THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. Replacement Components Division Carrier Corporation 4/01 This device complies with Part 15 of the FCC rules. Operation is subject to the following 2 conditions: (1) This device may not cause harmful interference,...
STEP #1 PREPARATION Proper installation of the thermostat will be accomplished by following these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. Assemble tools & recommended Junction Box or Wall Bracket. FLATSTAT ‘Mud rings’...
STEP #2 REMOVE & REPLACE OLD THERMOSTAT Remove the cover of the old thermostat. If it does not come off easily check for screws. Loosen the screws holding the thermostat base or subbase to the wall, and lift away. Disconnect the wires from the old thermostat.
STEP #3 WIRE CONNECTIONS If the terminal designations on your old thermostat do not match those on the new thermostat, refer to the chart below, or the wiring diagrams that follow. Install on the Wire from the old thermostat new thermostat Function connector marked terminal marked...
Sample Wiring Diagrams 5 Wire, 1 Stage Cooling, 1 Stage Gas Heat Residential Gas or Electric Heat *, Electric Cool, split systems & package units Thermostat 24 vac common fan relay compressor relay 1st stage heat circuit 24 vac return * If using electric heat this option must be selected on during advanced setup.
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Sample Wiring Diagrams 6 Wire, 1 Stage Cooling, 2 Stage Heat Residential & commercial 1 Stage Cooling, with 2 Stage Gas or Electric Heat* Thermostat 24 vac common fan relay compressor relay 1st stage heat circuit 24 vac return 2nd stage heat circuit 5 Wire, 1 Stage Cooling, 1 Stage Heat - Heat Pump* No auxiliary heat, residential Heat Pumps , split systems &...
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Sample Wiring Diagrams Commercial Gas or Electric Heat ***, 7 Wire, Fan Coil w/ 3 Speed Fan Electric Cool, split systems & package units including Commercial Heat Pumps ** Thermostat 24 vac common fan relay - low speed compressor relay hot water valve 24 vac return fan relay - med.
STEP #4 TEST OPERATION Turn the power on to the Heating/Air Conditioning system. Press the On/Off button repeatedly until the HEAT icon appears on the display. Press the Up or Down buttons until the set temperature is 10 degrees above room temperature.
TROUBLESHOOTING SYMPTOM: When using 4 wires (R, G, W, Y), the air conditioning equipment tries repeatedly to turn on, but cannot. At times the display dims or disappears. CAUSE: There is not enough power available to "power share". REMEDY: Connect a 270 ohm, 10 watt power resistor at the furnace as shown below.
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TROUBLESHOOTING SYMPTOM: The air conditioning does not attempt to turn on. CAUSE: The cooling setpoint is set too high. REMEDY: Consult the Owner's Manual in the Setup section to lower the cooling setpoint limit. SYMPTOM: The heating does not attempt to turn on.
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"conventional" (non heat pump) system. REMEDY: Consult the Owner's Manual in the Advanced Setup section to turn off the heat pump. FlatStat TSTATCCPF701 TSTATBBPF701 P374-1100FM Tested to Comply with FCC Standards FOR HOME OR OFFICE USE 4Z95...