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SERVICE HINTS
4. Burn with the air control open for several minutes
at numerous intervals throughout the day, being
careful not to over fire the unit. Following this pro-
cess will help to warm the chimney and reduce the
amount of creosote forming condensation within the
chimney.
5. Establish a routine for the handling of fuel, firing,
and operating the stove. Check daily for creosote
build up until experience shows how often you need
to clean for safe operation. Be aware that the hotter
the fire, the less creosote is deposited and weekly
cleanings may be necessary in mild weather even
though monthly cleanings may be enough in the
colder months.
WARNING: IN CASE OF CHIMNEY FIRE
(1) CLOSE AIR INLET CONTROL AND FLUE
PIPE DAMPER. (2) GET OUT OF THE HOUSE
(3) CALL THE FIRE DEPARTMENT.
Chimney Draft
The chimney is critical to the proper operation of
the stove. It is the chimney that creates draft; THE
STOVE DOES NOT AND CANNOT CREATE DRAFT.
The chimney provides two vital functions for proper
stove operation. First, it is the passage to exhaust
smoke and hot gases created in the combustion pro-
cess. Secondly, it supplies the draft (or pressure) to
bring oxygen to the fire to sustain combustion. Draft is
the natural movement of air or gases through a chimney.
Chimney draft comes from the natural tendency for
hot (less dense) air to rise. As the hot air rises within
the chimney it creates a lower pressure at the bottom
of the chimney to which the stove is connected. The
higher pressure air outside the stove then rushes into
the stove where the lower air pressure level exists, thus
bringing oxygen to the fire. This constant flow of air is
referred to as the draft. Many factors or combination
of factors can act together to build or impede the draft.
Without the correct amount of draft, the stove will not
operate properly.
If there is excessive draft, an unsafe condition will
arise with too much air being drawn into the stove and
creating an excessively hot fire. This could cause over
firing which runs the risk of igniting structural elements
around the stove and chimney.
The most common experience is that of insufficient
draft. Under insufficient draft conditions, the fire will be
starved for oxygen, improper or incomplete combustion
occurs resulting in smoke spillage into the area around
the stove. A fire that is starved for oxygen will not burn
well. Such a fire will produce excessive smoke that will
cool and condense in the chimney creating creosote.
Excessive amounts of creosote buildup can ignite
causing a chimney fire with the possibility of structural
elements igniting as well.
Page 16
/ VG810CL SENTRY COAL™
Correct any draft related issues before using the
stove. Please note that one or more factors may play
a role in a draft issue and certain factors may change
over time as conditions vary.
NOTE: A DRAFT READING OF 0.05 TO 0.06 W.C.
(WATER COLUMN) IS REQUIRED FOR PROPER
BURNING OF THIS STOVE. THE MAXIMUM FLUE
COLLAR DRAFT SHOULD NOT EXCEED 0.06
W.C.
Door Gasket Replacement
CAUTION: DO NOT OPERATE A STOVE THAT IS
MISSING DOOR GASKET MATERIAL. OVER FIR-
ING AND UNSAFE OPERATING CONDITIONS
MAY RESULT.
Procedure:
1. Ensure appliance is not in operation and is thor-
oughly cooled.
2. Remove old door gasket and clean channel.
3. Using an approved, high temperature gasket
cement, apply a thin coat in bottom of channel.
4. Starting at hinge side of door, work gasket into
channel around door unit, end butt and trim to
length.
5. Close door and allow three to four hours for cement
to set before firing appliance.
VGZ-011 / 20120105.0
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