Operating instructions

107

NOTE: If a remote sensor is used, it must be

plugged into the P4 (white) connector.

Improper connections can cause

component damage.

2. ONE ROOFTOP AIR CONDITIONER PLUS ONE

GAS FURNACE

To configure one rooftop air conditioner plus one

gas furnace, all Dip switches are "OFF" and the

freeze control is plugged into the proper connector

(blue) 115VAC, 12VDC. Two thermostat wires

from the furnace and telephone cable communica-

tions line are properly connected to the air condi-

tioner electronic control box.

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 and

furnace. Comfort control may

serve as a room temperature

sensor, or a remote sensor may

be used.