Mendota SEABROOK D-30, Installation & Operating Instructions Manual

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29
TROUBLE SHOOTING MENDOTA GAS FIREPLACE INSERT
SYMPTOM PROBABLE CAUSES CORRECTIVE ACTION
1. Thin black coating [soot]
forms on viewing glass.
A. Incorrect gas pressure
B. Not enough combustion air Have gas supplier check for correct gas pressure [7" W.C.
Nat. Gas; 11" W.C. LP Gas].
If sooting continues open-air shutter on burner [see "Gas
Flame Adjustment" below]. If sooting still continues, call a
Mendota dealer.
NOTE: To clean glass - remove glass and wipe glass with
cloth or paper towel.
2. Humming or whistling
coming from Fireplace In-
sert.
A. Normal operating noise.
Some noise is normal. It is caused by the gas supply flow-
ing through the gas orifice. It is expected from any gas
fireplace. The noise can be reduced by turning the Hi/Lo
Knob on the control. Turning down the flame will reduce
the heat output of the Insert.
3. A change in flame appear-
ance or burner operation.
A. A change in gas pressure.
B. Carbon dirt or lint. Have your gas supplier check for correct gas 7" W.C. Nat.
Gas; 11" W.C. LP Gas]. If flame still needs adjustment see
"Flame Adjustment" below.
Clean out carbon, spider webs, lint, etc. from shutter area.
NEVER BLOCK AIR INTAKE OR OUTLET VENTS.
GAS FLAME ADJUSTMENT
FIGURE 17: Air Shutter Adjustment
During the initial installation, a qualified person should check the air shutter opening to make certain that the shutter is
set correctly at 1/8" to 1/4" open for natural gas and full open for L.P. gas. NOTE: For altitudes above 5,000 ft.,
some variations may be required. Furthermore, deration of gas input may be required. Contact your gas supplier for
appropriate information on derating this appliance for high altitude installations.
Be sure burner and logs are properly installed (see pgs. 20-24). After burner has been properly installed and operated
for 2-3 hours, small additional adjustments to the air shutter may be necessary for final flame appearance. These
small shutter adjustments can be made by the following procedure:
[
NOTE: Very small changes in shutter settings make major changes in flame appearance.]
1. Air shutter control is located behind the lower grill.
2. If flame is too "blue," push air shutter knob in (close) in small 1/8" increments until flame turns desired realistic
"orange."
3. If flame is too "orange" or is causing sooting on viewing glass, pull air shutter knob out (open) in approx. 1/8"
increments until sooting stops. IF SOOTING DOES NOT STOP, TURN OFF UNIT AND CALL YOUR
MENDOTA SERVICE PERSON.
IMPORTANT:
Try each new shutter setting approx. ½ hr. before making additional changes. NOTE: Changes in front
burner flame can be made by re-arranging the coals. (See pg. 20)
CAUTION: Any changes in pilot flame must be made by qualified person and checked with volt meter.