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OUTDOOR TEMPERATURE

DESIRED SUPERHEAT vs OUTDOOR TEMPERATURE

90° F In

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70

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75

° F In

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Summary of Contents for RHA**B*A

Page 1: ...The precautions listed in this Installation Manual are intended as supplemental to existing practices However if there is a direct conflict between existing practices and the content of this manual th...

Page 2: ...vice this unit 2 Install the system in accordance with all local codes If no local codes exist follow National Codes NEC in the U S CEC in Canada 3 Open the electrical disconnect switch before electri...

Page 3: ...ant Piping REFRIGERANT LINE SIZING See unit Specification Sheet for required line sizes Be sure to use the correct size as using smaller vapor lines can decrease unit performance These sizes are suita...

Page 4: ...lve to the thermocouple vacuum gauge Close the valve to the vacuum pump Shut off the pump LEAK TESTING WARNING To avoid the risk of fire or explosion never useoxygen highpressureairorflammable gasses...

Page 5: ...ze must be sufficient to carry the minimum circuit ampacity listed on the unit serial data plate We recommend sizing the wires to limit the voltage drop to a maximum of 2 from the main breaker or fuse...

Page 6: ...700 Used refrigerant may cause compressor damage and will void the warranty Most portable machines cannot clean used refrigerant well enough to meet this ARI Standard IMPORTANT If adding refrigerant t...

Page 7: ...70 80 90 100 110 120 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 SUPERHEAT O D UNIT OUTDOOR TEMPERATURE DESIRED SUPERHEAT vs OUTDOOR TEMPERATURE 90 F Indoor 7 0 F I n d o o r 75 F Indoor 80 F Indoor...

Page 8: ...oil is determined by both coil temperature and compressor run time See the Specification Sheet for factory settings Adjustment can be changed as required There are 30 60 and 90 minute settings availab...

Page 9: ...llow the instructions in the accessory kit s installation instructions 2 For thermostat models D9945804 and D9807605 jumper Y and W1 at the thermostat WARNING To avoid personal injury shock or death d...

Page 10: ...normal 15 Check the amperage on the indoor blower motor Is it within the limits shown on the nameplate of the motor 16 Are all access panels installed and secured 17 Do controls function properly Are...

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