1
Thank you very much for your purchase of this packaged air conditioning system produced
by Mitsubishi Heavy Industries. Please read through this manual before using the
product and use the product appropriately according to the instructions in the manual.
After you have read the manual, store it with the warranty certi
fi
cate in a safe place.
This Product contains
fl
uorinated greenhouse gases.
Do not vent R32 into the atmosphere: R32 is a
fl
uorinated greenhouse gas with
a Global Warming Potential (GWP) = 675.
Do not vent R410A into the atmosphere: R410A is a
fl
uorinated greenhouse gas
with a Global Warming Potential (GWP) = 2088.
Refer to a label on outdoor unit for the weight of
fl
uorinated greenhouse gas
and CO
2
equivalent.
The emission sound pressure level from each Indoor and Outdoor unit is under
70 dB(A).
1. SAFETY PRECAUTIONS
Please read these
“SAFETY PRECAUTIONS”
before starting to use
this product and use the
product appropriately
according to the
instructions.
The precautions provided
here are classified into
“ WARNING” and
“ CAUTION”. The
“ WARNING” sections
describe potentially
hazardous situations
that may lead to serious
outcomes such as death
and serious injuries if the
product is mishandled.
Note, however, that
depending on the
situation, the items listed
in the “ CAUTION”
sections do also have
the potential of causing
serious outcomes. Both
warnings and cautions
provide you important
information related to
safety ; please make sure
to observe them.
The symbols used
throughout the main text
of this manual have the
following meaning.
marks mean danger,
alarm, and caution. The
specified prohibited
item is described in the
triangle. The left mark
means “Shock hazard
alarm”.
marks mean
prohibited items. The
specified prohibited
item is described in the
circle or in the vicinage.
marks mean
compulsory action
or instruction. The
specified prohibited
item is described in
the circle. The left
mark means “Earth is
needed”.
The user’s manual
should be read
carefully.
There is information
included in the
user’s manual and/or
installation manual.
A service personnel
should be handing
this equipment with
reference to the
installation manual.
After you have read the
manual, always store it
where other users can
refer to at any time. If a
new owner takes over
the system, make sure to
pass this manual.
1. SAFETY PRECAUTIONS ..............................................................................................................................................1
2. NAMES AND FUNCTIONS OF SECTIONS ON THE R/C ............................................................................................5
3. BASIC OPERATION ......................................................................................................................................................7
4. MENU OPERATIONS ..................................................................................................................................................10
5. SETTINGS AND OPERATIONS .................................................................................................................................. 11
6. MAINTENANCE OF UNIT AND LCD ..........................................................................................................................23
7. USEFUL INFORMATION ............................................................................................................................................24
8. NOTICE OF INSPECTION DATE ................................................................................................................................24
9. MESSAGE DISPLAY ...................................................................................................................................................24
10. AFTER-SALE SERVICE............................................................................................................................................27
11. HOW TO MAINTAIN ..................................................................................................................................................27
12. TROUBLE SHOOTING .............................................................................................................................................28
13. PREPARATION OF HEATING ..................................................................................................................................28
14. AUTO RESTART <WIRED REMOTE CONTROL> ...................................................................................................28
15. INSTALLATION, RELOCATION, AND INSPECTION MAINTENANCE ...................................................................29
16. OPERATION RANGE ................................................................................................................................................29
17. DRED .........................................................................................................................................................................29
18. MAINTENANCE AND INSPECTION GUIDELINE OF MAIN PARTS OF PACKAGED AIR CONDITIONER ..........30
ENGLISH
English is Original
Please turn on the power switch 6 hours before operation to protect the air conditioner (the crank case heater is conducted and
the compressor is heated).
Also, be sure not to turn off the power switch (the crank case heater is conducted and the compressor is heated during stop of
the compressor. It protect the fault of the compressor caused by liquid refrigerant stagnation).
Note
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