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INSTALLATION INSTRUCTIONS
© Copyright 2004
SINGLE PACKAGE
HEAT PUMPS
Models:
PH11242
PH11301
PH11361
PH11422
PH10481
PH1060
Bard Manufacturing Company, Inc.
Bryan, Ohio 43506
Since 1914 . . . Moving ahead, just as planned.
PH12241
PH1230
PH1236
PH1242
PH12481
Manual :
Supersedes:
File:
Date:
2100-354F
2100-354E
Volume II Tab 11
12-20-06
Manual 2100-354F
Page
1 of 32
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Table of Contents
Troubleshooting
Related Manuals for Bard PH11242
Summary of Contents for Bard PH11242
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Page 1: Installation Instructions
PH11242 PH12241 PH11301 PH1230 PH11361 PH1236 PH11422 PH1242 PH10481 PH12481 PH1060 Bard Manufacturing Company, Inc. Manual : 2100-354F Bryan, Ohio 43506 Supersedes: 2100-354E File: Volume II Tab 11 Since 1914 . . . Moving ahead, just as planned. Date: 12-20-06 Manual 2100-354F ©... -
Page 2: Table Of Contents
CONTENTS Getting Other Informations and Publications Start Up and Operation Three Phase Scroll Compressor Start Up General Instructions Information ............. 21 Important ..............3 Sequence of Operation .......... 21 Shipping Damage ............ 4 Defrost Cycle ............22 General ..............4 Field-Installed Heater Packages (Optional) ..... -
Page 3: Getting Other Information And Publications
Getting Other Information and Publications These publications can help you install the air conditioner FOR MORE INFORMATION, CONTACT 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: General Instructions
GENERAL INSTRUCTIONS These instructions and any instructions packaged with any IMPORTANT separate equipment required to make up the entire heat The equipment covered in this manual is to be installed by pump system should be carefully read before beginning the trained, experienced service and installation technicians. -
Page 5: Table 2 Electrical Data
TABLE 2 ELECTRICAL DATA i n i t i u y t i l a t t i n l l o l l o l l o l l o l l o l l o s t l "... -
Page 6: Table 2A Electrical Data
TABLE 2A ELECTRICAL DATA i n i t i u y t i l a t t i n l l o l l o l l o l l o l l o l l o s t l "... -
Page 7: Table 2B Electrical Data
TABLE 2B ELECTRICAL DATA i n i t i u y t i l a t t i n l l o l l o l l o l l o l l o l l o l l o s t l "... -
Page 8: Table 3 Optional Field Installed Heater Packages
Manual 2100-354F Page 8 of 32... -
Page 9: Table 4 Electric Heater Table
Manual 2100-354F Page 9 of 32... -
Page 10: Figure 1 Unit Dimensional Drawing
FIGURE 1 UNIT DIMENSIONAL DRAWING TABLE 5 DIMENSIONS OF UNIT Manual 2100-354F Page 10 of 32... -
Page 11: Installation
INSTALLATION TYPICAL INSTALLATIONS LOCATION GENERAL ROOF MOUNTED – The unit is mounted on a sturdy base on the roof of the building. Return air to the unit The unit must be located outside, or in a well ventilated is brought through a single return grille (grilles with area. -
Page 12: Figure 2 Slab Mounting At Ground Level
FIGURE 2 SLAB MOUNTING AT GROUND LEVEL (Above 32°F Outside Temperature) FIGURE 3 AIRFLOW AND SERVICE ACCESS CLEARANCES Manual 2100-354F Page 12 of 32... -
Page 13: Figure 4 Roof Top Application
FIGURE 4 ROOF TOP APPLICATION (May also be required for ground level installations) FIGURE 5 ELEVATED MOUNTING PLATFORMS Manual 2100-354F Page 13 of 32... -
Page 14: Figure 6 Prefabricated Rood Curb Specifications
Manual 2100-354F Page 14 of 32... -
Page 15: Figure 7 Field Fabricated Curbing
FIGURE 7 FIELD FABRICATED CURBING TABLE 7 DIMENSION “X” FOR FIELD FABRICATED CURBING Manual 2100-354F Page 15 of 32... -
Page 16: Condensate Drain Trap
AIR FILTERS OTHER INSTALLATIONS – Many other installations are possible with the packaged heat Air filters for the return air side of the system are not pump. No matter what the installation, always provided as part of the various types of applications for consider the following facts: these models, and must be field supplied and installed as A. -
Page 17: Wiring - Main Power
WIRING – MAIN POWER The unit rating plate lists a “Maximum Time Delay Fuse” or “HACR” type circuit breaker that is to be used with the Refer to the unit rating plate for wire sizing information equipment. The correct size must be used for proper circuit and maximum fuse size. -
Page 18: Thermostats
THERMOSTATS See specific wiring information for the different models, heater KWs, and voltages. TABLE 9 HEAT PUMP THERMOSTATS ; l o ; l o IMPORTANT NOTE: Only the thermostats shown above are recommended for use with this equipment. TABLE 10 THERMOSTAT WIRE SIZE Manual 2100-354F Page... -
Page 19: Thermostat Indicator Lamps
COMPRESSOR CUTOFF THERMOSTAT THERMOSTAT INDICATOR LAMPS and OUTDOOR THERMOSTAT WIRING The red lamp marked “EM. HT.” comes on and stays on whenever the system switch is placed in Em. Ht. position. Heat pump compressor operation at outdoor temperatures below 0°F are neither desirable not advantageous in terms The green lamp marked “Check”... -
Page 20: Figure 11 Unit 24V Terminal Board (15-20 Kw)
COMPRESSOR CUTOFF THERMOSTAT COMPRESSOR CUTOFF THERMOSTAT WIRING (5 through 10 KW) (FIGURE 10) WIRING (15 through 20 KW) (FIGURE 11) TABLE 12 TABLE 11 15 through 20 KW 5 through 10 KW FIGURE 11 UNIT 24V TERMINAL BOARD (15 through 20 KW) Manual 2100-354F Page 20 of 32... -
Page 21: Start Up And Operation
START UP AND OPERATION SEQUENCE OF OPERATION THREE PHASE SCROLL COMPRESSOR START UP INFORMATION COOLING – Circuit R-Y makes at thermostat pulling in compressor contactor starting the compressor and outdoor Scroll compressors, like several other types of compressors, motor. The G (indoor motor) circuit is automatically will only compress in one rotational direction. -
Page 22: Figure 12 Heat Pump Control Board
DEFROST CYCLE There is a cycle speed up jumper on the control. This can be used to reduce the time between defrost cycle operation The defrost cycle is controlled by temperature and time on without waiting for time to elapse. the solid state heat pump control. -
Page 23: Troubleshooting
TROUBLESHOOTING SOLID STATE HEAT PUMP CONTROL 4. Set system switch to heat or cool. Adjust thermostat to TROUBLESHOOTING PROCEDURE call for heat or cool. The indoor blower, compressor, and outdoor fan should start. 1. Turn on AC power supply to unit. NOTE: If there is no power to 24 volt transformer, the 2. -
Page 24: Checking Temperature Sensor Check Out
CHECKING TEMPERATURE SENSOR 3. Check resistance reading to chart of resistance; use CHECK OUT 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 heat 2. -
Page 25: Figure 13 Fan Blade Setting
SERVICE TABLE 13 SERVICE HINTS REFRIGERANT CHARGE ° 5 ° 2 1. Caution homeowner to maintain clean air filters at all times. Also, not to needlessly close off supply and f r i return air registers. This reduces airflow through the system, which shortens equipment service life as well as increasing operating costs. -
Page 26: Figure 14 Brazing Diagram
SUCTION AND DISCHARGE TUBE – Reinsert tube into fitting. BRAZING – Heat tube uniformly in Area 1 moving slowly to Compliant Scroll compressors have copper plated steel Area 2. When joint reaches brazing temperature, apply brazing material. (See Figure 14.) suction and discharge tubes. -
Page 27: Troubleshooting Ge Ecm ™ Blower Motors
TROUBLESHOOTING GE ECM MOTORS ™ Symptom Cause/Procedure CAUTION: • 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 28 TROUBLESHOOTING GE ECM MOTORS CONT’D. ™ 8b. IF REPLACING AN ECM 2.3 CONTROL WITH AN ECM Replacing ECM Control Module 2.3 CONTROL, the plastic tab and shorter through-bolts are not needed. To replace the control module for the GE variable-speed indoor blower The control can be oriented in two positions 180°...
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Page 29: Pressure Tables
PRESSURE TABLES TABLE 16 COOLING Air Temperature Entering Outdoor Coil Degrees F TABLE 17 HEATING Air Temperature Entering Outdoor Coil Degrees 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” elsewhere in manual. -
Page 30: Table 18 Pressure Table - Cooling
PRESSURE TABLES TABLE 18 COOLING Air Temperature Entering Outdoor Coil Degrees F TABLE 19 HEATING Air Temperature Entering Outdoor Coil Degrees 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 31: Table 20 Pressure Table - Cooling
PRESSURE TABLES TABLE 20 COOLING Air Temperature Entering Outdoor Coil Degrees F TABLE 21 HEATING Air Temperature Entering Outdoor Coil Degrees 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 32: Table 22 Pressure Table - Cooling
PRESSURE TABLES TABLE 22 COOLING Air Temperature Entering Outdoor Coil Degrees F TABLE 23 HEATING Air Temperature Entering Outdoor Coil Degrees 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”...