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Installation Manual
Comfort System T-32-P Universal Thermostat
TM
For Version 2.19 and 2.20
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INTRODUCTION
TABLE OF CONTENTS
This manual should not be left with the owner
as it contains installer setup functions which, if
not correctly set, may cause damage to the
HVAC equipment or seriously affect
performance.
The T-32-P thermostat is intuitive, reliable and
easy to install. Using a common sense approach
to the installation will ensure this product is
installed properly and to the customer’s
satisfaction. Please take time to read and
understand this manual so that installation and
testing is undertaken in an efficient manner.
This manual is to be used in conjunction with the
supplied User Manual.
Although great care has been taken in the
preparation of this manual, Jackson Systems
takes no responsibility for errors or omissions
contained herein. It is the responsibility of the
installer to ensure that this thermostat and the
equipment connected to it operate in a safe
and efficient manner.
Due to ongoing product improvements, Jackson
Systems reserves the right to change the
specifications of the T-32-P thermostat or its
components without notice.
All rights reserved.
© Jackson Systems, LLC 2009.
Intellectual rights apply.
5418 Elmwood Avenue
Indianapolis, Indiana 46203
888-652-9663
www.jacksonsystems.com
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Getting started . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installing the thermostat . . . . . . . . . . . . . . . . . . . 3
Disassembly . . . . . . . . . . . . . . . . . . . . . . 3
Thermostat location . . . . . . . . . . . . . . . . . 3
Mounting the subbase . . . . . . . . . . . . . . . 3
Terminal designations . . . . . . . . . . . . . . . 4
Typical system wiring diagram. . . . . . . . . . . . . . . 4
Heat only . . . . . . . . . . . . . . . . . . . . . . . . . 4
1 heat / 1 cool . . . . . . . . . . . . . . . . . . . . . 4
2 heat / 2 cool . . . . . . . . . . . . . . . . . . . . . 4
2 heat / 1 cool heat pump . . . . . . . . . . . . 5
3 heat / 2 cool heat pump . . . . . . . . . . . . 5
2 heat / 1 cool dual fuel . . . . . . . . . . . . . . 5
3 heat / 2 cool dual fuel . . . . . . . . . . . . . . 5
Special instructions for dual fuel applications . . . 6
Activating the battery . . . . . . . . . . . . . . . . . . . . . . 6
Setting the system switches . . . . . . . . . . . . . . . . 6
System switch functions . . . . . . . . . . . . . . . . . . . 6
Factory default settings . . . . . . . . . . . . . . . . . . . . 6
Entering the advanced installer settings menu . . 7
Advanced installer settings menu . . . . . . . . . . . . 7
TT terminal functions . . . . . . . . . . . . . . . . . . . . . . 8
Remote sensors. . . . . . . . . . . . . . . . . . . . 8
Outdoor sensor wiring . . . . . . . . . . . . . . . 8
Indoor sensor wiring . . . . . . . . . . . . . . . . 9
Using multiple sensors for
temperature averaging. . . . . . . . . . . . . . . 9
Remote ON/OFF or override . . . . . . . . . . 9
Testing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Testing fan operation . . . . . . . . . . . . . . . 10
Testing conventional heating
and cooling operation . . . . . . . . . . . . . . 10
Testing heat pump operation . . . . . . . . . 10
Resetting the time delays . . . . . . . . . . . 10
Factory Test Mode . . . . . . . . . . . . . . . . . 10
Adaptive Recovery . . . . . . . . . . . . . . . . . . . . . . 10
Basic trouble shooting . . . . . . . . . . . . . . . . . . . . 10
Remote sensor installation instructions . . . . . . . 11
Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . 11
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GETTING STARTED
As with any HVAC project, careful installation is
the key to a successful outcome. Time taken
during the installation process will be rewarded by
fewer call-backs.
The steps required to install the T-32-P thermostat
are as follows:
THERMOSTAT LOCATION
The T-32-P should be installed in a location that
represents the ambient space temperature. Do not
install the thermostat in an area where drafts are
present, near the floor, behind doors or on an
external wall. Avoid placing the thermostat in areas
where the air movement is limited, affected by direct
sunlight or other areas not typical of the
temperature in the space.
1. Read and understand this Installation
Manual and User Manual.
2. Mount the T-32-P.
3. Set the 8 system switches to match the
equipment application.
4. Wire the optional remote temperature
sensor(s) or devices.
5. Power the thermostat.
6. Set the Advanced Installer Setup
options.
7. Program and setup the T-32-P
thermostat. (Refer to the User Manual for
instructions)
8. Test heating, cooling and other
functions.
INSTALLING THE THERMOSTAT
MOUNTING THE SUBBASE
When mounting the T-32-P, be aware that drafts
may travel down wall cavities and enter the back of
the thermostat through the control wire hole in the
wall. It is important to seal the hole to prevent any
drafts that might affect the internal temperature
sensor.
Pull the control wires through the large opening in
the thermostat subbase then level and mount the
subbase on the wall using the supplied anchors
and screws.
Do not over tighten the mounting screws as the
subbase may warp causing the improper
seating of the thermostat connecting pins to the
terminal blocks.
Use a properly sized screwdriver and land each
wire to its dedicated terminal.
Do not over tighten the terminal screws.
Check to ensure that all wires are landed correctly
and dressed properly to prevent any shorts.
(Figure 2)
FIGURE 1
DISASSEMBLY
Insert a small coin (dime) in the release slot
located on the bottom of the thermostat. Gently
twist the coin to release the thermostat from the
subbase. Avoid twisting the case as this may
stress the LCD or bend the terminal connector
pins.
(Figure 1)
Refer to Typical System Wiring Diagrams in this
manual.
MOUNTING
HOLES
FIGURE 2
3
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INSTALLING THE THERMOSTAT
TERMINAL DESIGNATIONS
Based on the T-32-P slide switch configurations,
some terminals have multiple output functions
.
(Figure 3)
FACTORY
W2G3Y2
JUMPER
W1
Y1 G1 R
O/B
G2
Power
24 24C B A T T
Coms
Aux
1 HEAT / 1 COOL
Y2
W2
G3
Switch Settings
W1
G2
O/B
HEAT 1
RELAY
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
24 24C B A T T
MODBUS
24 V
TT
TERMINALS
LINE
FIGURE 3
TERMINAL DESIGNATION CHART
TERMINAL
W2
Y2
W1
O/B
Y1
G1
R
24
24C
B
A
T
T
Second Stage Heating or Auxiliary Heat
Second Stage Compressor
First Stage Heating
Reversing Valve
First Stage Compressor
Fan Relay
24 Volt Hot (Jumpered to ‘24’)
24 Volt Hot
24 Volt Common
Modbus Communications
Modbus Communications
Auxiliary Input Terminal
Auxiliary Input Terminal
DESIGNATION
TYPICAL SYSTEM WIRING DIAGRAMS
HEAT ONLY
Y2
W2
G3
W1
G2
O/B
HEAT 1
RELAY
G1 R
Y1
FAN 1
RELAY
24 24C B A T T
MODBUS
TT
TERMINALS
Sw1 = OFF (Fan Relay)
Sw2 = OFF (Heat / Cool)
Sw3 = OFF (Single Stage)
Sw4 = OFF (Equipment Controls Fan)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
2 HEAT / 2 COOL
Y2
G2
COMP 2
RELAY
W1
O/B
HEAT 1
RELAY
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
W2
G3
HEAT 2
RELAY
24 24C B A T T
MODBUS
24 V
TT
TERMINALS
LINE
Switch Settings
Sw1 = OFF (Fan Relay)
Sw2 = OFF (Heat / Cool)
Sw3 = OFF (Single Stage)
Sw4 = OFF (Equipment Controls Fan)
Sw5 = Installer Preference
(ON = 4 Minutes Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Run Time)
(ON = 6 Minute Run Time)
Sw8 = ON (2 Setpoints)
Set FN=H in Advanced Installer Settings
(Heat Only)
LINE24 V
Switch Settings
Sw1 = OFF (Fan Relay)
Sw2 = OFF (Heat / Cool)
Sw3 = ON (Two Stage)
Sw4 = OFF (Equipment Controls Fan)
Sw5 = Installer Preference
(OFF = No Short Cycle Protection)
(ON = 4 Minute Short Cycle Protection)
Sw6 = User Preference
(OFF = Non-programmable)
(ON = Programmable)
Sw7 = Installer Preference
(OFF = 2 Minute Minimum Run Time)
(ON = 6 Minute Minimum Run Time)
Sw8 = ON
(Separate Heating and Cooling Setpoints)
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