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W415-0616 / C / 06.04.08
30
The products of combustion will contain small particles of fl y ash. The fl y ash will collect in the exhaust venting system and
restrict the fl ow of the fl ue gases. Incomplete combustion occurs during startup, shutdown, or incorrect operation of the
room heater will lead to some soot formation which will collect in the exhaust venting system. The exhaust venting system
should be inspected at least once every year to determine if cleaning is necessary.
NOTE: More frequent cleaning may be required depending on pellet quality.
NOTE: The heater becomes very hot during operation. Let the heater cool completely and disconnect the power
cord prior to conducting service.
SEMI-ANNUALLY (OR EVERY TWO TONS OF PELLET)
SOOT AND FLY ASH FORMATION
NPS40:
Run the heater until the pellets run out, then open the hopper and vacuum out the
entire hopper. The dust and any other debris near the bottom should be removed to
prevent excessive build-up.
VACUUM HOPPER
Figure 44
Cleaning the Optional Plated Surfaces
Fingerprints or other marks left on plated surfaces may become etched in place if they
are not wiped clean prior to turning the heater on. Wipe the gold with a non-abrasive
cleaning solvent and a soft cloth (make sure the heater is cool). Other cleaners may
leave a fi lm that may become etched into the fi nish.
3. Vacuum out the fi rebox,
louvres, air housing, burn pot
and the opening at the top of
the exhaust manifold of all fl y
ash. See Figure 42 and 43.
4. Replace the louvres and burn
pot, latch the viewing door
closed and close both side
doors.
Figure 42
Figure 43
Disconnect the power cord prior to conducting service. The following section details extensive maintenance
procedures. We strongly suggest these items be carried out by a trained service technician, possibly by a service
agreement set up with your dealer.
!
WARNING
Exhaust Manifold
Opening