HearthStone Stowe 8320 Owner's Manual & Installation Manual page 31

Gas-fired direct vent heater
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HearthStone Quality Home Heating Products Inc
A
S
A
IR
HUTTER
DJUSTMENTS
The air shutter is adjustable while the stove
is burning. Loosen the adjusting nut located
on the lower right hand corner of the right
side of the stove while the stove is cool.
After loosening the nut, light the stove and
allow
the
stove
temperature. Loosen the slider set screw,
make adjustment and tighten screw.
Moving the slider toward the front of the
stove increases the air and moving the slider
toward the back of the stove decreases the
air. Let the stove cool and tighten the nut.
The air shutter is factory set and only a
qualified
gas
technician
adjustments.
¦
W
:
The control has an antilock
ARNING
device. After shutting off the gas flow,
the pilot burner cannot be relit until the
thermocouple has cooled, allowing the
electromagnet to be released (approx. 60
sec.). The gas control knob is designed
to be operated by hand. Never use any
tools during this operation. If the knob
will not push in or turn by hand, don't
try to repair it. Call a qualified service
technician. Damaged knobs may result
in fire, explosion, or serious injury.
P
A
ILOT
DJUSTMENT
The pilot light is preset by the manufacturer
and should not need adjustment.
light flame should be large enough to engulf
the thermopile and thermocouple located
next to the pilot, but not so large as to create
excessive noise or consume excessive gas.
(Refer to figure 12) However, it can be
adjusted by means of the pilot light
adjustment screw located on the gas control
valve. Open the valve door to access the
pilot adjustment screw. Note that the pilot
flame must engulf the thermopile so that the
thermopile can generate sufficient
to
heat
to
normal
should
make
The pilot
STOWE Gas-Fired Direct Vent heater
milli-voltage (325 to 750-mv) to power the
milli-volt gas control valve. The flame on
the pilot should look like Figure 12.
Controlling the Stowe by the wall-mounted
thermostat may become erratic, nonexistent,
or the unit may go out, if the pilot flame is
too small or misdirected away from the
thermopile.
F
12 P
A
IGURE
ILOT
DJUSTMENT
¦
W
ARNING
The control has an interlock device. If the
stove has been lit, it will not relight
immediately. After shutting off all gas flow,
the pilot burner cannot be relit until the
thermocouple
has
electromagnet to be released (Approx. 60
sec.). The gas control knob is designed to
be operated by hand. Do not use any tools
during this operation.
B
F
URNER
LAME
Once the unit is lit, observe the flame
pattern and adjust as necessary. Also, a
periodic visual check of the burner flame
should be performed. The burner flames can
be adjusted by means of the air shutter. To
determine
if
the
31
cooled,
allowing
the
A
PPEARANCE
burner
flame
needs

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