21 69-1081—3

WIRING DIAGRAMS

See Table 1 on page 8 for additional wiring assistance.

Typical hookup of CT3611 with isolated

stage-one heating and cooling connections.

1POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
NEVER ATTACH WIRES TO BOTH THE O AND B TERMINALS. SEE WIR
E
WALLPLATE TERMINALS SECTION FOR MORE DETAILS.
2
2
1
THERMOSTAT
B
RW2
LC
EW1YOG
M15110
B
L2
L1
(HOT)
HEAT
CHANGEOVER
VALVE
EQUIPMENT
MONITOR
AUX. HT.
RELAY
COOL
CHANGEOVER
VALVE
FAN
RELAY EM.
HEAT
RELAY
1ST STAGE
HEAT RELAY
COMPRESSOR
RELAY
2

Typical hookup of CT3611.

1
2
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND
OVERLOAD PROTECTION AS REQUIRED.
2LEAVE FACTORY INSTALLED JUMPER IN PLACE.
1
THERMOSTAT
B
RW2
LC
EW1
YOG
M15113A
L2
L1
(HOT)
HEAT
CHANGEOVER
VALVE
EQUIPMENT
MONITOR
AUX. HT.
RELAY
COOL
CHANGEOVER
VALVE
FAN
RELAY EM.
HEAT
RELAY
COMPRESSOR
RELAY

69-1081.fm Page 21 Wednesday, May 18, 2005 9:03 AM