Related Manuals for TOTALINE P374-1500
Summary of Contents for TOTALINE P374-1500
- Page 1 DIGITAL THERMOSTAT MODEL P374-1500 Installation Instructions 3 HEAT - 2 COOL DUAL 6:03 FUEL AUTO HEAT PUMP MULTI-STAGE PROGRAMMABLE TOTALINE Replacement Components Division Carrier Corporation 7/99...
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Page 2: Table Of Contents
THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. Replacement Components Division - Carrier Corporation Model No. P374-1500 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,... -
Page 3: Preparation
STEP #1 PREPARATION 6:03 Proper installation of the thermostat will be AUTO 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 as shown below. 6:03 AUTO Drill with 3/16... -
Page 4: Remove Old Thermostat
STEP #2 REMOVE OLD THERMOSTAT 6:03 Turn off the power to the Heating/Air AUTO Conditioning system at the main fuse panel. Most residential systems have a separate breaker for disconnecting power to the furnace. Remove the cover of the old thermostat. 6:03 AUTO If it does not come off easily check for... -
Page 5: Install Backplate & Wire
STEP #3 INSTALL BACKPLATE & WIRE Remove the backplate connector from the 6:03 AUTO rear of the thermostat. Attach it to the wall. Install wires as directed below. When finished, snap thermostat on to backplate. 6:03 If the terminal designations on your old AUTO thermostat do not match those on the new thermostat, refer to the chart below,... -
Page 6: Wiring Diagrams
Sample Wiring Diagrams 7 Wire, 1 Stage Cooling, 3 Stage Heat, Heat Pump RS+5 Remote Sensor BLACK RS GND Thermostat Wireless or WHITE Hard wired Most residential split and package heat pumps with auxiliary heat 24 vac common fan relay 1st Stage compressor Reversing valve 24 vac return... - Page 7 Sample Wiring Diagrams Dual Fuel 7 Wire, 1 Stage Cooling, 2 Stage Heat, Heat Pump with 2nd fuel source Furnace RS+5 Remote Sensor RS GND BLACK Thermostat Wireless or Hard wired WHITE Most residential split and package heat pumps with auxiliary heat 24 vac common fan relay 1st Stage compressor...
- Page 8 Sample Wiring Diagrams 5 Wire, 1 Stage Cooling, 1 Stage Heat - Heat Pump* No auxiliary heat, residential Heat Pumps , split systems & package units Thermostat 24 vac common fan relay 1st Stage compressor reversing valve 24 vac return 7 Wire, 2 Stage Cooling, 2 Stage Heat, Heat Pump Most residential split and package heat pumps with auxiliary heat...
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Page 9: Calibration
Sample Wiring Diagram Calibration Every thermostat is calibrated before it leaves the factory. Under normal circumstances there will never be a need to recalibrate the thermostat again. To accommodate special needs, the thermostat may be recalibrated following these steps: 1. While holding the mode button in, press the down button for 2 seconds. -
Page 10: Test Operation
STEP #4 TEST OPERATION Turn the power on to the Heating/Air 6:03 AUTO Conditioning system. Press the MODE button repeatedly until 6:03 AUTO the HEAT icon appears on the display. Press the up/down buttons until the set temperature is 10 degrees above room temperature. -
Page 11: Troubleshooting
REMEDY: Make sure power is turned on to the furnace and 24vac between R & W. If C is used, 24vac between R & C. Dual Fuel P374-1500 Tested to Comply with FCC Standards FOR HOME OR OFFICE USE 4Z95...