International comfort products G9MVE A3 Series Installation Instructions Manual page 34

INSTALLATION INSTRUCTIONS
Figure 40 Isolation Relay for Humidifiers with Internal Power Supply
To Humidifier Leads
To Humidifier Leads
Figure 41 Example of Variable Speed Furnace Control for Variable Speed ECM Blower Motor
SW1 SETUP
SWITCHES AND
BLOWER OFF-
DELAY
COMMUNICATION
CONNECTOR
24-V THERMOSTAT
TERMINALS
STATUS AND COMM
LED LIGHTS
PL1 – LOW VOLTAGE MAIN
HARNESS CONNECTOR
3-AMP FUSE
TRANSFORMER 24-VAC
CONNECTIONS
115-VAC (L2) NEUTRAL
CONNECTIONS
34
MODEL PLUG
OUTDOOR
CONNECTOR
AIR TEMP
CONNECTOR
115-VAC (L1) LINE
VOLTAGE CONNECTIONS
Specifications subject to change without notice.
24 V
Coil
AIR CONDITIONING (A/C) &
CONTINUOUS FAN (CF)
AIRFLOW SETUP SWITCHES
PL2 – HOT SURFACE
EAC-1 TERMINAL
IGNITER & INDUCER
(115-VAC 1.0 AMP MAX.)
MOTOR CONNECTOR
Gas Furnace: (F/G)9MVE
To HUM 24 VAC Terminal
On Furnace Control Board
To Com/24V Screw Terminal
on Thermostat Strip
A11157
HUMIDIFIER
TERMINAL (24-VAC
0.5 AMP MAX.)
ACRDJ – AIR
CONDITIONING
RELAY DISABLE
JUMPER
FLASH
UPGRADE
CONNECTOR
(FACTORY
ONLY)
SOFTWARE
VERSION
440 01 4401 02
L14F003