MITSUBISHI ELECTRIC PE-15MYC - Manual (Page 106)

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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.
4.When beginning to use air conditioner again.
Please turn on the power supply after confirming an following check is done and
abnormality is not found.
(1) It is confirmed that air inlet and outlet are not blocked.
(2) It is confirmed that the earth connection line does not come off.
The earth connection line is occasionally installed in the outdoor unit.
(3) It is confirmed that there are neither lifting , blocking , nor bending about the drain-hose.
Keep the power switch ON for more than 6hours before starting operation,
to operate the crankcase heater to drive refrigerant out of oil.
Do not turn the power supply OFF during seasons of heavy use.
Doing so can result in failure .
5.When the air conditioner is not to be used for a long time.
(1) If the air conditioner is not to be used for a long time due to a seasonal change etc.,run it for 4-5hours
with the air blowing until the inside is completely dry.
Failing to do so can result the growth of unhygienic, unhealthy mold in scattered areas throughout
the room.
(2) When it is not to be used for an extended time, keep the < power supply >turned OFF.
If the power supply is kept on, several watts or several tens of watts will be wasted.
Also, the accumulation of dust, etc., can result in fire.
Heat
exchanger
5-1 In case of failure.
(1) Never remodel the air conditioner.
Consult your dealer for any repair service.
Improper repair work can result in water leakage, electric shock, fire, etc.
(2) If the poser breaker is frequently activated, get in touch with your dealer.
Leaving the unit as it is under such conditions can result in fire or failure.
(3) If the refrigeration gas blows out or leaks, stop the operation of the air conditioner.
(4) Thoroughly ventilate the room, and contact your dealer.
Leaving the unit as it is can result in accidents due to oxygen deficiency.
6.Transferring work, and construction
6-1 Transfer of installation.
(1) When removing and reinstalling the air conditioner when you enlarge your home, remodel, or move,
consult with your dealer in advance to ascertain the cost of the professional engineering work required
for transferring the installation.
(2) Please do not mix the one other than a specified refrigerant when you add the refrigerant (R-22) at the
installation and the transferring.
(3) When moving or reinstalling the air conditioner, consult with your dealer.
Defective installation can result in electric shock, fire, etc.