Mitsubishi Electric MLP-444WU Manual De Instalación página 21

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8) Pass indoor/outdoor unit connecting wire
9) Loosen terminal screw, and connect first the ground wire, then indoor/outdoor
unit connecting wire
to the terminal block. Be careful not to make mis-
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wiring. Fix the wire to the terminal block securely so that no part of its core
is appeared, and no external force is conveyed to the connecting section of
the terminal block.
10) Firmly tighten the terminal screws to prevent them from loosening. After
tightening, pull the wires lightly to confirm that they do not move.
11) Reinstall the electrical cover (1).
When the ceiling is above 8 ft. (2.4 m) and 9 ft. (2.7 m) or below
Move the slide switch (SW3) to the right to increase airflow volume.
* When the ceiling is above 9 ft. (2.7 m), airflow volume may be insufficient even
with the slide switch (SW3) set to "increase airflow".
1) Make sure that the breaker for air conditioner is turned OFF.
2) Remove electrical cover (1) and (2) of the indoor unit.
3) Slide out the electronic control P.C. board, and switch up the slide switch
(SW).
4) Put the electronic control P.C. board back to the original position, and install
electrical cover (1) and (2).
Note:
• Perform static elimination before setting.
• Default setting is Normal.
3. FLARING WORK AND PIPE CONNECTION
3-1. PIPING WORK
1) Remove the pipe cover, hose band, pipe band, and spacer (cushion) of the
indoor unit. Dispose of the spacer (cushion), as it will not be needed.
2) When using pipe with super insulating material (about ø1-7/8 in. (ø48 mm)
liquid pipe, ø2 in. (ø51 mm) gas pipe) for indoor connecting pipe, remove
plate and turn it over so that the concave part faces upward.
process the end of the wire.
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Electrical cover (1)
Indoor terminal block
Disconnect switch
Remark:
* Use a ring tongue terminal
in order to connect a ground
wire to terminal.
Outdoor terminal block
• For future servicing, give extra length to the connecting wires.
Electronic
control P.C.
board
Electrical cover (1)
Electrical cover (2)
[When using pipe with super insulating material]
Plate
Pipe band
Plate
(turn over)
Pipe cover
Spacer (cushion)
Indoor/outdoor
unit connecting
wire
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Terminal block
Grounding
terminal*
Indoor/outdoor unit
connecting wire
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Slide switch SW3
Normal
Increase airflow
volume
Plate
En-8
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