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ROUTINE MAINTENANCE
COILS AND BASE PAN
The indoor coil (evaporator coil), the outdoor coil
DECORATIVE FRONT COVER
The decorative front and discharge air grille may be
cleaned with a mild soap or detergent. Do NOT use
solvents or hydrocarbon based cleaners such as
acetone, naphtha, gasoline, benzene, etc., to clean
the decorative front or air discharge grilles
Use a damp (not wet) cloth when cleaning the control
area to prevent water from entering unit, and possibly
damaging the electronic control.
(condenser coil) and base pan should be inspected
periodically (yearly or bi-yearly) and cleaned of all
debris (lint, dirt, leaves, paper, etc.). Clean the coils
and base pan with a soft brush and compressed air
or vacuum. If using a pressure washer, be careful
up and down motion in the direction of the vertical
Cover all electrical components to protect them from
water or spray. Allow the unit to dry thoroughly before
reinstalling it in the sleeve.
BLOWER WHEEL / HOUSING / CONDENSER FAN /
SHROUD
Inspect the indoor blower and its housing, evaporator
blade, condenser fan blade and condenser shroud
periodically (yearly or bi-yearly) and clean of all debris
(lint, dirt, mold, fungus, etc.). Clean the blower housing
area and blower wheel with an antibacterial / antifungal
cleaner. Use a biodegradable cleaning agent and
degreaser on condenser fan and condenser shroud.
Use warm or cold water when rinsing these items.
Allow all items to dry thoroughly before reinstalling
them.
ELECTRONIC / ELECTRICAL / MECHANICAL
Periodically (at least yearly or bi-yearly): inspect
all control components: electronic, electrical and
mechanical, as well as the power supply. Use proper
testing instruments (voltmeter, ohmmeter, ammeter,
wattmeter, etc.) to perform electrical tests. Use an air
conditioning or refrigeration thermometer to check
room, outdoor and coil operating temperatures. Use
an electronic tester to measure wet bulb temperatures
indoors and outdoors.
Lower front panel (See Figure 2). Use handle on filter to flex
filter up and out of retainer. Remove filter from unit (See
Figure 3). Clean filter monthly or more frequently if needed.
Clean the filters with a mild detergent in warm water and
allow to dry thoroughly before reinstalling. Refer to
accessories section for filter options.
To Remove, Wash and Replace Filter
personnel only. Use proper protection on surrounding
property. Failure to follow this notice could result in
moderate or serious property damage.
NOTICE
EXCESSIVE WEIGHT HAZARD
WARNING
Use two people to lift or carry the unit, and wear
proper protective clothing.
Failure to do so may result in personal injury.
Do not use a caustic coil cleaning agent on coils or base
pan. Use a biodegradable cleaning agent and degreaser,
to prevent damage to the coil and/or base pan.
NOTICE
ELECTRIC SHOCK HAZARD
WARNING
Turn off electric power before inspections,
maintenances, or service.
Failure to do so could result in serious injury
or death.
CUT/SEVER HAZARD
WARNING
Be careful with the sharp edges and corners.
Wear protective clothing and gloves, etc.
Failure to do so could result in serious injury.