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Outdoor Heat Pump
User's Information and Installation Instructions
T3BN Series High Effi ciency Commercial Split System
These units have been designed and tested for capacity and effi ciency in accor-
dance with A.R.I. Standards. Split System Heat Pump units, when combined with
our air handlers, offer a high quality, matched heating and cooling system.
These instructions are primarily intended to assist qualifi ed individuals expe-
rienced in the proper installation of heating and/or air conditioning appliances.
Some local codes require licensed installation/service personnel for this type of
equipment. Read all instructions carefully before starting the installation.
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Related Manuals for Nordyne T3BN
Summary of Contents for Nordyne T3BN
- Page 1 Outdoor Heat Pump User’s Information and Installation Instructions T3BN Series High Effi ciency Commercial Split System These units have been designed and tested for capacity and effi ciency in accor- dance with A.R.I. Standards. Split System Heat Pump units, when combined with our air handlers, offer a high quality, matched heating and cooling system.
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Page 2: Operating Instructions
OPERATING INSTRUCTIONS 2. Set the thermostat temperature to the desired temperature level using the temperature selector. Please refer to TO OPERATE YOUR HEAT PUMP the separate detailed thermostat user’s manual for complete instructions regarding FOR COOLING — thermostat programming. The outdoor unit 1. - Page 3 normal, and the unit will periodically defrost TO MAINTAIN YOUR HEAT PUMP— itself. During the defrost cycle, the outdoor fan will stop, and the compressor will continue CAUTION: to run and heat the outdoor coil, causing the snow and ice to melt. After the snow and ice have melted, some steam may rise from the Be certain the electrical power to outdoor unit as the warm coil causes some...
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Page 4: General Information
Read Your Warranty the instructions provided with the equipment prior to performing the installation and operational Please read the separate warranty document checkout of the equipment. completely. It contains valuable information about your system. Brazing Operations — Installation of equipment may require brazing operations. -
Page 5: Installing The Outdoor Unit
INSTALLING THE OUTDOOR UNIT The maximum recommended interconnecting refrigerant line length is 75 feet, and the vertical elevation difference between the indoor Slab Mount — The site selected for a slab mount and outdoor sections should not exceed 20 installation requires a stable foundation and one feet. -
Page 6: Startup And Checkout
Electrical Power Wiring — Electrical power Optional Equipment (e.g.: liquid line solenoid wiring must comply with the current provisions valves, refrigerant compressor crankcase heater, of the “National Electrical Code” (ANSI/NFPA etc.) should be installed in strict accordance with 70) and with applicable local codes having the manufacturer’s installation instructions. -
Page 7: Air Handler
Thermostat G R W 2 C E O Y NOTE: Jumper between W2 and E is required when no OD T-Stat is used. C & W2 to be connected to Electric Heat. Air Handler Heat Pump OD Section Typical Heat Pump with Standard Air Handler... - Page 8 Indoor Blower — Set the thermostat function indoor blower have energized. Feel the air being switch to COOLING and the fan switch to ON. circulated by the indoor blower and verify that Verify that the indoor blower is operating and it is warmer than ambient temperature.
- Page 9 2. Jumper the “T2”-”DFT” test pins. This will Speed up changes: indicate to the board that the defrost T-stat Manually initiating a defrost will cause the is closed(if the compressor is running). compressor to run continually when entering Defrost T-stat is closed at 32° or below and defrost.
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Page 10: Refrigerant Charging Charts
Refrigerant Charging Charts (psig) Pressure Liquid... - Page 11 Refrigerant Charging Charts (psig) Pressure Liquid...
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Page 12: Refrigerant Charging Chart
REFRIGERANT CHARGING CHART Heating Mode of Operation... - Page 13 BLACK WHITE BLACK ORANGE BLACK...
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Page 14: Condensing Unit
PHYSICAL AND ELECTRICAL SPECIFICATIONS / OUTDOOR UNITS 10.1 EER —High Effi ciency — Three Phase Model No. T3BN- 090C 090W 120C 120W 280/230-3-60 460-3-60 280/230-3-60 460-3-60 Volts-Phase-Hz 380/420-3-50 380/420-3-50 Voltage Range (Min-Max) 187-253 414-506 187-253 414-506 Total Amps 32.1 16.4 33.4 17.2 Electrical Data... - Page 16 INSTALLER: PLEASE LEAVE THESE INSTALLATION INSTRUCTIONS WITH THE HOMEOWNER ¢708538G¤ 708538A (replaces 7085380) Specifi cations and illustrations subject to change without notice and without incurring obligations. 708538A Printed in U.S.A. (08/08)