Nordyne T3BN Manuel d'utilisateur

Outdoor Heat PumpUser’s Information and Installation InstructionsT3BN Series High Effi ciency Commercial Split SystemThese instructions are primarily i

10Refrigerant Charging Charts7.5 Ton HP TXV Charging Chart15017520022525027530032535037540075 80 85 9095100 105 110115120 125 130 135Liquid Temperatur

11Refrigerant Charging Charts10 Ton HP TXV Charging Chart15017520022525027530032535037540075 80 85 9095100 105 110115120 125 130 135Liquid Temperature

12REFRIGERANT CHARGING CHARTHeating Mode of OperationPROCEDURE FOR CHARGING 10-TON HEAT PUMP IN HEATING MODE.1. Evacuate the refrigerant system.2. C

13RELAY423165T1T2T3CCHCSRT1 T2 CYO W2 R DFTDF1DF2EDEFROSTCONTROLBOARDCYOW2REL3L2L1GRDREVVALVEDFTLOW PRESSURESWITCHTHREE PHASEFIELD SUPPLYCAPACITORCONT

14ACCESSORIES —Condensing UnitLow Ambient Kit 913549A- Maintains system pressures during low ambient conditions.PHYSICAL AND ELECTRICAL SPECIFICATION

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INSTALLER:PLEASE LEAVE THESEINSTALLATION INSTRUCTIONSWITH THE HOMEOWNER¢708538G¤708538A708538A (replaces 7085380)Specifi cations and illustrations subj

22. Set the thermostat temperature to the desired temperature level using the temperature selector. Please refer to the separate detailed thermostat

3TO MAINTAIN YOUR HEAT PUMP— CAUTION:Be certain the electrical power to the outdoor unit and the furnace/air handler is disconnected before doing the

4Read Your WarrantyPlease read the separate warranty document completely. It contains valuable information about your system.GENERAL INFORMATIONRead t

5The maximum recommended interconnecting refrigerant line length is 75 feet, and the vertical elevation difference between the indoor and outdoor sect

6Electrical Power Wiring — Electrical power wiring must comply with the current provisions of the “National Electrical Code” (ANSI/NFPA 70) and with a

7GRW2CEOYThermostatRAir Handler Heat Pump ODSectionTypical Heat Pump with Standard Air HandlerONOTE: Jumperbetween W2 and E isrequired when no

8Indoor Blower — Set the thermostat function switch to COOLING and the fan switch to ON. Verify that the indoor blower is operating and that airfl ow i

92. Jumper the “T2”-”DFT” test pins. This will indicate to the board that the defrost T-stat is closed(if the compressor is running). Defrost T-stat i