TOTALINE P374-1 900 Installation Instructions Manual

7-day programmable digital thermostat

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Owner's manual (106 pages)

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INSTALLATION

INSTRUCTIONS

HEAT

COOL

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

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

THERMOSTAT

P/N P/N P374-

P374- 1900

1900

HEAT

PUMP

DUAL

FUEL CAPABLE

7-DAY

PROGRAMMABLE

DIGITAL

THERMOSTAT

with

HUMIDITY

CONTROL

Accepts Optional Humidity 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

Table of Contents

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 4: Table Of Contents
Table of Contents Table of Contents TOTALINE Preparation Remove & Replace the Old Thermostat Configuring the MISC Outputs Wire Connections Wiring Diagrams Test Operation Calibrating the Thermostat Sensors TroubleShooting Page...
Page 5: Preparation
SECTION 1 Preparation Preparation TOTALINE Proper installation of the thermostat will be accomplished by following these step by step instructions. If you are unsure about any of these steps, call a qualified technician for assistance. Assemble tools Flat Blade Wire cutter Screwdriver &...
Page 6: Remove & Replace The Old Thermostat
SECTION 2 Remove & Replace the Old Thermostat Remove & Replace the Old Thermostat TOTALINE Remove the cover of the old thermostat. If it does not come off easily check for screws. Loosen the screws holding the thermostat base or subbase to the wall, and lift away.
Page 7: Configuring The Misc Outputs
SECTION 3 Configuring the MISC Outputs Configuring the MISC Outputs TOTALINE Section 3 Contents: Configuring the Jumpers..3.2 Explanation of Jumper Settings........3.3 Page 3.1...
Page 8 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 9 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 of the Owner’s...
Page 10 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 of the Owner’s Manual...
Page 11 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 of the Owner’s Manual Control up to two Cool stages.
Page 12: Wire Connections
SECTION 4 Wire Connections Wire Connections TOTALINE If the terminal designations on your old thermostat do not match those on the new thermostat, refer to the chart below, or the wiring diagrams that follow. Wire from the Install on the...
Page 13 SECTION 5 Sample Wiring Diagrams Sample Wiring Diagrams TOTALINE Section 5 Contents: HVAC Equipment Wiring....5.2 MISC1, MISC2, and MISC3 Wiring........5.6 Remote Sensor and CK1-CK2 wiring for Time Clock....5.8 Page 5.1...
Page 14 TOTALINE 6 Wire, 1 Stage Cooling, 1 Stage Heat Residential & Commercial 1 Stage Cooling, Commercial Heat Pump 1 Stage Cooling with 1st stage Gas Heat with 2 Stage Heat W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC 6 Conductor 18 gauge...
Page 15 TOTALINE 6 Wire, 1 Stage Cooling, 1 Stage Heat Residential & Commercial 1 Stage Cooling, with 1st stage Electric Heat W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC 6 Conductor 18 gauge ELEC unshielded cable from the PROG DEHUM thermostat to the equipment.
Page 16 TOTALINE 6 Wire, 1 Stage Cooling, 2 Stage Heat Residential Heat Pump with O Reversing Valve 1 Stage Cooling, with 2 stage Heat W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC 6 Conductor 18 gauge ELEC unshielded cable from the...
Page 17 TOTALINE 6 Wire, 1 Stage Cooling, 2 Stage Heat Residential Heat Pump with b Reversing Valve 1 Stage Cooling, with 2 stage Heat W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC 6 Conductor 18 gauge ELEC unshielded cable from the...
Page 18 TOTALINE Adding a 2nd Stage of Cooling (MISC1), Sprinkler System (MISC2), and 3rd Stage of Heating (MISC3) W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC PROG PROG DEHUM (MISC1 MISC3 MISC2 MISC1 ONLY) MISC1 MISC2 MISC3 DEHUM RS+5 CKGND INSTALL HUMIDITY...
Page 19 TOTALINE Adding a Humidification System (MISC1) and Dehumidification System (MISC2) W1/O/B MISC1 MISC3 MISC2 RS+5 CKGND RSGND ELEC PROG PROG DEHUM (MISC1 MISC3 MISC2 MISC1 ONLY) MISC1 MISC2 DEHUM MISC3 RS+5 CKGND INSTALL HUMIDITY MODULE WITH SENSING RSGND ELEMENT OUTWARD...
Page 20 TOTALINE Wired Remote Sensor and Time Clock W1/O/B MISC1 2 conductor 18 gauge unshielded cable from MISC3 MISC2 the thermostat to the RS+5 remote sensor. CKGND RSGND RS-GND Optional Remote RS+V Sensor DRY CONTACT SWITCH - The terminals are ‘normally open’ (or may be programmed for normally closed operation, see page 16.2 of the Owner’s Manual).
Page 21: Test Operation
SECTION 6 Test Operation Test Operation TOTALINE Turn the power on to the Heating/Air Conditioning system. Press the MODE button repeatedly until the HEAT icon appears on the display. Press the UP or DOWN buttons until the set temperature is 10 degrees above room temperature.
Page 22: Calibrating The Thermostat Sensors
SECTION 7 Calibrating the Thermostat Sensors Calibrating the Thermostat Sensors TOTALINE 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 23: Troubleshooting
SECTION 8 TroubleShooting TroubleShooting TOTALINE SYMPTOM: The air conditioning does not attempt to turn on. CAUSE: The compressor timer lockout may prevent the air conditioner from turning on for a period of time. REMEDY: Consult the Owner's Manual in the Setup section to defeat the cycles per hour and compressor timeguard.
Page 24 TroubleShooting TroubleShooting TOTALINE SYMPTOM: When controlling a residential heat pump, and asking for cooling, the heat comes on. CAUSE: The thermostat reversing valve jumper is set for “b”. REMEDY: Set the reversing valve jumper for “O”. See pages 5.4 and 5.5.

TOTALINE P374-1 900 Installation Instructions Manual

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Summary of Contents for TOTALINE P374-1 900