Toshiba Carrier MMU-UP0151YHP-UL Service Manual page 106

No. Part name
6 Ceiling panel
1. Detachment
1) Carry out work of item 1 of
Item 1 of 5
2) Remove the flap connector (CN510, White, 20P)
connected to the control P.C.board and then
remove the lead wire from the clamp. (Fig.10)
3) Loosen the panel fixing screw (black color) from the
ceiling panel on the air inlet side and
outlet side. (Fig. 11, Fig. 12 and Fig. 13)
4) Loosen the four panel fixing screws.
Then slide the panel fixing bracket in the direction
of arrow (open side). (Fig.14)
Repeat this procedure for the four panel fixing
brackets.
5) Detach the front panel hole from
the panel fixing screw. (Fig. 15)
6) Remove the two movable hooks at the inside of
the ceiling panel from the rectangular holes of
the indoor unit. (Fig. 16)
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
, item 1 of
2
.
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. 10)
4 and
Electrical control
box cover
(Fig. 11)
Loosen the panel fixing
screw (black color) on
air inlet side (2 position)
Loosen the panel fixing screw (black color) on air outlet side.
(2 Positions)
(Fig. 14)
Panel fixing bracket
Loosen the panel fixing screw
then slide the panel fixing bracket
to the open side
(Fig. 16)
Rectangular holes
of indoor unit
Panel fixing
screw
- 106 -
Remarks
Terminal cover
Screw
Screw
CN510 Clamper
Louver motor wire
(Fig. 12)
Loosen the panel fixing screw
(black color) on center hook
of air inlet side.
(Fig. 13)
(Fig. 15)
Panel fixing screw
Detach the ceiling panel hole
from the panel xing screw
Drain pipe
Electrical control box
Refrigerant pipe
Ceiling panel
Louver motor wire
Movable hook
Push when releasing
Movable hook
Rectangular hole
of indoor unit