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16
For the Installer
NO C NC I OC OL Y R G B
VE0181
SMART
SET
MODE
PREF
NO C NC I OC OL Y R G B
VE0250
6.2.1 ALTITUDE OR PLATINUM 6.2.2 DECO-TOUCH
6.2.3 LITE-TOUCH CONSTRUCTO OR LITE-TOUCH BRONZE 6.2.4 CONSTRUCTO OR BRONZE
NO C NC I OC OL Y R G B
BG
G
B
Y
VE0328A
Y
6.2.5 OPTIONAL AUXILIARY CONTROLS
NO C NC I OC OL Y R G B
VE0323
--5°C
23°F
5
°C
41
°
F
C
O
M
F
O
R
T
Z
O
N
E
-20°C
-4°F
OFF
MINMAX
#
X
X
X
X
X
0
1
/
9
8
NO C NC I OC OL Y R G B
20/40/60-MINUTE or 20-MINUTE
PUSH-BUTTON SWITCHES
(5 MAXIMUM)
60-MINUTE
CRANK TIMER
VE0089A
DEHUMIDISTAT
7. CONNECTION TO THE FURNACE
W R G
Y
W
R
G
C
Y
UNIT TERMINAL CONNECTOR
THERMOSTAT
TERMINALS
FOUR
WIRES
TWO WIRES
heating only
FURNACE
24-VOLT
TERMINAL BLOCK
TWO WIRES
COOLING SYSTEM
NO C NC I OC OL Y R G B
W R G Y
W
R
Y
R
G
Y
C
THERMOSTAT
TERMINAL
4 WIRES
2 WIRES
heating only
wiring
nuts
FURNACE
24-VOLT
TERMINAL BLOCK
2 WIRES
COOLING SYSTEM
NO
NC
C
UNIT TERMINAL CONNECTOR
NO C NC I OC OL Y R G B
VE0108A
FOR A FURNACE CONNECTED TO A COOLING SYSTEM:
On some older thermostats, energizing the “R” and “G” terminals at the furnace has the effect of energizing “Y” at the thermostat and
thereby turning on the cooling system. If you identify this type of thermostat, you must use the ALTERNATE FURNACE INTERLOCK WIRING.
STANDARD FURNACE INTERLOCK WIRING ALTERNATE FURNACE INTERLOCK WIRING
⚠ WARNING
Never connect a 120-volt AC circuit to the terminals of the furnace interlock (standard wiring). Only use the low
voltage class 2 circuit of the furnace blower control.
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