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onds.Oncethethermostatissatisfied,thefancontrolwil!operate
theblowerfor30additionalseconds.
SCROLL ANTI-CYCLE TIMER
Single phase scroll compressor equipped units are equipped with
an anti-cycle device which delays start of the compressor in the
event of a power interruption. This feature is to allow pressure
equalization throughout the system and to prevent possible re-
verse rotation of the scroll compressor.
11. MAINTENANCE
MONTHLY MAINTENANCE AND INSPECTION
CHECKS
Air Filters
inspect filters at least monthly and replace or clean as required.
Washable filters may be cleaned bysoaking in mild detergent and
rinsing with cold water. Replace filters with the arrows on the side
pointing in the direction of air flow. Dirty filters are the most com-
mon cause of inadequate heating or cooling performance, and of
compressor failures.
FIGURE 15 1 Normal Flame
Flame should be
stable and solid
blue.
RISK OF REDUCED EQUIPMENT LIFE
Failure to follow these Caution will result in premature
furnace component failure.
Use of excessively dirty and/or restrictive air filters may
increase furnace operating temperatures and shorten the
life of the furnace.
HEATING SEASON CHECKS (MONTHLY)
Pilot Flame
While the main burner is on, the flame should envelop the upper
part of the flame sensor.
Main Burner Flame
Flames should be stable and solid blue, (dust may cause orange
tips or they may have wisps of yellow, but they MUST not have
solid yellow tips). They should extend directly into the heat ex-
changer tubes. Main burner flame should be inspected monthly.
Using a light and mirror (as required) inspect the inside of the vent
hood and the inlet air opening in the burner compartment. Look
for soot and severe rust or corrosion and any obstructions due to
leaves, spiderwebs, etc. Clean as required.
COOLING SEASON CHECKS (MONTHLY)
Condenser Coil
Keep the condenser inlet and outlet area clean and free of leaves,
grass clippings or other debris. Grass should be kept short in front
of the condenser inlet. Shrubbery MUST be trimmed back so it is
no closer than 30 inches to unit.
Condensate Drain
Check for condensate drainage. Clean as required.
NOTE: When unit is operating in cooling mode under high humid-
ity ambient conditions, condensate can form in the burner
compartment and may drip from the front of the compartment.
This condition is NOT harmful to the unit.
ANNUAL MAINTENANCEANDINSPECTION
ELECTRICAL SHOCK HAZARD.
Failure to follow this warning could result in personal
injury, and/or death.
Turn off electric power supply at disconnect switch or
service panel before removing any access or service
panel from unit.
The annual inspection should include lubrication and cleaning as
required to ensure efficient operation of the unit. To simplify ac-
cess, remove all access panels and the top from the unit if
possible.
14
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