background image

I

OT

N

T

AL

E

AUTO

0

I2 0

:

Su

Pm

HEAT

O

O L

C

2

7

74

RESIDENTIAL

RESIDENTIAL

THERMOSTAT

THERMOSTAT

P/N 

P/N 

P374- 

P374- 

1900

1900

TOTALINE

Signature

HEAT

COOL

HEAT

PUMP

DUAL

  FUEL CAPABLE

HEAT

COOL

HEAT

PUMP

DUAL

  FUEL CAPABLE

7-DAY

PROGRAMMABLE

DIGITAL

THERMOSTAT

HUMIDITY

CONTROL

Equipped with Humidity Module

Programmable Output

Accepts EZ Programmer

Accepts Optional IR Remote Control

Optional Internet / Phone Control

Accessory

Outdoor Sensor Ready

with High/Low Readouts

for the Day

with

Replacement Components Division      Carrier Corporation 02/06

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

3 Configurable Outputs

Control up to 3 Heat &

2 Cool Stages

Adjustable 2nd & 3rd Stage

Timers & Deadbands

Backlit Display & Button

Legends

Aux Heat Indicator

Dry Contact Equipped

3 Configurable Outputs

Control up to 3 Heat &

2 Cool Stages

Summary of Contents for P374-1900

Page 1: ... Internet Phone Control Accessory Outdoor Sensor Ready with High Low Readouts for the Day with Replacement Components Division Carrier Corporation 02 06 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 3 Configurable Outputs Control up to...

Page 2: ...nterference and 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 CAUTIO...

Page 3: ... 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 Header shows section and title of section Section contents Visible section tab on the side of the page Section and page Th...

Page 4: ...erence 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 operating condition of the thermostat i e Off Heat Cool Auto Program On Non Programmab...

Page 5: ......

Page 6: ... Schedule Programming the Fan Operation Thermostat Display Options Humidification Dehumidification Viewing Equipment Run Times Electric Heat and Heat Pump Operation Dual Fuel Operation Timers and Deadbands Using the Programmable Output Programming Remote Sensor Operation Dry Contact Operation Energy Save Operation Programming the Run Time Alerts Programming the Vacation Mode Configuring the MISC O...

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: ... VACATION OUTSIDE AUTO I2 00 Mo Pm HEAT COOL 72 74 AUTO I2 00 Mo Pm HEAT COOL 72 74 HUMIDITY FAN PROGRAM SET CLOCK VACATION Premier Residential 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 QUICK RELEASE FOR ACCESSORY PORT pg 23 1 ...

Page 9: ... Indicates the current time and day This clock is also used to program the time period schedules 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 highest and lowest temperatures for the day Outside icon Section 5 Indicates the temper...

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

Page 11: ...ly the Aux icon will appear during Cool to Dehumidify to indicate Reheat operation Sections 9 10 Section 5 Hi icon Section 5 Indicates the highest recorded outside temperature for the day Service Pan icon Section 17 Indicates that a sensor optional accessory has detected the condensate drain pan is full and the compressor Y1 has been locked out COOL AUTO OFFON Morning DayNight Evening FanOn Am I8 ...

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 Mo 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 Mo 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: ...eens If no buttons 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 th...

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: ...tting 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 wil 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: ...e 5 2 Viewing the Outside Temperature RS2 Viewing the Outside Temperature RS2 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 highest and lowest temperatures for the day will be displayed along with the current outside temperat...

Page 28: ... view the indoor humidity reading press the HUMIDITY button To display the current humidity measured at the thermostat press the HUMIDITY button of the thermostat The display will then show the current indoor humidity along with the humidification setpoint NOTE Due to variations in environmental conditions it is not always possible to achieve the desired humidification or dehumidification setpoint...

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: ...sius 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 pres...

Page 40: ...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 then ...

Page 41: ... 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 improper programming of the humidity functions of this thermostat that may result in water damage or mold growth Section 9 Contents Configuring a T...

Page 42: ...ion NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK THIS MAY DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY MISC3 MISC3 OK To control a MISC output for humidification place the MISC1 MISC2 or MISC3 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 ...

Page 43: ...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 Humidification Notes Press t...

Page 44: ...ize when there is a call for humidification 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 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 mom...

Page 45: ...rmostat Output Jumper for Dehumidification Operation 10 2 Adjusting the Dehumidification Setpoint 10 3 Using Your Air Conditioner to Dehumidify 10 4 Using the Reheat Function 10 5 Using the DEHUM Terminal 10 6 SECTION 10 Dehumidification Dehumidification 10 ...

Page 46: ...et for DEHUM operation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK THIS MAY DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY MISC3 MISC3 OK To control a MISC output for dehumidification 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 dehumidification programming in the following pag...

Page 47: ...ts NOTE Due to variations in environmental conditions it is not always possible to achieve the desired humidification or dehumidification setpoint Cool to Dehumidify If the thermostat is programmed for Cool to Dehumidify operation then the thermostat will energize the cooling system any time the humidity in the home is above the setpoint you have chosen The thermostat may also be programmed for Re...

Page 48: ...ation setpoint is not 99 see page 10 3 0 5 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 10 I i If Cool to Dehumidify is on and the Humidity Module is installed the thermostat has the ability to initiate a cooling cycle for advanced dehumidification operation When the thermostat detects ...

Page 49: ...Dehumidify operation HEAT OFF DeHumidify Setup I2 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 Dehumidification Notes Reheat is only available if Cool to Dehumidify has been set to ON in step 10 see page 10 4 Step 12 appears only if step 10 is set to ON and if the Dehumidification setpoint is n...

Page 50: ...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 51: ...1 Section 11 Contents Viewing the Heat Run Time 11 2 Viewing the Cool Run Time 11 3 Viewing the Humidifier Run Time 11 4 Viewing the UV Light Run Time 11 5 SECTION 11 Viewing Equipment Run Times Viewing Equipment Run Times ...

Page 52: ...of hours Heat has been running Press FAN to reset the Energy Watch Heat counter 0 1999 hrs 0 HEAT Setup I4 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 Energy Watch This feature enables you to closely monitor your energy usage by keeping track of the number of hours yo...

Page 53: ...umber of hours that your cooling system has been operating Press the FAN button to reset the counter 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 Energy Watch This feature enables you to closely monitor your energy usage by keeping track of the number of hours your coo...

Page 54: ...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 I6 Humidify Page 11 4 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 55: ...AN After the UV light has been operating for the number of days set in step 17 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 I7 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 56: ...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 57: ...ter 30 seconds PROGRAM Press MODE Press PROGRAM MODE MODE Steps 18 and 19 are Read Only and may only be set with the jumpers on the circuit board of the thermostat see page 5 4 of the Installation Instructions ON Heat Pump operation OFF Gas Electric operation I8 Setup OFF Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MODE button repeatedly u...

Page 58: ...the fan immediately any time there is a heat demand Since most gas furnaces control the fan this feature should be off unless it is necessary for the thermostat to energize the fan with first stage heat see page 5 3 of the Installation Instructions Step 20 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...

Page 59: ...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 p...

Page 60: ...ce connected to W3 is energized There is a three degree deadband from the Changeover Balance Point which requires the outside temperature to rise three degrees before switching back to the primary heat source If an outside temperature sensor RS2 is not installed and the thermostat is programmed for Dual Fuel operation 1st and 2nd stage heating is locked out and only W3 will be energized see page 1...

Page 61: ...GRAM 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 Adjust the Changeover Balance Point for the outside sensor RS2 32 85 F OF no sensor 0 30 C 35 Setup Outside 22 Note Press the MODE button momentarily to move through the setup screens Press and hold the MODE button to move back...

Page 62: ...2 3 st nd rd W1 W2 W3 G Y1 RVR RVR RVR RVR RVR RVR RVR RVR RVR ST DF ON BP ON HP ON DF ON BP ON HP ON Dual Fuel Heat Pump with Balance Point set to OF DF ON BP OFF HP ON Dual Fuel Heat Pump with no Outside Sensor Outside Sensor has failed DF ON BP N A HP ON DF OFF BP ON HP ON DF OFF BP ON HP ON DF N A BP N A HP OFF Heat Pump with three stages of heat with Balance Point Outside Temp Balance Point E...

Page 63: ... Heat Cool Differential 14 2 Adjusting the Cycles Per Hour 14 3 Adjusting the Deadband 14 4 Adjusting the Minutes of Run Time Before the Next Stage 14 6 Selecting 2nd Stage Turn Off Temperature 14 7 SECTION 14 Timers and Deadbands Timers and Deadbands 14 ...

Page 64: ...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 14 Note To increase the spread between the heating and cooling setp...

Page 65: ...lowed to energize once every 10 minutes The Cycles Per Hour limit may be overridden and reset by pressing the UP or DOWN buttons on the thermostat Cy 6 Setup 24 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 defeat...

Page 66: ...ge 14 6 It is adjustable from 0 60 minutes and the default is two minutes B The temperature spread than the setpoint turned on when from the setpoint is equal to or greater plus the 1st stage deadband step 25 next page plus the 2nd stage deadband step 26 next page This 2nd stage deadband is adjustable from 0 10 degrees and the default is two degrees The 3rd Stage of Heat is turned on when A The 2n...

Page 67: ...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 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 14 Note Press the MODE button momentarily to move...

Page 68: ...n please see the explanation on page 14 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 14 Note Pres...

Page 69: ...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 30 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button to enter Setup screens Press the MO...

Page 70: ...r for Programmable Output Operation 15 2 Time Based Control of the Programmable Output 15 3 Temperature Based Control of the Programmable Output 15 6 Internet Phone Control of the Programmable Output 15 7 SECTION 15 Using the Programmable Output Using the Programmable Output 15 ...

Page 71: ...ree outputs MISC1 MISC2 or MISC3 is required to have this jumper For more information regarding the MISC1 MISC2 and MISC3 outputs please see section 21 In the diagram below the MISC1 jumper has been set for PROG operation NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK THIS MAY DAMAGE THE THERMOSTAT AND VOID YOUR WARRANTY MISC3 MISC3 OK TOTALINE IMPORTANT CAUTION DEHUM W3 PROG HUM MIS...

Page 72: ...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 15 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 OFF Time Temp Aux I8 88 88 I8 88 Setup To operate one of the MISC outpu...

Page 73: ...Programming 7 Day Different program for each day 1 Day Same program every day Adjust the program mable output start time for Monday 24 Hours Select the day of the week Time Based Control of the Programmable Output Time Based Control of the Programmable Output NC NO Programmable Output Polarity NC Normally Closed to turn off between the start and stop times in steps 35 and 36 NO Normally Open to op...

Page 74: ...g Yes then pressing FAN will copy the previous day s program If yes is selected each time this routine will repeat Once configuration of the programmable output has been completed press the MODE button to move on to the next setup step or press the PROGRAM button to exit Advanced Setup Time Based Control of the Programmable Output Time Based Control of the Programmable Output If No is selected as ...

Page 75: ...nter Setup screens Press the MODE button repeatedly until this setup screen appears Press Adjust the programmable output setpoint o o 35 125 Setup 3 i 88 80 Setup 37 Setup 32 NC NO Programmable Output Polarity NC Normally Closed to operate when the setpoint is less than the setpoint in step 36 NO Normally Open to operate when the setpoint is equal to or greater than the setpoint in step 36 MODE Pr...

Page 76: ...E press the PROGRAM button to enter Setup screens Press the MODE button repeatedly until this setup screen appears Setup 32 NC NO Programmable Output Polarity NC Normally Closed to operate when programmed to be OFF through the phone or internet NO Normally Open to operate when programmed to be ON through the phone or internet MODE Press TOTALINE 15 Note Press the MODE button momentarily to move th...

Page 77: ...ng the Remote Sensors 16 2 Controlling or Reading the Remote Temperature RS1 16 3 Averaging the Remote Sensor RS1 with the Thermostat Sensor 16 4 SECTION 16 Programming Remote Sensor Operation Programming Remote Sensor Operation TOTALINE 16 ...

Page 78: ... cable This is an unshielded cable with four twisted pairs of 24 gauge solid wire DO NOT use stranded cable The cable length should not exceed 250 feet If less than 75 feet of cable is required to connect the thermostat to the Remote Sensor a three conductor thermostat cable 18 24 gauge may be used this cable is NOT suitable for any length greater than 75 feet IMPORTANT Do no use shielded wire Do ...

Page 79: ... screens after 30 seconds PROGRAM Press Optional Remote Sensor YES Read Only Remote Sensor RS1 NO Control to Remote Sensor RS1 YES NO PROGRAM MODE MODE Setup 38 Outside 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 the MODE button momentarily to move through the setup...

Page 80: ...ss 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 Operation ON Averages thermostat sensor with Remote Sensor 1 OFF Does not average thermostat sensor with Remote Sensor 1 On Off OFF Setup 39 PROGRAM MODE MODE Press the MODE button While holding the MODE press the PROGRAM button t...

Page 81: ...TOTALINE Page 17 1 Section 17 Contents Dry Contact Operation 17 2 Dry Contact Polarity 17 2 Dry Contact Programming 17 3 SECTION 17 Programming the Dry Contact Programming the Dry Contact 17 ...

Page 82: ...S in step 40 If the dry contact is not going to be used select NO in step 40 below DRY CONTACT POLARITY The terminals may be set to be Normally Open NO or Normally Closed NC in step 41 If NO is selected the dry contact will operate when it is forced closed If NC is selected the dry contact will operate until it is forced open Set to YES if the dry contact will be used Set to NO if the dry contact ...

Page 83: ...een appears Select Service Pan to lockout Y1 when the dry contact is energized Select Vacation to enable Vacation setpoints when the dry contact is energized Connect wires to a time clock or other device to force the thermostat into Vacation mode Y1 G R C MISC2 CK1 CKGND W1 O B MISC1 RS 5 RS1 RSGND W2 RS2 MISC3 Y1 G R C MISC2 CK1 CKGND W1 O B MISC1 RS 5 RS1 RSGND W2 RS2 MISC3 OR Vacation Service P...

Page 84: ...erature to its correct setting at exactly 6am The P374 1900 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 af...

Page 85: ...tting and Resetting the Service Filter Fan Run Time Alert 19 2 Setting and Resetting the UV Light Run Time Alert 19 3 Setting and Resetting the Humidify Run Time Alert 19 4 SECTION 19 Programming Run Time Alerts Programming Run Time Alerts 19 ...

Page 86: ...ing 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 44 0...

Page 87: ...econds PROGRAM Press 0 1990 days 0 UV Light Setup 46 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 I7 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 88: ...y 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 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 ...

Page 89: ...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 90: ...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 20 ...

Page 91: ...TOTALINE Page 21 1 Section 21 Contents Configuring the Jumpers 21 2 Explanation of Jumper Settings 21 3 SECTION 21 Configuring the MISC Outputs Configuring the MISC Outputs 21 ...

Page 92: ...unctions depending on how the jumpers are set below Each 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 humidification operation and the MISC1 jumper has been set for PROG programmable operation HP GAS B O ELEC GAS FAN W1 Y1 G R C MISC2 ...

Page 93: ...kplate will control a third stage of heat Explanation of Jumper Settings Explanation of Jumper Settings And Heat Setpoint Cool Setpoint 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 ...

Page 94: ...ISC 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 MISC1 MISC2 or MISC3 terminal of the thermostat this MISC terminal is connected to the DEHUM terminal on your furnace to allow...

Page 95: ... 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 25 page 14 5 plus the 2nd deadband step 26 page 14 5 This 2nd deadband is adjustable from 0 10 degrees and the default is two degrees Page 21 5 Explanation of Jumper Settings continued Explanation of Jumper Settings continued And TOTALINE 21 C...

Page 96: ...tents Resetting the Thermostat to the Factory Default Settings 22 2 Calibrating the Temperature and Humidity Sensors 22 3 SECTION 22 Factory Defaults Calibration and Sensors Factory Defaults Calibration and Sensors TOTALINE 22 ...

Page 97: ...lace 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 once t...

Page 98: ...ollowing 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 AUXHEAT COOL AUTO OFFON Morning DayNight Evening FanOn Am I...

Page 99: ...t is capable of communication via the World Wide Web and phone by installing the optional Web Kit Heating and cooling functionality may be accessed and controlled through the phone or internet For more information contact your dealer SECTION 23 Accessories Accessories 23 IR RECEIVER REMOTE CONTROL optional accessory When the IR Receiver is connected the thermostat can be controlled using an IR Rem...

Page 100: ...nly read only Off On 32 85 0 6 d1 d 2 6 1 6 0 10 Pg 4 2 4 3 7 3 7 3 7 3 7 4 8 2 8 2 9 3 10 4 10 4 10 5 10 6 11 2 11 3 11 4 11 5 12 2 12 2 12 3 13 2 13 2 14 2 14 3 14 5 14 5 0 10 0 60min 0 60min On Off Off Time Temp Aux NO NC 7Day 1Day Mo Su 24 Hour 24 Hour 35 125 Yes No On Off Yes No NO NC Vacation Service Pan Off On read only 0 1950 0 1999 0 1999 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43...

Page 101: ...Time Auto adjust temperature 2 4 4 8 changeover 1 3 4 3 14 2 24 1 differential see Differential fan 7 2 icon 1 3 lockout 4 3 mode 2 3 Aux icon 15 7 AuxHeat icon 1 5 Average thermostat sensor 16 4 b reversing valve 12 2 Balance Point 13 1 13 2 24 1 Buttons down 2 2 2 4 1 2 8 3 22 3 11 2 11 5 12 4 22 2 fan 1 2 2 4 7 2 front panel 1 2 humidity 1 2 5 3 9 3 10 3 mode 1 2 2 3 4 2 8 3 22 2 outside 1 2 5 ...

Page 102: ... 14 4 14 5 21 3 24 1 Dehumidify Aux icon 1 5 cool to 10 4 24 1 DEHUM jumper 10 6 icon 1 5 setpoint 10 3 Delay fan off see Fan time between stages see Time Delay Differential dehumidify 10 2 heat and cool 14 2 24 1 humidify 9 2 Disabled Keypad see Keypad Lockout Drain Pan Overflow Alarm see Dry Contact Dry Contact operation 17 2 24 1 polarity 17 2 24 1 service pan 17 3 vacation 17 3 24 1 Dual Fuel ...

Page 103: ...24 1 2nd stage deadband see Deadband emergency heat 12 4 electric strip heat 2 4 minutes of run time 14 4 14 6 24 1 3rd stage deadband see Deadband W3 21 3 AuxHeat icon 1 5 deadband see Deadband droop see Deadband 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 multi stage 13 1 Hi icon ...

Page 104: ...con 1 5 5 2 temperature 5 2 Manual changeover 4 4 4 6 cool 4 3 heat 4 3 Maximum Outdoor Temperature see Hi Minimum Outdoor Temperature see Lo MISC jumper see Jumpers output 21 2 21 5 Mode 1 3 2 3 Multi stage Operation 14 4 Non Programmable Thermostat 4 2 4 4 4 5 Normally Open Closed dry contact 17 2 programmable output 15 4 dehum terminal 10 6 O Reversing Valve see Reversing Valve viewing temperat...

Page 105: ...idify 19 4 UV light 19 3 24 1 Reversing Valve 12 2 13 3 RS1 see Remote Sensor RS2 see Outside Sensor Run Time resetting see Reset setting humidifier 19 4 24 1 service filter 19 2 24 1 UV light 19 3 24 1 viewing cool 11 3 24 1 heat 11 2 24 1 humidification 11 4 24 1 UV light 11 5 24 1 Schedule Daily see Program 2nd stage turn off temperature 14 7 24 1 Sensor outside see Outside remote see Remote th...

Page 106: ...setting see Reset run time see Run Time setting see Run Time Vacation button see Buttons mode 20 1 20 2 programming 20 1 20 2 setpoints 20 1 W3 see Jumpers Warranty 26 1 Web 15 7 Y2 see Jumpers V SECTION 25 Index Index W Y ...

Page 107: ...K 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 replacemen...

Page 108: ...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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