Toshiba MMC-UP0151HP-E, Service Manual

Page: 209 / 295

No. Part to be replaced Work procedure Remarks
③
Electric parts box 1. Detachment
1) Remove the panel under the air intake and the electric
parts box cover.
(see the 1. of
①
and 1. of
②
)
2) Remove the remote controller wire, indoor/outdoor
connecting cord and power supply wire from the
remote controller terminal block and power terminal
block.
3) Remove the connectors from the control board.
Note
First unlock the housing and then
disconnect the connectors.
CN34 : Float switch (3P : Red)
CN41 : Remote controller wire (2P : Blue)
CN40 : Indoor/outdoor connecting cord (2P : Blue)
CN 67 : Power supply (2P : Black)
CN01 : Reactor (2P : Blue)
CN100 : TC1 sensor (3P : Brown)
CN101 : TC2 sensor (2P : Black)
CN102 : TCJ sensor (2P : Red)
CN103 : TF sensor (2P : Green)
CN104 : TA sensor (2P : Yellow)
CN333 : Fan motor (3P : White)
CN 82 : Electronic control valve coil (6P : Blue)
4)
5)
Remove the mounting screws for the electric parts
box.
( 4X10, 2 pcs (screws locate under the cross slit on
the heat-insulating material))
Slide the electric parts box in arrow direction, and
remove the box from the bottom side.
2. Attachment
1) Attach the electric parts box, and rewire the connector
in the same way as before replacement.
Note
Con
fi
rm that the connector is installed
correctly.
Be sure to con
fi
rm that the wiring is
correct.
2) Attach the electric parts box cover and the panel under
the air intake..
Remote controller
terminal block
Electric parts box
Screw
Electronic control valve output
CN82 (Blue)
Float SW
CN34 (Red)
TF sensor
CN103 (Green)
DC fan output
CN333 (White)
TCJ sensor
CN102 (Red)
EEROM
IC503
TA sensor
CN104 (Yellow)
Power supply
CN67 (Black)
Reactor
CN01 (Blue)
TC1 sensor
CN100 (brown)
TC2 sensor
CN101 (Black)
Power supply
terminal block
④
Control board 1. Detachment
1) Remove the electric parts box. (see the 1. of
③
)
(The control board can be removed without performing
the work procedure 1. of
③
)
2) Unlock the cart edge spacers (5 pcs) within the
electrical equipment box, and remove the control
board.
Note
Unlock the locks on the housing to remove
the connector.
2. Attachment
1) Reinstall the control board in the electric parts box in
the same way as before replacement
2) Install the electric parts box.
3) Re-connect the wiring within the electric parts box in
the same way as before replacement.
4) Mount the panel under the air intake, the electric parts
box cover, and the electric parts box.
Control board
Con
fi
rm that Nomex pare is in place
when replacing the control board.
Note
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