TOTALINE P374-1 900 Owner's Manual
TOTALINE P374-1 900 Owner's Manual

TOTALINE P374-1 900 Owner's Manual

Heat cool and heat pump dual fuel capable 7-day programmable thermostat
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OWNER'S
OWNER'S
MANUAL
MANUAL
HEAT
HEAT
COOL
COOL
3 Configurable Outputs
3 Configurable Outputs
Control up to 3 Heat &
Control up to 3 Heat &
2 Cool Stages
2 Cool Stages
Adjustable 2nd & 3rd Stage
Timers & Deadbands
Backlit Display & Button
Legends
Aux Heat Indicator
Dry Contact Equipped
Outdoor Sensor Ready
with High/Low Readouts
for the Day
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.
TOTALINE
Signature
Replacement Components Division
RESIDENTIAL
RESIDENTIAL
THERMOSTAT
THERMOSTAT
P/N P/N P374-
P374- 1900
1900
HEAT
HEAT
PUMP
PUMP
DUAL
DUAL
FUEL CAPABLE
FUEL CAPABLE
7-DAY
PROGRAMMABLE
DIGITAL
THERMOSTAT
with
HUMIDITY
CONTROL
Accepts Optional Humdidity Module:
Controls Humidification,
Dehumidification and Reheat
Programmable Output
Accepts EZ Programmer
Accepts Optional IR Remote Control
Optional Internet / Phone Control
Accessory
Equipped with
Humidity Module
Carrier Corporation 08/05

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Table of Contents
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Summary of Contents for TOTALINE P374-1 900

  • Page 1 Day 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. TOTALINE Signature Replacement Components Division Carrier Corporation 08/05...
  • Page 2 TOTALINE CAUTION Follow the Installation Instructions before proceeding. Set the thermostat mode to “OFF” prior to changing settings in setup or restoring Factory Defaults. CAUTION NEVER PUT MORE THAN ONE JUMPER ON THE SAME MISC JUMPER BLOCK! THIS MAY DAMAGE YOUR...
  • Page 3 How to Use This Manual How to Use This Manual TOTALINE The Table of Contents divides the thermostat features into sections making it easier to quickly find information. The first page of each section contains a more detailed Contents of each section, such as the example page shown below.
  • Page 4 Glossary of Terms Glossary of Terms TOTALINE Auto-Changeover: A mode in which the thermostat will turn on the heating or cooling based on room temperature demand. Configurable Output Jumper: Using jumpers on the thermostat you can configure the MISC1, MISC2, and MISC3 terminals to operate with regards to humidification, dehumidification, 2nd stage cooling, 3rd stage heating, and a programmable output.
  • Page 6: Table Of Contents

    Table of Contents Table of Contents TOTALINE Getting to Know Your Thermostat Quick Start Setting Clock and Day Basic Operation Viewing Temperature and Humidity Programming the Daily Schedule Programming the Fan Operation Thermostat Display Options Humidification Dehumidification Viewing Equipment Run-Times...
  • Page 7: Getting To Know Your Thermostat

    SECTION 1 Getting to Know Your Thermostat Getting to Know Your Thermostat TOTALINE Section 1 Contents: Front Panel Buttons.....1.2 Display Features......1.3 Page 1.1...
  • Page 8 TOTALINE Front Panel Front Panel Warmer Button sometimes referred Backlit LCD Display (glows red) to as the UP button I2:00 AUTO TOTALINE Cooler Button sometimes refer- (glows blue) red to as the DOWN button Mode Heat or Cool Demand Indicator...
  • Page 9 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Vacation OFFON Morning DayNight Evening FanOn Mode Indicators - Section 4 Selects the operational mode of the equipment. HEAT - Indicates the heating mode.
  • Page 10 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Vacation OFFON Morning DayNight Evening FanOn Morning, Day, Evening & Night icons - Section 6 Indicates the day part of the time period program.
  • Page 11 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Vacation OFFON Morning DayNight Evening FanOn Vacation icon - Section 20 Indicates the thermostat has Vacation setpoints in use. AuxHeat icon -...
  • Page 12: Quick Start

    SECTION 2 Quick Start Quick Start TOTALINE Section 2 Contents: Setting the Clock and Day...2.2 Selecting the Heat or Cool Mode..........2.3 Selecting 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.
  • Page 13 TOTALINE CLOCK VACATION Press the SET CLOCK button During Setup & Programming: Pressing the UP or DOWN Setting the Clock Setting the Clock buttons will modify the flashing selection. I2:00 Setup To adjust the Clock or Day use Press Setting the Day...
  • Page 14 TOTALINE Selecting the Heat or Cool Mode Selecting the Heat or Cool Mode Select Mode by Pressing the MODE Button I2:00 Heating Only The HEAT setting indicates the temperature the room has to reach before the furnace will Press turn on to heat the room.
  • Page 15 TOTALINE Selecting Your Desired Temperature Selecting Your Desired Temperature (adjusting the setpoints) (adjusting the setpoints) AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program mode will adjust both the heat and cool set temperatures simultaneously.
  • Page 16: Setting Clock And Day

    SECTION 3 Setting the Clock and Day Setting the Clock and Day TOTALINE Section 3 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. Page 3.1...
  • Page 17 TOTALINE CLOCK During Setup & Programming: VACATION Press the SET Pressing the UP or DOWN CLOCK button buttons will modify the flashing selection. Setting the Clock Setting the Clock I2:00 Setup To adjust the Clock or Day use Press Setting the Day...
  • Page 18: Basic Operation

    SECTION 4 Basic Operation Basic Operation TOTALINE Section 4 Contents: Programmable or Non- Programmable Thermostat..4.2 Manual or Auto-Changeover Thermostat........4.3 Selecting the Operating Mode..4.4 Selecting Your Desired Temperature........4.8 Note: During setup & programming pressing the UP or DOWN buttons will modify the flashing selection.
  • Page 19 TOTALINE Programmable or Non-Programmable Programmable or Non-Programmable Thermostat Thermostat When the very simplest operation is desired, this thermostat may be configured to be non-programmable, with or without Auto Changeover. Follow the step below. If ‘NO’ is selected, the thermostat will lockout the Program On screen;...
  • Page 20 TOTALINE Manual or Auto-Changeover Manual or Auto-Changeover Thermostat Thermostat When the very simplest operation is 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’...
  • Page 21 TOTALINE Operating Mode when the Thermostat Operating Mode when the Thermostat is Configured to be: is Configured to be: NON-PROGRAMMABLE WITH MANUAL CHANGEOVER - If the thermostat is configured to be a non-programmable thermostat with Manual Changeover, the following screens will be available by pressing the MODE button.
  • Page 22 TOTALINE Operating Mode when the Thermostat Operating Mode when the Thermostat is Configured to be: is Configured to be: NON-PROGRAMMABLE WITH AUTO CHANGEOVER - If the thermostat is configured to be a non-programmable thermostat with Auto Changeover, the following screens will be available by...
  • Page 23 TOTALINE Operating Mode when the Thermostat Operating Mode when the Thermostat is Configured to be: is Configured to be: PROGRAMMABLE WITH MANUAL CHANGEOVER - If the thermostat is configured to be a programmable thermostat with Manual Changeover, the following screens will be available by pressing the MODE button.
  • Page 24 TOTALINE Operating Mode when the Thermostat Operating Mode when the Thermostat is Configured to be: is Configured to be: PROGRAMMABLE WITH AUTO CHANGEOVER - If the thermostat is configured to be a programmable thermostat with Auto Changeover, the following screens will be available by pressing the MODE button.
  • Page 25 TOTALINE Selecting Your Desired Temperature Selecting Your Desired Temperature (adjusting setpoints) (adjusting setpoints) AUTO OR PROGRAM MODE Pressing the UP or DOWN buttons in Auto or Program modes will adjust both the heat and cool set temperatures simultaneously. For more information on this see page 14.2.
  • Page 26 SECTION 5 Viewing the Temperature and Humidity Sensors Viewing the Temperature and Humidity Sensors TOTALINE Section 5 Contents: Viewing the Outside Temperature......5.2 Viewing the Indoor Humidity........5.3 Page 5.1...
  • Page 27 TOTALINE Viewing the Outside Temperature Viewing the Outside Temperature This requires an outside sensor (optional accessory) to be installed. To read the temperature from the Outside Sensor, press the OUTSIDE button. The display will then show the current outside temperature along with the High and Low temperatures for the day.
  • Page 28 TOTALINE Viewing the Indoor Humidity Viewing the Indoor Humidity 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 To view the indoor humidity...
  • Page 29: Programming The Daily Schedule

    SECTION 6 Programming the Daily Schedule Programming the Daily Schedule TOTALINE Section 6 Contents: Programming a Daily Schedule........6.2 Page 6.1...
  • Page 30 TOTALINE Programming a Daily Schedule Programming a Daily Schedule Press Press the PROGRAM button to enter time period programming. PROGRAM Use the Programming Worksheet on the back cover to help with this section. Select the day of week (Mo - Su)
  • Page 31 TOTALINE 8:00 Start Adjust the start time for Day. Press MODE 8:00 Adjust the cooling setpoint for Day. (35 - 99 ) Press MODE 8:00 Adjust the heating setpoint for Day. (35 - 99 ) Press MODE 6:00 Start Adjust the start time for Evening.
  • Page 32 TOTALINE 6:00 Adjust the heating setpoint for Evening. (35 - 99 ) Evening Press MODE I0:00 Start Adjust the start time for Night. Night Press MODE I0:00 Adjust the cooling setpoint for Night. (35 - 99 ) Night Press MODE...
  • Page 33 TOTALINE The copy command becomes available after programming the entire previous day. Select Yes to copy the previous day’s program to this day displayed. If No is selected: If Yes is selected: Selecting Yes, then pressing mode will copy the previous day’s program.
  • Page 34: Programming The Fan Operation

    SECTION 7 Programming the Fan Operation Programming the Fan Operation 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...
  • Page 35 TOTALINE Using the Fan Button Using the Fan Button When the fan is set for automatic operation it will energize any time there is a call for heating or cooling, otherwise the fan will remain off. Pressing the FAN button will energize the fan and display the FanOn icon on the thermostat display.
  • Page 36 TOTALINE Programming the Fan Programming the Fan This timer will start the fan at the top of each hour and 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.
  • Page 37 TOTALINE Setting the Fan-Off Time Delay Setting the Fan-Off Time Delay To increase the cooling efficiency of your unit, the thermostat may be programmed to continue running the fan after a call for cooling has been satisfied. This delay may be set for 30, 60, or 90 seconds. If the Fan Off Delay is set for zero seconds, the fan will not energize after a call for cooling has been satisfied.
  • Page 38: Thermostat Display Options

    SECTION 8 Thermostat Display Options Thermostat Display Options TOTALINE Section 8 Contents: 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...
  • Page 39 TOTALINE Turning On/Off the Backlight Turning On/Off the Backlight Press the MODE button. While holding MODE Note: Press the MODE the MODE, press the PROGRAM button momentarily to move through the button to enter Setup screens. PROGRAM setup screens. Press...
  • Page 40: Front Panel Buttons

    TOTALINE Locking/Unlocking the Keypad Locking/Unlocking the Keypad To prevent unauthorized use of the thermostat, the front panel buttons may be disabled. To disable, or ‘lock’ the keypad, press and hold the MODE button. While holding the MODE button, press the UP and DOWN buttons together. The icon will appear on the display, then release the buttons.
  • Page 41: Humidification

    SECTION 9 Humidification Humidification TOTALINE Section 9 Contents: Configuring a Thermostat Output Jumper for Humidity Operation........9.2 Adjusting the Humidification Setpoint........9.3 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.
  • Page 42 TOTALINE Setting a Thermostat Output Jumper Setting a Thermostat Output Jumper for Humidity Operation for Humidity Operation To operate one of the MISC outputs using humidity-based operation, 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.
  • Page 43 TOTALINE Adjusting the Humidification Setpoint Adjusting the Humidification Setpoint If your HVAC unit is equipped with a humidification system the thermostat will provide power to the appropriate terminal on the backplate of the thermostat when the humidity in the home falls below the setpoint you have chosen.
  • Page 44: Dehumidification

    SECTION 10 Dehumidification Dehumidification TOTALINE 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 Reheat Function........10.5 Using the DEHUM Terminal........10.6 Page 10.1...
  • Page 45: Configuring A Thermostat Output Jumper For Dehumidification Operation

    TOTALINE Configuring a Thermostat Output Jumper Configuring a Thermostat Output Jumper for Dehumidification Operation for Dehumidification Operation To operate one of the MISC outputs using dehumidification-based operation 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 pages.
  • Page 46: Adjusting The Dehumidification Setpoint

    TOTALINE Adjusting the Dehumidification Setpoint Adjusting the Dehumidification Setpoint If your HVAC unit is equipped with a dehumidification terminal the thermostat will provide power to the appropriate terminal on the backplate of the thermostat when the humidity in the home is above the setpoint you have chosen.
  • Page 47: Using Your Air Conditioner To Dehumidify

    TOTALINE Using Your Air Conditioner to Dehumidify Using Your Air Conditioner to Dehumidify If Cool to Dehumidify is ON the thermostat has the ability to initiate a cooling cycle for advanced dehumidification operation. When the thermostat detects the humidity percentage is above the setpoint for...
  • Page 48: Using The Reheat Function

    TOTALINE Using the Reheat Function Using the Reheat Function This feature allows the thermostat to turn on Electric Heating (W2) during Cool to Dehumidify to maintain room temperature until the dehumidification setpoint is reached. The cooling cycle will allow for the dehumidification of the air to occur while the Electric Heating will allow for a constant room temperature.
  • Page 49: Using The Dehum Terminal

    TOTALINE Using the Dehum Terminal Using the Dehum Terminal If you configure a MISC output jumper for DEHUM, it may be programmed to operate in one of two ways: 1) Normally Closed (NC): The thermostat will de-energize the DEHUM terminal to allow the fan to run in low speed when there is a call for 1st stage cooling and the room humidity is greater than the dehumidification setpoint.
  • Page 50: Viewing Equipment Run-Times

    SECTION 11 Viewing Equipment Run-Times Viewing Equipment Run-Times TOTALINE 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 Page 11.1...
  • Page 51: Viewing The Heat Run-Time

    TOTALINE Viewing the Heat Run-Time - Energy Watch Viewing the Heat Run-Time - Energy Watch This display will track the number of hours that your heating system has been operating (W1 terminal only). Press the FAN button to reset the counter.
  • Page 52: Viewing The Cool Run-Time

    TOTALINE Viewing the Cool Run-Time - Energy Watch Viewing the Cool Run-Time - Energy Watch This display will track the number of hours that your cooling system has been operating (Y1 terminal only). Press the FAN button to reset the counter.
  • Page 53: Run-Time

    TOTALINE Viewing the Humidification Run-Time Viewing the Humidification Run-Time After your humidification system has been operating for the number of days set in step #15 below, the Service Humidify icon will appear. This counter keeps track of the number of days since the Service Humidify icon was reset.
  • Page 54: Viewing The Uv Light Run-Time

    TOTALINE Viewing the UV Light Run-Time Viewing the UV Light Run-Time After the UV light has been operating for the number of days set in step #16 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.
  • Page 55: Electric Heat And Heat Pump Operation

    SECTION 12 Electric Heat and Heat Pump Operation Electric Heat and Heat Pump Operation TOTALINE 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 Page 12.1...
  • Page 56 TOTALINE Viewing the Heat Pump and Viewing the Heat Pump and Reversing Valve Jumper Settings Reversing Valve Jumper Settings Steps 17 and 18 are ‘Read Only’ and may only be set with the jumpers on the circuit board of the thermostat.
  • Page 57 TOTALINE Viewing the Electric Heat Jumper Setting Viewing the Electric Heat Jumper Setting Placing the jumper 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.
  • Page 58 TOTALINE Using Emergency Heat Using Emergency Heat ENTER EMERGENCY HEAT: Only available if you have a Heat Pump installed. To initiate the Emergency Heat feature, press the FAN button. While holding the FAN button press UP button. The Cool setpoint display will read ‘EH’ (emergency heat).
  • Page 59: Dual Fuel Operation

    SECTION 13 Dual Fuel Operation Dual Fuel Operation TOTALINE Programming the Thermostat to Programming the Thermostat to Operate a Dual Fuel System Operate a Dual Fuel System DUAL FUEL vs. ADVANCED HEAT PUMP - Advanced Setup step #20 (next page) allows this thermostat to be configured to control two heat sources: Dual Fuel or, to have maximum flexibility in controlling multi-stage heat pumps, Advanced Heat Pump.
  • Page 60 TOTALINE Programming the Thermostat to Programming the Thermostat to Operate a Dual Fuel System Operate a Dual Fuel System Press the MODE button. While holding MODE Note: Press the MODE the MODE, press the PROGRAM button momentarily button to enter Setup screens.
  • Page 61: Timers And Deadbands

    SECTION 14 Timers and Deadbands Timers and Deadbands TOTALINE Section 14 Contents: Adjusting the 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 Page 14.1...
  • Page 62: Adjusting The Heat/Cool Differential

    TOTALINE Adjusting the Heat/Cool Differential Adjusting the Heat/Cool Differential The Heat and Cool setpoints will not be allowed to come any closer to each other than the value in this step. This minimum difference is enforced during Auto Changeover operation.
  • Page 63: Adjusting The Cycles Per Hour

    TOTALINE Adjusting the Cycles Per Hour Adjusting the Cycles Per Hour The Cycles Per Hour setting may limit the number of times per hour your HVAC unit may energize. For example, at a setting of 6 cycles per hour the HVAC unit will only be allowed to energize once every 10 minutes.
  • Page 64: Adjusting The Deadband

    TOTALINE Adjusting the Deadband Adjusting the Deadband MULTI-STAGE OPERATION - Controls up to three Heat and two Cool stages. The 2nd Stage of heat or cool is turned on when: (A) The 1st Stage has been on for the time required (step #27, page 14.6).
  • Page 65 TOTALINE Adjusting the Deadband Adjusting the Deadband For more detailed information, please see the explanation on the previous page. Press the MODE button. While holding MODE Note: Press the MODE the MODE, press the PROGRAM button momentarily button to enter Setup screens.
  • Page 66: Adjusting The Minutes Of Run-Time Before The Next Stage

    TOTALINE Adjusting the Minutes of Run-Time Adjusting the Minutes of Run-Time Before the Next Stage Before the Next Stage For more detailed information, please see the explanation on page 14.4. Press the MODE button. While holding MODE Note: Press the...
  • Page 67: Selecting 2Nd Stage Turn

    TOTALINE Selecting Selecting nd Stage Turn nd Stage Turn Off Temperature Off Temperature If ON is selected, the second stage of cooling or heating will remain energized until the thermostat reaches the setpoint on the thermostat display. If OFF is selected, the second stage of cooling or heating will turn off...
  • Page 68: Using The Programmable Output

    SECTION 15 Using the Programmable Output Using the Programmable Output TOTALINE Section 15 Contents: Configuring a Thermostat Output Jumper 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...
  • Page 69: Output Operation

    TOTALINE Setting a Thermostat Jumper for Setting a Thermostat Jumper for Programmable Output Operation Programmable Output Operation To control one of the MISC outputs using time, temperature, or Internet/phone based operation, place the MISC1, or MISC2, or MISC3 jumper on the terminal labeled PROG (see diagram below).
  • Page 70: Programmable Output

    TOTALINE Time-Based Control of the Time-Based Control of the Programmable Output Programmable Output To operate one of the MISC outputs using time-based operation, set the Advanced Setup step #30 (below) for Time. This terminal is especially useful for devices that require a start and stop time.
  • Page 71 TOTALINE Time-Based Control of the Time-Based Control of the Programmable Output Programmable Output Setup Programmable Output Polarity: NO = Normally Open to operate between the start and stop times in steps 34 and 35. NC = Normally Closed to turn off...
  • Page 72 TOTALINE Time-Based Control of the Time-Based Control of the Programmable Output Programmable Output 9:00 Setup Stop Adjust the programmable output stop time for Monday Press If Step 32 is set for 1-Day, then Day of the Week and Copy functions do not appear or apply.
  • Page 73: Temperature-Based Control Of The Programmable Output

    TOTALINE Temperature-Based Control of the Temperature-Based Control of the Programmable Output Programmable Output To operate one of the MISC outputs using temperature-based operation, program Advanced Setup step #30 (below) for temperature. This terminal is especially useful for devices that require a specific temperature before operating.
  • Page 74: Internet/Phone Control Of The Programmable Output

    TOTALINE Internet/Phone Control of the Internet/Phone Control of the Programmable Output Programmable Output To operate one of the MISC outputs using Internet/phone-based operation, program Advanced Setup step #30 for Aux (below) This terminal is especially useful for devices that can be energized via the Internet.
  • Page 75: Programming Remote Sensor Operation

    SECTION 16 Programming Remote Sensor Operation Programming Remote Sensor Operation TOTALINE Section 16 Contents: Installing 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 Page 16.1...
  • Page 76 TOTALINE Installing the Remote Sensors Installing the Remote Sensors Up to two wired remote sensors may be installed on the thermostat to read outside temp (RS2) and/or control the temperature in another room (RS1). The designators RS1 and RS2 refer to the terminal locations on the thermostat’s backplate.
  • Page 77 TOTALINE TOTALINE Controlling or Reading the Controlling or Reading the Remote Temperature (RS Remote Temperature (RS ) The thermostat may be programmed to only READ the remote sensor, or to CONTROL to the remote sensor. Advanced Setup step #37, below.
  • Page 78 TOTALINE Averaging the Remote Sensor (RS Averaging the Remote Sensor (RS ) with ) with the Thermostat Sensor the Thermostat Sensor If step #37 is set to control to the remote sensor, the thermostat will ignore the reading of its internal temperature sensor and only display the temperature reading from the remote sensor.
  • Page 79 SECTION 17 Programming the Dry Contact Programming the Dry Contact TOTALINE Section 17 Contents: Dry Contact Operation.... 17.2 Dry Contact Polarity....17.2 Dry Contact Programming..17.3 Page 17.1...
  • Page 80: Dry Contact Operation

    TOTALINE Dry Contact Operation Dry Contact Operation If the dry contact is going to be used, select YES in step #39. If the dry contact is not going to be used, select NO in step #39 below. DRY CONTACT POLARITY - The terminals may be set to be Normally Open (NO) or Normally Closed (NC) in step #40.
  • Page 81 TOTALINE Dry Contact Programming Dry Contact Programming VACATION MODE OR SERVICE THE CONDENSATE DRAIN PAN - If Vacation is selected in step #41 (below), when the dry contact is energized and the thermostat will be forced into Vacation mode (Section 20).
  • Page 82: Energy Save Operation

    SECTION 18 Energy Save Operation Energy Save Operation TOTALINE How to Use the Energy Save Feature How to Use the Energy Save Feature If the thermostat is configured to be programmable (Section 4), and Energy Save has been selected in step #42 (below), the room will attempt to reach the selected comfort temperature at the exact time programmed into the thermostat.
  • Page 83: Programming The Run-Time Alarms

    SECTION 19 Programming Run-Time Alarms Programming Run-Time Alarms TOTALINE Section 19 Contents: Setting and Resetting the Service Filter (Fan Run-Time) Alarm........19.2 Setting and Resetting the UV Light Run-Time Alarm.....19.3 Setting and Resetting the Humidify Run-Time Alarm..19.4 Page 19.1...
  • Page 84 TOTALINE How to Set and Reset the Service Filter How to Set and Reset the Service Filter (Fan Run-Time) Alarm (Fan Run-Time) Alarm This counter keeps track of the number of hours of fan run-time whether the fan is energized in the Heating or Cooling modes, or in stand alone fan operation.
  • Page 85 TOTALINE How to Set and Reset the UV Light How to Set and Reset the UV Light Run-Time Alarm Run-Time Alarm This counter keeps track of the number of days since the UV Light counter has been reset. The UV Light icon will appear after the number of days has been achieved, as shown in step #45 (below).
  • Page 86 TOTALINE How to Set and Reset the Humidifier How to Set and Reset the Humidifier Run-Time Alarm Run-Time Alarm This counter keeps track of the number of days since the Service Humidify icon was last reset; this icon will appear after the number of days set in step #46 (below) has elapsed.
  • Page 87: Programming The Vacation Mode

    SECTION 20 Programming Vacation Mode Programming Vacation Mode TOTALINE When the thermostat is programmed for Vacation mode, it will take effect at 12:00 am of the next day. The thermostat will control to the cooling and heating setpoints set in Vacation programming steps 2 and 3.
  • Page 88 TOTALINE Programming Vacation Mode Programming Vacation Mode (continued) (continued) VACATION DISPLAY - When the thermostat is placed into the Vacation mode, the thermostat will display the screen shown below. 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).
  • Page 89: Configuring The Misc Outputs

    SECTION 21 Configuring the MISC Outputs Configuring the MISC Outputs TOTALINE Section 21 Contents: Configuring the Jumpers..21.2 Explanation of Jumper Settings........21.3 Page 21.1...
  • Page 90 TOTALINE Configuring the Jumpers Configuring the Jumpers For additional flexibility, your thermostat has three configurable outputs. These outputs are designed to have different functions 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.
  • Page 91 TOTALINE Explanation of Jumper Settings Explanation of Jumper Settings W3 JUMPER SETTING If the jumper for MISC1, MISC2, or MISC3 is set to W3, the corresponding MISC screw terminal on the backplate will control a third stage of heat. W3 MULTI-STAGE OPERATION EXPLAINED - SECTION 14...
  • Page 92 TOTALINE Explanation of Jumper Settings Explanation of Jumper Settings (continued) (continued) HUM JUMPER SETTING If the jumper for MISC1, MISC2, or MISC3 is set to HUM, the corresponding MISC screw terminal on the backplate will control a humidification system. HUMIDIFICATION OPERATION - SECTION 9...
  • Page 93 TOTALINE Explanation of Jumper Settings Explanation of Jumper Settings (continued) (continued) Y2 JUMPER SETTING If the jumper for MISC1 is set to Y2 the MISC1 screw terminal on the backplate will control a second stage of cooling. Y2 OPERATION - SECTION 14 Control up to two Cool stages.
  • Page 94: Factory Defaults And Calibration

    SECTION 22 Factory Defaults, Calibration, and Sensors Factory Defaults, Calibration, and Sensors TOTALINE Section 22 Contents: Resetting the Thermostat to the Factory Default Settings..22.2 Calibrating the Temperature and Humidity Sensors...22.3 Page 22.1...
  • Page 95 TOTALINE Resetting the Thermostat to the Resetting the Thermostat to the Factory Default Settings Factory Default Settings (for default values see page 24.1) (for default values see page 24.1) If, for any reason, you desire to return all the stored settings back to the factory default settings, follow the instructions below.
  • Page 96 TOTALINE Calibrating the Temperature and Humidity Sensors Calibrating the Temperature and Humidity Sensors Under normal circumstances it will not be necessary to adjust the calibration of the temperature and humidity sensors. If calibration is required, please contact a trained HVAC technician to correctly perform the following procedure.
  • Page 97: Accessories

    SECTION 23 Accessories Accessories TOTALINE ACCESSORY PORT - The RJ11 Jack is used to connect the P374-1900 to the IR Receiver (P374-0431) or the EZ Programmer (P374-0432) for easy downloading or uploading of thermostat information. The Accessory Port is located on the bottom of the thermostat.
  • Page 98: Advanced Setup Table

    SECTION 24 Advanced Setup Table Advanced Setup Table TOTALINE Description Range Description Range Step# Step# Programmable Yes/No Minutes Between 14.6 0-60min Thermostat Stage 1 & 2 Auto Changeover Yes/No Minutes Between 14.6 0-60min Stage 2 & 3 Thermostat Programmable Fan...
  • Page 99 SECTION 25 Index Index TOTALINE front panel, 1.2 24.1 humidity, 1.2, 5.3, 2nd stage 9.3, 10.3 deadband, see mode, 1.2, 2.3, 4.2, Deadband 8.3, 22.2 dehum, 10.6 Alarms minutes of run- see Run-Time outside, 1.2, 5.2 Auto program, 1.2, 4.2, time, 14.4, 14.6...
  • Page 100 SECTION 25 Index Index TOTALINE polarity, 17.2, 24.1 service pan, 17.3 vacation, 17.3, 24.1 Dual Fuel F, 8.2, 24.1 icon, 1.4 changeover balance Factory Defaults programming, 6.3 point, 13.1-13.2 caution, ii 24.1 settings, 22.2 setting, 2.2, 3.2 Deadband control two heat resetting, 22.2...
  • Page 101 SECTION 25 Index Index TOTALINE mode, 2.3 program, see Program run-time, see Run- Heat Time Jumpers setpoint, 2.3-2.4, 1st stage DEHUM, 21.4 deadband, see 6.2-6.4 ELEC, 12.3 Deadband Heat Pump electric heat, 12.3, advanced vs. dual emergency heat, 24.1 12.4 fuel, 13.1...
  • Page 102 SECTION 25 Index Index TOTALINE temperature, 5.2 10.6 mode, 1.3, 4.6-4.7 On icon, 2.3 worksheet, back page Programmable Fan 7.3, 24.1 Programmable Output Manual O Reversing Valve Internet/phone control, 15.7 changeover, 4.4, 4.6 see Reversing Valve cool, 4.3 Off Mode, 1.3, 2.3 jumper setting, 15.2,...
  • Page 103 SECTION 25 Index Index TOTALINE see Outside read to, 16.3 viewing, 5.2, 22.3 Reset thermostat settings, Schedule Terminal, MISC, see see Factory Defaults Daily, see Program MISC run-time 2nd stage turn off Thermostat Sensor fan/filter, 19.2, temperature, averaging, 16.4, 24.1 24.1...
  • Page 104 SECTION 25 Index Index TOTALINE Warranty, 26.1 Web, 15.7 Vacation, button, see Buttons mode, 20.1-20.2 programming, 20.1- 20.2 setpoints, 20.1 Page 25.6...
  • Page 105 SECTION 26 Warranty Warranty TOTALINE One-Year Warranty - This Product is warranted to be free from defects in material and workmanship. If it appears within one 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...
  • Page 106 Programming Worksheet see Section 6 DAY PERIOD START TIME COOL HEAT Morning Evening Night Morning Copy Mon Evening Night Morning Copy Tue Evening Night Morning Copy Wed Evening Night Morning Copy Thu Evening Night Morning Copy Fri Evening Night Morning Copy Sat Evening Night...

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P374-1900

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