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ARCOAIRE/SNYDER GENERAL/COMFORTMAKER
! This terminal must be connected to transformer common.
# Leave factory-installed jumper in place.
Wiring
terminal
function
Existing
thermostat
wiring
New
thermostat
wiring
COMMON
POWER
COMPRESSOR
1
ST
STG.
HEAT
AUX. HEAT
FAN
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
EM. HEAT
C X
R R
Y Y1
W1
W1 W2
G G
O O
B
1
2
1
X
L
E E
W2
or
L
or
X,X1
or