Honeywell CT70

21
YORK/BORG WARNER/LUXAIRE (MONCRIEF, FRASER-JOHNSTON)
! This terminal must be connected to transformer common.
# Connect multiple second stage heating loads to W2 terminals.
$ Leave factory-installed jumper in place.
% If present on original equipment.
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
MULTIPLE AUX.
HEAT LOADS
W1
W2 W2
G G
3
Y Y1
H B
W3
O O
L
L
RR
4
E E
4
2
4
or
or
X
1
X
or
X
B
W