MITSUBISHI ELECTRIC PRH-5 - Manual (Page 56)

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2.CAUTION FOR USE
Keep the following points in mind to safeguard against failures and breakdowns.
(1) This air conditioner does not restart within 3min.
after shut down.
(These models have a crankcase heater in the
compressor. If the air conditioner is shut down
for a short time, please do not turn the power
switch to OFF, but turn the operation switch to OFF.)
(2) If the air conditioner is shut down by a power failure,
set the operation switch to OFF. When the power is
restored, normal air conditioner operation can be
resumed.
(3) Do not stick rods or other objects through the air
outlet during operation since this may result in
equipment damage or personal injury.
Shutdown Operation
3 Minutes
3.MAINTENANCE
For superior performance and lasting durability, please do not forget to conduct
proper and regular maintenance.
3.1 Cleaning the Air Filter
Clean the air filter about once a week with a neutral cleanser and leave it to dry in a shady location. Clean
more regularly if the air filter gets very dirty.
If the filter gets blocked, air will not be sucked in properly, and the cooling effect will deteriorate. Failure to
clean the air filter may result in equipment breakdown or malfunctions.
3.2 Cleaning panels
Clean dirt off front panel as follows.
Use a household neutral cleanser such as for
dishes or vegetables. Moisten a soft cloth with
the cleanser, then wipe lightly. Next,wipe three
or four times with another soft cloth moisten
with water. Finally, wipe off all the remaining
cleanser with a soft cloth.
Moisten a soft cloth with the alcohol, then wipe
off lightly. Isopropyl alcohol is sold at stores as
reagents in small quantities.
3.3 Cleaning the Outdoor Unit Heat Exchanger
If you use your air conditioner for prolonged periods,
the outdoor heat exchanger will become dirty, impairing
its function and reducing air conditioners performance.
Consult your equipment supplier or air conditioning
contractor on how to clean the heat exchanger.
Fingermarks
Grease
Neutral
Cleanser
Heat exchanger
Heat exchanger
Note:
Alcohol is highly combustible. Take extreme
care when handling. Also, do not use paint or
adhesive thinner.
Adhesive
Paste
Isopropyl
alcohol