Flaring Work And Pipe Connection; Piping Work - Mitsubishi Electric MLZ-KY20VG Installationsanleitung

2-4. CONNECTING WIRES FOR INDOOR UNIT
1) Remove disp cover.
2) Remove cord clamp.
3) Pass indoor/outdoor unit connecting wire
4) Loosen terminal screw, and connect first the earth wire, then indoor/outdoor
unit connecting wire
D
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.
5) Firmly tighten the terminal screws to prevent them from loosening. After
tightening, pull the wires lightly to confirm that they do not move.
6) Secure indoor/outdoor unit connecting wire
cord clamp. Never fail to hook the left claw of the cord clamp. Attach the cord
clamp securely.
EN
When the ceiling is above 2.4 m and 2.7 m or below
Move the slide switch (SW3) to the right to increase airflow volume.
* When the ceiling is above 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 disp cover 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
disp cover.
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 ø48 mm liquid pipe,
ø51 mm gas pipe) for indoor connecting pipe, remove plate and turn it over
so that the concave part faces upward.
EN-7
process the end of the wire.
D
to the terminal block. Be careful not to make mis-
and the earth wire with the
D
Terminal block
Earth wire
Disp cover
Cord clamp
Indoor terminal block
15 mm
35 mm
Lead wire
Outdoor terminal block
• Make earth wire a little longer than others. (More than 55 mm)
• For future servicing, give extra length to the connecting wires.
Electronic
control P.C.
board
TB base
[When using pipe with super insulating material]
Plate
Pipe band
Plate
(turn over)
Pipe cover
Indoor/outdoor unit
connecting wire
D
Earth wire
(green/yellow)
Indoor/outdoor unit
connecting wire
D
Slide switch SW3
Normal Increase airflow
volume
Disp cover
Plate