17
A10141
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 Thermidistat
t
, Zone Controller
or similar device. See Thermidistat, Zone Controller, thermostat,
or controller manufacturer’s instructions for proper connection.
A190350
Fig. 23 -- Furnace Control
Содержание 58CU0A Series
Страница 22: ...22 A180242 Fig 31 Chimney Inspection Chart ...
Страница 26: ...26 Table 10 Furnace Setup Switch Description A190351 ...
Страница 27: ...27 A190348 Fig 38 Service Label ...
Страница 43: ...43 A190249 Fig 45 Wiring Diagram ...