Honeywell CT70 - Manual (Page 16)

16
FRIEDRICH
! This terminal must be connected to transformer common.
# Leave factory-installed jumper in place.
$ Tape off the end of the wire. Jumper is not required on this
thermostat (CT70).
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
W1
W2 W2
G G
2
X
1
X2 E
1
R
Y Y1
W1
B B
U
3
RC RH or
C
Y1 O
L L
or
X1 X or or
Y2
E
O
W3
or
or
or