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Keep the control compartment, logs and burner area
surrounding the logs clean by vacuuming or brushing at
least twice a year. THE LOGS CAN GET VERY HOT
— HANDLE ONLY WHEN COOL.
Always turn off gas to the pilot before cleaning. For
relighting, refer to lighting and operating instruction.
WARNING: Failure to keep the primary
air opening(s) of the burner(s) clean may
result sooting and property damage.
Pilot Control System
The burner and control system consists of:
• main burner
• gas orifice
Most of these components may require only an occa-
sional checkup and cleaning and some may require ad-
justment. If repair is necessary, it should be performed
by a qualified technician.
In order to properly clean the burner and pilot assembly,
f i r e - p a r t s . c o m
turn off the gas to the unit, remove the window frame
panel and logs exposing the burner and pilot assembly.
Clean all foreign materials from the top of the burner.
Check to make sure that burner parts are clean. Visu-
ally inspect pilot. Brush or blow away any dust or lint
accumulation If pilot orifice is plugged, disassembly
may be required to remove any foreign material from
the orifice or tubing.
10001784
Maintenance
• pilot burner
• thermostatic control
FSUV20/30 Vent Free Gas Heater
To obtain proper operation, it is imperative that the pilot
and burner's flame characteristics are steady, not lifting
or floating.
The air shutter is set at factory no adjustment should be
necessary.
It is important to periodically perform a
visual check of the pilot and the burner
flames. (Page 9, Figs. 9 & 10)
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