Install Instructions

LIAF269
7313 William Barry Blvd., North Syracuse, NY 13212
(Toll Free) 800-365-5525 (Phone) 315-233-5266 (Fax) 315-233-5276
www.icmcontrols.com
Wiring Diagram
24V SEC
PRI
LINE NEUTRALS
HUM-HXFRM-H
LINE-H
EAC-HHEAT-1
PARKPARKCOOL-H
HSI
IDM
115 VAC LINE 115 VAC NEUTRAL
C
CAP
P1 12-Pin Connections
1 = Limit switch (output)
2 = Flame sense input
3 = 24 VAC input
4 = Pressure switch (output)
5 = Rollout swicth (output)
6 = 24 VAC common
7 = Limit switch input
8 = Common
9 = Gas valve common
10 = Pressure switch (input)
11 = Rollout switch (input)
12 = Gas valve output
P2 2-Pin Connections
1 = Inducer blower
2 = Hot surface ignitor
BLOWER
P1
P2
Chasis
ground
Earth
ground
COOLING
SPEED
HEATING
SPEED
Chasis
ground
24
VAC
LIM
IN
24
COM
LIM
OUT
RO
IN
RO
OUT
PS
IN
PS
OUT
GV
GV (C)
FS GND
Gas Valve
HEAT
COOL
EAC
PARK PARK LINE
XFMR HUM
24
VAC
120 VAC
Hot
120 VAC
Neutral
Electronic
Air Cleaner
Circulator
Blower
Ignitor
(120 VAC)
Humidifier
Limit
Switches
(N.C.)
Rollout
Switches
(N.C.)
PRS
(N.O.)
Flame
Sensor
Probe
Compressor Contactor
Twinning with two
ICM2811 controls only
Legend:
Low voltage (24 VAC)
High voltage (120 VAC)
N.C. = Normally closed switch
N.O. = Normally open switch
Inducer
1211 10 9 876 5 43 21
NOC