Outdoor Unit Installation - Mitsubishi Electric MCFH-A24WV Installation Manual

5. OUTDOOR UNIT INSTALLATION

INDOOR/OUTDOOR UNIT CONNECTING WIRE CONNECTION AND
OUTDOOR POWER SUPPLY CORD CONNECTION
• Connect the indoor/outdoor unit connecting wire B from the indoor unit correctly on the terminal block.
• For future servicing, give extra length to connecting wire.
Connect to the supply terminals and leave a contact separation of at least 3 mm
Rated Voltage Breaker capacity
at each pole to disconnect the source power pole. (When the power switch is shut
230 V 25 A
off, it must disconnect all poles.)
• Peel off both ends of connecting wire (extension wire). When too
long, or connected by cutting off the middle, peel off power sup-
ply wire to the size as shown in the right.
• Be careful not to contact connecting wire with piping.
• 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.
3-core 2.5 mm
Power supply cord Specification 3-core 4.0 mm
3-core 6.0 mm
Indoor and Outdoor connecting wire
Cable 2-core 1.0 mm
Specification
Loosen terminal screw.
Lead wire
Terminal block
<Connection details>
Caution:
• Use care not to make mis-wiring.
• Firmly tighten the terminal screws to prevent them from loosening.
• After tightening, pull the wires lightly to confirm that they do not move.
35 mm
2 or more, in conformity with Design 245 IEC 57.
2
or more, in conformity with Design 245 IEC 57.
2
or more, in conformity with Design 245 IEC 57.
2 , in conformity with Design 245 IEC 57.
3 N
Indoor terminal block
Indoor/outdoor unit
L ~ N ~
connecting wire B
2-core 1.0 mm 2
Power supply cord H
3 N
Outdoor terminal block
15 mm
10 m or less
15 m or less
25 m or less
Warning:
Be sure to attach the service panel of the outdoor unit securely. If it is not attached correctly, it could
result in a fire or an electric shock due to dust, water, etc.
9
Be sure to fix the indoor/outdoor
unit connecting wire B and power
supply cord H using this cord
clamp.
Be sure to put the left por-
tion into the square hole of
the service panel.
Service panel
Fixing screws
Remove two fixing
screws to open the
service panel.
Valve cover