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Idiomas disponibles
Idiomas disponibles
Power options
A
L/A
O/B
Y
W
AUX
2
Y
2
E
G
W
C
K
R
Rc
Setting Slider Tabs
Set R Slider Tab.
• Use built-in jumper (R Slider Tab)
to differentiate between one or two
transformer systems.
• If there is only one R wire, and it is
connected to the R, Rc, or RH terminal, set
the slider to the up position (1 wire).
• If there is one wire connected to the R
terminal and one wire connected to the Rc
terminal, set the slider to the down position
(2 wires).
NOTE: Slider Tabs for U terminals should be
left in place for T1 Pro models.
UWP Wiring terminal designations
Compressor contactor
Y
(stage 1)
Not used for T1
Y2
thermostat.
G
Fan Relay
24VAC common. For 2
transformer systems,
C
use common wire from
cooling transformer.
* Terminal can be jumped using Slider Tab. See "Setting Slider Tabs" above.
Insert R and C wires into
designated terminals
for primary AC power (C
terminal is optional if
batteries are installed,
but it is recommended).
Remove wires by
depressing the terminal
tabs.
L/A
- A
O/B
AUX -
W2
E
W
K
R
Rc
Not used for T1 thermostat.
Changeover Valve (TH1110D
only)
Not used for T1 thermostat.
Not used for T1 thermostat.
Heat relay (stage 1)
Not used for T1 thermostat.
24VAC power from heating
transformer*
24VAC power from cooling
transformer*
3
Insert AA
batteries for
primary or
backup power.
UWP Mounting System
R/Rc Slider Tab
(built-in jumper)
Note: Not all
terminals may be
used, depending
on the system
type that is being
wired. The most
commonly used
terminals are
shaded.
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