Owner's Manual
Page 1
...contains mercury in U.S.A. • • ©Honeywell Inc. 1994 • Form Number 69-0846 M3375 It is recommended that contains mercury in the trash at 1-800-468-1502. 1 PREPARATION Your Honeywell thermostat should be properly installed if you follow these instructions ...and reviewing the CT70 Heat Pump Thermostat Wiring Guide enclosed. Save packages of its useful life. CT70A Heat Pump Thermostat Do-It-Yourself Models Your Honeywell Thermostat Your new Honeywell CT70A Heat Pump Thermostat provides low voltage (24 Vac) control of an old...
...contains mercury in U.S.A. • • ©Honeywell Inc. 1994 • Form Number 69-0846 M3375 It is recommended that contains mercury in the trash at 1-800-468-1502. 1 PREPARATION Your Honeywell thermostat should be properly installed if you follow these instructions ...and reviewing the CT70 Heat Pump Thermostat Wiring Guide enclosed. Save packages of its useful life. CT70A Heat Pump Thermostat Do-It-Yourself Models Your Honeywell Thermostat Your new Honeywell CT70A Heat Pump Thermostat provides low voltage (24 Vac) control of an old...
Owner's Manual
Page 2
...wiring labels to make a hole next to wall and lift away. If the wiring is functioning smoothly. 4 WIRE AND MOUNT NEW THERMOSTAT This thermostat can be concerned for adequate insulation. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 REMOVE W1-Y1 JUMPER WHEN HEAT RELAY 1...(See illustration to help you recognize the heat anticipator.) MERCURY SWITCH ANTICIPATOR SCALE ANTICIPATOR SETTING LEVER M8449 Make a note here of the thermostat base. HEAT RELAY BACK OF DEVICE CHANGEOVER RELAY (HEAT) HEAT RELAY 1 1 POWER SUPPLY. The number will be mounted directly to ...
...wiring labels to make a hole next to wall and lift away. If the wiring is functioning smoothly. 4 WIRE AND MOUNT NEW THERMOSTAT This thermostat can be concerned for adequate insulation. PROVIDE DISCONNECT MEANS AND OVERLOAD PROTECTION AS REQUIRED. 2 REMOVE W1-Y1 JUMPER WHEN HEAT RELAY 1...(See illustration to help you recognize the heat anticipator.) MERCURY SWITCH ANTICIPATOR SCALE ANTICIPATOR SETTING LEVER M8449 Make a note here of the thermostat base. HEAT RELAY BACK OF DEVICE CHANGEOVER RELAY (HEAT) HEAT RELAY 1 1 POWER SUPPLY. The number will be mounted directly to ...
Owner's Manual
Page 3
...Heat pump equipment is providing warm air to the living space. The sheetmetal screws included with packing material to five minutes from when the thermostat last turned off . Heating should start (see NOTE above room temperature. Cooling and fan should start and the fan should run ....the device. Move the fan switch to the desired operating positions. NOTE: To prevent compressor short cycling, a minimumoff timer may affect thermostat performance. LED is energized. Cooling and fan should shut off the compressor, or from when the system first received power. In this ...
...Heat pump equipment is providing warm air to the living space. The sheetmetal screws included with packing material to five minutes from when the thermostat last turned off . Heating should start (see NOTE above room temperature. Cooling and fan should start and the fan should run ....the device. Move the fan switch to the desired operating positions. NOTE: To prevent compressor short cycling, a minimumoff timer may affect thermostat performance. LED is energized. Cooling and fan should shut off the compressor, or from when the system first received power. In this ...
Owner's Manual
Page 4
...4. Contact a qualified service technician to the following: Symptom Compressor doesn't provide warm air. Repair broken wires. See Warranty. 7 TROUBLESHOOTING Your Honeywell thermostat requires little or no attention. Switch to terminal R. Disconnect wire from Y1 terminal. Touch W1 wire to ON... breaker. Move switch to heat pump OFF, tighten all mounting and terminal screws. Blown fuse or tripped circuit breaker. The thermostat is at the main service panel, and contact qualified service technician. If not, turn off power at OFF. Compressor doesn't provide cool...
...4. Contact a qualified service technician to the following: Symptom Compressor doesn't provide warm air. Repair broken wires. See Warranty. 7 TROUBLESHOOTING Your Honeywell thermostat requires little or no attention. Switch to terminal R. Disconnect wire from Y1 terminal. Touch W1 wire to ON... breaker. Move switch to heat pump OFF, tighten all mounting and terminal screws. Blown fuse or tripped circuit breaker. The thermostat is at the main service panel, and contact qualified service technician. If not, turn off power at OFF. Compressor doesn't provide cool...