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WIRING
The T32 thermostat is connected to the wiring hub using the
existing thermostat cable in the home and eliminates having to
install any new wires within the living area of the home when
wireless sensors are used.
!
Warning!
Turn the power to the HVAC equipment off before wiring.
See H32 Wiring Hub Installation Manual (Document
p/n: 780101720) for detailed wiring instructions.
Thermostat to Wiring Hub
Use 5-conductor (1 spare), 18 or 20 gage, thermostat cable to
wire the T32 thermostat to an H32 wiring hub.
T32
Wire Color
Terminal
5V
Red
GND
White
SA
Blue
SB
Yellow
HVAC
SENSORS
Existing thermostat cable
in replacement installations.
+5V
GND
SB
SA
T32
Thermostat Model T32
INSTALLER SECTION
Wiring Hub
Function
Terminal
5V
24VAC Power
GND
Common
SA
Signal A
SB
Signal B
LIVING
SLEEP
WH FAN
FR AIR
TSTAT
DAMPER
DAMPER
SPACE
SPACE
Wiring Hub H32
After wiring all components, place the thermostat on
!
the subbase. Do not install batteries. Turn power to the
HVAC equipment On and check for startup messages.
Set Installer Options and then test the installation using
the Installer Test Menu.
Startup Messages:
!
When the wiring hub and
thermostat are powered, a
blank LCD indicates that there
is no power to the thermostat.
Check the power indicator on
the wiring hub. If the power
indicator is on , turn off the
power and check the wiring from the thermostat to the wiring
hub for errors. If the power indicator is off, turn off the power
and check the wiring from the wiring hub to the system for
errors.
When the H32 Wiring Hub and Thermostat are powered, nC
will appear in the LCD display to indicate the thermostat has
not established communication with the Hub. After a few
seconds the message disappears indicating the thermostat and
wiring hub are now communicating.
Sleeping
Airflow %
Hold
Living
We
AM
MENU
MODE
When the wiring hub and
thermostat are powered,
displayed when the thermostat
has not detected a wired or
wireless sensor. For wired
sensors, turn off the power and
check the wiring between the
sensor and wiring hub and ensure the wires are secured in the
correct terminals. For wireless sensors, ensure that batteries are
installed in the wireless sensor and that the wireless sensor is
set to the correct number.
communication, place your finger over the thermistor on the
right side of the sensor to increase the temperature detected.
The wireless sensor sends a signal to the thermostat when a
temperature change has occurred or every 15 minutes. The
thermostat will clear the nS message once the thermostat
detects the sensor.
page 8 of 16
Sleeping
Heat
Airflow %
Set To
Hold
Living
HEAT
Living
We
SYSTEM
AM
AUTO
FAN
MENU
MODE
Sleeping
nS
is
Airflow %
Schedule
Living
Day
Tu
AM
MENU
MODE
To check the wireless sensor
P/N 780101708 2/18 Rev A
Heat
Set To
HEAT
Living
SYSTEM
AUTO
FAN
Cool
Set To
Living
COOL
SYSTEM
AUTO
FAN
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