Operating instructions

118
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 rooftop air
and heat pump and one
furnace. Two remote sensors
may be used.
REAR REMOTE
SENSOR
4. TWO ROOFTOP HEAT PUMPS PLUS ONE GAS
FURNACE
To configure two rooftop heat pumps plus one gas
furnace, ZONES need to be established. For explana-
tion purposes, the front unit will be ZONE 1 and the
rear unit 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 be-
tween the Comfort Control Center and ONE unit.
Another telephone communications line must be be-
tween the two units.
Two (2) furnace thermostat wires must be routed to
ONE unit.
For explanation purposes the 12VDC, Comfort Con-
trol Center telephone communications line and the two
(2) furnace thermostat wires are to ZONE 1 (front) unit.
ZONE 1 configuration should have all Dip switches to OFF
position. The cold (freeze) control is NOT used. The
P5 (blue) connector must stay open. The ambient
sensor must be plugged into the P3 (red) connector on
the AC power module. (Refer to Figure "ZONE 1")