Nordyne Single Package Heat Pump User's Manual & Installation Instructions

3, Nordyne Single Package Heat Pump 3 use of electric resistance heat in place of the heat pump will result in an increase in electric utility costs. Defrost — During cold weather heating opera- tion, the outdoor unit will develop a coating of snow and ice on the heat transfer coil. This is normal and the unit will…

14, 14 13 SEER - Refrigerant Charging Tables for Cooling Mode of Operation Continued * Note: All pressures are listed in psig. and all temperatures in °F. - Shaded Boxes indicate flooded conditions - Rated Design Values. Suction Pressure will be lower than design value if indoor …

7, 7 Figure 8. Motor Lead Connection Note: For highly resistive duct systems it may be necessary to add an additional return air duct and or supply to achieve maximum performance and prevent coil icing and refrigerant fl ood back. THE HEAT PUMP SYSTEM WILL NOT COOL OR HEAT THE…

8, 8 CONDENSATE DRAIN A 3/4” condensate fi tting extends out of the side of the unit. The drain trap, shipped in the electrical compartment, must be installed to prevent water from collecting inside the unit. Thread the elbow provided with the unit into the drain connection until hand tight.…

12, 12 13 SEER - Refrigerant Charging Tables for Cooling Mode of Operation * Note: All pressures are listed in psig. and all temperatures in °F. - Shaded Boxes indicate flooded conditions - Rated Design Values. Suction Pressure will be lower than design value if indoor air flow…

5, 5 Figure 4. Return Air Box shipped in the supply duct. They attach to the unit openings with a fl ange and bead arrangement, secured with two sheet metal screws. Note: For ease of access, install fi tting before positioning unit in fi nal location. SUPPLY DUCT Position the supply duc…