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INSTALLATION INSTRUCTIONS
SINGLE PACKAGE
PH11242
PH11301
PH11361
PH11422
PH10481
Bard Manufacturing Company
Bryan, Ohio 43506
Since 1914 . . . Moving ahead, just as
planned.
HEAT PUMPS
Models:
PH12241
PH1230
PH1236
PH1242
PH11481
PH1060
Manual :
2100-354B
Supersedes:
2100-354A
File:
Volume II Tab 11
Date:
03-19-03
© Copyright 2003
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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
Models: PH11242 PH12241 PH11301 PH1230 PH11361 PH1236 PH11422 PH1242 PH10481 PH11481 PH1060 Bard Manufacturing Company Manual : 2100-354B Supersedes: 2100-354A Bryan, Ohio 43506 File: Volume II Tab 11 Since 1914 . . . Moving ahead, just as Date: 03-19-03 planned. -
Page 2: Table Of Contents
CONTENTS Getting Other Informations and Publications Start Up and Operation Three Phase Scroll Compressor Start Up General Instructions Information ............. 19 Important ..............2 Sequence of Operation .......... 19 Shipping Damage ............ 2 Defrost Cycle ............20 General ..............2 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
TABLE 3 OPTIONAL FIELD INSTALLED HEATER PACKAGES ONLY TO BE USED WITH THE HEAT PUMP MODELS INDICATED y l l S=Standard application – heater voltage and phase same as basic unit. Max. KW that can operate with Heat Pump on. A=Alternate application –... -
Page 9: Table 4 Electric Heater Table
TABLE 4 OPTIONAL FIELD INSTALLED ELECTRIC HEATER TABLE & & & Time delay fuses of HACR type circuit breakers must be used for 60 and smaller sizes. Standard fuses or circuit breakers are suitable for sizes 70 and larger. 480V circuit breakers are not HACR type. Based on wire suitable for 75 degree C. -
Page 10: Figure 1 Unit Dimensional Drawing
FIGURE 1 UNIT DIMENSIONAL DRAWING MIS-1305 TABLE 5 DIMENSIONS OF UNIT Manual 2100-354 Page... -
Page 11: Installation
INSTALLATION LOCATION TYPICAL INSTALLATIONS GENERAL ROOF MOUNTED – The unit is mounted on a sturdy base on the roof of the building. Return air to The unit must be located outside, or in a well ventilated the unit is brought through a single return grille (grilles 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 MIS-1185 Manual 2100-354 Page... -
Page 13: Figure 4 Roof Top Application
FIGURE 4 ROOF TOP APPLICATION (May also be required for ground level installations) MIS-1176 FIGURE 5 ELEVATED MOUNTING PLATFORMS MIS-1183 Manual 2100-354 Page... -
Page 14: Figure 6 Prefabricated Rood Curb Specifications
FIGURE 6 PREFABRICATED ROOF CURB SPECIFICATIONS HEAVY GAUGE GALVANIZED WITH WOOD NAILING STRIP, WELDED/LEAKPROOF ONE PIECE CONSTRUCTION – READY TO INSTALL MIS-1177C TABLE 6 ROOF CURB DIMENSIONS Revision Level... -
Page 15: Figure 7 Field Fabricated Curbing
FIGURE 7 FIELD FABRICATED CURBING MIS-1178A A separate metal flashing should be installed around wood curbing. Caulk & seal all joints & weatherproof. TABLE 7 DIMENSION “X” FOR FIELD FABRICATED CURBING Manual 2100-354 Page... -
Page 16: Condensate Drain Trap
AIR FILTERS OTHER INSTALLATIONS – Many other installations are possible with the packaged heat pump. Air filters for the return air side of the system are not No matter what the installation, always consider the provided as part of the various types of applications for 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 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 ; b l c t i c t i , l o ; b l c t i c t i , l o ;... -
Page 19: Thermostat Indicator Lamps
THERMOSTAT INDICATOR LAMPS COMPRESSOR CUTOFF THERMOSTAT 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 The green lamp marked “Check” will come on if there is below 0°... -
Page 20: Figure 11 Unit 24V Terminal Board (15-20 Kw)
COMPRESSOR CUTOFF THERMOSTAT COMPRESSOR CUTOFF THERMOSTAT WIRING (5 thru 10 KW) (FIGURE 10) WIRING (15 thru 20 KW ) (FIGURE 11) TABLE 12 TABLE 11 15 THRU 20 KW 5 thru 10 KW FIGURE 11 UNIT 24V TERMINAL BOARD ( 15 THRU 20 KW) MIS-1189 Manual 2100-354 Page... -
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 motor. The G (indoor motor) circuit is automatically compressors, 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 TROUBLESHOOTING PROCEDURE to call for heat or cool. The indoor blower, compressor, and outdoor fan should start. 1. Turn on AC power supply to indoor and outdoor units. -
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 ° 5 ° 2 1. Caution homeowner to maintain clean air filters at all f r i times. Also, not to needlessly close off supply and return air registers. This reduces air flow 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, suction and discharge tubes. These tubes are far more apply brazing material. -
Page 27: Troubleshooting Ecm Blower Motors
TROUBLESHOOTING ECM BLOWER MOTORS CAUTION Disconnect power from unit before removing or replacing connectors, or servicing motor. Wait at least 5 minutes after disconnection power before opening motor. a t l a t l t ' n a i l a l l . - Page 28 t n i n i l a t l s " " g a t l B " f " c i t c i l " " s f f u " s t l i f p " f f u ? "...
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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 bused 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 bused upon rated CFM (airflow across the evaporator coil and should be found under section titled “Refrigerant Charge” elsewhere in manual. -
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 bused upon rated CFM (airflow across the evaporator coil and should be found under section titled “Refriger- ant 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 bused upon rated CFM (airflow across the evaporator coil and should be found under section titled “Refrigerant Charge”...