Operating instructions

122
NOTE: If a remote sensor(s) is used, it must be
connected into the P4 (white) connector.
ZONE 1
ZONE 2
Improper connections can cause
component damage.
115V AC
REAR A/C
CIRCUIT
BREAKER
BOX
TELEPHONE CABLE
COMMUNICATIONS LINE
115V AC
FRONT A/C
FRONT REMOTE SENSOR *
*Comfort control may serve as a room
temperature sensor, or a remote sensor
may be used.
FRONT BASEMENT AIR
ZONE 1
FURNACE
2 WIRES
FURNACE
AC CONTROL BOX
TELEPHONE CABLE
COMMUNICATIONS LINE
Typical installation for two comfort zones
with two basement heat pumps and one
furnace.
REAR BASEMENT AIR
ZONE 2
DUO-THERM
COMFORT
CONTROL
REAR REMOTE
SENSOR
12V DC INPUT
2 WIRES