Honeywell CT70 - Manual (Page 22)

22
YORK/BORG WARNER
! This terminal must be connected to transformer common.
# Remove factory-installed jumper.
Wiring
terminal
function
Existing
thermostat
wiring
New
thermostat
wiring
COMMON
POWER
1 ST STG.
HEAT
AUX. HEAT
FAN
1 ST STG.
COOL
C/O VALVE
HEAT
C/O VALVE
COOL
SYSTEM
MONITOR
EM. HEAT
X2 X
R R
W1 W1
G G
Y1 Y1
2
1
B
W2 W2
O
L
E E
or B