Mitsubishi Electric MFZ-KT25VG Installation Manual page 8

2-8. FRONT PANEL INSTALLATION
1) Open the rear horizontal vane.
2) Attach the panel. Make sure that the catches are engaged.
3) Fix the panel with screws.
4) Insert the bottom part of the front panel.
5) Push 3 places on the upper part of the front panel to close it.
Rear horizontal
vane
2-9. HOW TO ATTACH THE LABEL AND THE EXPLANATION
The breaker must be always ON except when performing maintenance or inspection. Hang the accompanying label (16) or
EN
(17) on the breaker, and explain it to customers. When turning the breaker OFF, the power is not supplied to the refrigerant
sensor mounted in the indoor unit, and the refrigerant leakage cannot be detected.
Note: When the wiring is separate indoor unit/outdoor unit power supplies, hang the accompanying label (16) or (17) on the
breaker of indoor unit side, and explain it to customers.
2-10. CONNECTING AN INTERFACE (option)/CONNECTOR CABLE (option) TO THE AIR CONDITIONER
• Connect an interface/connector cable to the indoor control P.C. board of an
air conditioner with a connecting cable.
• Cutting or extending the connecting cable of the interface/connector cable
results in defects in connecting. Do not bundle the connecting cable together
with power supply cord, indoor/outdoor connecting wire, and/or earth wire.
Keep as much distance as possible between the connecting cable and those
wires.
• The thin part of the connecting cable should be stored and placed where
customers cannot touch it.
1) Remove the panel.
2) Open the cover of the indoor control P.C. board.
3) Join the connecting cable to CN105 and/or CN104 on the indoor control P.C.
board.
4) Route the connecting cable through this point in the figure.
5) Attach the cable clamp provided with interface/connector cable to the thick
part of the connecting cable with a screw 4×16 as shown in the figure.
6) Close the cover of the indoor control P.C. board. Be careful not to catch the
thin part of the connecting cable in the cover. Reinstall the panel.
Fix the connecting cable at the prescribed position securely.
Incorrect installation may cause electric shock, fire, and/ or malfunction.
EN-7
Panel Indoor unit
Indoor unit
Panel
WARNING
Front panel
Thin part of the connecting cable.
Place this part where customers
Room air
cannot touch it.
conditioner
Indoor control
CN105 for interface
P.C. board
CN104 for connector cable
When mounting the
interface and the connector
cable, use this screw to fix
the connecting cable.
(16)
WARNING
Main body of an interface
Thick part of the connecting cable
4)
3) CN105
3) CN104
5)