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Summary of Contents for Bard WH185
- Page 1 INSTALLATION INSTRUCTIONS WALL MOUNTED PACKAGE HEAT PUMP Models WH185 WH242 Bard Manufacturing Company, Inc. Manual : 2100-501 Supersedes: Bryan, Ohio 43506 File: Volume III Tab 17 Since 1914...Moving ahead just as planned. Date: 01-10-08 Manual 2100-501 Page 1 of 21...
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Page 2: Table Of Contents
Contents Getting Other Informations and Publications Start Up Important Installer Note ......... 15 Wall Mount General Information Crankcase Heaters ..........15 Heat Pump Wall Mount Model Nomenclature ..4 Service Hints ............15 Shipping Damage ............ 4 Sequence of Operation .......... 15 General ............ -
Page 3: Getting Other Informations And Publications
Getting Other Information and Publications These publications can help you install the air For more information, contact these conditioner or heat pump. You can usually find these at 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 MODEL NUMBER REVISIONS VOLTS & PHASE A - 230/208/60/1 COIL OPTIONS CAPACITY B - 230/208/60/3 COLOR OPTIONS X - Standard 18 - 1½ Ton C - 460/60/3 X - Beige (Standard) 1 - Phenolic Coated Evaporator 24 - 2 Ton... -
Page 5: Figure 1 Unit Dimensions
Manual 2100-501 Page 5 of 21... -
Page 6: Duct Work
TABLE 2 ELECTRICAL SPECIFICATIONS 1 Maximum size of the time delay fuse or HACR type circuit breaker for protection of field wiring conductors. 2 Based on 75° C copper wire. All wiring must conform to NEC and all local codes. 3 Maximum KW that can operate with heat pump on. -
Page 7: Filters
Any grille that meets the 5/8 inch louver criteria may be blank-off plate in place and is recommended for used. It is recommended that Bard Return Air Grille Kit maximum energy efficiency. RG2 or RFG2 be installed when no return duct is used. -
Page 8: Installation Instructions
INSTALLATION INSTRUCTIONS WALL MOUNTING INFORMATION 3. Mount bottom mounting bracket, if used. 1. These units are secured by wall mounting brackets 4. Hook top rain flashing under back bend of top. Top which secure the unit to the outside wall surface at rain flashing is shipped secured to the right side of both sides. -
Page 9: Figure 3 Mounting Instructions
Manual 2100-501 Page 9 of 21... -
Page 10: Figure 4 Wall Mounting Instructions
FIGURE 4 WALL MOUNTING INSTRUCTIONS SEE FIGURE 3 – MOUNTING INSTRUCTIONS FIGURE 5 WALL MOUNTING INSTRUCTIONS SEE UNIT DIMENSIONS, FIGURE 1, FOR ACTUAL DIMENSIONS Manual 2100-501 Page 10 of 21... -
Page 11: Figure 6 Common Wall Mounting Installations
FIGURE 6 COMMON WALL MOUNTING INSTALLATIONS Manual 2100-501 Page 11 of 21... -
Page 12: Wiring - Main Power
WIRING – MAIN POWER The unit rating plate lists a “Maximum Time Delay Relay Fuse” or “HACR” type circuit breaker that is to Refer to the unit rating plate for wire sizing information be used with the equipment. The correct size must be and maximum fuse or “HACR”... -
Page 13: Wiring - Low Voltage Wiring
WIRING – LOW VOLTAGE WIRING OPTIONAL OUTDOOR THERMOSTAT APPLICATIONS 230/208V, 1 phase and 3 phase equipment dual primary Since most equipment at the time of manufacture is not voltage transformers. All equipment leaves the factory designated for any specific destination of the country wired on 240V tap. -
Page 14: Figure 9 Electric Heat Hold-Off Wiring
efficiency by utilizing the heat pump to bring the ELECTRIC HEAT HOLD-OFF (See Figure 9) conditioned space temperature up, rather than cycling In other applications, it is desirable to disable the on the electric heat due a second stage call for heat from operation of the electric heat until outdoor temperatures the thermostat on start-up coming off a night set-back have reached a certain design point. -
Page 15: Figure 10 Start Up Procedure Decal
START UP HEATING – a 24V solenoid coil on reversing valve IMPORTANT INSTALLER NOTE controls heating cycle operation. Two thermostat For improved start up performance, wash the indoor coil options, one allowing “Auto” changeover from cycle to with a dish detergent. cycle, and the other constantly energizing solenoid coil during heating season and thus eliminating pressure CRANKCASE HEATERS... -
Page 16: Figure 11 Defrost Control Board
The heat pump defrost control board has an option of PRESSURE SERVICE PORTS 30, 60 or 90-minute setting. All models are shipped High and low pressure service ports are installed on all from the factory on the 60-minute pin. If special units so that the system operating pressures can be circumstances require a change to another time, remove observed. -
Page 17: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL 3. Turn thermostat blower to “auto” position. Indoor TROUBLESHOOTING PROCEDURE blower should stop. NOTE: Many models have a 1-minute blower time delay on “off” command; 1. NOTE: A thorough understanding of the defrost wait for this to time-out. cycle sequence is essential. -
Page 18: Checking Temperature Sensor Outside Unit Circuit
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance use OUTSIDE UNIT CIRCUIT. ambient temperature. (Tolerance of part is ± 10%.) 1. Disconnect temperature sensor from outdoor coil. 4. If sensor resistance reads very low, then sensor is shorted and will not allow proper operation of the 2. -
Page 19: Figure 12 Fan Blade Setting
The suction line temperatures in Table 7 are based upon FAN BLADE SETTING DIMENSIONS 80°F dry bulb/67°F wet bulb (50% R.H.) temperature Shown in Figure 12 are the correct fan blade setting and rated airflow across the evaporator during cooling dimensions for proper air delivery across the outdoor coil. -
Page 20: Pressure Tables
TABLE 11 – PRESSURE TABLE COOLING Air Temperature Entering Outdoor Coil °F TABLE 12 – PRESSURE TABLE HEATING Air Temperature Entering Outdoor Coil °F Low Side Pressure ± 2 PSIG High Side Pressure ± 5 PSIG Tables are based upon rated CFM (airflow) across the evaporator coil and should be found under section titled “Refrigerant Charge”... -
Page 21: Optional Accessories
TABLE 13 OPTIONAL ACCESSORIES i t n t a l i t n t a l t i u t i u t i u l l u Manual 2100-501 Page 21 of 21...
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