Toshiba MMU-UP0091HP-E Service Manual page 195

No. Part name
Electric 1. Detachment
③
1) Perform works of 1 of ①.
parts box
2) Remove the indoor/outdoor connecting wire and
remote controller wire from each terminal block.
3) Remove the connectors which connected from
the control P.C. board to other parts.
NOTE
First unlock the housing and then remove the
connectors.
CN34 : Float switch (3P, Red)
CN41 : Remote controller terminal block (3P, Blue)
CN504 : Drain pump (2P, White)
CN67 : Power supply terminal block (5P: Black)
CN101 : TC sensor (2P: Black)
CN102 : TCJ sensor (2P, Red)
CN104 : Room temperature (2P, Yellow)
4) Remove screws. (Ø4 x 10, 2 pcs.)
5) Slide the electric parts box toward the arrow mark
and then remove the box from the bottom side of
the main unit.
2. Attachment
1) Attach the electric parts box and then perform wiring
as original.
NOTE 1
Check there is no missing or contact failure
on the connectors.
NOTE 2
Be sure to perform wiring as original.
2) Attach suction panel and electric parts box cover
as original.
Control P.C. 1. Detachment
④
board 1) Perform work of 1 of ③.
(In the works of 1 of ③, removal of the control P.C.
board is available even if you do not perform works
after ③).
2) Unlock the card edge spacers (5 positions) in the
electric parts box to remove the control P.C. board.
2. Attachment
1) Mount control P.C. board in the electric parts box
as original.
2) Attach the electric parts box as original.
3) Be sure to perform wiring as original in the electric
parts box.
NOTE
Check there is no missing or contact failure
on the connectors.
4) Attach suction panel and electric parts box cover
as original.
Procedure
(Screw part of terminal block, 2P.)
(Screw part of terminal block, 3P.)
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Remarks
Electric parts box
Screw
CAUTION
When replacing PC. board,
check no-mex paper is attached.