Operating instructions

108
NOTE: If a remote sensor is used, it must be
plugged into the P4 (white) connector.
Improper connections can cause
component damage.
3. ONE ROOFTOP AIR CONDITIONER WITH HEAT
STRIP PLUS ONE GAS FURNACE
To configure one rooftop air conditioner with heat
strip plus one gas furnace, turn heat strip (#1) Dip
switch to ON and all other Dip switches to OFF.
The freeze control is plugged into the proper
connector (blue). 115VAC, 12VDC, two thermo-
stat wires from the furnace and telephone cable
communications line are properly connected to the
air conditioner electronic control box.
FURNACE
FURNACE
2 WIRES
CIRCUIT
BREAKER BOX
12V DC INPUT
2 WIRES
115V AC
DUO-THERM
COMFORT CONTROL
TELEPHONE CABLE
COMMUNICATIONS LINE
Typical installation for one com-
fort zone with rooftop air, furnace
and heat strip. Comfort control
may serve as a room temperature
sensor, or a remote sensor may
be used.