Install Instructions

LIAF270
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
120 VOLT NEUTRALS
T1 T3
T2 T4 T5
HEAT OFF DELAY
60 90 120 180
COOL OFF DELAY
45 2
LED1
HUM
XFRM
LINE
EAC
HEAT
PARK
FAN
COOL
PARK
120 VOLT HOT
120 VOLT HOT
FS
ICM2813
24V
ONLY
HUM
L2
L1
NEUTRAL
LINE
INDUCED
DRAFT
MOTOR
NEUTRAL
LINE
24V SEC
PRI
GND
HSI
BLOWER
MOTOR
BRN
BRN
GRN/YEL
CAP-1
Cool Speed
Heat Speed
Continuous Fan
Flame Sensor
P1 P2
Neutral
P1 Plug Pin Out
1 = High limit output
2 = N/A
3 = 24 VAC
4 = N/A
5 = Rollout switch 1
6 = 24 VAC common
7 = High limit input
8 = Ground
9 = Main valve common
10 = Pressure switch
11 = Rollout switch 2
12 = Main valve
P2 Plug Pin Out
1 = Inducer Blower
2 = Hot Surface Ignitor
3 = Neutral
4 = Neutral
Chasis
ground
Earth
ground
PIN 11
PIN 10
PIN 9
PIN 7 PIN 8 PIN 5 PIN 6 PIN 3 PIN 4 PIN 1 PIN 2
Legend
EAC = Electronic air
cleaner
FS = Flame sensor
GND = Ground
HSI = Hot surface
ignitor
HUM = Humidifier
LS = Limit switch
PRI = Primary
PRS = Pressure switch
RS = Rollout switch
SEC = Secondary
XFRM = Transformer
24V SEC
PRI
GND
121110987654321
PRS
NOC
RS 1
Chasis
GND
GAS
VALVE
LS
Primary
RS 2
LS 2 LS 2