
138
521
148
534
153
553
143
513
152
558
133
570
151
587
132
553
141
567
146
587
144
618
149
640
138
580
148
595
136
586
145
601
150
622
139
554
149
568
151
619
139
565
149
579
154
599
155
555
160
574
137
583
146
598
140
553
150
567
155
587
145
541
154
588
135
603
153
616
134
583
143
598
148
619
TABLE 3
Electrical Specifications — W**A Series
MODEL
B06*
B09*
B15
W36A2-C00*, C0Z*
C06*
C09*
C15
W42A2-A00, A0Z
A05
A10
A15
A20
W42A2-B00, B0Z
B09
B15
B18
W42A2-C00, C0Z
C09
C15
W48A2-A00, A0Z
A05
A10
A15
A20
W48A2-B00, B0Z
B09
B15
B18
W48A2-C00, C0Z
C09
C15
W60A2-A00, A0Z
W17, 18A2-A00,A0Z
A05
A08
A10
W24A2-A00, A0Z
A04
A05
A08
A10
W24A2-B00, B0Z
B06
W24A2-C00, C0Z
C06
W30A2-A00*, A0Z*
A05*
A08
A10*
A15
W30A2-B00*, B0Z*
B06
B09*
B15
W30A2-C00*, C0Z*
C06
C09*
C15
W36A2-A00*, A0Z*
A05*
A08
A10*
A15
W36A2-B00*, B0Z*
A05
A10
A15
A20
W60A2-B00, B0Z
B09
B15
B18
W60A2-C00, C0Z
C09
C15
W70A2-A00, A0Z
A05
A10
A15
A20
W70A2-B00, B0Z
B09
B15
B18
W70A2-C00, C0Z
C09
C15
Rated
Volts &
Phase
230/208-1
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
No.
Field
Power
Circuits
1
1
1
1
1
1
1
1
1
1
1 or 2
1 or 2
1
1
1
1
1
1
1 or 2
1 or 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 or 2
1
1
1
1
1
1
1 or 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 or 2
1 or 2
1
1
1
1
1
1
1 or 2
1 or 2
1
2
1
1
1
1
1
1
2
1
1
Minimum
Circuit
Ampacity
13
17
26
42
27
33
51
60
39
58
84
110
12
17
26
39
24
33
51
60
32
58
84
110
12
16
26
32
24
33
51
11
47
58
84
23
17
26
29
32
33
51
11
12
58
84
18
24
11
24
32
47
56
15
22
9
21
25
30
46
16
30
46
56
56
59
85
111
15
18
27
56
42
60
86
112
28
35
53
N/A
38
38
53
N/A
19
19
27
Ground
Wire
12
12
10
10
10
10
10
10
10
10
8
6
14
12
10
10
10
10
10
10
10
10
8
6
14
12
10
10
10
10
10
14
10
10
8
10
12
10
10
10
10
10
14
14
10
8
12
10
14
10
10
10
10
12
10
14
10
10
10
10
12
10
10
10
10
10
8
6
12
12
10
10
10
10
10
N/A
10
10
8
6
10
10
10
N/A
10
10
10
Single Circuit j
Maximum
External
Fuse or
Ckt. Brkr.
20
20
30
60
40
40
60
60
50
60
90
125
15
20
30
50
35
35
60
60
50
60
90
125
15
20
30
50
30
35
60
15
50
60
90
30
20
30
35
35
35
60
15
15
60
90
20
25
15
35
35
50
60
20
25
15
30
30
30
50
20
30
50
60
60
60
90
125
20
20
30
60
60
60
90
125
40
40
60
N/A
60
60
60
N/A
30
30
35
Field
Power
Wire
Size
12
12
10
8
6
6
8
8
4
2
8
6
14
12
10
8
6
6
8
8
4
2
8
6
14
12
10
8
10
8
6
14
8
6
4
10
12
10
8
8
8
6
14
14
6
4
12
10
14
8
8
8
6
12
10
14
10
10
10
8
12
10
8
6
4
2
6
6
12
12
10
6
8
8
6
N/A
3
2
8
6
8
8
6
N/A
10
10
18
Minimum
Circuit
Ampacity
Dual Circuit j Maximum
External Fuse or Ckt. Breaker
Field Power
Wire Size
Ground
Wire Size
Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B
58
58
58
58
58
58
60
60
35
59
59
38
26
26
26
52
26
52
26
52
28
26
52
28
60
60
60
60
60
60
60
60
40
60
60
60
30
30
30
60
30
60
30
60
30
30
60
30
6
6
6
6
6
6
6
6
8
6
6
8
10
10
10
6
10
6
10
6
10
10
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10 j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.
Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.
These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical code (latest version), Article 310 for power conductor sizing.
Caution: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of Table 310 regarding Ampacity
Adjustment Factors when more than three (3) current carrying conductors are in a raceway.
* Top outlet supply option is available only factory installed and only on the selected models.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses and conductor wires in accordance with the National
Electrical Code and all local codes.
Manual 2100-581C
Page 20 of 26
TABLE 4
Electrical Specifications — W**L Series
MODEL
C15
W42L2-A00, A0Z
A05
A10
A15
W42L2-B00, B0Z
B09
B15
W42L2-C00, C0Z
C09
C15
W48L2-A00, A0Z
A05
A10
A15
W48L2-B00, B0Z
B09
B15
W48L2-C00, C0Z
C09
C15
W60L2-A00, A0Z
A05
A10
A15
W60L2-B00, B0Z
B09
B15
W60L2-C00, C0Z
C09
C15
W70L2-A0Z
A05
A10
A15
W70L2-B0Z
B09
B15
W70L2-C0Z
C09
C15
W17, 18L2-A00,A0Z
A05
A08
A10
W24L2-A00, A0Z
A05
A08
A10
W24L2-B00, B0Z
B06
W24L2-C00, C0Z
C06
W30L2-A00*, A0Z*
A05*
A08
A10*
A15
W30L2-B00*, B0Z*
B09*
B15
W30L2-C00*, C0Z*
C09*
C15
W36L2-A00*, A0Z*
A05*
A10*
A15
W36L2-B00*, B0Z*
B09*
B15
W36L2-C00*, C0Z*
C09*
Rated
Volts &
Phase
230/208-1
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
230/208-1
230/208-3
460-3
No.
Field
Power
Circuits
1 or 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1 or 2
1
1
1
1
1
1
1
1
1 or 2
1
1
1
1
1
1 or 2
1
1
1
1
1
1
1
1
1
1 or 2
1
1
1
1
1
1 or 2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Minimum
Circuit
Ampacity
15
18
27
56
86
28
35
53
26
42
42
60
33
51
13
17
38
53
19
19
27
56
59
85
38
39
58
84
27
12
17
26
39
84
24
33
51
26
32
32
58
33
51
11
16
32
58
84
23
11
17
26
29
84
18
33
51
24
32
47
58
15
22
9
11
21
30
46
56
16
30
46
56
Ground
Wire
12
12
10
10
8
10
10
10
10
10
10
10
10
10
12
12
10
10
10
10
10
10
10
8
10
10
10
8
10
14
12
10
10
8
10
10
10
10
10
10
10
10
10
14
12
10
10
8
10
14
12
10
10
8
12
10
10
10
10
10
10
12
10
14
14
10
10
10
10
12
10
10
10
Single Circuit j
Maximum
External
Fuse or
Ckt. Brkr.
20
20
30
60
90
40
40
60
30
60
60
60
40
60
20
20
60
60
30
30
35
60
60
90
60
50
60
90
40
15
20
30
50
90
35
35
60
30
50
50
60
35
60
15
20
35
60
90
30
15
20
30
35
90
20
35
60
35
35
50
60
20
25
15
15
30
30
50
60
20
30
50
60
Field
Power
Wire
Size
12
12
10
6
8
6
3
8
10
8
8
6
8
6
12
12
8
6
10
10
18
4
8
6
6
4
8
8
6
14
12
10
8
8
6
4
8
10
8
8
6
8
6
14
12
8
6
4
10
14
12
10
8
4
12
8
6
8
6
8
8
12
10
14
14
10
10
8
6
12
10
8
6
Minimum
Circuit
Ampacity
Dual Circuit j Maximum
External Fuse or Ckt. Breaker
Field Power
Wire Size
Ground
Wire Size
Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B Ckt. A Ckt. B
58
58
58
58
60
59
26
26
26
26
26
26
60
60
60
60
60
60
30
30
30
30
30
30
6
6
6
6
6
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10 j Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors.
Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes.
These “Minimum Circuit Ampacity” values are to be used for sizing the field power conductors. Refer to the National Electrical code (latest version), Article 310 for power conductor sizing.
Caution: When more than one field power circuit is run through one conduit, the conductors must be derated. Pay special attention to note 8 of Table 310 regarding Ampacity
Adjustment Factors when more than three (3) current carrying conductors are in a raceway.
* Top outlet supply option is available only factory installed and only on the selected models.
IMPORTANT: While this electrical data is presented as a guide, it is important to electrically connect properly sized fuses and conductor wires in accordance with the National
Electrical Code and all local codes.
Manual 2100-581C
Page 21 of 26
TABLE 5
RECOMMENDED AIRFLOW
Model
W17A, W17L
W18A, W18L
W24A, W24L
W30A, W30L
W36A, W36L
W42A, W42L
W48A, W48L
W60A, W60L
W70A, W70L
Nominal
Rated
CFM *
600
550
800
1000
1100
1400
1550
1700
1700
Nominal
Rated
ESP *
.40
.45
.30
.30
.20
.45
.30
.40
.20
Recommended
Airflow Range
* Rated CFM and ESP on factory speed connection.
550 - 725
550 - 725
700 - 950
850 - 1300
930 - 1350
1600 - 1150
1750 - 1285
1950 - 1375
1950 - 1375
Factory Speed
Connection
Low
Low
Single
High
High
High
High
High
High
Speed
High
W17/18
Low
W24
Single High
TABLE 6
INDOOR BLOWER PERFORMANCE
W30
Low High
W36
Low High
W42/48
Low High
W60
Low High
W70
Low
ESP
(Inch
H20)
0.0
0.1
0.2
0.3
0.4
0.5
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
Dry
Coil
Wet
Coil
1045 1025 760 745 990 970 1370 1285 910 885 1415 1275 955 925 1850 1800 1605 1555 2080 2015 1505 1460 2050 1845 1490 1400
1010 970 730 715 945 925 1305 1225 885 860 1350 1215 945 915 1775 1725 1545 1500 2020 1960 1450 1405 1970 1770 1425 1340
940 905 700 685 890 870 1225 1135 850 815 1265 1125 925 900 1685 1640 1460 1415 1925 1865 1395 1355 1905 1700 1375 1295
860 830 670 655 820 800 1115 1020 790 755 1190 1060 875 850 1590 1550 1390 1345 1870 1815 1340 1300 1830 1645 1225 1150
780 750 610 595 735 720 1005 910 695 660 1085 975 780 755 1495 1460 1310 1270 1755 1705 1225 1185 1725 1550 1140 1070
665 640 485 455 605 590 865 775 590 560 970 865 640 615 1400 1365 1225 1185 1660 1610 1125 1085 1500 1350 1050 985
TABLE 7
MAXIMUM ESP OF OPERATION
ELECTRIC HEAT ONLY
Model
-B0Z
-B06
-B09
-B15
-B18
-C0Z
-C06
-C09
-C15
Outlet
Speed
-A0Z
-A04
-A05
-A08
-A10
-A15
-A20
W17A/L,
W18A/L,
W24A/L
FRONT
Single
.50
.50
.50
.50
.50
High
.50
.50
.50
.50
.40
.50
.50
.50
.45
FRONT
W30A/L, W36A/L
Low
.50
.50
.50
.45
.35
.50
.40
.50
.30
High
.50
.50
.50
.50
.45
TOP
Low
.50
.45
.35
.50
.40
W42A/L, W48A/L
High
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
FRONT
Low
.50
.50
.50
.50
.45
.50
.50
.50
.50
.50
.50
.50
.50
.45
.50
.50
.40
.35
.50
.45
.50
.40
.50
.50
.50
.50
Values shown are for units equipped with standard 1-inch throwaway filter or 1-inch washable filter.
Derate ESP by .15 for 2-inch pleated filters.
W60A/L, W70A/L
High
FRONT
Low
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.50
.40
.50
.50
.50
Manual 2100-581C
Page 22 of 26
Models
KW
4
5
6
8
9
10
12
15
18
20
Amps
240V-1
BTUH
16.7
13650
20.8
17065
33.3
41.6
27300
34130
62.5
83.2
51250
68260
Amps
208V-1
BTUH
14.4
10240
18.1
12800
TABLE 8
ELECTRIC HEAT
Amps
240V-3
BTUH
14.4
20500
28.8
20475
21.7
30600
36.2
25600
54.0
72.1
38400
51200
36.2
43.3
51200
61430
Amps
208V-3
BTUH
12.5
18.7
31.2
37.5
15360
23030
38400
46100
Amps
460V-3
BTUH
7.2
10.8
14.4
18.0
20500
30700
40950
51200
Manual 2100-581C
Page 23 of 26
TABLE 9A
OPTIONAL ACCESSORIES — RIGHT HAND
CIRCUIT BREAKER (WMCB) & PULL
Manual 2100-581A
Page 24 of 26
EHWA37-B15
EHWC03A-C06
EHWC03A-C09
EHWA03A-C12
EHWA03A-C15
EHWA05-A05
EHWA05-A10
EHWA05-A15
EHWA05-A20
EHWA05-B09
EHWA05-B15
EHW05A-B18
EHWA05-B18
EHWA05A-C09
EHWA02-A05 X
EHW02A-A08 X
EHWA02A-A10 X
EHWA24-A04
EHWA24-B06
EHWH24B-C06
EHWA03-A05
EHWA03-A08
EHWA03-A10
EHWA03-A15
EHWA03-B06
EHW36A-B06
EHWA03-B09
EHWA05A-C15
EHWA60-A05
EHW60A-B09
EHW70A-B09
EHW70A-B18
WMCB-01B
WMCB-02A
WMCB-02B
WMCB-03A
WMCB-04B
WMCB-05A
WMCB-05B
WMCB-06B
WMCB-08A
WMCB-09A
WMPD-01C
WMCB-08B
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
TABLE 9B
OPTIONAL ACCESSORIES — LEFT HAND
CIRCUIT BREAKER (WMCB) & PULL
EHWA02A-A05L
EHW02A-A08L
EHWA02-A10L
EHWA24-B06L
EHWA03-A05L
EHWA03-A08L
EHWA03-A10L
EHWA03-A15L
EHWA03-B09L
EHWA37-B15L
EHWC03-C09L
EHWA03-C15L
EHWA05-A05L
EHWA05-A10L
EHWA05-A15L
EHWA05-B09L
EHWA05-B15L
EHWA05A-C09L
EHWA05A-C15L
EHWA60-A05L
EHWA60-B09L
EHW70A-B09L
WMCB-01B
WMCB-02A
WMCB-02B
WMCB-03A
WMCB-04B
WMCB-05A
WMCB-05B
WMCB-06B
WMCB-08A
WMCB-09A
WMPD-01C
WMCB-09B
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X X
X
X X
X
X X
X X X X
X
X
X
X
X
Manual 2100-581C
Page 25 of 26
TABLE 10
VENT & CONTROL OPTIONS
Part Number
CMC-14
CMC-15
CMC-23
CMC-24
CMC-28
BFAD-2
BOP-2
MFAD-2
CRV-2
ECONWMS-E2
ECONWMT-E2
ECONWMT-T2
ERVF-A2
ERVF-C2
BFAD-3
BOP-3
MFAD-3
CRVS-3
CRVP-3
ECONWMS-E3
ECONWMT-E3
ECONWMT-T3
ERVF-A3
ERVF-C3
BFAD-5
BOP-5
MFAD-5
CRVS-5
CRVP-5
ECONWMS-E5
ECONWMT-E5
ECONWMT-T5
ERVF-A5
ERVF-C5
Description
ODT
Start Kit (230V 1-Phase)
DDC
DDC
LAC
Barometric Fresh Air Damper - Standard
Blank Off Plate
Motorized Fresh Air Damper
Commercial Ventilator - Spring Return
Economizer - School Version, Enthalpy
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
Energy Recovery Ventilator - 230 Volt
Energy Recovery Ventilator - 460 Volt
Barometric Fresh Air Damper - Standard
Blank Off Plate
Motorized Fresh Air Damper
Commercial Ventilator - Spring Return
Commercial Ventilator - Power Return
Economizer - School Version, Enthalpy
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
Energy Recovery Ventilator - 230 Volt
Energy Recovery Ventilator - 460 Volt
Barometric Fresh Air Damper - Standard
Blank Off Plate
Motorized Fresh Air Damper
Commercial Ventilator - Spring Return
Commercial Ventilator - Power Return
Economizer - School Version, Enthalpy
Economizer - Bldg. Equipment, Enthalpy
Economizer - Bldg. Equipment, DB Temp.
Energy Recovery Ventilator - 230 Volt
Energy Recovery Ventilator - 460 Volt
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Manual 2100-581C
Page 26 of 26
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