Toshiba MMU-UP0071YHP-UL Service Manual page 105

No. Part name
5 Ceiling panel
1. Detachment
1) Carry out work of item 1 of ② and item 1 of ④.
2) Remove the flap connector (CN510, White, 20P)
3) Loosen the panel fixing screw (black color) from
4) Loosen the four panel fixing screws.
5) Detach the front panel hole from
6) Remove the two movable hooks at the inside of the
2. Attachment
1) Attach the ceiling panel by reversing
2) Check that the ceiling panel is in close contact with
CAUTION
•
Insufficient tightening of the screws may result in the
following problems. Tighten the screws securely.
Air leakage
from bottom
of the ceiling
Contamination
• If a gap between ceiling panel and
bottom of the ceiling still remains after
the screws are tightened, readjust the
height of the indoor unit.
Procedure
connected to the control P.C. board and then
remove the lead wire from the clamp. (Fig. 6)
the panel center position on the air inlet side
and outlet side. (Fig. 7 and Fig. 8)
Then slide the panel fixing bracket in the direction
of arrow (open side). (Fig.9)
Repeat this procedure for the four panel fixing
brackets.
the panel fixing screw. (Fig. 10)
ceiling panel from the rectangular holes of the
indoor unit. (Fig. 11)
the procedure of detaching.
the ceiling.
• Make sure that there is no gap between indoor
unit and ceiling panel and between ceiling panel
and bottom of the ceiling.
The height of the indoor unit can be
Air leakage adjusted from the corner holes of the
ceiling panel without detaching the
panel, provided that the levelness of
the indoor unit and the drain pipe are
not affected.
Dew drop/water leakage
No gap
After the adjustment of height, tighten
the nuts of the indoor unit securely.
(Fig. 6)
Electrical control Screw
box cover
Screw
Wire Connection (For illustrative purpose, the orientation of the indoor unit is not the
actual orientation.)
(Fig. 7)
Looson the panel center
fixing screw inlet side.
(Fig. 9)
Panel fixing bracket
Loosen the panel fixing screw
then slide the panel fixing bracket
to the open side
(Fig. 11)
Panel fixing screw
- 105 -
Remarks
Terminal cover
CN510
Clamper
Pass the wire
through the clamper
as illustrated.
louver motor wire
(Fig. 8)
Looson the panel center
fixing screw outlet side.
(Fig. 10)
Panel fixing screw
Detach the ceiling panel hole
from the panel xing screw
Electrical control box
Drain pipe
Rectangular holes
of indoor unit
Refrigerant pipe
Ceiling panel
louver motor wire
Movable hook
Push when releasing
Movable hook
Rectangular hole of
indoor unit