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CAUTION
• As shown in the following fi gure, a trouble may
becaused if the screws are incompletely tightened.
Air leak
Air leak from ceiling
Dew drop/water leakage
Generation of dust
• When a clearance is found between the ceiling
surface and the ceiling panel, readjust height
of the indoor unit even if the screws have been
tightened.
Adjust so that there
is no clearance.
Wiring of ceiling panel
1. Remove screw A for the fixation of the electrical control box cover and loosen the screw B. Slide the cover inside so that
the hook part can be removed (The electrical control box cover remain being hooked on the hinge.).
2. Pass the louver motor wire from the ceiling panel through the clamper as shown in figure, then connect them to the
20P-connector. (CN510: White) on the PC board of the indoor unit
• Check the cables are connected surely.
• Incomplete connection causes such a trouble as the louver does not work.
Louver motor wires
3. Install the electrical control box cover in the reverse procedure of its opening process.
• Take care not to catch the wires between electrical control box and its cover, or between the indoor unit and the
ceiling panel.
Electric control
box cover
Hook part
Screw A
Screw B
Connection diagram
(For the explanation only,
the orientation of the indoor
unit is changed)
Pass the wires through the clamper as shown in fi gure
- 4 -
• The height of the indoor unit with ceiling panel can be
adjusted through the hole in the ceiling panel corner if
doing so does not affect the horizontal level and drain
pipe of the indoor unit.
Tighten the fi xed nut securely after the adjustment.
Hinge
Pass through the clamper
Plug in CN510
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