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VWF18/24ST Vented Gas Log Set
FIREPLACE DRAFT TEST
IMPoRTAnT: Fireplace Draft Test During Initial
Installation
It is critical to verify that your chimney is drafting properly
because the fireplace and gas logs function as a system.
Although MHSC goes to great lengths to design vented
gas log sets that minimize sooting, all vented log sets
will soot over time. Sooting normally appears as areas
of black powder-like substance on the logs. It is impor-
tant to periodically clean and inspect the logs per the
cleaning and servicing.
Fireplace systems that do not draft properly
can increase the amount of soot produced
by normal operation of the log set and,
in extreme cases, can cause soot to be
deposited within the room. This effect can
be a sign of a blocked chimney, a faulty vent
system or the result of negative pressure
within the home. The dealer should be able
to diagnose if a problem exists and be able
to provide a solution to improve the venting
of the fireplace.
FIREPLACE DRAFT TEST METHOD
To determine if your fireplace is drafting properly, turn
the log set on. After log set has been burning for about
10 minutes, place a match or smoke stick along the top
and sides of the fireplace opening. If the flame or smoke
is not pulled into the fireplace, then the fireplace is not
venting properly. At this point, the damper stop should
be adjusted so that the damper opening is increased. If
the problem remains after the open area of the damper
is increased, then the fireplace system should be profes-
sionally inspected to determine if your firebox/chimney is
venting properly.
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FIREPLACE DRAFT TEST / CLEANING & SERVICING
CLEANING & SERVICING
Turn off gas logs and allow to cool before
cleaning. Disconnect electrical power if
applicable before cleaning or servicing.
The log set should be cleaned at least once a year for
maximum performance.
Turn gas supply off. Allow unit to cool. Remove logs,
handling carefully by holding gently at each end. Gloves
are recommended when handling the log to prevent skin
irritation from ceramic fibers. If skin becomes irritated, wash
gently with soap and water. Refer to manual for correct log
placement. Brush each log gently with a soft bristle brush.
This will remove soot that has built up on the log set. DO
NOT USE LIQUID SOOT REMOVER ON LOGS!
To refurbish the grate, remove grate and take it outside.
Use a wire brush or sandpaper to remove any discoloration
to the grate. Paint grate with high temperature black paint
(barbecue paint). Reinstall grate after paint dries.
If embers (rock wool) have turned a rust color and become
brittle, remove old embers (rock wool) from log set. Replace
with new rock wool. Rock wool can be purchased from you
local dealer. See log placement section for placement of
embers.
Remove Soot with a Soft Bristle Brush
LG911
clean log
27D8850
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