Honeywell CT70

20
TRANE/AMERICAN STANDARD
!
This terminal must be connected to transformer common.
# Leave factory-installed jumper in place.
$ Tape off end. CT70 replaces outdoor reset with improved zero
droop performance.
Wiring
terminal
function
Existing
thermostat
wiring
New
thermostat
wiring
COMMON
POWER
1
ST
STG.
HEAT
AUX. HEAT
FAN
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
OUTDOOR
SENSOR
OUTDOOR
STAT
B X
R R
W
W2
G G
O O
1
Y Y1
W1
B
L L
T
X2 E
1
2
3
W1
W2
F
or
or
or