INSTALLATION & OPERATIONAL SSHLV MANUAL
L20-407 rev.5 (06/19)
29
10.4.
SELF CLEANING BURNER SYSTEM
If your appliance is equipped with the self cleaning burner system, the appliance should behave as
outlined in the table below. A cleaning cycle will execute every time the appliance is turned “ON” from
an “OFF” state. The thermal cut out switch is designed to disable the appliance if the Self Cleaning
Burner System malfunctions and remains activated for an extended period or if there is a downdraft
into the flue or a blocked flue situation.
10.5.
RESETTING THE SELF CLEANING BURNER ROLL OUT SWITCH
1. Turn the appliance off and allow ample time for the appliance to cool to room temperature.
2. Press the SCBS roll out switch reset button. The reset button is located behind the door at
the top of the main burners.
3. The SCBS roll out switch is now reset and ready for startup.
4. If the SCBS roll out switch continues to trip, have the appliance inspected by an Authorized
Professional.
Event
Duration
Indication
Turn appliance “ON”
N/A
Control Illuminates, pilot sparks and ignites. Pre-Purge
pulse is initiated.
Pre-Purge Pulse
2 seconds
Appliance operates briefly and stops. Pilot remains lit.
Interwaiting period 1
5 seconds
Appliance does not operate. Pilot remains lit.
Cleaning Pulse
6 seconds
Main valve operates, lighting main burners. SCBS valve
operates, feeding gas to the SCBS Arm. The SCBS arm
ignites, initiating a brief burn at the main burner orifice of
each burner.
Interwaiting period 2
8 seconds
The Main and SCBS valves de-energize for this period.
The pilot remains lit.
Normal operation
resumes
N/A
The appliance operates normally and begins to heat up.
The SCBS Valve remains de-energized until power to
the appliance is recycled. There is no flame on the
SCBS Arm. There is no burn at the main burner orifices.
* If flame sense on the pilot is lost during the SCB cycle, the SCB cycle will start over.
