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INSTALLATION INSTRUCTIONS
WALL MOUNTED
PACKAGE AIR CONDITIONERS
W48A12
W60A12
W48A13
W60A13
W70A13
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
MODELS
W48L12
W60L12
W48L13
W60L13
W70L13
Manual :
2100-515B
Supersedes:
2100-515A
File:
Volume III Tab 16
Date:
12-15-11
Manual
2100-515B
Page
1 of 23
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Summary of Contents for Bard W48A12
- Page 1 PACKAGE AIR CONDITIONERS MODELS W48A12 W48L12 W60A12 W60L12 W48A13 W48L13 W60A13 W60L13 W70A13 W70L13 Bard Manufacturing Company, Inc. Manual : 2100-515B Supersedes: 2100-515A Bryan, Ohio 43506 File: Volume III Tab 16 Since 1914...Moving ahead just as planned. Date: 12-15-11 Manual...
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Page 2: Table Of Contents
Contents Start Up — R-410A Getting Other Information and Publications General .............. 18 Topping Off System Charge ........18 Wall Mount General Information Safety Practices ............. 18 Wall Mount Model Nomenclature ......4 Important Installer Note ......... 19 Shipping Damage ............ 4 High &... -
Page 3: Getting Other Information And Publications
GETTING OTHER INFORMATION AND PUBLICATIONS These publications can help you install the air FOR MORE INFORMATION, CONTACT conditioner or heat pump. You can usually find these at THESE PUBLISHERS: your local library or purchase them directly from the publisher. Be sure to consult current edition of each ACCA Air Conditioning Contractors of America standard. -
Page 4: Wall Mount General Information
WALL MOUNT GENERAL INFORMATION AIR CONDITIONER WALL MOUNT MODEL NOMENCLATURE CONTROL MODULES REVISIONS MODEL NUMBER (See Spec. Sheet S3397) COIL OPTIONS CAPACITY VOLTS & PHASE X - Standard 48 - 4 Ton COLOR OPTIONS A - 230/208/60/1 1 - Phenolic Coated Evaporator 60 - 5 Ton X - Beige (Standard) 2 - Phenolic Coated Condenser... -
Page 5: Duct Work
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. -
Page 6: Installation Instructions
Figure 1 or 2. Figure 1 is for models W48A13 and W60A13. Failure to provide the 1/4 inch clearance Figure 2 is for models W48A12 and W60A13. between the supply duct and a combustible Figure 3 is for models W48L13 and W60L13. -
Page 7: Figure 1 Unit Dimensions
Manual 2100-515B Page 7 of 23... -
Page 8: Figure 2 Unit Dimensions
Manual 2100-515B Page 8 of 23... -
Page 9: Figure 3 Unit Dimensions
Manual 2100-515B Page 9 of 23... -
Page 10: Figure 4 Unit Dimensions
Manual 2100-515B Page 10 of 23... -
Page 11: Figure 5 Unit Dimensions
FIGURE 5 UNIT DIMENSIONS — W70A13 43.88 Built In Slope 22.25 43.00 Top 2° Pitch 7.06 27.88 Electric 42.00 2.13 Heat Heater Supply Access 7.88 Air Opening Panel 16.00 Side Wall Mounting Brackets 17.94 (Built In) Circuit Breaker 16.00 Disconnect Access Panel (Lockable) 4.56 Return... -
Page 12: Figure 7 Wall Mounting Instructions
Manual 2100-515B Page 12 of 23... -
Page 13: Figure 8 Wall Mounting Instructions
Manual 2100-515B Page 13 of 23... -
Page 14: Figure 9 Electric Heat Clearance
FIGURE 9 ELECTRIC HEAT CLEARANCE W48A13, W48L13, W60A13, W60L13, W70A13, W70L13 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. -
Page 15: Figure 10 Wall Mounting Installations
FIGURE 10 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 16: Figure 12 Common Wall Mounting Installations
FIGURE 12 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... -
Page 17: Wiring - Main Power
WIRING – LOW VOLTAGE WIRING WIRING – MAIN POWER Refer to the unit rating plate for wire sizing information 230/208V, 1 phase and 3 phase equipment dual primary and maximum fuse or “HACR” type circuit breaker voltage transformers. All equipment leaves the factory wired on 240V tap. -
Page 18: General
7. Never fill cylinders over 80% of total capacity. TOPPING OFF SYSTEM CHARGE 8. Store cylinders in a cool area, out of direct If a leak has occurred in the system, Bard Manufacturing sunlight. recommends reclaiming, evacuating (see criteria above), 9. -
Page 19: Important Installer Note
START UP (Continued) IMPORTANT INSTALLER NOTE PHASE MONITOR For improved start up performance wash the indoor coil All units with three phase scroll compressors are with a dish washing detergent. equipped with a 3 phase line monitor to prevent compressor damage due to phase reversal. HIGH &... -
Page 20: Sequence Of Operation
Alarm Relay Output SEQUENCE OF OPERATION COOLING – Circuit R-Y makes at thermostat pulling Alarm terminal is output connection for applications in compressor contactor, starting the compressor and where alarm relay is employed. This terminal is outdoor motor. The G (indoor motor) circuit is powered whenever the compressor is locked out due to automatically completed on any call for cooling HPC or LPC sequences as described. -
Page 21: Figure 13 Fan Blade Setting
TROUBLESHOOTING REMOVAL OF FAN SHROUD FAN BLADE SETTING DIMENSIONS 1. Disconnect all power to the unit. Shown in Figure 13 is the correct fan blade setting for proper air delivery across the outdoor coil. Refer to 2. Remove the screws holding both grilles, one on each Table 2 for unit specific dimension. -
Page 22: Table 5 Cooling Pressure
TABLE 5 COOLING PRESSURE TABLE Air Temperature Entering Outdoor Coil °F Low side pressure ± 4 PSIG High side pressure ± 10 PSIG 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. -
Page 23: Table 7 Optional Accessories
TABLE 7 OPTIONAL ACCESSORIES t i u t i u TABLE 8 ELECTRIC HEAT W48A12, W48L12, W60A12, W60L12, W48A13, W48L13, W60A13, W60L13 ARE NOT APPROVED FOR USE WITH ELECTRIC HEAT. Manual 2100-515B Page 23 of 23...