TOTALINE P474-0140 Owner's Manual
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TOTALINE P474-0140 Owner's Manual

Non-programmable digital heat pump thermostat
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OWNER'S MANUAL
Non-Programmable
Digital Thermostat
HEAT PUMP THERMOSTAT
2 HEAT, 1 COOL
72
Heat
Off
Cool
Millivolt Compatible
Battery or System
Powered
Digital Display
TOTALINE
Replacement Components Division - Carrier Corporation
MODEL P474-0140
TOTALINE
emergency
aux.
normal
heat
energy save
Fan On Fan Auto
DC Voltage Compatible
Stages: 2-Heat, 1-Cool
Easy Operation
Star

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Summary of Contents for TOTALINE P474-0140

  • Page 1 OWNER'S MANUAL MODEL P474-0140 Non-Programmable Digital Thermostat HEAT PUMP THERMOSTAT 2 HEAT, 1 COOL TOTALINE emergency aux. normal heat energy save Fan On Fan Auto Heat Cool Millivolt Compatible DC Voltage Compatible Battery or System Stages: 2-Heat, 1-Cool Powered Easy Operation...

  • Page 2: Table Of Contents

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

  • Page 3: Safety Warnings

    OWNER'S MANUAL MODEL P474-0140 Safety Warnings P/N P474-0140 CAUTION Follow Installation Instructions carefully. DISCONNECT POWER TO THE HEATER - AIR CONDITIONER BEFORE REMOVING THE OLD THERMOSTAT AND INSTALLING WARNING THE NEW THERMOSTAT. CAUTION The two AA alkaline batteries must be replaced at least once every 12 months to ensure proper operation.

  • Page 4: Front Panel

    OWNER'S MANUAL DIGITAL THERMOSTAT MODEL P474-0140 Front Panel DISPLAY AUX HEAT TOTALINE INDICATOR UP & DOWN emergency aux. BUTTONS normal heat energy save Fan On Fan Auto Heat Cool AUX HEAT SWITCH Emergency MODE SWITCH FAN SWITCH Normal Heat, Off or Cool...

  • Page 5: Display

    OWNER'S MANUAL DIGITAL THERMOSTAT MODEL P474-0140 Display 78 74 SET TEMP Current room temperature. 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.

  • Page 6: Normal Operation

    OWNER'S MANUAL OWNER'S MANUAL DIGITAL THERMOSTAT MODEL P474-0140 Normal Operation TOTALINE UP & DOWN emergency BUTTONS aux. normal heat energy save Fan On Fan Auto Heat Cool MODE SWITCH FAN SWITCH Heat, Off or Cool On or Auto Operation Select Heat or Cool with the Mode Switch.

  • Page 7: Aux Heat

    OWNER'S MANUAL MODEL P474-0140 Aux Heat Aux Heat Indicator - This LED TOTALINE will illuminate when the thermostat has energized emergency aux. normal heat energy save Aux Heat.* (W2 terminal) Fan On Fan Auto Heat Cool *The LED will only turn on when the...

  • Page 8: Preparation

    OWNER'S MANUAL MODEL P474-0140 Step #1 Preparation Preparation TOTALINE Proper installation of the thermostat will be accomplished by following these step Heat Off Cool Fan On FanA uto by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance.

  • Page 9: Remove Old Thermostat

    OWNER'S MANUAL MODEL P474-0140 Remove & Replace Old Thermostat Remove the cover of the old thermostat. TOTALINE If it does not come off easily check for Heat Off Cool Fan On FanA uto screws. TOTALINE Loosen the screws holding the thermostat base or subbase to the wall, and lift away.

  • Page 10: Battery Replacement

    OWNER'S MANUAL MODEL P474-0140 Battery Replacement The top of the thermostat housing has two screw- driver slots to assist in separating the SCREWDRIVER SLOTS thermostat front from the sub-base. To pull the housing apart, insert a small blade screw- driver into the slot and rotate 90 . This will release the top housing snaps.
  • Page 11 OWNER'S MANUAL MODEL P474-0140 Battery Replacement Remove the old batteries and replace with new AA alkaline batteries at least once every year or when the low battery icon appears (pages 3 and 10). POSITION BATTERIES AS SHOWN USE “AA” SIZE USE “AA”...

  • Page 12: Wire Connections

    OWNER'S MANUAL MODEL P474-0140 Wire Connections If the terminal designations on your old TOTALINE thermostat do not match those on the Heat Off Cool Fan On FanA uto new thermostat, refer to the chart below or the wiring diagrams that follow.

  • Page 13: Sample Wiring Diagrams

    OWNER'S MANUAL MODEL P474-0140 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 optional 5 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 14 OWNER'S MANUAL MODEL P474-0140 Sample 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 optional 4 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 15 OWNER'S MANUAL MODEL P474-0140 Sample 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 optional 4 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.
  • Page 16 OWNER'S MANUAL MODEL P474-0140 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 optional 5 Conductor 18 to 22 gauge unshielded cable from the thermostat to the equipment.

  • Page 17: Test Operation

    OWNER'S MANUAL MODEL P474-0140 Test Operation Turn on the power to the Heat Pump. TOTALINE Heat Off Cool Fan On FanA uto On the thermostat, slide the Mode Switch TOTALINE to HEAT. Press the UP or DOWN button Heat Off Cool...
  • Page 18 OWNER'S MANUAL MODEL P474-0140 Test Operation On the thermostat, slide the Mode Switch TOTALINE to COOL. Press the UP or DOWN button Heat Off Cool Fan On FanA uto until the set temperature is 10 degrees below room temperature. The HVAC unit should energize in the cooling mode (Page 6).

  • Page 19: Troubleshooting

    OWNER'S MANUAL MODEL P474-0140 TroubleShooting SYMPTOM: The slide switches on the thermostat TOTALINE are very difficult to move. Heat Off Cool Fan On FanA uto CAUSE: The backplate of the thermostat is screwed too tightly into a wall that is not perfectly flat.
  • Page 20 OWNER'S MANUAL MODEL P474-0140 TroubleShooting SYMPTOM: Aux Heat does not turn on. TOTALINE CAUSE: The Aux Heat Switch is set for Heat Off Cool Fan On FanA uto Lockout. REMEDY: Consult the Aux Heat section of this manual to slide the Aux Heat Switch to Normal (Page 7).

  • Page 21: Warranty

    OWNER'S MANUAL MODEL P474-0140 Warranty Five-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within five year from the date of original installation, whether or not actual use begins on that date, that the product does not meet this warranty, a new or remanufactured part, at the manufacturer’s sole option to replace any defective part, will be...

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