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INSTALLATION
INSTRUCTIONS
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
WALL MOUNTED
PACKAGED
AIR CONDITIONER
Models:
WA3S3
WA4S3
WA5S3
NOTE
T
HIS IS AN
H
P
IGH
RESSURE
R
EFRIGERANT
Manual :
Supersedes:
File:
Date:
WL3S2
WL4S2
WL5S2
R-410A
S
YSTEM
2100-526E
2100-526D
Volume III Tab 16
07-16-12
Manual
2100-526E
Page
1 of 24
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Summary of Contents for Bard WA3S3
- Page 1 WA3S3 WL3S2 WA4S3 WL4S2 WA5S3 WL5S2 NOTE R-410A HIS IS AN RESSURE EFRIGERANT YSTEM Bard Manufacturing Company, Inc. Manual : 2100-526E Supersedes: 2100-526D Bryan, Ohio 43506 File: Volume III Tab 16 Since 1914...Moving ahead just as planned. Date: 07-16-12 Manual...
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Page 2: Table Of Contents
CONTENTS Start Up General ............. 13 Topping Off System Charge ........13 Getting Other Information and Publications Safety Practices ............. 13 For more information contact these publishers ..3 Important Installer Note ......... 14 Crankcase Heaters ..........14 Wall Mount General Information High &... -
Page 3: Getting Other Information And Publications
Getting Other Information and Publications FOR MORE INFORMATION, CONTACT These publications can help you install the air conditioner or heat pump. You can usually find these at your local THESE PUBLISHERS: library or purchase them directly from the publisher. Be sure to consult current edition of each standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE – MODEL CONTROL MODULES REVISION NUMBER WA – Right Hand WL – Left Hand COIL OPTIONS X – Standard VOLTS & PHASE A – 230/208-1 OUTLET OPTIONS CAPACITY B – 230/208/60-3 3S –... -
Page 5: Figure 1 Unit Dimensions
TABLE 2 DIMENSIONS OF BASIC UNIT FOR ARCHITECTURAL & INSTALLATION REQUIREMENTS (NOMINAL) All dimensions in inches. Dimensional Drawings are not to scale. FIGURE 1 UNIT DIMENSIONS WA*S* RIGHT Built In 7.88 31.88 UNIT Rain Hood 1.00 4° Pitch Heater 2.13 Access Side Wall Panel... -
Page 6: Table 3 Electrical Specifications
Manual 2100-526E Page 6 of 24... -
Page 7: Shipping Damage
Any grille that meets the 5/8 inch louver criteria, may be and/or local codes in any way. Authorities having used. It is recommended that Bard Return Air Grille Kit jurisdiction should be consulted before the installation is RG-5 or RFG-5 be installed when no return duct is used. -
Page 8: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 3. Locate and mark lag bolt locations and bottom mounting bracket location. See Figure 4. 1. Two holes, for the supply and return air openings, 4. Mount bottom mounting bracket. must be cut through the wall as shown in Figure 3. 5. -
Page 9: Figure 2 Mounting Instructions
The unit rating plate lists a “Maximum Time Delay To convert for the locking capability, bend the tab Relay Fuse” or “HACR” type circuit breaker that is to located in the bottom left hand corner of the disconnect be used with the equipment. The correct size must be opening under the disconnect access panel straight out. -
Page 10: Figure 3 Wall-Mounting Instructions
FIGURE 3 WALL-MOUNTING INSTRUCTIONS SEE FIGURE 3 — MOUNTING INSTRUCTIONS WALL STRUCTURE FACTORY SUPPLIED RAIN FLASHING. MOUNT ON UNIT BEFORE INSTALLATION SUPPLY AIR SUPPLY AIR SUPPLY AIR DUCT OPENING OPENING RETURN AIR RETURN AIR RETURN AIR OPENING OPENING OPENING BOTTOM MOUNTING WOOD OR STEEL SIDING BRACKET. -
Page 11: Figure 5 Common Wall-Mounting Instructions
FIGURE 5 COMMON WALL-MOUNTING INSTALLATIONS SUPPLY DUCT MAY BE LOCATED IN AN ATTIC OR BELOW CEILING RAFTERS AS SHOWN RAIN RAIN FLASHING RAFTERS FLASHING RAFTERS FINISHED CEILING SURFACE SUPPLY AIR DUCT SUPPLY AIR DUCT FINISHED CEILING SURFACE W/ GRILLE RETURN AIR RETURN AIR OPENING W/ GRILLE OPENING W/ GRILLE... -
Page 12: Wiring - Low Voltage Wiring
FIGURE 6 ELECTRIC HEAT CLEARANCE 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. -
Page 13: Start Up
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. Topping off the system charge can be done without problems. -
Page 14: Figure 7 Start-Up Label
START UP CONTINUED IMPORTANT INSTALLER NOTE HIGH & LOW PRESSURE SWITCH For improved start-up performance, wash the indoor coil All models covered by this Manual are supplied with a with a dishwasher detergent. remote reset high pressure switch and low pressure switch. -
Page 15: Service Hints
SERVICE HINTS Adjustable Delay On Make And Break Timer On initial power up or anytime power is interrupted to the 1. Maintain clean air filters at all times. Also, do not close unit, the delay on make period begins, which will be 2 off or block supply and return air registers. -
Page 16: Adjustments
Alarm Relay Output PHASE MONITOR Alarm terminal is output connection for applications All units with three phase scroll compressors are where alarm relay is employed. This terminal is equipped with a 3-phase line monitor to prevent powered whenever compressor is locked out due to HPC compressor damage due to phase reversal. -
Page 17: Figure 8 Fan Blade Setting
TROUBLESHOOTING COMPRESSOR SOLENOID FAN BLADE SETTING DIMENSIONS Shown in the drawing below are the correct fan blade (See Sequence of Operation on Page 15 for function.) A setting dimensions for proper air delivery across the nominal 24-volt direct current coil activates the internal outdoor coil. -
Page 18: R-410A Refrigerant Charge
TROUBLESHOOTING CONT’D. The following pressure tables show nominal pressures R-410A for the units. Since many installation specific situations can affect the pressure readings, this REFRIGERANT CHARGE information should only be used by certified technicians as a guide for evaluating proper system This unit was charged at the factory with the quantity performance. -
Page 19: Pressure Chart
TABLE 8 COOLING PRESSURE – (ALL TEMPERATURES °F) ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 °... -
Page 20: Ge Ecm ™ Motors
TROUBLESHOOTING GE ECM MOTORS ™ CAUTION: Symptom Cause/Procedure • Noisy blower or cabinet • Check for loose blower housing, panels, etc. Disconnect power from unit before removing or replacing • High static creating high blower speed? connectors, or servicing motor. To avoid electric shock - Check for air whistling through seams in from the motor’s capacitors, disconnect power and wait at ducts, cabinets or panels... -
Page 21: Figure 9 Control Disassembly
TROUBLESHOOTING GE ECM MOTORS CONT’D. ™ 8b. IF REPLACING AN ECM 2.3 CONTROL WITH AN ECM 2.3 Replacing ECM Control Module CONTROL, the plastic tab and shorter through-bolts are not needed. The To replace the control module for the GE variable-speed indoor blower control can be oriented in two positions 180°... -
Page 22: Table 9 Indoor Blower Performance
TABLE 9 INDOOR BLOWER PERFORMANCE 1 1 1 1 1 2 2 2 2 2 3 3 3 3 3 4 4 4 4 4 5 5 5 5 5 6 6 6 6 6 1 Motor will deliver consistent CFM through voltage supply range with no deterioration. (197-253V for 230/208V models, 414-506V for 460V models) 2 Continuous CFM is the total air being circulated during continuous (manual) fan mode. -
Page 23: Optional Accessories
TABLE 11 OPTIONAL ACCESSORIES i t n t a l h t i o i t h t i i t n t a l i t n t a l Manual 2100-526E Page 23 of 24... -
Page 24: Table 12 Opt. Accessories (Wl)
TABLE 12 OPTIONAL ACCESSORIES i t n t a l h t i o i t h t i i t n t a l i t n t a l Manual 2100-526E Page 24 of 24...