Operating instructions

116
ZONE 2 configuration should have Dip switch 1 (heat
strip) and 5 (ZONE 2) to ON position. The cold
(freeze) control should be plugged into P5 (blue)
connector and remote sensor plugged into P4
(white) connector on the AC power module. (Refer
to Figure "ZONE 2")
NOTE: If a remote sensor(s) is used, it must be
connected into the P4 (white) connector.
Improper connections can cause
component damage.
ZONE 2
ZONE 1
FURNACE
2 WIRES
115V AC
REAR AC
TELEPHONE CABLE
COMMUNICATIONS LINE
FURNACE
CIRCUIT
BREAKER
BOX
115V AC
FRONT A/C
DUO-THERM
COMFORT CONTROL
TELEPHONE
CABLE COMMUNI-
CATIONS
LINE
FRONT REMOTE
SENSOR *(OPTIONAL)
*Comfort control may serve as
a room temperature sensor;
or a remote sensor may be
used.
12V DC INPUT
2 WIRES
Typical installation for two
comfort zones with two rooftop
airs with heat strip and one
furnace. Two remote sensors
may be used.
REAR REMOTE
SENSOR