TOTALINE P474-0140 Owner'S Manual Download

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OWNER'S MANUAL

MODEL P474-0140

Non-Programmable

Digital Thermostat

TOTALINE

Star

Replacement Components Division - Carrier Corporation

HEAT PUMP THERMOSTAT

2 HEAT, 1 COOL

Millivolt Compatible
Battery or System
Powered
Digital Display

DC Voltage Compatible
Stages: 2-Heat, 1-Cool
Easy Operation

TOTALINE

emergency

normal

energy save

aux.
heat

Heat

Off

Cool

Fan On Fan Auto

Summary of Contents for P474-0140

Page 1: ...placement Components Division Carrier Corporation HEAT PUMP THERMOSTAT 2 HEAT 1 COOL Millivolt Compatible Battery or System Powered Digital Display DC Voltage Compatible Stages 2 Heat 1 Cool Easy Operation TOTALINE emergency normal energy save aux heat 72 Heat Off Cool Fan On Fan Auto ...

Page 2: ...al Operation Safety Warnings Front Panel Display Aux Heat Preparation Remove Old Thermostat Battery Replacement Wire Connections Test Operation Troubleshooting Warranty Contents Page OWNER S MANUAL MODEL P474 0140 ...

Page 3: ... least once every 12 months to ensure proper operation The Low Battery icon fig 1 will appear on the display when it is time to replace the batteries If the thermostat is connected to 24v power the batteries should still be installed but are not required When is displayed the batteries must be replaced immediately The manufacturer cannot be liable for improper operation of the thermostat if the ba...

Page 4: ... heat 72 Heat Off Cool Fan On Fan Auto Page 4 On or Auto FAN SWITCH UP DOWN BUTTONS MODE SWITCH Heat Off or Cool AUX HEAT INDICATOR AUX HEAT SWITCH DISPLAY DIGITAL THERMOSTAT Emergency Normal Lockout OWNER S MANUAL MODEL P474 0140 Front Panel ...

Page 5: ...rature If the UP or DOWN button is pressed the thermostat will show the Set Temp indicator When Set Temp is displayed you may use the UP or DOWN button to adjust the desired room temperature NOTE After five seconds with no button presses the thermostat will revert back to show the current room temperature ...

Page 6: ...NER S MANUAL DIGITAL THERMOSTAT OWNER S MANUAL MODEL P474 0140 Operation Select Heat or Cool with the Mode Switch Normally leave the fan switched to Fan Auto In Fan Auto the fan will turn on only with a heat or cool demand When Fan On is selected the fan will run continuously Adjust the desired set temperature with the UP and DOWN buttons Normal Operation ...

Page 7: ...Energy Save Aux Heat will never turn on regardless of the heat demand Aux Heat Indicator This LED will illuminate when the thermostat has energized Aux Heat W2 terminal The LED will only turn on when the thermostat is powered from the HVAC System The cost of operating Electric Strip Heat Aux Heat is normally signi ficantly more expensive than the cost of operating Heat Pump OWNER S MANUAL MODEL P4...

Page 8: ... at the main fuse panel 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 Step 1 Preparation 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTA...

Page 9: ...es as you disconnect them and mark them with the letter of the terminal for easy reconnection to the new thermostat Keep the old thermostat for reference purposes until your new thermostat is functioning properly Page 9 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto 72 TOTALINE Heat Off Cool FanOn FanAuto OWNER S MANUAL MODEL...

Page 10: ...he thermostat front from the sub base Repeat this procedure in the other screw driver slot Separate the thermostat front from the sub base by pulling the top forward until the pins release and then lift the bottom out To pull the housing apart insert a small blade screw driver into the slot and rotate 90 This will release the top housing snaps SCREWDRIVER SLOTS Next Page Page 10 MODEL P474 0140 OW...

Page 11: ...year or when the low battery icon appears pages 3 and 10 Battery Replacement If the thermostat is connected to 24v power the batteries should still be installed Page 11 USE AA SIZE ALKALINE BATTERIES USE AA SIZE ALKALINE BATTERIES POSITION BATTERIES AS SHOWN OWNER S MANUAL MODEL P474 0140 ...

Page 12: ...ting Sheet Fig 1 Wire Slots 4Z95 MODEL P474 0140 97061606 MADE IN CHINA USE SIZE AA ALKALINE BATTERIES W2 Y B O G R C OWNER S MANUAL MODEL P474 0140 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 Wire from the old thermostat terminal marked Function Install on the new thermost...

Page 13: ...474 0140 Sample Wiring Diagrams 5 Wire 1 Stage Cooling 2 Stage Heat Heat Pump with O reversing valve Residential Heat Pumps split systems package units with auxiliary heat Common wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 10 each year or when the Low Battery indicator is displa...

Page 14: ...ample Wiring Diagrams 4 Wire 1 Stage Cooling 1 Stage Heat Heat Pump with O reversing valve Residential Heat Pumps split systems package units with no auxiliary heat Common wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 10 each year or when the Low Battery indicator is displayed pag...

Page 15: ...ample Wiring Diagrams 4 Wire 1 Stage Cooling 1 Stage Heat Heat Pump with B reversing valve Residential Heat Pumps split systems package units with no auxiliary heat Common wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 10 each year or when the Low Battery indicator is displayed pag...

Page 16: ...474 0140 Sample Wiring Diagrams 5 Wire 1 Stage Cooling 2 Stage Heat Heat Pump with B reversing valve Residential Heat Pumps split systems package units with auxiliary heat Common wire is optional in all installations If a common wire is not used the thermostat must be powered by two AA alkaline batteries These batteries must be replaced page 10 each year or when the Low Battery indicator is displa...

Page 17: ...n imum run time for first stage heating On the thermostat slide the Aux Heat Switch to the NORMAL position If the thermostat is system powered the Aux Heat indicator will illuminate indicating that the thermostat has energized Aux Heat page 7 TWO STAGE OPERATION The 2nd stage of heat auxiliary heat is turned on when the room temperature is equal to or less than the setpoint minus the 1st stage dea...

Page 18: ...ess the UP or DOWN button until the set temperature is 10 degrees below room temperature The HVAC unit should energize in the cooling mode Page 6 Note You may need to wait up to five minutes for cooling to energize due to the compressor lockout feature On the thermostat slide the Mode Switch to OFF then slide the Fan Switch to Fan On The fan should turn on and run continuously Page 6 ...

Page 19: ...ration section in this manual to Lower the cooling setpoint Page 6 Correct the Mode Switch position Page 6 Replace the batteries Page 10 Adjust the Aux Switch to Normal page 7 SYMPTOM The slide switches on the thermostat are very difficult to move CAUSE The backplate of the thermostat is screwed too tightly into a wall that is not perfectly flat REMEDY Loosen the screws holding the thermostat into...

Page 20: ...at section of this manual to slide the Aux Heat Switch to Normal Page 7 SYMPTOM The Heating does not attempt to turn on CAUSE The heating setpoint is set too high the Mode Switch is not set for Heat the batteries are too weak or the Aux Heat Switch is set for Emergency REMEDY Consult the Normal Operation section in this manual to Raise the heating setpoint Page 6 Correct the Mode Switch position P...

Page 21: ...ALER OR OTHER PERSON WHATSOEVER ALL WORK UNDER THE TERMS OF THIS WARRANTY SHALL BE PERFORMED DURING NORMAL WORKING HOURS ALL REPLACEMENT PARTS WHETHER NEW OR REMANUFACTURED ASSUME AS THEIR WARRANTY PERIOD ONLY THE REMAINING TIME PERIOD OF THIS WARRANTY THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR 1 Normal maintenance as outlined in the installation and servicing instructions or owner s manual incl...

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