17
HEIL QUAKER/WHIRLPOOL/TEMPSTAR! 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
1ST STG.
HEAT
AUX. HEAT
FAN
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
EM. HEAT
BX
R R
W W2
G G
O O
1
L
X E
B B
Y Y1
W1
2
Cor