Flaring Work And Pipe Connection; Piping Work - Mitsubishi Electric MLZ-KA25VA Manual De Instalación

2-4. CONNECTING WIRES FOR INDOOR UNIT
1) Remove electrical cover A.
2) Remove cord clamp.
3) Pass indoor/outdoor unit connecting wire (D) process the end of the
wire.
4) Loosen terminal screw, and connect first the earth wire, then indoor/
outdoor unit connecting wire (D) to the terminal block. Be careful not
to make mis-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 (D) and the earth wire
with the cord clamp. Never fail to hook the left claw of the cord
clamp. Attach the cord clamp securely.
When the ceiling is above 2.4 m and 2.7 m or below
Switch down the Dip switch (SW3) to increase airflow volume.
* When the ceiling is above 2.7 m, airflow volume may be insufficient
even with the Dip switch (SW3) set to "increase airflow"
1) Make sure that the breaker for air conditioner is turned OFF.
2) Remove electrical cover A and B of the indoor unit.
3) Slide out the electronic control P.C. board, and switch up the Dip
switch (SW).
4) Put the electronic control P.C. board back to the original position,
and install electrical cover A and B.
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 liq-
uid pipe, ø51 mm gas pipe) for indoor connecting pipe, remove plate
and turn it over so that the concave part faces upward.
Electrical cover A
15 mm
35 mm
Lead wire
• Make earth wire a little longer than others. (More than 55 mm)
• For future servicing, give extra length to the connecting wires.
Electrical cover A
Electrical cover B
Plate
Pipe band
Pipe cover
Spacer (cushion)
When using pipe with super insulating material
Plate (turn over)
Indoor terminal block
Earth wire
(green/yellow)
Indoor/outdoor unit
connecting wire (D)
Outdoor terminal block
Electronic
control P.C. board
Dip switch SW3
Increase airflow
Normal
volume
Plate
En-