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Summary of Contents for NAC048AKA1

Page 1: ...22 is toxic when burned NOTE TO INSTALLING DEALER The Owners Instruc tions and Warranty are to be given to the owner or promi nently displayed near the indoor Furnace Air Handler Unit Check local cod...

Page 2: ...e transmission it is recom mended that supports not be in contact with the building structure However slabs on grade constructions with an extended pad are normally acceptable A Ground Level Installat...

Page 3: ...ted TOTAL LENGTH OF REFRIGERANT LINES MUST NOT EXCEED 75 ft WITH A MAXIMUM VERTICAL SEPARA TION OF 50 ft BETWEEN THE OUTDOOR AND IN DOOR UNITS WITH 3 TRAPS 2 TRAPS FOR 40 ft Restrictor Orifice Some in...

Page 4: ...the compressor should be main tained with suction gas velocity If velocities drop below 1500 fpm feet per minute oil return will be decreased An oil trap should be installed every 20 of vertical suct...

Page 5: ...ly insert a hex wrench into the stem A back up wrench is required on the valve body to open the valve stem Backout counterclockwise until the valve stem stops or just touches the retaining ring NOTE T...

Page 6: ...ake all outdoor electrical supply Line Voltage connec tions with rain tight conduit and fittings Most codes re quire a disconnect switch outdoors within sight of the unit Route Line Voltage wiring thr...

Page 7: ...obe Sensor Probe front view side view R G BL W I I INDOOR GAS BLOWER OR FURNACE COIL Figure i2 Heat Pump Typical Low Voltage Control Connections White Rogers 1F92 only field jumper required Y1 Wl Indo...

Page 8: ...6 100 39 8 39 67 1 105 40 8 40 68 5 110 115 PSIG R 22 70 0 71 4 73 0 74 5 76 0 77 6 79 2 80 8 82 4 84 0 92 6 101 6 111 2 121 4 132 2 143 6 155 7 168 4 181 8 195 9 210 8 226 4 242 7 Before any adjustme...

Page 9: ...e first power application 8 With the unit operating close all doors windows storm windows and openings to the house Set the thermostat to the desired setting Set outdoor ther mostat if installed to ba...

Page 10: ...not remove the cap on a Non Adjustable TXV Figure 6 Cap Nut on an TXV Adjustable TVX Note It is recommended that a reference mark be made on the TXV body and the adjustment stem before adjustments ar...

Page 11: ...g off the coil In some areas with high humidity the time interval or tem perature termination may require adjustment for complete removal of ice from the coil For best economy always set to the longes...

Page 12: ...e outdoor coil clean and free of restrictions Keep fences shrubs snow drifts and any other obstructions at least two feet from all coil air inlets Keep the coil free of grass clippings weeds and other...

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