Installation

4
1.4 Wire the thermostat.
Is the thermostat wired directly to
the equipment?
• If the thermostat is wired directly
to the equipment:
a Refer to the table and wiring
diagrams on the next page.
b Turn on 24VAC NOW.
24VAC (C wire) is required to
connect RedLINK accessories.
• If the thermostat is used with an
Equipment Interface Module or
TrueZONE Wireless Adapter,
power the thermostat using Rc
and C terminals or with batteries.
NOTE: The relay outputs and
inputs on the thermostat do
not function when used with an
Equipment Interface Module or
TrueZONE Wireless Adapter.
S1
S1
W
Y
G
W2
Y2
A
S1
S1
O/B
Y
G
AUX
-E
Y2
L/A
K
RC
R
U1
U1
U2
U2
C
CONVENTIONAL
HEAT PUMP
S1
S1
W
Y
G
W2
Y2
A
S1
S1
O/B
Y
G
AUX
-E
Y2
L/A
K
RC
R
U1
U1
U2
U2
C
CONVENTIONAL
HEAT PUMP
1.5 Remove coin cell battery tab
1.5a Remove tab to activate coin
cell battery.
NOTE: Coin cell battery saves
time and date during a power
loss.
1.6 Mount thermostat on wallplate.
Align thermostat at bottom and
snap into place as shown.
REMOVE DURING
INSTALLATION
REMOVE DURING
INSTALLATION
Thermostat
Coin
cell
battery
tab
Wallplate