830CA: Installation, Start–Up, Operating and Service and Maintenance Instructions
Manufacturer reserves the right to change, at any time, specifications and designs without notice and without obligations.
16
5. Connect line voltage leads, see
.
6. Reinstall cover to J-Box. Do not pinch wires between cover and
bracket.
BX Cable Installation in Furnace J-Box
1. Remove cover from J-Box.
2. Route BX cable into 7/8-inch diameter hole in J-Box.
3. Secure BX cable to J-Box bracket with connectors approved for the
type of cable used.
4. Secure field ground wire to green ground screw on J-Box bracket.
5. Connect line voltage leads, see
.
6. Reinstall cover to J-Box. Do not pinch wires between cover and
bracket.
A10141
Fig. 24 – Field-Supplied Electrical Box on Furnace Casing
24-V WIRING
Make field 24-v connections at the 24-v terminal strip, see
Connect terminal Y as shown in
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) using 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
.
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 humidifier (if
used) to the 1/4-in male quick-connect HUM terminal and
COM-24V screw terminal on the control board thermostat strip, see
NOTE:
DO NOT connect furnace control HUM terminal to HUM
(humidifier) terminal on Thermidistat
™
, Zone Controller or similar
device. See Thermidistat, Zone Controller, thermostat, or controller
manufacturer’s instructions for proper connection.
A190350
Fig. 25 – Furnace Control
24-V THERMOSTAT
TERMINALS
PL2
–
HOT SURFACE
IGNITER & INDUCER
MOTOR CONNECTOR
115-VAC (L2) NEUTRAL
CONNECTIONS
115-VAC (L1) LINE
VOLTAGE CONNECTIONS
EAC-1 TERMINAL
(115-VAC 1.0 AMP MAX.)
PL1
–
LOW VOLTAGE MAIN
HARNESS CONNECTOR
PL3
–
ECM BLOWER
HARNESS
CONNECTOR
TRANSFORMER 24-VAC
CONNECTIONS
3-AMP FUSE
STATUS AND COMM
LED LIGHTS
SW1 SETUP
SWITCHES AND
BLOWER OFF-
DELAY
MODEL PLUG
CONNECTOR
AIR CONDITIONING
(A/C) AIRFLOW
SETUP SWITCHES
COMMUNICATION
CONNECTOR
CONTINUOUS FAN
(CF) AIRFLOW
SETUP SWITCHES
OUTDOOR
AIR TEMP
CONNECTOR
HUMIDIFIER
TERMINAL (24-VAC
0.5 AMP MAX.
ACRDJ
–
AIR
CONDITIONING
RELAY DISABLE
JUMPER
FLASH
UPGRADE
CONNECTOR
(FACTORY
ONLY)
SW4 SETUP
SWITCHES
SOFTWARE
VERSION
PART NUMBER AND
DATE CODE WWYY
PL8 - PRESSURE
TRANSDUCER
CONNECTOR
V02 HK42FZ063WWYY