24- -V Wiring; Accessories - Bryant 830CA Installation, Start--Up, Operating, And Service And Maintenance

Fig. 22 - - Field- -Supplied Electrical Box on Furnace Casing

24- -V WIRING

Make field 24- -v connections at the 24- -v terminal strip. (See Fig. 24)
Connect terminal Y as shown in Fig. 45 for proper cooling
operation. Use only AWG No. 18, color- -coded, copper thermostat
wire.
The 24- -v circuit contains an automotive- -type, 3- -amp. fuse located
on the control. Any direct shorts during installation, service, or
maintenance could cause this fuse to blow. If fuse replacement is
required, use ONLY a 3- -amp. fuse of identical size.

ACCESSORIES

1. Electronic Air Cleaner (EAC)
Connect an accessory Electronic Air Cleaner (if used) us-
ing 1/4- -in female quick connect terminals to the two male
1/4- -in quick- -connect terminals on the control board
marked EAC- -1 and EAC- -2. The terminals are rated for
115VAC, 1.0 amps maximum and are energized during
blower motor operation. (See Fig. 23)
2. Humidifier (HUM)
The HUM terminal is a 24 VAC output, energized when
the blower is operating during a call for heat.
Connect an accessory 24 VAC, 0.5 amp. maximum hu-
midifier (if used) to the 1/4- -in male quick- -connect HUM
terminal and COM- -24V screw terminal on the control
board thermostat strip. (See Fig. 23)
NOTE: DO NOT connect furnace control HUM terminal to
HUM (humidifier) terminal on Thermidistatt, Zone Controller
or similar device. See Thermidistat, Zone Controller, thermostat,
or controller manufacturer's instructions for proper connection.
A10141
Fig. 23 - - Furnace Control
17
A190350