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INSTALLATION
INSTRUCTIONS
WALL MOUNTED PACKAGED
AIR CONDITIONER
Models:
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead, just as planned.
WA3S1
WA4S1
WA5S1
NOTE
T
HIS IS AN
H
P
IGH
RESSURE
R
EFRIGERANT
Manual No.:
Supersedes: 2100-451D
File:
Date:
R-410A
S
YSTEM
2100-451E
Volume III, Tab 16
09-02-08
Manual
2100-451E
Page
1 of 24
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Summary of Contents for Bard WA3S1
- Page 1 WA3S1 Models: INSTRUCTIONS WA4S1 WA5S1 NOTE R-410A HIS IS AN RESSURE EFRIGERANT YSTEM Bard Manufacturing Company, Inc. Manual No.: 2100-451E Supersedes: 2100-451D Bryan, Ohio 43506 File: Volume III, Tab 16 Since 1914...Moving ahead, just as planned. Date: 09-02-08 Manual 2100-451E...
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Page 2: Table Of Contents
CONTENTS Start Up General ............. 14 Topping Off System Charge ........14 Getting Other Information and Publications Safety Practices ............. 14 For more information contact these publishers ..3 Important Installer Note ......... 15 Crankcase Heaters ..........15 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 1 – MODEL NUMBER CONTROL MODULES REVISION CAPACITY 3S – 3 Ton COIL OPTIONS 4S – 4 Ton X – Standard 5S – 5 Ton VOLTS & PHASE A – 230/208-1 OUTLET OPTIONS B –... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-451E Page 5 of 24... -
Page 6: Table 3 Electrical Specifications
Manual 2100-451E 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 FIGURE 4 WALL-MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS SEE FIGURE 1 FOR DUCT DIMENSIONS Manual 2100-451E Page 10 of 24... -
Page 11: Figure 5 Common Wall-Mounting Instructions
FIGURE 5 COMMON WALL-MOUNTING INSTALLATIONS Manual 2100-451E Page 11 of 24... -
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: Figure 7 Low Voltage Wiring
FIGURE 7 LOW VOLTAGE WIRING Manual 2100-451E Page 13 of 24... -
Page 14: 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 15: Figure 8 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 16: Service Hints
COMPRESSOR CONTROL MODULE SERVICE HINTS The compressor control module is standard on the models 1. Maintain clean air filters at all times. Also, do not close covered by this manual. The compressor control is an off or block supply and return air registers. This reduces anti-short cycle/lockout timer with high and low pressure air flow through the system, which shortens equipment switch monitoring and alarm relay output. -
Page 17: 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 18: Figure 9 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 16 for function.) A setting dimensions for proper air delivery across the nominal 24-volt direct current coil activates the internal outdoor coil. -
Page 19: R-410A Refrigerant Charge
TROUBLESHOOTING CONT’D. TABLE 8 R-410A LIQUID LINE TEMPERATURE ° 5 ° 2 REFRIGERANT CHARGE f r i The correct system R-410A charge is shown on the unit rating plate. Optimum unit performance will occur with a refrigerant charge resulting in a liquid line temperature (the cooling expansion device) as shown in Table 8 or by pressures as shown in Table 9 (Page 22). -
Page 20: Table 9 Cooling Pressure
TABLE 9 COOLING PRESSURE – (ALL TEMPERATURES °F) ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 ° 5 ° 2 ° 5 ° 2 ° 0 ° 7 °... -
Page 21: 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 22: Figure 10 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 motor control can be oriented in two positions 180°... -
Page 23: Table 10 Indoor Blower Performance
TABLE 10 INDOOR BLOWER PERFORMANCE Motor will deliver consistent CFM through voltage supply range with no deterioration. (197-253V for 230/208V models, 414-506V for 460V models) Continuous CFM is the total air being circulated during continuous (manual) fan mode. Will occur automatically with a call for "Y1" signal from thermostat. Will occur automatically with a call for "Y2"... -
Page 24: Optional Accessories
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 2100-451E Page 24 of 24...
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