Lennox Hearth 1000 - Manual (Page 12)

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18.0 SPARK GAP
The gap between the spark electrode and the pilot should be 1/8” to
3/16” to produce a good spark. There should be no need to adjust this
(DO NOT ATTEMPT TO ADJUST THE GAP). If under any circumstances
the piezo electric spark fails, the pilot cannot be lit manually.
19.0 BRIEFING THE CUSTOMER
WARNING
Do not add logs or ornaments such as pine cones,
vermiculite or rock wool. Using these added items
can cause sooting.
All instructions must be left in the possession of the user for safekeeping.
Show the customer how to light and control the fire. If at all possible,
show the customer how to remove and replace the surround assembly
and glass door assembly.
After commissioning the appliance, the customer should be instructed
on the safe use of the appliance and the need for regular servicing. Fre-
quency of service depends on usage, but MUST be carried out at least
once annually. Advise that cleaning of the appliance may be achieved
when the appliance is cold using a damp cloth and mild detergent on
most surfaces.
Advise that the fireplace will emit a "newness" smell for a time after
initial commissioning and that extra ventilation may be needed during
this time.
Advise to user to never place any objects on top of the appliance or
obstruction this area in any way.
A periodic visual check of the pilot flame and the burner flame should
be carried out.
Figure 8 - Proper Spark Gap
1/8" to 3/16" Spark Gap
Adjustment to the
pilot is Not allowed