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1 General Instructions ................................................. 3 Important ................................................................ 3 Shipping Damage .................................................... 3 General ................................................................ 3 Field-Installed Heater Packages (Optional) .............. 3 Installation................................................................. 5 Location ................................................................ 5 Typical Installations .................................................. 5 Condensate Drain Trap ............................................ 8 Air Filters ................................................................ 8 Wiring – Main Power ................................................ 9 Wiring – 24V Low Voltage Control Circuit ................ 9 Thermostats ........................................................... 10 Thermostat Indicator Lamps ...................................11 Emergency Heat Position .......................................11 Transformer Taps....................................................11 Compressor Cut-Off Thermostat and Outdoor Thermostat Wiring ..................................................11 Start Up and Operation .......................................... 12 Three Phase Scroll Compressor Start Up Information ............................................................. 12 Sequence of Operation .......................................... 12 Defrost Cycle ......................................................... 12 Start Up Notes ....................................................... 12 Service and Troubleshooting ................................ 14 Service Hints .......................................................... 14 Pressure Service Ports .......................................... 14 Refrigerant Charge ................................................ 14 Fan Blade Settings................................................. 14 Solid State Heat Pump Control Troubleshooting Procedure .................................... 14 Troubleshooting Guide ........................................... 15 Checking Temperature Sensor Check Out ............. 16 Temperature vs. Resistance of Temperature Sensor Chart..................................... 16 Suction and Discharge Tube Brazing ..................... 17 Pressure Tables ..................................................... 18 Wiring Diagrams ............................................. 19 - 21 Figures Figure 1 Prefabricated Rood Curb Specifications .......................................... 4 Figure 2 Field Fabricated Curbing ......................... 4 Figure 3 Elevated Mounting Platforms .................. 6 Figure 4 Airflow and Service Access Clearances .............................................. 6 Figure 5 Roof Top Application ............................... 7 Figure 6 Slab Mounting at Ground Level ............... 7 Figure 7 Condensate Drain Trap ........................... 8 Figure 8 Low Voltage Wiring ................................. 9 Figure 9 Compressor Cut-Off Thermostat Wiring (5 and 10 KW) ............................11 Figure 10 Compressor Cut-Off Thermostat Wiring )15 KW ONLY)...........................11 Figure 11 Heat Pump Control Board ..................... 13 Figure 12 Fan Blade Setting Dimensions .............. 14 Figure 13 Brazing Diagram ................................... 17 Tables Table 1 Electrical Data ......................................... 2 Table 2 Optional Field Installed Heater Packages ................................................ 2 Table 3 Optional Field Installed Heater Table ....... 2 Table 4 Rated CFM and Rated ESP.................... 3 Table 5 Air Filter Area and Size ........................... 8 Table 6 Thermostat Wire Size ............................. 9 Table 7 Heat Pump Thermostats ....................... 10 Table 8 Volts, KW and Phase - Compressor Cut-Off Wiring (5 and 10 KW)...............11 Table 9 Volts, KW and Phase - Compressor Cut-Off Wiring (15 KW ONLY0 .............11 Table 10 Refrigerant Charge ............................... 14 Table 11 Pressure Table - Cooling ....................... 18 Table 12 Pressure Table - Heating ....................... 18 Getting Other Information and Publications These publications can help you install the air conditioner or heat pump. You can usually find these at your local library or purchase them directly from the publisher. Be sure to consult current edition of each standard. National Electrical Code ........................... ANSI/NFPA 70 Standard for the Installation ...................... ANSI/NFPA 90A of Air Conditioning and Ventilating Systems Standard for Warm Air ............................. ANSI/NFPA 90B Heating and Air Conditioning Systems Load Calculation for ................................. ACCA Manual J Residential Winter and Summer Air Conditioning Duct Design for Residential ...................... ACCA Manual ...
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