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TOTALINE P374-1800 Owner'S Manual Download Page 53

Page 12.1

Section 12 Contents:

  Viewing the Heat Pump and 
    Reversing Valve Jumper
    Setting.....................................12.2
  Viewing the Electric Heat 
    Jumper Setting.......................12.3
  Using Emergency Heat............12.4
  

SECTION 12

Electric Heat and Heat Pump Operation

Electric Heat and Heat Pump Operation

TOTALINE

12

Summary of Contents for P374-1800

Page 1: ...up to 3 Heat 2 Cool Stages Replacement Components Division Carrier Corporation 08 05 Meets Residential California Title 24 Use with most Air Conditioning Heating Systems including 1 or 2 Stage Electric Cooling 3 Stage Gas Heating Heat Pump Electric or Hydronic Heat OWNER S MANUAL OWNER S MANUAL 7 DAY PROGRAMMABLE DIGITAL THERMOSTAT Accepts Optional Humidity Module Controls Humidification and Dehum...

Page 2: ... 2 this device must accept any interference received including interference that may cause undesired operation Follow the Installation Instructions before proceeding Set the thermostat mode to OFF prior to changing settings in setup or restoring Factory Defaults NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK THIS MAY DAMAGE YOUR THERMOSTAT AND VOID YOUR WARRANTY CAUTION C c F FOR HOM...

Page 3: ... The first page of each section contains a more detailed Contents of each section such as the example page shown below The Table of Contents divides the thermostat features into sections making it easier to quickly find information In addition this manual also has an Index to help you find any information regarding this thermostat quickly How to Use This Manual How to Use This Manual TOTALINE Head...

Page 4: ...reduce the amount of moisture in the air Differential The forced temperature difference between the heat setpoint and the cool setpoint Heat Setpoint The coolest temperature that the space should drop to before heating is turned on without regards to deadband Humidify To increase the amount of moisture in the air Icon The word or symbol that appears on the thermostat display Mode The current opera...

Page 5: ......

Page 6: ...sors Programming the Daily Schedule Programming the Fan Operation Thermostat Display Options Humidification Dehumidification Viewing Equipment Run Times Electric Heat and Heat Pump Operation Timers and Deadbands Programming Remote Sensor Operation Energy Save Operation Programming the Run Time Alarms Programming the Vacation Mode Configuring the MISC Outputs Factory Defaults and Calibration Access...

Page 7: ...Section 1 Contents Front Panel Buttons 1 2 Display Features 1 3 Page 1 1 SECTION 1 Getting to Know Your Thermostat Getting to Know Your Thermostat 1 TOTALINE ...

Page 8: ...HUMIDITY FAN PROGRAM MODE VACATION OUTSIDE AUTO I2 00 Su Pm HEAT COOL 72 74 AUTO I2 00 Su Pm HEAT COOL 72 74 HUMIDITY FAN PROGRAM SET CLOCK VACATION Commercial Programmable Thermostat SET CLOCK TOTALINE 1 Warmer Button sometimes referred glows red to as the UP button Cooler Button sometimes refer glows blue red to as the DOWN button ...

Page 9: ...on 3 Indicates the current time and day This clock is also used to program the timer periods Room Temperature Display Section 5 Indicates the current room temperature and displays the outside temperature when selected Desired Set Temperature Section 4 5 Indicates desired room temperature s Also displays the daily maximum and minimum outside temperatures Outside icon Section 5 Indicates the tempera...

Page 10: ...ars when programming timer functions Sections 6 17 Section 7 Section 16 Section 8 Indicates the keypad has been locked Section 6 UV Light icon Section 19 Appears when the UV bulb should be serviced under normal conditions Adjustable from 0 1990 days of operation TOTALINE AUXHEAT COOL AUTO OFFON Morning DayNight Evening FanOn Am I8 88 SuMoTuWeThFrSa Service Filter Program On StartStop DeHumidify I8...

Page 11: ...the day Section 17 Section 12 Indicates the Heat Pump is currently using 2nd stage electric strip heat Sections 9 10 Section 5 Hi icon Section 5 Indicates the highest recorded outside temperature for the day COOL AUTO OFFON Morning DayNight Evening FanOn Am I8 88 SuMoTuWeThFrSa Service Filter Program On StartStop DeHumidify I88 Setup Outside AUXHEAT Vacation Pm 88 LO HI 88 Page 1 5 Display Feature...

Page 12: ...ting Your Desired Temperature 2 4 Using the Fan Button 2 4 Note Following the instructions in this section will allow you to operate your thermostat using the factory default settings These settings are depicted in the illustrations throughout this manual SECTION 2 Quick Start Quick Start TOTALINE 2 ...

Page 13: ...ss the SET CLOCK button Press the SET CLOCK button to return to normal operation Su Setup 2 Am I2 00 Setup I Setting the Clock Setting the Clock Setting the Day Setting the Day Press MODE RAM M VACATION SET CLOCK RAM M VACATION SET CLOCK 2 TOTALINE To adjust the time by hours press and hold the FAN button while pressing the UP or DOWN buttons ...

Page 14: ... indicates the temperature the room has to reach before the air conditioner will turn on to cool the room Cooling Only OFF indicates both heating and air conditioning systems are turned off Off AUTO will automatically select heat or cool based on room temperature demand Heating or Cooling Select Mode by Pressing the MODE Button Time Schedule for Heating or Cooling The Program On setting will activ...

Page 15: ...djust only the heat or cool set temperature buttons Adjust the desired set temperature with the COOL I2 00 Su 70 Pm 76 Page 2 4 Selecting Your Desired Temperature adjusting the setpoints Selecting Your Desired Temperature adjusting the setpoints HEAT COOL AUTO Su 70 Pm 68 76 I2 00 FanOn Using the Fan Button Using the Fan Button 2 TOTALINE Press FAN Fan On indicates constant fan operation You may t...

Page 16: ...Contents Setting the Clock 3 2 Setting the Day 3 2 Note During setup programming pressing the UP or DOWN buttons will modify the flashing selection SECTION 3 Setting the Clock and Day Setting the Clock and Day 3 TOTALINE ...

Page 17: ...ss the SET CLOCK button Press the SET CLOCK button to return to normal operation Su Setup 2 Am I2 00 Setup I Setting the Clock Setting the Clock Setting the Day Setting the Day Press MODE RAM M VACATION SET CLOCK 3 RAM M VACATION SET CLOCK TOTALINE To adjust the time by hours press and hold the FAN button while pressing the UP or DOWN buttons ...

Page 18: ...anual or Auto Changeover Thermostat 4 3 Selecting the Operating Mode 4 4 Selecting Your Desired Temperature 4 8 Page 4 1 Note During setup programming pressing the UP or DOWN buttons will modify the flashing selection SECTION 4 Basic Operation Basic Operation 4 TOTALINE ...

Page 19: ... are pressed the display will leave the setup screens after 30 seconds Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens If NO is selected the thermostat will lockout the Program On screen only the Off Heat Cool and Auto screens may be accessed by pressing the MODE button Select YES if you would like your thermostat to be programmable then the Program mod...

Page 20: ...s desired this thermostat may be configured to be a manual heat and cool thermostat with or without time period programmability Follow the step below The thermostat may be programmed to function as a Heat Only or Cool Only thermostat by selecting NO in the setup screen below This will lockout the Auto Changeover screen and only allow the Off Heat Cool and Program On screens to be accessed Select Y...

Page 21: ...e HEAT setting indicates the temperature the room has to reach before the furnace will turn on to heat the room Heating Only The COOL setting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room Cooling Only OFF indicates both heating and air conditioning systems are turned off Off Operating Mode when the Thermostat is Configured to be Operating ...

Page 22: ...e temperature the room has to reach before the furnace will turn on to heat the room Heating Only Select the Mode by Pressing the MODE Button The COOL setting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room Cooling Only AUTO will automatically select heat or cool based on room temperature demand Heating or Cooling OFF indicates both heating ...

Page 23: ...fore the air conditioner will turn on to cool the room Cooling Only OFF indicates both heating and air conditioning systems are turned off Off Time Schedule for Heating Only Time Schedule for Cooling Only The HEAT Program On setting will activate the time period program for the heating setpoint ONLY Morning Day Evening Night Periods HEAT I2 00 Su 70 Pm 68 The COOL Program On setting will activate ...

Page 24: ...ting indicates the temperature the room has to reach before the air conditioner will turn on to cool the room Cooling Only AUTO will automatically select heat or cool based on room temperature demand Heating or Cooling OFF indicates both heating and air conditioning systems are turned off Off Time Schedule for Heating or Cooling The Program On setting will activate the time period programming for ...

Page 25: ...tons Adjust the desired set temperature with the HEAT COOL AUTO I2 00 Su 70 Pm 68 76 HEAT OR COOL MODE Pressing the UP or DOWN buttons in Heat or Cool modes will adjust only the heat or cool set temperature buttons Adjust the desired set temperature with the COOL I2 00 Su 70 Pm 76 Selecting Your Desired Temperature adjusting setpoints Selecting Your Desired Temperature adjusting setpoints TOTALINE...

Page 26: ...ction 5 Contents Viewing the Outside Temperature 5 2 Viewing the Indoor Humidity 5 3 Page 5 1 SECTION 5 Viewing the Temperature and Humidity Sensors Viewing the Temperature and Humidity Sensors TOTALINE 5 ...

Page 27: ...ide Temperature Viewing the Outside Temperature Press the OUTSIDE button Press the OUTSIDE button to return to normal operation High temperature for the day Low temperature for the day Current outside temperature This reading is from the sensor connected to RS1 78 The High and Low temperatures for the day will be displayed along with the current outside temperature This reading is from the sensor ...

Page 28: ... always possible to achieve the desired humidification or dehumidification setpoint TOTALINE 5 Requires the Humidity Module optional accessory to be installed To display the current humidity at the thermostat press the HUMIDITY button of the thermostat The display will then show the current indoor humidity along with the humidification setpoint Section 9 Note The humidity reading will not appear u...

Page 29: ...TOTALINE Section 6 Contents Programming a Daily Schedule 6 2 Page 6 1 SECTION 6 Programming the Daily Schedule Programming the Daily Schedule 6 ...

Page 30: ...t for Morning Adjust the cooling setpoint for Morning Mo Su 35 99 35 99 Press PROGRAM Mo Morning Am Mo Start COOL Morning Am Mo 78 HEAT COOL Morning Am Mo 70 78 Programming a Daily Schedule Programming a Daily Schedule Press MODE Press MODE Press MODE Press MODE Use the Programming Worksheet on the back cover to help with this section 6 00 6 00 6 00 TOTALINE 6 ...

Page 31: ...e start time for Day Adjust the heating setpoint for Day Adjust the cooling setpoint for Day 35 99 35 99 35 99 Day Am Mo Start Day Am Mo COOL 85 Day Am Mo HEAT 62 COOL 85 Mo Start Evening Pm Mo Evening COOL 78 Pm Press MODE Press MODE Press MODE Press MODE Press MODE 8 00 8 00 8 00 6 00 6 00 TOTALINE 6 ...

Page 32: ...tpoint for Evening Adjust the cooling setpoint for Night Adjust the start time for Night 35 99 35 99 35 99 HEAT COOL Evening Mo Pm 70 78 Night Mo Start Pm COOL Night Mo Pm 82 HEAT COOL Night Mo Pm 62 82 Press MODE Press MODE Press MODE Press MODE 6 00 I0 00 I0 00 I0 00 TOTALINE 6 ...

Page 33: ...shing prompts for input will appear for the four time periods for the next day Press MODE Press MODE Yes No Tu Selecting Yes then pressing mode will copy the previous day s program If yes is selected again or each time this routine will repeat 6 After programming for all seven days is complete press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the ...

Page 34: ...TOTALINE Section 7 Contents Using the Fan Button 7 2 Programming the Fan 7 3 Setting the Fan Off Time Delay 7 4 Page 7 1 SECTION 7 Programming the Fan Operation Programming the Fan Operation 7 ...

Page 35: ...ing otherwise the fan will remain off Pressing the FAN button will energize the fan and display the FanOn icon on the thermostat display To operate the fan in the automatic mode press the FAN button again and the FanOn icon will disappear TOTALINE 7 Fan On indicates constant fan operation You may turn the fan on even if the thermostat is in the Off mode Pressing the FAN button toggles this feature...

Page 36: ... the fan will run for the number of minutes selected in step 3 Steps 4 5 restrict the hours during which the programmable fan may operate step 4 is the start time and step 5 is the stop time Selecting the same start and stop times will cause the fan to operate 24 hours a day Page 7 3 Programming the Fan Programming the Fan PROGRAM MODE MODE Press the MODE button While holding the MODE press the PR...

Page 37: ... Setup 6 Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press Page 7 4 Setting the Fan Off Time Delay Setting the Fan Off Time Delay PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen ap...

Page 38: ...ents Turning On Off the Backlight 8 2 Programming the Thermostat to Display Temperature in Fahrenheit or Celsius 8 2 Locking Unlocking the Keypad 8 3 Page 8 1 SECTION 8 Thermostat Display Options Thermostat Display Options 8 ...

Page 39: ...lsius Programming the Thermostat to Display Temperature in Fahrenheit or Celsius Page 8 2 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears 7 Setup Select backlight operation AUTO Light from 6pm to 6am nightly ON Light continuously OFF Light for 8 seconds after a button pre...

Page 40: ...her The icon will appear on the display then release the buttons Press all three buttons in the order outlined above for keypad lockout MODE HEAT COOL 65 I2 00Pm 55 85 Locking Unlocking the Keypad Locking Unlocking the Keypad TOTALINE 8 To unlock the keypad press and hold the MODE button While holding the MODE button press the UP and DOWN buttons together The icon will disappear from the display t...

Page 41: ... components including but not limited to the filters and pads are not the responsibility of the thermostat manufacturer The Humidifier Service icon is only a suggestive reminder and should not take the place of the humidifier manufacturer s required maintenance requirements and schedule Disclaimer The manufacturer of this thermostat cannot be liable for misinstallation improper connection or impro...

Page 42: ... the back plate Plug the Humidity Module into the Humidity Module connector as shown in Figure 2 below Follow the detailed instructions included with the Humidity Module accessory Once the Humidity Module has been installed you must adjust the Humidity jumper setting to HUM as shown in Figure 1 below This will allow you to access the humidification and dehumidification setup steps TOTALINE 9 1 2 4...

Page 43: ...ISC3 jumper on the terminal labeled HUM see diagram below This will supply 24VAC to the selected MISC terminal based on the humidification programming in the following pages Only one of the three outputs MISC1 MISC2 or MISC3 is required to have this jumper For more information regarding the MISC1 MISC2 and MISC3 outputs please see section 18 W3 HUM DEHUM MISC3 MISC2 MISC1 Y2 MISC1 ONLY TOTALINE IM...

Page 44: ...ropriate terminal on the backplate of the thermostat when the humidity in the home falls below the setpoint you have chosen The value for this setpoint ranges from 0 to 60 Adjusting the Humidification Setpoint Adjusting the Humidification Setpoint You cannot set the dehumidify setpoint any lower than the humidify setpoint a 5 differential is forced between the humidify and dehumidify setpoints Pre...

Page 45: ...installed For instructions on installing the Humidity Module please see page 9 2 Section 10 Contents Configuring a Thermostat Output Jumper for Dehumidification Operation 10 2 Adjusting the Dehumidification Setpoint 10 3 Using Your Air Conditioner to Dehumidify 10 4 Using the DEHUM Terminal 10 5 SECTION 10 Dehumidification Dehumidification 10 ...

Page 46: ...f the MISC outputs using dehumidification based operation install the Humidity Module and place the Humidity Jumper on HUM see page 9 2 Then place the MISC1 MISC2 or MISC3 jumper on the terminal labeled DEHUM see diagram below This will supply 24VAC to the selected MISC terminal based on the program ming in the following pages Only one of the three outputs MISC1 MISC2 or MISC3 is required to have ...

Page 47: ... setpoint you have chosen When the indoor humidity rises above the setpoint you have selected the appropriate terminal will be de energized see page 10 5 The value for this setpoint ranges from 25 to 99 and the Humidity Module has been installed Adjusting the Dehumidification Setpoint Adjusting the Dehumidification Setpoint Press Dehumidification Notes Press the button to set the dehumidification ...

Page 48: ...nd fan to dehumidify the air Adjust the maximum overshoot of the set temperature in Cool to Dehumidify mode Step 10 appears only if step 9 is set to ON Select Cool to Dehumidify feature On Off Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds OFF DeHumidify Setup 9 COOL DeHumidify 3 Setup I0 PROGRAM Press MODE Pr...

Page 49: ...idity is greater than the dehumidification setpoint 2 Normally Open NO The thermostat will energize the DEHUM terminal to allow the fan to run in low speed when there is a call for 1st stage cooling only and the room humidity is greater than the dehumidification setpoint Dehumidification Notes The DEHUM terminal will release and allow the fan to operate normally if there is call for 2nd stage cool...

Page 50: ...TOTALINE Page 11 1 Section 11 Contents Viewing the Humidifier Run Time 11 2 Viewing the UV Light Run Time 11 3 SECTION 11 Viewing Equipment Run Times Viewing Equipment Run Times 11 ...

Page 51: ...Humidification Run Time Viewing the Humidification Run Time Counts the number of days the humidifier has been running Press FAN to reset the Service Humidify counter and remove the icon from the display Press FAN 0 Service Setup I2 Humidify Page 11 2 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until...

Page 52: ...AN After the UV light has been operating for the number of days set in step 13 below the Service UV Light icon will appear This counter keeps track of the number of days since the UV light icon was last reset 0 UV Light Setup I3 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen app...

Page 53: ...Viewing the Heat Pump and Reversing Valve Jumper Setting 12 2 Viewing the Electric Heat Jumper Setting 12 3 Using Emergency Heat 12 4 SECTION 12 Electric Heat and Heat Pump Operation Electric Heat and Heat Pump Operation TOTALINE 12 ...

Page 54: ...ize in heating O I5 Setup Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press MODE Press ON Heat Pump operation OFF Gas Electric operation I4 Setup OFF Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen ...

Page 55: ...r on ELEC will cause the thermostat to turn on the fan immediately any time there is a heat demand Since most gas furnaces control the fan this feature should be off unless the heater is only electric Step 16 is Read Only and may only be set with the jumpers on the circuit board of the thermostat Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the...

Page 56: ...m 74 Page 12 4 OPERATION During Emergency Heat operation the thermostat will turn on the fan and the 2nd stage of heat when there is a demand for heat Also during Emergency Heat the 1st stage of heating or cooling will be unavailable EXIT EMERGENCY HEAT Follow the same steps as entering Emergency Heat by pressing the FAN and UP buttons During Emergency Heat only OFF and HEAT modes are available by...

Page 57: ... Heat Cool Differential 13 2 Adjusting the Cycles Per Hour 13 3 Adjusting the Deadband 13 4 Adjusting the Minutes of Run Time Before the Next Stage 13 6 Selecting 2nd Stage Turn Off Temperature 13 7 SECTION 13 Timers and Deadbands Timers and Deadbands 13 ...

Page 58: ...ROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Note Press the MODE button momentarily to move through the setup screens Press and hold the MODE button to move back wards through the setup screens TOTALINE Note To increase the spread between the heating and cooling setpoin...

Page 59: ... be allowed to energize once every 10 minutes The Cycles Per Hour limit may be overridden and reset by pressing any button on the thermostat Cy 6 Setup I8 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Select the cycles per hour limit d cycles per hour limit defeated d1 ...

Page 60: ...time required step 23 page 13 6 It is adjustable from 0 60 minutes and the default is two minutes B The temperature from the setpoint is equal to or greater than the setpoint plus the 1st stage deadband step 19 next page plus the 2nd stage deadband step 20 next page plus the 3rd stage deadband step 21 next page This 3rd stage deadband is adjustable from 0 10 degrees and the default is two degrees ...

Page 61: ...the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press MODE Press MODE Press TOTALINE PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Note Press the MODE button momentarily to move th...

Page 62: ...n please see the explanation on page 13 4 Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press MODE Press PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears TOTALINE Note Press t...

Page 63: ...leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press Select On or Off On 2nd stage will remain on until setpoint is reached Off 2nd stage will turn off after reaching 1st stage deadband On Off OFF 2 Setup 24 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MO...

Page 64: ...4 1 Section 14 Contents Installing the Remote Sensors 14 2 Controlling or Reading the Remote Temperature RS1 14 3 SECTION 14 Programming Remote Sensor Operation Programming Remote Sensor Operation TOTALINE 14 ...

Page 65: ...l the thermostat the degree icon on the thermostat will blink once per second to indicate that a remote sensor reading is being displayed The wired sensor can be connected to the thermostat with up to 150 of 18 ga 300 of 20 ga or 450 of 22 ga unshielded thermostat wire See the Remote Sensor accessory for further details RS RS GND RS RS GND RS1 RS2 Y1 G R C MISC2 W1 O B MISC1 RS 5 RS1 RSGND W2 RS2 ...

Page 66: ...e temperature reading from the remote sensor The degree icon on the thermostat will blink once per second to indicate that a remote sensor reading is being displayed This is the factory default setting Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press Optional Remote Sensor YES Read Only Remote Sens...

Page 67: ...t setting at exactly 6am The P374 1800 learns from experience so please allow 4 8 days after a program change or after initial installation to give Energy Save time to adjust to local weather the construction of your home and your heating and cooling system Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRA...

Page 68: ...tting and Resetting the Service Filter Fan Run Time Alarm 16 2 Setting and Resetting the UV Light Run Time Alarm 16 3 Setting and Resetting the Humidify Run Time Alarm 16 4 SECTION 16 Programming Run Time Alarms Programming Run Time Alarms 16 ...

Page 69: ... the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Press the PROGRAM button to leave the Setup screens If no buttons are pressed the display will leave the setup screens after 30 seconds PROGRAM Press Reset the counter to 0 to remove the Service Filter icon from the display Press FAN 0 1950 hours 0 Service Filter Setup 27 0 Se...

Page 70: ...econds PROGRAM Press 0 1990 days 0 UV Light Setup 29 Service PROGRAM MODE MODE Reset the counter to 0 to remove the Service UV Light icon from the display Press FAN 0 UV Light Setup I4 Service Days since the UV Light icon has been reset Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Adjus...

Page 71: ...e MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Reset the counter to 0 to remove the Service Humidify icon from the display Adjust the number of days in increments of 10 before the Service Humidify icon appears 0 Off 0 1990 days Days since the last reset of the Service Humidify counter The humidif...

Page 72: ...ng setpoint for Vacation mode 35 99 Select the number of days that the Vacation schedule will be in effect A value of 0 disables Vacation mode Adjust the cooling setpoint for Vacation mode 35 99 2 COOL Setup 80 y I Setup 0Vacation Vacation 3 HEAT Setup 65 Vacation PROGRAM VACATION SET CLOCK Press MODE Press MODE PROGRAM VACATION SET CLOCK Press the SET CLOCK button While holding the SET CLOCK butt...

Page 73: ...n below y 2 Programming Vacation Mode continued Programming Vacation Mode continued To return the thermostat to normal operation from Vacation mode press the PROGRAM and SET CLOCK buttons and adjust the days in step 1 to zero see previous page Press the PROGRAM and SET CLOCK buttons to return to normal operation TOTALINE 17 ...

Page 74: ...TOTALINE Page 18 1 Section 18 Contents Configuring the Jumpers 18 2 Explanation of Jumper Settings 18 3 SECTION 18 Configuring the MISC Outputs Configuring the MISC Outputs 18 ...

Page 75: ...output labeled MISC1 MISC2 and MISC3 may be set for one of the five choices available In the diagram below the MISC3 jumper has been set for HUM humidification operation the MISC2 jumper has been set for DEHUM dehumidification operation and the MISC1 jumper has been set for W3 3rd stage of heat operation 18 HP GAS B O ELEC GAS FAN W1 Y1 G R C MISC2 W2 MISC1 RS2 RSGND MISC3 RS 5 Rs1 W3 HUM DEHUM MI...

Page 76: ...nt Deadband Deadband Deadband Deadband Deadband db 1 db 1 db 2 db 2 db 3 adj 1 6 adj 0 10 adj 0 10 adj 0 10 adj 1 6 1st Stage turn on 2nd Stage turn on 3rd Stage turn on 1st Stage turn on 2nd Stage turn on Heating Cooling TEMPERATURE DECREASE INCREASE W3 MULTI STAGE OPERATION EXPLAINED SECTION 13 TOTALINE HUM JUMPER SETTING If the jumper for MISC1 MISC2 or MISC3 is set to HUM the corresponding MIS...

Page 77: ...of two ways 1 Normally Closed NC The thermostat will de energize the MISC1 MISC2 or MISC3 terminal of the thermostat this MISC terminal is connected to the DEHUM terminal on your furnace to allow the fan to run in low speed when the humidity in the home is above the dehumidify setpoint you have chosen and there is a call for 1st stage cooling 2 Normally Open NO The thermostat will energize the MIS...

Page 78: ...e from 0 60 minutes and the default is two minutes B The temperature spread from the setpoint is equal to or greater than the setpoint plus the deadband step 20 page 13 5 plus the 2nd deadband step 20 page 13 5 This 2nd deadband is adjustable from 0 10 degrees and the default is two degrees Page 18 5 Explanation of Jumper Settings continued Explanation of Jumper Settings continued And TOTALINE 18 ...

Page 79: ...tents Resetting the Thermostat to the Factory Default Settings 19 2 Calibrating the Temperature and Humidity Sensors 19 3 SECTION 19 Factory Defaults Calibration and Sensors Factory Defaults Calibration and Sensors TOTALINE 19 ...

Page 80: ... lost Place the thermostat in the OFF mode Press and hold the MODE button While holding the MODE button press and hold the FAN button for 5 seconds All icons will appear on the display After all of the icons appear release the MODE and FAN buttons Then press and hold the FAN button for 5 seconds After the letters Fd appear on the display Factory Default release the FAN button Press the MODE button...

Page 81: ...orm the following procedure Place the thermostat in the OFF mode Press the UP and DOWN buttons at the same time twice The thermostat temperature will be displayed and may be calibrated using the UP or DOWN buttons Press the MODE button once The relative humidity at the thermostat will be displayed and may be calibrated using the UP or DOWN buttons CALIBRATE CALIBRATE MODE Press the MODE button onc...

Page 82: ...ROL optional accessory When the IR Receiver is connected the thermostat can be controlled using an IR Remote Control For more information see the instruction sheet for the IR Receiver P374 0431 ACCESSORY PORT The RJ11 Jack is used to connect the P374 1800 to the IR Receiver P374 0431 for wireless communication or the EZ Programmer P374 0432 for easy downloading or uploading of thermostat informati...

Page 83: ...Yes No 0 00 0 60 24 Hour 24 Hour 0 30 60 90 Auto On Off F C On Off 0 5 NO NC 0 6 d1 d 2 6 Pg 4 2 4 3 7 3 7 3 7 3 7 4 8 2 8 2 10 4 10 4 10 5 11 2 11 3 12 2 12 2 12 3 13 2 13 3 1 6 0 10 0 10 0 60min 0 60min On Off Yes No Off On 0 1950 0 1990 0 1990 19 20 21 22 23 24 25 26 27 28 29 30 Deadband Temp Swing 1st Stage Deadband Temp Swing 2nd Stage Deadband Temp Swing 3rd Stage Minutes Between Stage 1 2 M...

Page 84: ...ngeover 1 3 13 2 4 3 4 5 21 1 differential see Differential fan 7 2 icon 1 3 lockout 4 3 mode 2 3 AuxHeat icon 1 5 b reversing valve 12 2 Buttons down 2 2 2 4 1 2 8 3 19 3 fan 1 2 2 4 7 2 12 4 19 2 front panel 1 2 humidity 1 2 5 3 9 3 10 3 mode 1 2 2 3 4 2 8 3 19 2 outside 1 2 5 2 program 1 2 4 2 6 2 set clock 1 2 2 2 17 1 up 1 2 2 2 8 3 12 4 vacation 1 2 17 1 C 8 2 21 1 Calibration 19 3 Celsius C...

Page 85: ... Electric Heating AuxHeat icon 1 5 jumper setting 12 3 21 1 Emergency Heat 12 4 Dehumidify cool to 10 4 21 1 icon 1 5 setpoint 10 3 Delay fan off see Fan time between stages see Time Delay Differential heat and cool 13 2 21 1 dehumidify 10 2 humidify 9 3 Disabled Keypad see Keypad Lockout Energy Save 15 1 F 8 2 21 1 Factory Defaults caution ii settings 19 2 resetting 19 2 Fahrenheit 8 2 Fan off ti...

Page 86: ...d icon 1 3 indicator 1 2 mode 2 3 program see Program run time see Run Time setpoint 2 3 2 4 6 2 6 4 Heat Pump AuxHeat 1 5 emergency heat 12 4 jumper setting 12 2 Hi icon 1 4 5 2 temperature 5 2 Humidify icon 1 5 service 11 2 16 4 21 1 setpoint 9 4 IR Receiver 20 1 IR Remote Control electric heat pump 12 2 20 1 Jumpers DEHUM 18 3 ELEC 12 3 electric heat 12 3 gas electric 12 2 heat pump 12 2 21 1 H...

Page 87: ... Mode 1 3 2 3 Outdoor see Outside Outside button see Buttons icon 1 3 sensor 1 3 5 2 14 3 Program copy 6 4 6 5 daily schedule 6 2 6 5 mode 1 4 4 6 4 8 On icon 2 3 worksheet back page Programmable Fan 7 3 21 1 Programmable Thermostat 4 2 Remote Sensor calibrate 19 3 control to 14 3 14 4 21 1 degree icon blink 14 2 14 3 outside temperature see Outside read to 14 3 viewing 19 4 21 1 Reset thermostat ...

Page 88: ...ut 13 3 cycles per hour 13 3 21 1 1st to 2nd stage 13 6 21 1 2nd to 3rd stage 13 6 21 1 Time Schedule see Program UV Light icon 1 4 resetting see Reset run time see Run Time setting see Run Time Warranty 23 1 Vacation button see Buttons mode 17 1 17 2 programming 17 1 17 2 setpoints 17 1 T SECTION 22 Index Index U V W ...

Page 89: ... 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 including filter cleaning and or replacement...

Page 90: ...g Morning Day Day Evening Evening Night Night Copy Fri Sat Copy Tue Wed Copy Thu Fri S U N D A Y Morning Day Evening Night Copy Sat Sun Copy Wed Thu W E N E S D D A Y T U R H S D A Y Morning Morning Day Day Evening Evening Night Night DAY PERIOD HEAT START TIME COOL Copy Mon Tue M O N D A Y T U E S D A Y Morning Morning Day Day Evening Evening Night Night ...

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