Hearthstone Quality Home Heating Products, Inc.
Stowe Model 8321
L
IGHTING
I
NSTRUCTIONS
&
I
NITIAL
A
DJUSTMENTS
Once the Stowe is set in place, connected and
assembled as described in the Clearances To
Combustibles, Venting Components &
Configurations, Electrical Connections, And Gas
Supply and Connections sections of this manual, the
unit is almost ready to be lit for the first time. The
manufacturer tests each unit prior to shipment, so
ignition should take place without failure. However, a
number of small adjustments may be necessary to
compensate for variations in gas pressure, altitude,
and other factors particular to each installation.
V
ARIABLE
O
UTPUT
C
ONTROL
The gas control valve is equipped with a variable
output control. This control varies the rate of heat
produced by the unit by varying the gas pressure to
the pan burner. A combination of heat output and
the thermostat setting affect the length of the burn
cycle. If your stove turns on and off too often, try,
first, reducing the burn cycle by turning the HI/LOW
knob, on the control valve, to a lower setting. Using
the variable output control, the heat output of the
unit can be reduced for mild fall and spring months,
or maximized for the colder winter months. This
adjustment can be made, by the homeowner, as
necessary by turning the variable output control
knob to “HI”, “LO” or any setting in between.
A
IR
S
HUTTER
The air shutter is used to regulate the air-to-gas
combustion mixture, which in turn influences the size
and color of the flames. The air shutter is positioned
in the general location needed for the type of gas
being used, however, if the unit is not burning as
well as it should, then the air shutter may need
adjusting. The air shutter may need adjustment once
the unit has been installed to compensate for
variations in supply line pressure, restriction plate
position, altitude, gas type conversions, and other
variables.
To determine if the air shutter needs adjustment, it is
necessary to view the flame pattern with the variable
output control knob at its highest setting. Allow the
unit to operate for at least 10 minutes to allow the
entire unit to reach temperature, and for the flame
pattern to stabilize. Generally, the more air (open
shutter) in the mixture, the bluer the flame. Less air
(closed shutter) results in a more yellow flame, but
too little air will result in incomplete combustion, low
efficiency and a dirty burn. There are two simple
guidelines to aid in determining the correct flame
pattern:
1. If the flame at the base of the logs is
completely blue, the air shutter may be open
too far;
2. If the flame is dirty or licks the top of the
stove, the air shutter may be closed too far.
Some conditions cannot be corrected through air
shutter adjustment; an adjustment must be made to
the gas supply pressure or by changing the
restriction plate location. Qualified service personnel
must perform supply line/manifold gas line pressure
adjustments and restrictor plate adjustments. Do not
attempt to complete any part of the installation or
adjustment of this unit unless technically qualified to
do so.
L
IGHTING
I
NSTRUCTIONS
NOTE: The gas control knobs and the Piezo
igniter are located behind the control valve
access door, under the front of the unit.
1. STOP!
Read
the
What To Do If You Smell Gas!
Warning (on the cover of this manual).
2. Set the on/off/T’stat switch or thermostat to the
“OFF” position.
3. Unplug the blower accessory, if so equipped.
4. Push in and turn gas control knob clockwise to
“OFF”.
(If not previously lit, the knob should be
in this position.)
5. Wait (5) five minutes to clear out any gas. If you
then smell gas, STOP!
Smell all around the
appliance area for gas. Be sure to smell next to
the floor because some gases are heavier than
air and will settle on the floor. If you smell gas
immediately follow the What To Do If You
Smell Gas! warning on the cover of this Manual.
If you do not smell gas, proceed to the next step.
6. Turn gas control knob counter-clockwise to
“PILOT”.
7. Push in control knob all the way and hold in.
Immediately light the pilot with the gas lighter
(push in and “click” the piezoelectric spark
igniter button several times until lit). Continue to
hold the control knob in for about 20 seconds
after the pilot is lit. Release the knob and it will
pop back out. Pilot should remain lit. If the pilot
goes out, repeat the operation.
If knob does not pop out when released,
stop, shut off the gas supply to the heater
and immediately call a qualified service
technician or gas supplier.
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Summary of Contents for Stowe DV 8321
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