8
2.
Set thermostat above room temperature to begin blower
operation. A slight delay will occur before the blower comes on.
Allow blower to run for 1 minute for combustion chamber purge
cycle. If blower does not come on or stops before ignition cycle,
shut down unit and contact your dealer or a local recreational
vehicle service agency.
3.
After 1 minute, the blower may not be running at this time, move
thermostat lever below room temperature. Wait approximately 2
minutes for blower to go off.
4.
Open manual shut-off valve (if so equipped) or the valve at the
outside LP tank. Correct operation characteristics depend on the
valve being positioned fully open. Never attempt to operate with a
valve partially closed. Turn shut-
off switch to “ON” position.
5.
Set thermostat lever to desired setting. If set above room
temperature, blower will come on.
6.
Allow 30 seconds for main burner to light after blower comes on.
This furnace is equipped with an ignition device which
automatically lights the burner. DO NOT try to light the burner by
hand.
7.
If burner does not light, repeat Steps 1 through 5.
8.
If after three (3) attempts with no ignition, shut down the unit and
contact your dealer or a local recreational vehicle service agency.
Do not continue to cycle furnace through thermostat in an attempt
to get ignition.
TO SHUT DOWN UNIT
1.
Set the thermostat to lowest
setting, move lever to “OFF” position.
2.
Turn manual shut off valve (if so equipped) to t
he “OFF” position.
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 lookout requires resetting
of the thermostat or turning the power switch off, then back on.
STANDARD 3 TRIES FOR IGNITION CONTROLS
DIAGNOSTIC CHART
FAULT
LED INDICATION
LOCKOUT
Internal Circuit Board
Failure
Steady On, No Flashing
Hard
Limit Switch/Airflow
Problems
1-Flash With 3-Second
Pause
Soft
Flame Sense Fault
2-Flashes With 3-Second
Pause
Hard
Ignition Lockout Fault
3-Flashes With 3-Second
Pause
Soft (1hr.
retry)
WIRING AND LADDER DIAGRAM
