Operating instructions
126
REAR REMOTE
SENSOR
ZONE 2
115V AC
REAR A/C
TELEPHONE CABLE
COMMUNICATIONS
LINE
FURNACE
2 WIRES
FURNACE
FURNACE
CIRCUIT
BREAKER
BOX
FRONT REMOTE
SENSOR *(OPTIONAL)
12V DC INPUT
2 WIRES
115V AC
FRONT A/C
DUO-THERM
COMFORT CONTROL
TELEPHONE CABLE
COMMUNICATIONS
LNE
ZONE 1
FURNACE
2 WIRES
*Comfort control may be serve as a room
temperature sensor, or a remote sensor
may be used.
Typical installation for two comfort zones
with rooftop air conditioner plus heat pump
and two furnaces.
C. THREE COMFORT ZONES
To configure three units, ZONES need to be established.
Refer to Section 2.3A and 2.3B for Zone 1 and Zone 2
configuration.
115V AC must be to ZONE 3 unit. A telephone communi-
cation line must be between ZONE 2 and ZONE 3 units.
Configure ZONE 3 unit the same as other like units,
EXCEPT for the Dip Switches. Dip Switch 4 (ZONE 3) to
ON position, and all other Dip Switches to OFF position.
D. FOUR COMFORT ZONES
To configure four units, ZONES need to be established.
Refer to Section 2.3A, 2.3B and 2.3C for Zone 1, Zone 2
and Zone 3 configuration.
115V AC must be to ZONE 4 unit. A telephone communi-
cation line must be between ZONE 3 and ZONE 4 units.
Configure ZONE 4 unit the same as other like units,
EXCEPT for the Dip Switches. Dip Switch 3 (ZONE 4) to ON
position, and all other Dip Switches to OFF position.