Honeywell CT70 - Manual (Page 15)

15
CARRIER
! 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
W2 W2
G G
O O
B
1
2
1
L L
E E
F
W1 or
or