13
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
XL
E E
W2or
Lor
X,X1 or