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TO SHUT DOWN
Set the thermostat to lowest setting, then move lever to "OFF"
1.
position.
Turn manual shut off valve (if so equipped) to the "OFF" position.
2.
Do not force.
IGNITION CONTROL DIAGNOSTIC CODES
The following charts give the diagnostic codes given by the ignition
control when faults are present.
A soft lockout is a condition that is timed and will make additional
attempts to correct the problem. A hard lockout requires resetting
of the thermostat or turning the power switch off, then back on.
WIRING DIAGRAMS
LIMIT SWITCH N.C.
R
VALVE
BL
BK
16 AWG 105°C THERMOPLASTIC WIRING
14 AWG 105°C THERMOPLASTIC WIRING
16/30 200°C RADIX (SIL-A-BLEND) 18 AWG WIRE
CONNECTOR NOT USED
SAIL SWITCH
BL
N.O.
BL
BL
IGNITION CONTROL
R
1
BK
Y
R
ELECTRODE
CODE
COLOR
BK
O
ORANGE
BK
BLACK
R
BR
BROWN
MOTOR
BL
BLUE
R
Y
YELLOW
G
GREEN
W
WHITE
ALL WIRES ARE 18 AWG UNLESS OTHERWISE
SPECIFIED
NOTE: IF ANY OF THE ORIGINAL WIRES AS
SUPPLIED WITH THE APPLIANCE MUST BE
REPLACED, IT MUST BE REPLACE WITH WIRING
MATERIAL HAVING A TEMPERATURE RATING OF
AT LEAST 105°C
AFLD35, AFLD40 WIRING AND LADDER DIAGRAMS
Standard 3 tries for Ignition Controls
DIAGNOSTIC CHART
FAULT
Internal Circuit Board
Failure
Limit Switch/Airflow
Problems
Flame Sense Fault
Ignition Lockout Fault
PWR
BLO
RED
9
LED INDICATION
Steady On, No Flashing
1-Flash With 3-Second
Pause
2-Flashes With 3-Second
Pause
3-Flashes With 3-Second
Pause
SAIL SWITCH
LIMIT SWITCH
N.C.
THERMOSTAT
FIELD
SUPPLIED
WIRE
SWITCH/BREAKER
12 VOLTS DC
CAUTION: DO NOT HI-POT (DIELECTRIC HIGH VOLTAGE
TEST) THIS UNIT AFTER INSTALLATION. TO DO SO MAY
CAUSE COMPONENT DAMAGE AND VOIDS WARRANTY
OF FURNACE. UNIT 100% FIRE CHECKED.
LOCKOUT
Hard
Soft
Hard
Soft
(after 1
hour)
VALVE
4
3
1
2
MOTOR
IGNITION
CONTROL
BLO
TH
GND
V1
AIR
PWR
HV
ELECTRODE
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