4
4. OUTDOOR UNIT INSTALLATION
4-1 INSTALLING THE UNIT
●
Be sure to
fi
x the unit’s legs with bolts when installing it.
●
Be sure to install the unit
fi
rmly to ensure that it does not fall by an earthquake or a gust.
●
Refer to the
fi
gure in the right for concrete foundation.
4-2 MOUNTING ARRANGEMENT OF DRAIN SOCKET
Please perform the drain piping work only when draining from one place.
CAUTION:
Do not use drain socket and drain cap in the cold region.
Drain may freeze and it makes the fan stop.
1
Please choose one hole to discharge drain and install the drain socket to the hole.
2
Please close the rest of the holes with the drain caps.
3
Please connect a vinyl hose of 25 mm in the inside diameter on the market with the drain socket and lead
drain.
4-3 INDOOR/OUTDOOR WIRE CONNECTION AND OUTDOOR POWER SUPPLY
CORD CONNECTION
●
Be sure to lead in the power supply cord
A
to the air conditioner in accordance with the speci
fi
cation table
below and “Technical Standards for Electrical Installation”.
●
Be sure to use special circuits for room air conditioner.
CAUTION:
Attach an earth leakage breaker according to your installation location. If any breaker is not attached,
it may cause a risk of electric shock.
WARNING:
Be sure to comply with “Technical Standards for Electrical Installation”, follow this manual and use
special circuits for electrical work. If there is a lack of circuit capacity or some de
fi
ciency in installation,
it may cause a risk of
fi
re or electric shock.
Overcurrent that might be produced may include DC substances. Be careful to choose the correct type
of overcurrent protection switch.
Rated Voltage
Breaker capacity
Connect to the supply terminals and leave a contact separation of
at least 3 mm at each pole to disconnect the source power pole.
(When the power switch is shut off, it must disconnect all poles.)
230 V
15A
●
Peel off both ends of the cables as shown in the right.
●
Take care not to let the cables contact the pipes inside the unit.
●
Take enough care to connect the indoor/outdoor unit connecting wire correctly between
the respective indoor units and the outdoor unit.
●
Make earth wire a little longer than the others. (more than 35 mm)
35 mm
15 mm
}
}
POWER SUPPLY
L
L
~/N 230 V 50 Hz
UNIT
UNIT
●
For the power supply cord and the indoor/outdoor unit connecting wires, be sure to use the ones in compli-
ance with the standards.
●
Be sure to push the core until it is hidden and pull each cable to make sure that it is not pulled up. Incomplete
insertion may cause a risk of burning the terminal blocks.
Power supply cord Speci
fi
cation
Cable 3-core 2.5 mm
2
, in conformity with Design 245 IEC 57.
Indoor and Outdoor connecting wire Speci
fi
cation
Cable 4-core 1.0/1.5 mm
2
, in conformity with Design 245 IEC 57.
This installation manual is only for the outdoor unit installation. In installing the indoor units, refer to the
installation manual attached to each indoor unit.
Indoor/outdoor unit connecting wire
<OUTDOOR UNIT>
1
Remove the service panel.
2
Connect the indoor/outdoor wire and power supply cable to the terminal block.
Firmly tighten the indoor/outdoor unit connecting
wire
B
and the power supply cord
A
.
Route the indoor/outdoor unit connecting wire
B
and the power supply cord
A
along with the
unit.
Cable clamp
Power supply cord
A
Be sure that the indoor/outdoor unit
connecting wire
B
does not contact
the stop valve.
B
unit
A
unit
WARNING:
●
Be sure to attach the service panel of the outdoor unit securely, otherwise it may result in a
fi
re or an
electric shock from dust or water.
●
Use the indoor/outdoor unit connecting wire that meets the Standards to connect the indoor and
outdoor units and
fi
x the wire to the terminal block securely so that no external force is conveyed to
the connecting section of the terminal block. Incomplete connection or
fi
xing of the wire could result
in a
fi
re.
●
Be sure to attach the terminal block cover on the both indoor and outdoor units. If the terminal block
cover is incorrectly attached, it may cause a risk of
fi
re or electric shock due to dust or water pen-
etration.
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Summary of Contents for MXZ-2A52VA
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