Hearthstone Quality Home Heating Products, Inc.
BARI Model #8180
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:
If the flame at the base of the logs is completely
blue, the air shutter is possibly open too far;
If the flame is dirty (sooty) or licks the top of the
stove, the air shutter is possibly 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 setting. 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.
A
IR
S
HUTTER
A
DJUSTMENTS
The air shutter adjuster, located under the valve
access door, at the lower front of the unit, is
adjustable while the stove is burning. Under the
burner assembly, but above the valve is the air
shutter handle. It is a steel handle bent down for you
to grasp. It uses a thumb screw to lock the position
of the shutter in place.
This handle and screw will
get very hot during operation
. Loosen the thumb
screw and slide the shutter back and forth a couple
of times to understand the “throw” of the shutter.
Push the handle forward to close the air shutter. Pull
it towards you to open the air to the unit. When the
flame pattern is correct, tighten the locking nut
without turning the screw. The air shutter is factory
set and only a qualified gas technician should make
adjustments.
Note:
Very little movement is needed to
substantially change the burn and flame
patterns. Again, some conditions cannot be
corrected through air shutter adjustment; an
adjustment must be made to the gas supply
pressure. Supply line/manifold gas line pressure
adjustments must be performed by qualified
service personnel. Do not attempt to complete
any part of the installation or adjustment of this
unit unless technically qualified to do so.
P
ILOT
A
DJUSTMENT
The pilot light is preset by the manufacturer and
should not need adjustment. However, you should
perform a periodic visual check of the pilot flame.
Ensure the pilot light flame is 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 13)
. If
necessary, adjust the pilot flame by means of the
pilot light adjustment screw located on the gas
control valve
(see figure 10)
. 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 milli-voltage (325
to 500-mv) to power the gas control valve. The flame
on the pilot should look like
Figure 13
. Controlling
the Bari by the remote or 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.
Figure 13: Pilot assembly
WARNING
THE CONTROL HAS AN INTERLOCK
DEVICE. IF THE STOVE WAS JUST BURNING, IT
WILL NOT RELIGHT IMMEDIATELY. AFTER
SHUTTING OFF ALL GAS FLOW, THE PILOT
BURNER CANNOT BE RELIT UNTIL THE
THERMOCOUPLE HAS COOLED, RELEASING
THE ELECTROMAGNET (APPROX. 60 SEC.). THE
GAS CONTROL KNOB IS DESIGNED TO
OPERATE BY HAND. DO NOT USE ANY TOOLS
DURING THIS OPERATION.
B
URNER
F
LAME
A
PPEARANCE
Once the unit is lit, observe the flame pattern and
adjust as necessary. You should perform a periodic
visual check of the burner flame. The burner flames
are adjusted by means of the air shutter. To
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