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External Vents
Always be sure these vents are clear of any objects like screens,
duct tape, etc.
Ducting
Wall or floor registers, and return air grills MUST be kept clear of
any obstructions. Any such restrictions will prevent the furnace from
correct operation. Closeable registers will reduce air flow. NEVER
shut them off completely, possibly causing furnace to limit out and
shut down. All 90 degree turns in duct tubes, reduce air flow.
NOTE: During initial firing of this furnace, a burn-off of excess paint
and oils remaining from the manufacturing process may cause
"smoking" for five to ten minutes. Your selling dealer may have
already performed this function.
Gas pressure, as defined in Chapter Four - Systems, is extremely
important. A dial gauge or U-tube manometer is required to perform
tests and adjustments. Pressure must be set at 11 inches w.c.
(water column) plus or minus 1/2 inch. Incorrect gas pressure can
cause any appliance to operate inconsistently and cause poor
combustion. Only qualified technicians with proper equipment
should make any mechanical adjustments.
Voltage must be between 10.5 volts to 13.5 volts at the furnace
during operation. Below 10.5 volts the furnace will shut down. Both
high and low voltage places excessive wear on the motor and
brushes.
Any mechanical adjustments, such as electrode adjustments, should
be performed by a qualified service technician.
Furnace will consume more propane than any other appliance.
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