Comfort Aire HAGV Installation Manual

GENERAL INSTALLAT ION
This instrucon covers the physical installaon of the
following electric heat kits:
(Refer to applicable air handler instrucons for
electrical specificaons)
2. Remove blower access door and control panel cover.
See wiring diagram.
Connect male plug adapter supplied with electric
1. Turn power off to unit.
3. Remove blankoff plate and discard. Retain screws.
4. For circuit breaker models, remove wiring from
terminal block.
5. Insert electric heat kit into opening on discharge of
6. Connect wiring to proper terminals on circuit breaker.
unit. Secure with screws removed from blank off plate.
right side of the cabinet.
LOW VOLTAGE CONNECTIONS
Note: Wiring diagrams in this instrucon are included as an example, consult factory for complete wiring diagrams on
all units.
9. Replace wiring diagram on control panel with wiring
installaon instrucons list the possible combinaons
and other important electrical data and limitaons.
The electric heat accessories are used for applicaons
Use the hole appropriate to the unit's orientaon in each
installaon to bring conduit from disconnect. The power
lead conduit should be terminated at the electrical
control box.
LINE POWER CONNECTIONS
Power may be brought into the unit through the kno
ckout
of cool
ing with electric heat and heat pump with electric
adhesive backed wiring diagram supplied with
10. Replace blower door.
heat. Each of the air handler unit models are approved
for use with specific electric heat accessories. The
heater kit to female plug adapter supplied with unit.
The 24 volt power supply is provided by an internally
8. Review all wiring with wiring diagram supplied with
electric heater kit.
located at the top le of the cabinet.
electric heater kit.
wired low voltage transformer which is standard on all
models. Low voltage wiring may exit the unit on the to
p
HAGV Air Handler Field Installed Electric Heat Accessory Heat Controller, Inc.
7800-305C
7800-310C
–
–
7800-305D
7800-310D
7800-315D
–
7800-305E
7800-310E
7800-315E
7800-320E
TABLE 1. MODELS COVERED
Breaker Models
208/240/1/50/60
208/240/1/50/60
208/240/1/50/60
208/240/1/50/60
1