TOTALINE P374-2 700 User manual

IONT A L E
T
AUTO
HEAT
OOL
C
27
74
COMMERCIALCOMMERCIAL
THERMOSTATTHERMOSTAT
P/NP/N
P374-P374-27002700
TOTALINE
Signature
HEAT
COOL HEAT
PUMP
HEAT
COOL HEAT
PUMP
Commercial Systems & Services Carrier Corporation 08/05
Use with most Air Conditioning & Heating Systems including: 1 or 2 Stage
Electric Cooling & 2 Stage Gas Heating, Heat Pump, Electric or Hydronic Heat.
OWNER’S
MANUAL
OWNER’S
MANUAL
NON-PROGRAMMABLE
DIGITAL
THERMOSTAT
OPTIONAL
HUMIDITY MODULE
OPTIONAL
HUMIDITY MODULE
Accepts the
Accepts the
3 Configurable Outputs
Control up to 2 Heat &
2 Cool Stages
Backlit Display & Button
Legends
Aux Heat Indicator
Dry Contact Equipped
3 Configurable Outputs
Control up to 2 Heat &
2 Cool Stages
Set Point Limiting
Remote Sensor Ready
Outdoor Sensor Ready
Accepts EZ Programmer
Accepts Optional Humidity
Module: Controls Humidification
and Dehumidification
Accepts Optional IR Remote Control

Page i
NOTE: Due to variations in environmental conditions, it is not
always possible to achieve the desired humidification or
dehumidification setpoint.
This device complies with Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, 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.
CAUTION
C
c
F
FOR HOME OR OFFICE USE
Tested to Comply
with FCC Standards
Thermostat P374-2700
4Z95
TOTALINE
CAUTION
OK
MISC3 MISC3

Page ii
Page 14.1
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
SECTION 14
Timers and DeadbandsTimers and Deadbands
TOTALINE
14
The first page of each section contains a more detailed Contents of each
section, such as the example page shown below.
The Table of Contents divides the thermostat features into sections
making it easier to quickly find information.
In addition, this manual also has an Index to help you find any information
regarding this thermostat quickly.
How to Use This ManualHow 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 #

TOTALINE
Glossary of TermsGlossary of Terms
Page iii
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, and economizer operation.
Cool Setpoint: The warmest temperature that the space should
rise to before cooling is turned on (without regards to
deadband).
Deadband: The number of degrees the thermostat will wait, once
setpoint has been reached, before energizing heating or cooling.
Dehumidify: To reduce the amount of moisture in the air.
Differential: The forced temperature difference between the
heat setpoint and the cool setpoint.
Heat Setpoint: The coolest temperature that the space should
drop to before heating is turned on (without regards to
deadband).
Humidify: To increase the amount of moisture in the air.
Icon: The word or symbol that appears on the thermostat
display.
Mode: The current operating condition of the thermostat (i.e. Off,
Heat, Cool, Auto).
Non-Programmable Thermostat: A thermostat that does not
have the capability of running the Time Period Programming.
Temperature Swing: Same as Deadband.

2
1
3
6
7
8
9
10
11
12
13
14
15
16
17
18
19
4
5
Quick Start
Getting to Know Your
Thermostat
Basic Operation
Viewing Temperature
and Humidity Sensors
Programming the
Fan Operation
Thermostat Display
Options
Humidification
Dehumidification
Viewing Equipment
Run-Times
Electric Heat and
Heat Pump Operation
Timers and Deadbands
Programming Remote
Sensor Operation
Programming the Dry
Contact
Programming the Run-
Time Alarms
Configuring the MISC
Outputs
Factory Defaults,
Calibration, and Sensors
Accessories
Advanced Setup Table
Page iv
TOTALINE
Table of ContentsTable of Contents
Override Operation

Page 1.1
Section 1 Contents:
Selecting the Heat or Cool
Mode............................................1.2
Selecting Your Desired
Temperature................................1.3
Using the Fan Button...................1.3
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 1
Quick StartQuick Start
TOTALINE
1

Selecting the Heat or Cool ModeSelecting the Heat or Cool Mode
Press
MODE
Press
MODE
Press
MODE
HEAT
70
68
COOL
70
76
HEAT
COOL
AUTO
70
68
76
OFF
70
Select Mode by Pressing the MODE Button
The 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
AUTO will automatically select
heat or cool based on room
temperature demand.
Heating or Cooling
TOTALINE
Page 1.2
1

AUTO MODE
Pressing the UP or DOWN buttons in Auto mode
will adjust both the heat and cool set temperatures
simultaneously.
buttons.
Adjust the desired
set temperature with the
HEAT
COOL
AUTO
70
68
76
HEAT OR COOL MODE
Pressing the UP or DOWN buttons in Heat or Cool mode will
adjust only the heat or cool set temperature.
buttons.
Adjust the desired
set temperature with the
COOL
70
76
Page 1.3
Selecting Your Desired Temperature
(adjusting the setpoints)
Selecting Your Desired Temperature
(adjusting the setpoints)
HEAT
COOL
AUTO
70
68
76
FanOn
Using the Fan ButtonUsing the Fan Button
TOTALINE
1
Press
FAN
Fan On indicates constant fan operation.
If Fan On is selected the fan will run
continuously at all times, except in Off,
and will only run if there is a heating or
cooling demand in Unoccupied periods.
Pressing the FAN button toggles this
feature on or off.

Section 2 Contents:
Front Panel Buttons.....................2.2
Display Features...........................2.3
Page 2.1
SECTION 2
Getting to Know Your ThermostatGetting to Know Your Thermostat
TOTALINE
2

Backlit LCD Display
Override
Button
Heat or Cool Demand Indicator
Red = Heat, Green = Cool
TOTALINE
AUTO
HEAT
COOL
72
74
Front PanelFront Panel
TOTALINE
HUMIDITY FANMODE OUTSIDE RESET
FILTER
OVER
RIDE
HUMIDITY
AUTO
HEAT
COOL
72
74
FA NMODE RESET
FILTER
OUTSIDE
Commercial
Thermostat
Page 2.2
2
Warmer Button sometimes referred
(glows red) to as the UP button
Cooler Button sometimes refer-
(glows blue) red to as the
DOWN button
[ ]
[ ]

AUTO
OFFON
Override
AUXHEAT
COOL
FanOn
Service Filter
Pan UV Light
DeHumidify
I88
Setup
Outside
Remote
88
88
2
Display FeaturesDisplay Features
TOTALINE
Mode Indicators - Section 3
Selects the operational mode of the equipment.
HEAT - Indicates the heating mode.
COOL - Indicates the air conditioning mode.
AUTO - Indicates the system will automatically changeover
between heat and cool modes as the temperature varies.
OFF - Indicates heating and cooling is turned off.
Room Temperature Display - Section 4
Indicates the current room temperature and displays the outside
temperature when selected.
Desired Set Temperature - Section 3/4
Indicates desired room temperature(s). Also displays the daily
maximum and minimum outside temperatures.
Outside icon - Section 4
Indicates the temperature displayed is from the optional outside
sensor.
Override icon - Section 5
Indicates that normal operation is currently being overridden for
up to 4 hours.
Page 2.3
2

2
TOTALINE
Display FeaturesDisplay Features
icon - Section 7
Indicates keypad has been locked.
AUTO
OFFON
Override
AUXHEAT
COOL
FanOn
Service Filter
Pan UV Light
DeHumidify
I88
Setup
Outside
Remote
88
88
Setup icon - Sections 6-15
Indicates the thermostat is in the setup mode.
Fan On icon - Section 6
Indicates constant, continuous fan operation. When Fan On is not
lit - indicates the fan will only operate when necessary to heat or to
cool.
Service Filter icon - Section 15
Appears when the filter should be serviced under normal conditions.
Adjustable from 0 - 1950 hours of blower operation.
Remote icon - Section 4
Indicates the remote sensor reading of the thermostat is being
viewed.
UV Light icon - Section 10/15
Appears when the UV bulb should be serviced under normal
conditions. Adjustable from 0 - 1950 days of operation.
Page 2.4
2

Humidify/DeHumidify icon -
Indicates the system is currently humidifying/dehumidifying the air.
Sections 8-9
Service Pan icon - Section 14
Indicates that a sensor (accessory) has detected the condensate
drain pan is full and the compressor (Y1) has been locked out.
TOTALINE
AUTO
OFFON
Override
AUXHEAT
COOL
FanOn
Service Filter
Pan UV Light
DeHumidify
I88
Setup
Outside
Remote
88
88
AuxHeat icon - Section 11
Indicates the Heat Pump is currently using 2nd stage electric
strip heat.
Page 2.5
Display FeaturesDisplay Features
2

Section 3 Contents:
Programming for Auto or
Manual Operation......................3.2
Selecting the Proper
Operating Mode.........................3.3
Selecting Your Desired
Temperature...............................3.5
Page 3.1
Note: During setup & programming pressing the UP or DOWN
buttons will modify the flashing selection.
SECTION 3
Basic OperationBasic Operation
TOTALINE
3

Page 3.2
YES
NO
I
AUTO
Setup
HUMIDITY
Press
HUMIDITY
MODE
MODE
Press the HUMIDITY button to leave the Setup screens. If no buttons are
pressed, the display will leave the setup screens after 30 seconds.
Manual or Auto-Changeover
Thermostat
Manual or Auto-Changeover
Thermostat
Press the MODE button. While holding
the MODE, press the HUMIDITY button
to enter Setup screens.
Press the MODE button repeatedly
until this setup screen appears.
When the very simplest operation is desired, this thermostat may
be configured to be a manual heat and cool thermostat. 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, and Cool screens to be accessed.
Select Yes if you would
like the thermostat to
be Auto-Changeover or
No for a Heat Only and
Cool Only Thermostat.
TOTALINE
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.
3

Press
MODE
Press
MODE
HEAT
70
68
COOL
70
76
OFF
70
MANUAL-CHANGEOVER - If the thermostat is configured to be Manual-
Changeover, the following screens will be available by pressing the
MODE button.
Page 3.3
The 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 Mode when the Thermostat
is Configured to be:
Select the Mode by Pressing the MODE Button
TOTALINE
3

Press
MODE
Press
MODE
Press
MODE
HEAT
70
68
COOL
70
76
HEAT
COOL
AUTO
70
68
76
OFF
70
AUTO-CHANGEOVER - If the thermostat is configured to be Auto-
Changeover, the following screens will be available by pressing
the MODE button.
Page 3.4
The HEAT setting indicates the
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
and air conditioning
systems are turned off.
Off
Operating Mode when the Thermostat
is Configured to be:
Operating Mode when the Thermostat
is Configured to be:
TOTALINE
3

Page 3.5
AUTO MODE
Pressing the UP or DOWN buttons in Auto mode
will adjust both the heat and cool set temperatures
simultaneously. For more information on this see page 12.2.
buttons.
Adjust the desired
set temperature with the
HEAT
COOL
AUTO
70
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
70
76
Selecting Your Desired Temperature (adjusting setpoints)Selecting Your Desired Temperature (adjusting setpoints)
TOTALINE
3

Section 4 Contents:
Viewing the Outside
Temperature..............................4.2
Viewing the Indoor
Humidity....................................4.3
Page 4.1
SECTION 4
Viewing the Temperature and Humidity SensorsViewing the Temperature and Humidity Sensors
TOTALINE
4