Thank you for purchasing a MITSUBISHI HEAVY INDUSTRIES, LTD. Air-Conditioner.
To get the best long-lasting performance, read and follow this User's Manual carefully
before using your air-conditioner. After reading, please store the Manual in a safe place
and refer to it for operational questions or in the event of any irregularities.
This air-conditioner is intended for domestic use.
This instruction manual contains the explanation of the heatpump air-conditioner.
That of cooling-only air-conditioner shall be referred to the same explanation , with
neglecting the information on heating-operation mode.
An alternative refrigerant (R410A) is used in this air-conditioner. When asking the
dealer for service or inspection and maintenance, explain the dealer about this matter.
Safety precautions......................................................................................................................... 2
About FAN SPEED ...................................................................................................................... 8
SLEEP operation procedure ....................................................................................................... 11
Emergency run operation............................................................................................................ 15
Operating hints ........................................................................................................................... 17
Maintenance................................................................................................................................ 17
Troubleshooting .......................................................................................................................... 19
Please remember! ....................................................................................................................... 20
Self diagnosis function ............................................................................................................... 21
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