Operating instructions
115
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 and one furnace. Two
remote sensors may be used.
REAR REMOTE
SENSOR
(B. Two Comfort Zones, continued)
2. TWO ROOFTOP AIR CONDITIONERS WITH
HEAT STRIP PLUS ONE FURNACE
To configure two rooftop air conditioners with heat
strip plus one gas furnace, ZONES need to be
established. For explanation purposes the front air
conditioner will be ZONE 1 and the rear air condi-
tioner will be ZONE 2. ZONES can be arranged per
the customer's wishes.
EACH unit must have 115V AC Only one unit
requires 12VDC. Telephone communications line
must be between the Comfort Control Center and
ONE unit.
Another telephone communications line must be
between the two units.
Two (2) furnace thermostat wires must be routed
to ONE unit.
For explanation purposes the 12VDC, Comfort
Control Center telephone communications line
and the two (2) furnace thermostat wires are to
ZONE 1 (front) unit.
ZONE 1 configuration should have Dip switch 1 (heat
strip) to ON position and all other Dip switches to
OFF position. The cold (freeze) control should be
plugged into P5 (blue) connector on the AC power
module. (Refer to Figure "ZONE 1")