Operating instructions

114
B. TWO COMFORT ZONES
1. TWO ROOFTOP AIR CONDITIONERS PLUS
ONE GAS FURNACE
To configure two rooftop air conditioners plus one
gas furnace, ZONES need to be established. For
explanation 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 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 all Dip switches in
the OFF position, and the cold (freeze) control
plugged into P5 (blue) connector on the AC power
module. (Refer to Figure "ZONE 1")
ZONE 2 configuration should have Dip switch 5 (ZONE
2) in the ON position and all other Dip switches in
the OFF position. The cold (freeze) control should
be plugged into P5 (blue) connector and the re-
mote sensor plugged into P4 (white) connector on
the AC power module. (Refer to Figure "ZONE 2")
NOTE: If a remote sensor(s) is used, it must be
connected into the P4 (white) connector.
Improper connections can cause
component damage.