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ROUTINE MAINTENANCE
AIR FILTER
Clean the unit air intake lter at least every 300 to 350 hours of operation. Clean the lters with a mild detergent in
warm water and allow to dry thoroughly before reinstalling.
Units are to be inspected and serviced by qualied service
personnel only. Use proper protection on surrounding
property. Failure to follow this notice could result in
moderate or serious property damage.
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
NOTICE
BLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD
Inspect the indoor blower 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.
The indoor coil (evaporator coil), the outdoor coil (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 not to bend the aluminium n pack. Use
a sweeping up and down motion in the direction of the vertical aluminum n pack when pressure cleaning coils. Cover
all electrical components to protect them from water or spray. Allow the unit to dry thoroughly before reinstalling it in
the sleeve.
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.
ELECTRIC SHOCK HAZARD
WARNING
Turn off electric power before inspections,
maintenances, or service.
Extreme care must be used, if it becomes
necessary to work on equipment with power
applied.
Failure to do so could result in serious injury
or death.
ELECTRONIC / ELECTRICAL / MECHANICAL
COILS AND BASE PAN
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 elec-
trical tests. Use an air conditioning or refrigeration thermometer to check room, outdoor and coil operating tempera-
tures. Use a sling psychrometer to measure wet bulb temperatures indoors and outdoors.
Inspect the surrounding area (inside and outside) to ensure that the unit’s clearances have not been compromised or
altered.
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.