Mitsubishi Electric MSZ-HJ25A Installation Manual

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INSTALLATION MANUAL

1. BEFORE INSTALLATION

1-1. THE FOLLOWING SHOULD ALWAYS BE OBSERVED FOR SAFETY
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■ Do not install the unit by yourself (user).
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■ Perform the installation securely referring to the installation
manual.
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■ When installing the unit, use appropriate protective equip-
ment and tools for safety.
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■ Install the unit securely in a place which can bear the weight
of the unit.
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rienced electrician, according to the installation manual.
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electrical appliances to the circuit.
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■ Earth the unit correctly.
Do not connect the earth to a gas pipe, water pipe, lightning rod,
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with parts or screws.
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■ Be sure to cut off the main power in case of setting up the
indoor P.C. board or wiring works.
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block connecting sections so the stress of the wires is not
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intermediate connection.
■ Install an earth leakage breaker depending on the installa-
tion place.
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installation manual.
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1-2. SELECTING THE INSTALLATION LOCATION

INDOOR UNIT
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incandescent lights.
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REMOTE CONTROLLER
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a pillar or wall and install wireless remote controller.

1-3. SPECIFICATIONS

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,QGRRU XQLW Outdoor unit
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power switch is shut off, it must interrupt all phases.)
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Model names are indicated in 1-3.
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installation manual of the multi unit for
outdoor unit installation.
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leak.
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outlet.
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installation work.
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■ When plugging the power supply plug into the outlet, make
sure that there is no dust, clogging, or loose parts in both
the outlet and the plug. Make sure that the power supply
plug is pushed completely into the outlet.
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■ Attach the electrical cover to the indoor unit and the service
panel to the outdoor unit securely.
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■ When installing, relocating, or servicing the unit, make
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(R410A) enters the refrigerant circuit.
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worst case, this could lead to a serious impediment to securing
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unit.
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the unit legs.
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length less than 7 m.)
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ing wire
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Required Tools for Installation
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65 mm hole saw &KDUJH KRVH IRU 5$
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■ Do not discharge the refrigerant into the atmosphere. If
refrigerant leaks during installation, ventilate the room.
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■ Check that the refrigerant gas does not leak after installation
has been completed.
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propriate tools or materials and incomplete installation could cause
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■ When pumping down the refrigerant, stop the compressor
before disconnecting the refrigerant pipes.
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■ When installing the unit, securely connect the refrigerant
pipes before starting the compressor.
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manual.
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■ The unit shall be installed in accordance with national wiring
regulations.
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its air inlet side facing the wall.
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age, waste water.
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Pipe size
Pipe length and height difference
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20 m
12 m
10
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8 mm