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INSTALLATION INSTRUCTIONS
© Copyright 2008
WALL MOUNTED
PACKAGE HEAT PUMPS
MODELS
W18H1
W24H1
W30H1
W36H1
W42H1
W48H1
W60H1
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914...Moving ahead just as planned.
Manual :
2100-511
Supersedes:
NEW
File:
Volume III Tab 17
Date:
10-14-08
Manual
2100-511
Page
1 of 27
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Summary of Contents for Bard W18H1
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMPS MODELS W18H1 W24H1 W30H1 W36H1 W42H1 W48H1 W60H1 Bard Manufacturing Company, Inc. Manual : 2100-511 Bryan, Ohio 43506 Supersedes: File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 10-14-08 Manual 2100-511 ©...
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Page 2: Table Of Contents
Contents Start Up Getting Other Information and Publications General .............. 15 Topping Off System Charge ........15 Wall Mount General Information Safety Practices ............. 15 Wall Mount Model Nomenclature ......4 Important Installer Note ......... 16 Shipping Damage ............ 4 Wall Mounted Air Conditioner ........ -
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 HEAT PUMP WALL MOUNT MODEL NOMENCLATURE – CONTROL MODULES REVISIONS MODEL NUMBER (See Spec. Sheet S3397) CAPACITY 18 - 1½ Ton VOLTS & PHASE COIL OPTIONS 24 - 2 Ton A - 230/208/60/1 X - Standard COLOR OPTIONS 30 - 2½... -
Page 5: Duct Work
Any grille that meets with 5/8 inch louver criteria may be top of the unit down to the unit base. There are used. It is recommended that Bard Return Air Grille Kit openings in the unit base for the drain hose to pass RG2 through RG5 or RFG2 through RFG5 be installed through. -
Page 6: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 1. Two holes for the supply and return air openings WARNING 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 Failure to provide the 1/4 inch clearance unit without transmitting any unit vibration. -
Page 7: Figure 2 Unit Dimensions
FIGURE 2 All dimensions are in inches. Dimensional drawings are not to scale. W**H RIGHT UNIT BACK VIEW SIDE VIEW FRONT VIEW *Optional top outlet (factory installed only) for W30H and W36H models only. Manual 2100-511 Page 7 of 27... -
Page 8: Figure 3A Mounting Instructions
Manual 2100-511 Page 8 of 27... -
Page 9: Figure 3B Mounting Instructions - W18, W24, W30, W36
Manual 2100-511 Page 9 of 27... -
Page 10: Figure 3C Mounting Instructions - W42, W48, W60
Manual 2100-511 Page 10 of 27... -
Page 11: Figure 4 Electric Heat Clearance
FIGURE 4 ELECTRIC HEAT CLEARANCE W30H1, W36H1, W42H1, W48H1, W60H1 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. -
Page 12: Figure 5 Wall Mounting Instructions
FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FIGURE 6 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 2, FOR ACTUAL DIMENSIONS IF REQUIRED IF REQUIRED Manual 2100-511 Page 12 of 27... -
Page 13: Figure 7 Common Wall Mounting Installations
FIGURE 7 COMMON WALL MOUNTING INSTALLATIONS Manual 2100-511 Page 13 of 27... -
Page 14: Wiring - Main Power
WIRING – LOW VOLTAGE WIRING WIRING – MAIN POWER 230/208V, 1 phase and 3 phase equipment dual primary Refer to the unit rating plate for wire sizing information voltage transformers. All equipment leaves the factory and maximum fuse or “HACR” type circuit breaker wired on 240V tap. -
Page 15: Start Up
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 16: 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 17: Sequence Of Operation
If some abnormal or temporary condition such as a high SEQUENCE OF OPERATION wind causes the heat pump to have a prolonged defrost Circuit R-Y makes at thermostat pulling in COOLING – cycle, the heat pump control will restore the system to compressor contactor, starting the compressor and heating operation automatically after 10 minutes. -
Page 18: Figure 8 Defrost Control Board
FIGURE 8 DEFROST CONTROL BOARD Manual 2100-511 Page 18 of 27... -
Page 19: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL 4. Set system switch to “heat” or “cool”. Adjust TROUBLESHOOTING PROCEDURE thermostat to call for heat or cool. The indoor blower, compressor and outdoor fan should start. 1. NOTE: A thorough understanding of the defrost NOTE: If there was no power to 24 volt transformer, cycle sequence is essential. -
Page 20: Checking Temperature Sensor
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance. Use OUTSIDE UNIT CIRCUIT sensor ambient temperature. (Tolerance of part is ± 10%.) 1. Disconnect temperature sensor from board and from outdoor coil. 4. If sensor resistance reads very low, then sensor is shorted and will not allow proper operation of the 2. -
Page 21: Figure 9 Fan Blade Setting
TROUBLESHOOTING FAN BLADE SETTING DIMENSIONS REFRIGERANT CHARGE Shown in Figure 9 is the correct fan blade setting for The correct system R-410A charge is shown on the unit proper air delivery across the outdoor coil. Refer to rating plate. Optimum unit performance will occur with Table 2 for unit specific dimension. -
Page 22: Table 4A Cooling Pressure
TABLE 4A 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 5 Electrical Specifications W**H
TABLE 5 Electrical Specifications — W**H Series s t l 1 Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. 2 Based on 75C copper wire. All wiring must conform to the National Electrical Code and all local codes. 3 These “Minimum Circuit Ampacity”... -
Page 24: Table 6 Recommended Airflow
TABLE 6 RECOMMENDED AIRFLOW f r i * Rated CFM and ESP on high speed tap. 1 Rated CFM and ESP on low speed tap. TABLE 7 INDOOR BLOWER PERFORMANCE — — — — — — — — — — —... -
Page 25: Table 9 Electric Heat
TABLES 8 MAXIMUM ESP OF OPERATION ELECTRIC HEAT ONLY - - - - - - - - - - - - - - - - - - - - - - - - TABLE 9 ELECTRIC HEAT Manual 2100-511 Page 25 of 27... -
Page 26: Table 10 Optional Accessories
TABLE 10 OPTIONAL ACCESSORIES Manual 2100-511 Page 26 of 27... -
Page 27: Table 11 Vent & Control Options
TABLE 11 VENT & CONTROL OPTIONS ) y l ) y l l a i a l i a l i t l o l a i a l i l a i a l i a l i t l o a l i t l o l a i...