TOTALINE P374-2900 Owner's Manual
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TOTALINE P374-2900 Owner's Manual

7-day programmable digital thermostat
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Enlarged version
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
OPTIONAL
OPTIONAL
Accepts the
Accepts the
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
Commercial Systems & Services
COMMERCIAL
COMMERCIAL
THERMOSTAT
THERMOSTAT
P/N P/N P374-
P374- 2900
2900
HEAT
HEAT
PUMP
PUMP
7-DAY
PROGRAMMABLE
DIGITAL
THERMOSTAT
Set Point Limiting
Accepts EZ Programmer
Economizer Control
Preoccupancy Fan Purge
Remote Averaging
Programmable Output
Light Activation Equipped
Accepts Optional Humidity Module:
Controls Humidification,
Dehumidification and Reheat
Accepts Optional IR Remote Control
Optional Internet / Phone Control
Accessory
HUMIDITY MODULE
HUMIDITY MODULE
Carrier Corporation 08/05

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  • Page 1 Accepts the HUMIDITY MODULE HUMIDITY MODULE 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 Commercial Systems & Services Carrier Corporation 08/05...
  • Page 2 (1) this device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Thermostat P374-2900 Tested to Comply with FCC Standards FOR HOME OR OFFICE USE...
  • 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 Quick Start Getting to Know Your Thermostat 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: Quick Start

    SECTION 1 Quick Start Quick Start TOTALINE Section 1 Contents: Setting the Clock and Day...1.2 Selecting the Heat or Cool Mode..........1.3 Selecting Your Desired Temperature........1.4 Using the Fan Button....1.4 Note: Following the instructions in this section will allow you to operate your thermostat using the factory default settings.
  • Page 8 TOTALINE MODE HUMIDITY SET CLOCK During Setup & Programming: Press the MODE and HUMIDITY buttons Pressing the UP or DOWN at the same time buttons will modify the flashing selection. Setting the Clock Setting the Clock I2:00 Setup To adjust the...
  • Page 9 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 10 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 11: Getting To Know Your Thermostat

    SECTION 2 Getting to Know Your Thermostat Getting to Know Your Thermostat TOTALINE Section 2 Contents: Front Panel Buttons.....2.2 Display Features......2.3 Page 2.1...
  • Page 12 TOTALINE Front Panel Front Panel Warmer Button Backlit LCD Display (glows red) sometimes referred to as the UP button I2:00 AUTO TOTALINE Cooler Button sometimes refer- (glows blue) red to as the DOWN button Override Heat or Cool Demand Indicator...
  • Page 13 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Remote OFFON Unoccupied Override FanOn Mode Indicators - Section 4 Selects the operational mode of the equipment. HEAT - Indicates the heating mode.
  • Page 14 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Remote OFFON Unoccupied Override FanOn Occupied & Unoccupied icons - Section 6 Indicates the program number: Occupied 1,2,3,or Unoccupied. Override icon - Section 6 Indicates the program is currently being overridden for up to 4 hours.
  • Page 15 TOTALINE Display Features Display Features I8:88 Program On Setup StartStop SuMoTuWeThFrSa DeHumidify Service Filter Pan UV Light Outside AUTO Remote OFFON Unoccupied Override FanOn UV Light icon - Section 11/19 Appears when the UV bulb should be serviced under normal conditions.

  • 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 MODE HUMIDITY SET CLOCK During Setup & Programming: Press the MODE and Pressing the UP or DOWN HUMIDITY buttons at the same time buttons will modify the flashing selection. Setting the Clock Setting the Clock I2:00 Setup To adjust the...

  • Page 18: Basic Operation

    SECTION 4 Basic Operation Basic Operation TOTALINE Section 4 Contents: Programming for Auto or Program Operation....4.2 Selecting the Proper Operating Mode......4.3 Selecting Your Desired Temperature.......4.7 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 13.2.
  • 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 Requires an outside sensor (optional accessory) to be installed. To read the temperature from the Outside Sensor, press the PROGRAM and HOLIDAY buttons. 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 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).

  • 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 Overriding the Daily Schedule........6.6 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 maximum # of occupied periods to be used on any one day.
  • Page 31 TOTALINE Adjust the heating set- point for Unoccupied periods. Unoccupied (OF, 35 - 99 ) Press MODE Select the day for Occupied 1. occupied (Mo - Su) Press MODE 7:00 Start Adjust the start time for Occupied 1. occupied Press...
  • Page 32 TOTALINE The copy command becomes available after the maximum # of occupied periods are programmed in a day. This example uses only one occupied period. Select Yes to copy the previous day’s program to this day. If No is selected:...
  • Page 33 TOTALINE Select Occupied 1 to run on this day (On), or not to run on this day (Off). occupied Select Yes to copy the previous day’s program to this day. If No is selected: If Yes is selected: Selecting Yes, then pressing mode will copy the Press previous day’s program.
  • Page 34 TOTALINE Overriding the Daily Schedule Overriding the Daily Schedule The OVERRIDE button may be used to interrupt the normal time schedule programming of the thermostat. Override may only be used when the thermostat is running the time schedule, in Program On mode.

  • Page 35: Programming The Fan Operation

    SECTION 7 Programming the Fan Operation Programming the Fan Operation TOTALINE Section 7 Contents: Using the Fan Button....7.2 Setting the Fan-Off Time Delay..........7.3 Fan Purge Operation....7.4 Page 7.1...
  • Page 36 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 37 TOTALINE Setting the Fan-Off Time Delay Setting the Fan-Off Time Delay To increase 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 TOTALINE Fan Purge Operation Fan Purge Operation When this feature is activated, the fan will turn on during an unoccupied period at a preset amount of time prior to Occupied 1. This preoccupancy fan purge timer may be set from zero to three hours.

  • Page 39: 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 Programming a Security Level..........8.4 Page 8.1...

  • Page 40: Turning On/Off The Backlight

    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 button to enter Setup screens. PROGRAM to move through the setup screens. Press...

  • Page 41: Locking/Unlocking The Keypad

    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 42: Programming A Security Level

    TOTALINE Programming a Security Level Programming a Security Level When a security level has been programmed, the thermostat will allow limited adjustment to the setpoints (steps # 8 and 9) and, in security levels 2 and 3, the thermostat will be forced into the Program On mode.

  • Page 43: Humidification

    SECTION 9 Humidification Humidification TOTALINE Section 9 Contents: Installing the Humidity Module........9.2 Setting a Thermostat Jumper for Humidity Operation....9.3 Adjusting the Humidification Setpoint........9.4 NOTE: The humidification functions described in this section will only be available if a Humidity Module has been properly installed.
  • Page 44 HUM as shown in Figure 1 below. This will allow you to access the humidification and dehumidification setup steps. For proper humidity operation, this jumper must be set for HUM. Figure 1 Back of P374-2900 ELEC PROG NO HUM DEHUM...
  • Page 45 TOTALINE Setting a Thermostat Jumper for Setting a Thermostat Jumper for Humidity Operation 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 46 TOTALINE Adjusting the Humidification Setpoint Adjusting the Humidification Setpoint If your HVAC unit is equipped with a humidification system and the Humidity Module has been installed, 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 47: 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 NOTE: The dehumidification functions described in this section will only be available if a Humidity Module has been properly installed.

  • Page 48: Operation

    TOTALINE Setting a Thermostat Jumper for Setting a Thermostat Jumper for Dehumidification Operation Dehumidification Operation To operate one of 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).

  • Page 49: Adjusting The Dehumidification Setpoint

    TOTALINE Adjusting the Dehumidification Setpoint Adjusting the Dehumidification Setpoint If your HVAC unit is equipped with a dehumidification terminal and the Humidity Module has been installed, 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 50: 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 and the Humidity Module is installed, the thermostat has the ability to initiate a cooling cycle for advanced dehumidification operation. When the thermostat detects the humidity...

  • Page 51: 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 52: 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 53: 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 Override Run-Time.........11.4 Viewing the Humidifier Run-Time........ 11.5 Viewing the UV Light Run-Time.........11.6 Page 11.1...

  • Page 54: 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 55: 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 56: Viewing The Override Run-Time

    TOTALINE Viewing the Override Operation Run-Time Viewing the Override Operation Run-Time This display will track the number of hours that your thermostat has been operating in the Override mode (see page 6.6). Press the FAN button to reset the counter.

  • Page 57: 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 #17 below, the Service Humidify icon will appear. This counter keeps track of the number of days since the Service Humidify icon was reset.

  • Page 58: 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 #18 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 59: 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 60 TOTALINE Viewing the Heat Pump and Viewing the Heat Pump and Reversing Valve Jumper Settings Reversing Valve Jumper Settings Steps 19 and 20 are ‘Read Only’ and may only be set with the jumpers on the circuit board of the thermostat.
  • Page 61 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 62 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 63: Timers And Deadbands

    SECTION 13 Timers and Deadbands Timers and Deadbands TOTALINE Section 13 Contents: Adjusting the 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 Page 13.1...

  • Page 64: 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. Press the MODE button. While holding...

  • Page 65: 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 66: 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 13.6).
  • Page 67 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 68: 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 13.4. Press the MODE button. While holding MODE Note: Press the...

  • Page 69: 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 70: Using The Programmable Output

    SECTION 14 Using the Programmable Output Using the Programmable Output TOTALINE Section 14 Contents: Configuring a Thermostat Output Jumper for Programmable Output Operation....14.2 Time-Based Control of the Programmable Output...14.3 Temperature-Based Control of the Programmable Output..14.6 Internet/Phone Control of the Programmable Output...14.7...

  • Page 71: 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 72: 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 73 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 74 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 75: 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 76: 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 77: Programming Remote Sensor Operation

    SECTION 15 Programming Remote Sensor Operation Programming Remote Sensor Operation TOTALINE Section 15 Contents: Installing the Remote Sensors........15.2 Controlling or Reading the Remote Temperature (RS1)...15.3 Averaging the Remote Sensor (RS1) with the Thermostat Sensor........15.4 Page 15.1...
  • Page 78 TOTALINE Installing the Remote Sensors Installing the Remote Sensors Up to eight wired remote sensors may be installed on the thermostat (RS1) to control the temperature in other rooms. One wired or wireless remote sensor may be installed to read the outside temperature (RS2).
  • Page 79 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. Refer to advanced Setup step #37, below.
  • Page 80 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 81: Dry Contact Operation

    SECTION 16 Programming the Dry Contact Programming the Dry Contact TOTALINE Section 16 Contents: Dry Contact Operation.... 16.2 Dry Contact Polarity....16.2 Dry Contact Programming..16.3 Random Start Operation..16.4 Page 16.1...

  • Page 82: 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 83 TOTALINE Dry Contact Programming Dry Contact Programming OCCUPIED 1 OR SERVICE THE CONDENSATE DRAIN PAN - If Occupied 1 is selected in step #41 (below), when the dry contact is energized the thermostat will be forced into Occupied 1 setpoints and the Occupied 1 icon will blink (Section 6).
  • Page 84 TOTALINE Random Start Operation Random Start Operation This feature causes a 2 to 30 second delay before energizing the thermostat outputs after any of these events: Loss of Power to the thermostat: When power to the thermostat is interrupted and then restored, Random Start will lockout the outputs of the thermostat for a random amount of time.

  • Page 85: Light Activated Operation

    SECTION 17 Light Activated Operation Light Activated Operation TOTALINE Section 17 Contents: Setting up the Thermostat for Light Activated Operation........17.2 Adjusting the Light Sensor..17.3 Page 17.1...
  • Page 86 Press the PROGRAM button to leave the Setup screens. If no buttons are pressed, the display will leave the setup screens after 30 seconds. The Light Sensor is located on the top of the thermostat. P374-2900 Light Sensor Page 17.2...
  • Page 87 TOTALINE Adjusting the Light Sensor Adjusting the Light Sensor The light sensor can be adjusted for variable degrees of sensitivity. The sensitivity adjustment screw is located on the side of the thermostat, as illustrated below. Turning the screw clockwise increases the sensitivity of the sensor to light.

  • Page 88: Energy Save Operation

    8am in an effort to bring the temperature to its correct setting at exactly 8am. The P374-2900 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 business, and your heating and cooling system.

  • Page 89: 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 90 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 91 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 #46 (below).
  • Page 92 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 #47 (below) has elapsed.

  • Page 93: Programming The Holiday Mode

    SECTION 20 Programming Holiday Mode Programming Holiday Mode TOTALINE When the thermostat is programmed for a Holiday mode, it will take effect at 12:00 am of the next day. In order for the Holiday mode to take effect the thermostat must be in the Program On mode.
  • Page 94 TOTALINE Programming Holiday Mode Programming Holiday Mode (continued) (continued) HOLIDAY DISPLAY - When the thermostat is placed into the Holiday mode, the thermostat will display the screen shown below. To return the thermostat to normal operation from Holiday mode, press the HOLIDAY button and adjust the number of days in step #1 to zero (see previous page).

  • Page 95: 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 96 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 97 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 98 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 99 TOTALINE Explanation of Jumper Settings Explanation of Jumper Settings (continued) (continued) ECON JUMPER SETTING If the jumper for MISC1, MISC2, or MISC3 is set to ECON, the corresponding MISC screw terminal on the backplate will be connected to an economizer.

  • Page 100: Factory Defaults, Calibration, And Sensors

    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 Viewing the Remote Temperature Sensors....22.4 Page 22.1...
  • Page 101 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 102 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 103 TOTALINE Viewing the Remote Temperature Sensors Viewing the Remote Temperature Sensors Because e ach sensor has a “hard-coded” address programmed internally, the thermostat “scans” for sensors from lower addresses to higher addresses. Therefore, in order to determine which sensor corresponds to the number on the setup screen you will need to disconnect each sensor from the group.

  • Page 104: Accessories

    Accessories TOTALINE ACCESSORY PORT - The RJ11 Jack is used to connect the P374-2900 to the IR Receiver (P374-0431) for wireless communication 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 105: Advanced Setup Table

    SECTION 24 Advanced Setup Table Advanced Setup Table TOTALINE Step# Description Range Step# Description Range Df* Yes/No Minutes Between Programmable 13.6 0-60min Thermostat Stage 1 & 2 Yes/No Minutes Between 13.6 0-60min Auto-Changeover Thermostat Stage 2 & 3 Fan Off Delay...
  • Page 106 SECTION 25 Index Index TOTALINE humidity, 2.2, 5.3, dehum, 10.6 9.4, 10.4 minutes of run- Holiday, 2.2, 5.2, time, 13.4, 13.6 15.3, 20.1 21.5, 24.1 mode, 1.3, 2.2, 4.2, turn off Alarms see Run-Time 8.3, 22.2 temperature, outside, 2.2, 5.2 13.7, 24.1...
  • Page 107 SECTION 25 SECTION 25 Index Index Index Index TOTALINE operation, 16.2, resetting, 22.2 24.1 Fahrenheit, 8.2 polarity, 16.2, 24.1 service pan, 16.3 button function, see random start, 16.4 Buttons display, 2.4 off time delay, 7.3, 24.1 setting, 1.2, 3.2 Deadband...
  • Page 108 SECTION 25 Index Index TOTALINE Deadband 12.4 IR Remote Control, emergency heat, jumper setting, 12.2 23.1 12.4 minutes of run- icon, 2.5, 5.2 time, 13.4, 13.6, security setpoint, 8.4 24.1 temperature, 5.2 2nd stage Holiday deadband, see button, see Buttons...
  • Page 109 SECTION 25 SECTION 25 Index Index Index Index TOTALINE Light activated, 17.2-17.3, programming 24.1 worksheet, back random start, 16.4 page random start, 16.4 sensor, 17.2 Non-Programmable adjustment, 17.3 Thermostat, 4.2, Off Mode, 1.3, 2.3 Locked Indication Outdoor, 4.4-4.5 see Keypad Lockout...
  • Page 110 SECTION 25 Index Index TOTALINE Program, averaging, 15.4 cool, 11.3, 24.1 copy, 6.4-6.5 calibrate, 22.3 heat, 11.2, 24.1 daily schedule, 6.2-6.4 Control to, 15.3- Humidification, mode, 1.3, 4.4-4.8 15.4, 22.1 11.5, 24.1 degree icon blink, override, 11.4, on at all times, 8.4 On icon, 2.3...
  • Page 111 SECTION 25 SECTION 25 Index Index Index Index TOTALINE 10.5-10.6 heat, see Heat holiday, 20.1 humidification, 9.4 occupied, 6.2 Unoccupied programmable output, icon, 2.3 14.6 operation, 6.5 security, 8.4 override, see unoccupied, 6.2-6.3 Override Setup Icon, 2.4 setpoint, 6.2-6.3 Simplest Operation, UV Light 4.2-4.3...
  • Page 112 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 113 Programming Worksheet see Section 6 DAY PERIOD START TIME COOL HEAT Unoccupied Occupied 1 Occupied 2 Occupied 3 Unoccupied Copy Mon Occupied 1 Occupied 2 Occupied 3 Unoccupied Copy Tue Occupied 1 Occupied 2 Occupied 3 Unoccupied Copy Wed Occupied 1 Occupied 2 Occupied 3 Unoccupied...

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