18-CD32D1-3
17
Installer’s Guide
ELECTRICAL CONNECTIONS
▲
CAUTION
!
Protect from Property Damage
Do NOT connect the furnace line voltage to a GFCI
protected circuit.
Failure to follow this warning could result in property
damage
NOTE:
The maximum total cable length for the entire Comfort
Control communicating system is 500 ft. 18 AWG. The
maximum distance of any single cable from a trans-
former is 250 ft. 18 AWG.
NOTE:
The BAYACCECOMM101 must be used when connect-
ing a *FD whole house air cleaner to a furnace in com-
municating mode. For 24 volt mode, see the installa-
tion in the whole house air cleaner installer's Guide.
NOTE:
The B/C terminal will requires three wires connected.
Rather than connecting the three wires to the low volt-
age terminal strip, create a pigtail using a short length
of thermostat wire and a wire nut (field supplied) to at-
tach to the B/C terminal.
NOTE: The BAYACCECOMM101 can be ordered
through the sales channels.
Make wiring connections to the unit as indicated on follow-
ing field wiring diagrams. As with all gas appliances using
electrical power, this furnace shall be connected into a per-
manently live electric circuit. It is recommended that it be
provided with a separate “circuit protection device” electric
circuit.
The furnace must be electrically grounded in accordance with
local codes or in the absence of local codes with the National
Electrical Code, ANSI/NFPA 70 “latest edition” or Canadian
Electrical Code, CSA C22.1, if an external electrical source is
utilized.
The hot leg of the 120V power supply must be connected to
the black power lead as indicated on the wiring diagram.
Provision for hooking up an Electronic Air Cleaner and/ or
Humidifier is provided on the Integrated Control.
The fur-
nace control is polarity sensitive.
All field supplied wiring must conform with the temperature
limitation for Type T wire [63° F (35° C)], when installed
in accordance with these instructions and wiring diagrams
supplied with the furnace. A disconnecting means must
be located within sight from, and readily accessible to, the
furnace.
Refer to the SERVICE FACTS literature for unit wiring dia-
grams in addition to the diagram inside the blower door.
Communicating Indoor Unit with Communicating Comfort Control and Communicating Outdoor Unit
