Page 1
Installation Manual
Comfort System T-32-P Universal Thermostat
TM
For Version 2.19 and 2.20
Page 2
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
2
Page 3
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
Page 4
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)
4
Page 5
TYPICAL SYSTEM WIRING DIAGRAMS
2 HEAT / 1 COOL HEAT PUMP
Y2
W2
G3
AUX
HEAT
W1
G2
O/B
REV
VALV E
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
24 24C B A T T
MODBUS
24 V
TT
TERMINALS
LINE
2 HEAT / 1 COOL DUAL FUEL
Y2
W2
G3
FOSSIL
FUEL
Switch Settings
W1
G2
O/B
REV
VALV E
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
24 24C B A T T
MODBUS
24 V
TT
TERMINALS
LINE
Switch Settings
Sw1 = OFF (Fan Relay)
Sw2 = ON (Heat Pump)
Sw3 = OFF (Single Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
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)
3 HEAT / 2 COOL HEAT PUMP
Y2
G2
COMP 2
RELAY
W1
O/B
REV
VALV E
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
24 24C B A T T
MODBUS
24 V
Sw1 = OFF (Fan Relay)
Sw2 = ON (Heat Pump)
Sw3 = ON (Two Stage)
Sw4 = (Reversing Valve)
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
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)
W2
G3
AUX
HEAT
Switch Settings
TT
TERMINALS
LINE
Sw1 = OFF (Fan Relay)
Sw2 = ON (Heat Pump)
Sw3 = OFF (Single Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
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)
3 HEAT / 2 COOL DUAL FUEL
Y2
G2
COMP 2
RELAY
W1
O/B
REV
VALV E
Y1
COMP 1
RELAY
G1 R
FAN 1
RELAY
24 24C B A T T
MODBUS
24 V
Sw1 = OFF (Fan Relay)
Sw2 = ON (Heat Pump)
Sw3 = ON (Two Stage)
Sw4 = Reversing Valve
(OFF = ‘O’ - RV Energized in Cooling)
(ON = ‘B’ - RV Energized in Heating)
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)
W2
G3
FOSSIL
FUEL
Switch Settings
TT
TERMINALS
LINE
5
Page 6
SPECIAL INSTRUCTIONS FOR DUAL FUEL APPLICATIONS
When the T-32-P is used with dual fuel systems, an
outdoor sensor is recommended for balance point
control (Model T-32-S1). The sensor is wired to the
TT terminals on the thermostat. In the
Installer Settings TT = OA.
, set This configures
Advanced
the thermostat to receive the outdoor temperature
information. High and low balance point settings
are also set in the .
HB = 55
setting and is the factory default low
is the factory default high balance point
LB = 35
Advanced Installer Settings
balance point setting in degrees Fahrenheit. High
balance point is adjustable from 32° F to 122° F
and low balance point is adjustable from 15° F to
77° F.
SYSTEM SWITCH FUNCTIONS
Sw1 - Fan Relay Leave Switch 1 OFF
Sw2 - Equipment Switch 2 sets the equipment
Sw3 - Equipment Stages Switch 3 sets the equipment stages.
SYSTEM SWITCH FUNCTIONS
Sw4 - Fan Mode or Reversing Valve
Switch 4 sets the fan logic for heat / cool
systems or sets the reversing valve
configuration for heat pump systems.
(factory default).
configuration. For heat / cool
equipment, set the switch to the OFF
position (factory default). For heat
pump equipment, set the switch
to the ON position.
For single stage equipment, set the
switch to the OFF position (factory
default). For multi-stage equipment,
set the switch to the ON position.
It is very important that the W2 relay be
configured to lock out the heat pump on low
balance point or whenever the thermostat calls
for auxiliary or emergency heat. In the
Advanced Installer Settings, set H3 = FF.
ACTIVATING THE BATTERY
The T-32-P contains a 3 volt
Lithium cell battery that
REMOVE TAB
maintains the time of day in
the event of a power failure.
To activate the battery,
ON
1 2 3 4 5 6 7 8
carefully remove the white
tab.
(Figure 4)
SETTING THE SYSTEM SWITCHES
. . . . . . . . . . . .
FIGURE 4
The T-32-P contains a set
of eight system switches
located on the thermostat
printed circuit board. The
switches are used to match
ON
1 2 3 4 5 6 7 8
the thermostat with the
specific type of HVAC
system and user
preferences. Refer to the
. . . . . .
. . . . . .
FIGURE 5
system switch functions to
properly configure the
thermostat.
(Figure 5)
Fan Mode
(equipment controls fan in heating mode),
set the switch to the OFF position (factory
default). For electric systems (thermostat
controls fan in heating mode), set the switch
to the ON position.
Reversing Valve
(energize in cooling), set the switch to the
OFF position (factory default). For ‘B’
reversing valve (energize in heating), set the
switch to the ON position.
Sw5 - Short Cycle Timer
Sw6 - Thermostat Operation
Sw7 - Minimum Run Time
Sw8 - Program Schedule
FACTORY DEFAULT SETTINGS
SWITCH ON/OFF FUNCTION
1 - Fan OFF Fan Relay
2 - Equipment OFF Heat / Cool
3 - Stages OFF 1 Stage
4 - Fan Mode / OFF Equipment Controls Fan /
Reversing Valve ‘O’ Reversing Valve
5 - Short Cycle Timer ON 4 Minute Short Cycle Protection
6 - Operation OFF Manual
7 - Minimum Run Time OFF 2 Minutes
8 - Setpoints ON Leave switch 8 to ON for
Leave switch 5 ON for 4 minute short cycle
protection (factory default).
Switch 6 sets the thermostat operation.
For programmable, set the switch in the
ON position (factory default).
For non-programmable, set the switch
in the OFF position.
Leave switch 7 to OFF for 2 minute minimum
run time (factory default).
Leave switch 8 to ON for separate heating
and cooling setpoints (factory default).
- For gas or oil systems
- For ‘O’ reversing valve
separate heating and
cooling setpoints.
6
Page 7
ENTERING THE ADVANCED INSTALLER SETTINGS MENUENTERING THE ADVANCED INSTALLER SETTINGS MENU
The T-32-P contains factory defaults for all Advanced
Installer Settings. Depending upon the user and
equipment application, some settings may need to be
changed.
To enter the Advanced Installer Settings menu, push the
O/RIDE
the number “ ” is displayed on the LCD. Using the
button once then hold it down (15 seconds) until
88:15
( ) ( ) arrow button, adjust the value until it reads
“ ” and then press the button to enter the
88:32 O/RIDE
menu. You can move forward or backwards through the
menu by pressing the or buttons.
ADVANCED INSTALLER SETTINGS MENU
Symbol Default Function
88
PN 32 Keyboard Lock PIN. This is the required
LC
LC 00 Keyboard Lock OFF
Programmable Mode LC=01 - All buttons are locked except
Manual Mode LC=00 - Keyboard lock OFF.
(Sw6=OFF) LC=01 - All buttons are locked except
HL 90 Maximum Heating or High Temperature
HL
CL 50 Minimum Cooling or Low Temperature
CL
CF F Temperature Display
CF
C1 0.0 Internal Sensor Calibration
CI
TC 12 Time Format
8C
TD 0 Temperature Display88
AH 2.0 After Hours Override TimerAH
4 Schedules Temporary Program Override 0 (OFF)
(Sw6=ON) extends override to next program
(Sw8=ON) change. 1 - 12 equals fixed hours of
O/RIDE PROG
PIN for future entry into the Advanced
Installer Setup menu. (Range 00-99)
( ) ( ) buttons.
LC=02 - All buttons are locked except
and( ) ( ) buttons.
O/RIDE
LC=03 - All buttons are locked except
MODE, O/RIDE
LC=04 - All buttons are locked except
and ( ) ( ) buttons.
MODE
LC=05 - All buttons are locked except
O/RIDE
LC=06 - All buttons are locked.
button.
MODE
LC=02 - All buttons are locked except
and ( ) ( ) buttons.
MODE
LC=03 - , and are locked.
button can only select Auto or
MODE
OFF.
LC-04 - MODE button can only select
Auto or OFF.
LC-05 - All buttons are locked.
LC-06 - Same function as LC-05.
Limit.(Adjustable from 41° F - 120° F)
Limit. (Adjustable from 43° F - 122° F)
(Degrees F or C)
(Adjustable +/- 9° F)
(12 or 24 Hour Clock)
TD=0 - Displays set and space
temperatures.
TD=1 - Displays only the set
temperature.
override.
and ( ) ( ) buttons.
button.
FAN PROG
ADVANCED INSTALLER SETTINGS MENU
Symbol Default Function
ST OF Leave at factory default
S8
SC OF Leave at factory default
SC
FO=2 - In programmable mode
(Sw6=ON), fan runs continuously with
program 1 through 4 and then in AUTO
from program 4 - 1.
FO=3 - In programmable mode
(Sw6=ON), fan control is a combination
of option 1 and 2.
FP 0 Fan Purge
FP
FN A Mode - Heat / Cool system.
88
H3 AL
H3 H3=AL - W2 relay used for auxiliary and
88
TT RS
AF
AF 1 Freeze protection ON. If thermostat is
OH OF Override Heating Setpoint.
8H
OC OF Override Cooling Setpoint.
8C
Adjustable from 0 - 5 minutes after
heating or cooling cycle.
FN=C - Cooling only system.
FN=H - Heating only system.
emergency heat.
(Sw1 = OFF) (Sw2 = ON)
H3=EH - W2 relay controls emergency
heat.
H3=AH - Do not use this function.
H3=FF - Fossil Fuel (Y is locked out
when W2 is energized.
H3 = OF - W2 relay only operates as
auxiliary heat in heat pump mode.
NO OR
For remote sensor 1 or more
remote indoor sensor without the
onboard sensor being used.
TT=OA - For outdoor remote sensor
connection.
TT=DA - Sends measured temperature
from remote sensor via modbus but
does not display the value on the LCD.
TT=OC - For connecting dry contact
switch.
(Replaces user setpoints with
pre-programmed cooling ‘OC’ and
heating ‘OH’ setpoints)
TT=OF - For connecting dry contact
switch.
(Turns thermostat off when closed)
TT=AV - For averaging the
internal thermostat
indoor sensor(s) together.
OFF, heating will come on if room
temperature falls below 41° F.
AF=0 - No freeze protection.
(Adjustable from 41° F - 120° F)
(Adjustable from 43° F - 122° F)
BOTH
sensor and remote
7
Page 8
ADVANCED INSTALLER SETTINGS MENU
ADVANCED INSTALLER SETTINGS MENU
Symbol Default Function
SP
SP 1 1.4° F differential for stage 1.
SP=2 - 1.9° F differential.
SP=3 - 2.4° F differential.
S8
SD 1 1.4° F differential for stage 2.
SP=2 - 1.9° F differential.
SP=3 - 2.4° F differential.
S3 1 1.4S3 ° F differential for stage 3.
S3=2 - 1.9° F differential.
S3=3 - 2.4° F differential.
SU 10 Leave at factory default.su
88
DT 20 Upstage Timer.
8S
OS 1 Adaptive Recovery ON.
C2
C2 0.0 Remote sensor calibration.
C8
CO 55 Cooling OFF temperature. Only
H8
HO 75 Heating OFF temperature. Only works if
HB 55 High Balance Point.
H8
LB 35 Low Balance Point.
L8
FT OF Replace or clean filter.
88
(Adjustable from 10 - 90 minutes in
5 minute increments) Only works if
thermostat has not called for 2nd or
3rd stage. (Sw3=ON)
OS-0 = Adaptive Recovery OFF.
(Adjustable +/- 9° F)
works if TT-OA with outdoor sensor.
When outdoor temperature falls below
setpoint, cooling will shut off.
(Adjustable from 41° F - 122°F)
TT=OA with outdoor sensor. When
outdoor temperature rises above
setpoint, heating will shut off.
(Adjustable from 41° F - 122° F)
Only works if TT=OA with outdoor
sensor and H3=FF
for fossil fuel. W2 auxiliary heat
is locked out when temperature rises
above HB setpoint.
(Adjustable from 32° F - 122° F)
Only works if TT=OA with outdoor
sensor and H3=FF
for fossil fuel. W2 auxiliary heat is
locked out when temperature falls
below LB setpoint.
(Adjustable from 15° F - 77° F)
(Off to 900 hours in 100 hour
increments)
Symbol Default Function
SS
SS 0 Start/Stop Mode.
08
OF 0 Leave at factory default
8S
RS 50 Response Time.
8S
TS 0 Factory Test Mode OFF.
TT TERMINAL FUNCTIONS
(Controlled by thermostat program)
SS=1 - Thermostat in Start only mode
per call by Modbus Master.
SS=2 - Thermostat in Stop only mode
per call by Modbus Master.
(Leave at factory default)
TS=1 - Display configuration code.
TS=2 - Step cycle all relays in
sequence.
TS=3 - Reset software to factory
defaults.
(Press fan button to initiate)
The ‘T’ and ‘T’ terminals on the T-32-P are primarily
used for wiring either an indoor or an outdoor remote
sensor. The terminals are not polarity dependent. The
terminals can also be used for other functions such as
remote ON/OFF switching of various control functions
depending upon thermostat configuration. Each
configuration requires setup in the Advanced Installer
menu.
REMOTE SENSORS
There are two type of remote sensors. The T-32-S1 is
a single sensor that can be used indoors or outdoors.
The T-32-S2 contains two sensors. A combination of
both sensors can be used for indoor temperature
averaging to simplify wiring.
OUTDOOR SENSOR WIRING
When the T-32-S1 is used as an outdoor sensor, the
T-32-P will display the outside air temperature. In the
Advanced Installer menu, TT=OA. The outdoor sensor
can also be used for high and low balance point
control in dual fuel systems. Use separate 18-2
thermostat cable when wiring the sensor to the
thermostat. If the outdoor sensor fails, or is not wired
properly, two dashes will appear on the LCD where
the outside temperature would normally be displayed.
(Figure 6)
AD 1 Modbus Address.
A8
(Adjustable from 0 to 32)
88
BD 19.2 Baud Rate.
BD=4.8
BD=9.6
C8
CD 0 Commissioning Mode
OFF.
(All time delays active)
CD=1- Commissioning
Mode ON.
(All time delays inactive)
Y2
W1
W2
G2
G3
Y1
O/B
G1 R
T-32-S1 SENSOR
24 24C B A T T
FIGURE 6
8
Page 9
TT TERMINAL FUNCTIONS
INDOOR SENSOR WIRING
When the T-32-S1 is used as an indoor sensor, the
T-32-P can be configured to allow only the remote
sensor to control the temperature (TT=RS) or both
the remote and onboard sensor can be used for
temperature averaging (TT=AV). An optional in-line
switch can also be used with the remote sensor to
change the temperature sensing location from
remote to onboard sensor. The Advanced Installer
menu setting must be TT=RS to use this feature.
(Figure 7)
Y2
W1
W2
G3
Y2
W1
W2
G3
Y1
G2
O/B
G1 R
T-32-S2 SENSORT-32-S2 SENSOR
24 24C B A T T
Y1
G2
O/B
T-32-S1 SENSOR
G1 R
24 24C B A T T
OPTIONAL
SWITCH
FIGURE 7
REMOTE ON/OFF OR OVERRIDE
Using an external dry contact switch, the T-32-P
can be configured to turn the thermostat off or
change the heating and cooling setpoints to a
pre-programmed override value.
(Figure 9)
To turn the thermostat off, TT=OF in the Advanced
Installer menu. When the switch is closed, the
T-32-P will turn off and the word will flash on
OFF
the LCD. When the switch is opened, the
thermostat will return to the user settings.
For remote override, TT=OC in the Advanced
Installer menu. Override setpoints are programmed
in the Advanced Installer menu using ‘OC’ (Cooling
setpoint) and ‘OH’ (Heating setpoint). When the
switch is closed, the user setpoints are replaced by
the pre-programmed override setpoints. When the
switch is open, the thermostat will return to the user
settings.
FIGURE 8
USING MULTIPLE SENSORS FOR
TEMPERATURE AVERAGING
Multiple sensors can be connected to the ‘T’ and
‘T’ terminals if temperature averaging is required
with or without the use of the thermostat onboard
sensor. The total value of remote sensors wired in
series/parallel must equal 10k @ 77 F.
Ω
The onboard sensor is not part of the equation
Figure 8 shows (2) T-32-S2 sensors used for
For three sensors, (1) T-32-S2 and (2) T-32-S1
sensors can be wired in series / parallel. For four
sensors, (4) T-32-S1 sensors can be wired in
series / parallel. Both of these configurations can
be used with or without the thermostat onboard
sensor. To include the onboard sensor, TT=AV. To
exclude the onboard sensor, TT=RS.
Y2
W2
G3
W1
G2
O/B
G1 R
Y1
24 24C B A T T
FIGURE 9
SWITCH
TESTING
.
Testing ensures that the thermostat and the HVAC
equipment operate properly. Follow the detailed
testing steps and refer to the Troubleshooting Guide
in this manual if any problems are encountered.
When the T-32-P is powered, the LCD will briefly
show all available LCD icons, software version, then
display the time and operating mode, etc.
Program hold
active
Current
running
program
System
mode
Fan
status
Modbus
communications
active
TIMER
Keyboard
or control
limit
is locked
Override timer
activated
Commissioning
mode
Commissioning
mode
Day
Clock
Set or room
temperature
System or
thermostat
fault
Outside air
temperature
9
Page 10
The T-32-P incorporates a number of time delays
which can be disabled during testing by setting
CD=1 in the Advanced Installer menu. After exiting
the menu, a wrench icon will flash on the LCD. This
is to remind you that once testing is completed, the
time delays need to be re-initiated by setting CD=0
in the Advanced Installer menu.
TESTING FAN OPERATION
Pres the button until the word is
displayed on the LCD. Press the button and
the word will appear. After a brief moment,
MODE OFF
FAN
Fan On
the internal fan relay will energize and the fan icon
will appear and rotate.
TESTING CONVENTIONAL HEATING AND
COOLING OPERATION
Press the button until Mode appears
MODE Heat
on the LCD. Use the ( ) button and raise the
setpoint a few degrees above the space
temperature. The heating relay will energize and
the word will change to . If the
Heat Heating
thermostat has been configured for multi-stage
operation, raise the setpoint further and the second
stage heating relay will energize. A period ( ) will
be displayed after the word .
Press the button until Mode appears
MODE Cool
Mode
.
on the LCD. Use the ( ) button and lower the
setpoint a few degrees below the space
temperature. The cooling and fan relays will
energize and the word will change to
Cooling
. If the thermostat has been configured for
Cool
multi-stage operation, lower the setpoint further
and the second stage cooling relay will energize. A
period ( ) will be displayed after the word .
. Mode
RESETTING THE TIME DELAYS
After testing the thermostat, change CD=1 to CD=0
in the Advanced Installer menu. This will be
confirmed when the flashing wrench icon no longer
appears on the LCD.
FACTORY TEST MODE
The T-32-P contains a simple factory Test Mode
that can confirm relay outputs, slide switch
configuration along with a factory default reset.
TS=0 - Factory Test Mode is OFF
TS=1 - Displays system configuration code
based on slide switch settings,
(for factory use only).
TS=2 - Cycles each relay on and off in an
endless loop.
Equipment should be
disabled when performing this test.
TS=3 - Reset software to factory defaults.
Press button to initiate.
ADAPTIVE RECOVERY
Fan
Adaptive Recovery is only available in
programmable mode (Sw6=ON and OS=1). The
Adaptive Recovery function of the T-32-P permits
the user to program a time that a desired set
temperature is required. The thermostat then
calculates the most energy efficient time to bring on
the equipment to reach the setpoint at the
designated time. This calculation involves a
complex control algorithm that compares the space
temperature distance from setpoint, and rate of
recovery history. “RECO” flashes on the LCD when
Adaptive Recovery is active.
BASIC TROUBLE SHOOTING
TESTING HEAT PUMP OPERATION
When the T-32-P is configured for heat pump
operation, testing is the same as for a conventional
heating and cooling system with the exception that
the fan relay is energized on a call for both heating
and cooling.
Emergency Heat mode is only
active when the thermostat is set to H3=EH,
H3=FF or H3=AL in the Advanced Installer
menu
. When the thermostat is placed in the
emergency heat mode, will be displayed
E. Heat
on the LCD. When the W2 relay is energized
Heating
will be displayed on the LCD.
When the thermostat is in the heat pump mode,
the reversing valve is energized with a cooling call
‘O’ or heating call ‘B’ and remains energized until
there is an opposite call or if after 30 minutes there
is no call, the reversing valve will de-energize.
E.
SYMPTOM
No LCD Display Remove thermostat from subbase and
“Locked” appears on
the LCD and Heating
or Cooling will not
operate.
Temperature display
inaccurate.
POSSIBLE FAULT AND REMEDY
check for 24 volts across ‘24’ and ‘24C’.
Make sure factory jumper is between ‘R’ and
‘24’. If no voltage, check voltage on HVAC
for 24 volts at HVAC system terminals ‘R’
and ‘C’. If no voltage, fault is equipment
related. If voltage, fault could be in wiring.
This is not a fault. If an outdoor sensor is
being used, it could be preventing heating or
cooling calls based on the outdoor air
temperature either being about or below the
HO and CO value which may require
changing in the Advanced Installer menu.
Air from the wall cavity may be leaking into
the rear of the thermostat. Seal holes in the
wall to prevent air infiltration. The
temperature sensor might be folded back
inside the thermostat and is not being
exposed to the room temperature. Carefully
move the sensor head so that it is just
behind the sensor opening in the case.
External influence from appliances, lighting
or drafts may be affecting temperature
accuracy. Move lamps or other sources of
abnormal temperature influence away from
the thermostat.
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BASIC TROUBLE SHOOTING
SYMPTOM
Wrench icon flashes
on LCD
Outdoor temperature
does not display.
Dashes (---) appear
on the LCD.
Heating or Cooling is
flashing while the
HVAC system is
running.
Lock icon flashes
when trying to set a
higher heating or
lower cooling
temperature.
Thermostat
displays wrong
temperature.
The fan continues
to run after a
heating or cooling
call is satisfied.
Some buttons on
the thermostat do
not function.
Thermostat clock
does not keep
proper time.
REMOTE SENSOR INSTALLATION INSTRUCTIONS
POSSIBLE FAULT AND REMEDY
This is not a fault. Commissioning mode is
enabled and time delays are overridden.
Change CD=1 to CD=0 in the Advanced
Check wiring to outdoor sensor. Make sure
that TT=OA in the Advanced Installer menu.
This is not a fault. The T-32-P has a built-in
minimum equipment run time of either 2 or 6
minutes. Sw6 may set for 6 minutes (ON)
which is keeping the equipment on after the
thermostat reaches setpoint. Try setting
This is not a fault. HL and CL restrict the
heating and cooling setpoints. The limit
values can be changed in the Advanced
Installer menu.
The T-32-P can display in either Fahrenheit
or Celsius. Change CF=C or F in the
Advanced Installer menu.
The thermostat is set to Fan ON. Set the
thermostat to Auto Fan. The fan purge
mode is set to run the fan for a fixed period
of time after the equipment shuts off.
Change the FP value in the Advanced
Installer menu.
Lock values have been set. Refer to LC
settings in the Advance Installer menu.
Make sure that the plastic tab on the
internal fitted battery is removed so that the
battery is operational.
The T-32-P can use an indoor remote sensor or
multiple sensors for temperature averaging or as
an outdoor sensor for temperature display or a
control function depending upon the thermostat
configuration.
INDOOR SENSOR INSTALLATION
Locate the sensor in the same manner as a
thermostat. Mount the sensor 18” away from any
outside wall. Do not install the sensor behind
doors, in corners or other dead air spaces. Keep
the sensor away from direct air flow, supply
registers or near sources
of heat such as lamps
and appliances. The maximum wire length from the
sensor to the thermostat is 300 feet. Use a
separate 18-2 thermostat cable for sensor wiring.
Prior to wiring the sensor to the thermostat, use an
ohm-meter or multimeter to measure the
resistance of the sensor. Measure at the end of the
wires that will connect to the thermostat.
Confirm the resistance value (within 5%) to the
temperature where the sensor is mounted.
Disconnect power to the thermostat when wiring
the sensor to the ‘T’ and ‘T’ terminals. Strip only as
much insulation off of the wires as necessary to
provide a good contact with the terminals. The
sensor is not polarity specific so either sensor lead
may be connected to either terminal on the
OUTDOOR SENSOR INSTALLATION
Mount the sensor on a vertical exterior surface
below an overhang. Choose a location protected
from direct sunlight and exposure to excessive
moisture. Follow the same wiring and test
procedures as installing an indoor sensor.
SENSOR CALIBRATION CHART
Temperature
(°F)
30
40
50
60
SPECIFICATIONS
Input Voltage 24 VAC 50/60 Hz
Relay Rating 24 VAC @ 1Amp maximum
Operating Temperature 32° F to 122° F
Operating RH 0-95% (non-condensing)
Storage Temperature 32° F to 105° F
Size 4-7/16” W x 4-1/16” H x 7/8” D
LCD Display Size 2-3/4” W x 1-7/8” H
Temperature Sensor 10K NTC type 2
Voltage 20-30 VAC
Resistance 10k @ 77 F
Tolerance +/- 3% @ 77 F
Stage Delays Minimum temperature change
Timed Upstage Delay 5 - 90 minutes
Short-cycle Delay Off to 4 minutes
Display Resolution 0.1° F
Control Range Off to 105° F
Outdoor Air Temperature Range -10° F to 140° F
Back Light Blue EL (Electro Luminescent)
Optimized Start/Stop Method Time to start vs. temperature
Communications Protocol Modbus
Approvals FCC (Part 15) (Pending)
Warranty 5 years
The T-32-P can be configured for 3-speed fan and
For information regarding these features, contact
Resistance
(k)Ω
34.6
26.1
19.9
15.3
Temperature
(°F)
70
80
90
100
per relay
Ω°
°
over time
differential
single setpoint control.
Jackson Systems at 1-888-652-9663
Resistance
(k)Ω
11.9
9.4
7.4
5.9
11
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