Test Run; Grille (Option) Installation; Pumping Down - Mitsubishi Electric MLZ-KA25VA Manual De Instrucciones

• Do not operate the unit for long periods at places such as building un-
der construction. This may cause dust or odor to adhere to the unit.
• Perform test run with the attendance of user, as much as possible.
1) Press the E.O. SW once for COOL, and twice for HEAT operation.
Test run will be performed for 30 minutes. If the left lamp of the op-
eration indicator blinks every 0.5 seconds, inspect the indoor/outdoor
unit connecting wire (D) for mis-wiring. After the test run, emergency
mode (set temperature 24ºC) will start.
2) To stop operation, press the E.O. SW several times until all LED
lamps turn off. Refer to operating instructions for details.
Checking the remote (infrared) signal reception
Press the ON/OFF button on the remote controller (8) and check that
an electronic sound is heard from the indoor unit. Press the ON/OFF
button again to turn the air conditioner off.
• Once the compressor stops, the restart preventive device operates
so the compressor will not operate for 3 minutes to protect the air
conditioner.
Water drainage check
1) Fill the drainage pan with about 0.5 liters of water. (Don't pour water
directly into the drain pump.)
2) Make a test run of the unit (in Cooling mode).
3) Check for water drainage at the outlet of the drainage pipe.
4) Stop the test run. (Don't forget to turn off the power.)
This product is equipped with an auto restart function. When the power
supply is stopped during operation, such as during blackouts, the func-
tion automatically starts operation in the previous setting once the pow-
er supply is resumed. (Refer to the operating instructions for details.)
• Using the OPERATING INSTRUCTIONS, explain to the user how
to use the air conditioner (how to use the remote controller, how to
the remote controller holder, how to clean, precautions for operation,
etc.)
• Recommend the user to read the OPERATING INSTRUCTIONS
carefully.

5. GRILLE (OPTION) INSTALLATION

Refer to the procedures indicated in the installation manual of the Grille (option).

6. PUMPING DOWN

Refer to the procedures indicated in the installation manual of the outdoor unit.
When pumping down the refrigerant, stop the compressor before disconnecting
the refrigerant pipes. The compressor may burst if air etc. get into it.
WARNING
E.O. Emergency
SW operation switch
(E.O. SW)
Emergency
E.O.
operation switch
SW
(E.O. SW)
Water bottle
Caution:
• After test run or remote signal reception check, turn off the unit
with the E.O. SW or the remote controller before turning off the
power supply. Not doing so will cause the unit to start operation
automatically when power supply is resumed.
To the user
• After installing the unit, make sure to explain the user about auto
restart function.
• If auto restart function is unnecessary, it can be deactivated. Con-
sult the service representative to deactivate the function. Refer to
the service manual for details.
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