Toshiba MMU-UP0071MH-UL Service Manual page 145

No. Part name
1. Detachment
Drain
pump,
1) Perform the procedure in steps 1-1), 1-2), 1-3) of "
Float
Electric parts box cover" and 1 of "
switch,
Drain pan."
Drain hose
2) Disconnect the following connectors and connected
* For only
cables from the control P.C. board.
drain pump
incorporated
NOTE
model
Unlock the lock of the housing to disconnect the
connectors.
CN34 ..... Float switch (3P: Red)
CN504 ... Drain pump lead (2P: White)
3) Detach the binding bands to disconnect the drain
hose.
4) Detach the binding bands that bundle the drain pump
and float switch cables and pull in the cables from the
control P.C. board.
5) Remove the screws that fix the side cover.
(M4 × 0.39" (10mm) 2 pcs)
6) Detach the side cover from the side plate and then
rotate the cover. Next, pull out the drain pump and
other drain pump kit components from the side.
(The drain pump and other drain pump kit
components are fixed to the side cover.)
NOTE
• If the pipes are damaged, refrigerant leak may be
caused. Take out them with great care.
• One of two methods can be used: Either pull out the
drain pump from the side or remove the screws (3
locations) used to fix the drain pump in place from the
bottom side, and take out the drain pump from the
bottom side.
• Please be careful to avoid damage to the foam part
caused by the screws of drain pump kit.
2. Attachment
1) Carefully insert the side cover (which fixes the drain
pump and other drain pump kit components removed
in step 1-5) of "
hose") from the side, so that you do not damage the
pipes. Then fix the side cover using the screws.
2) Insert the drain hose into the port of the drain pump
and fix the hose using the binding bands.
3) Reconnect the cables and then perform the procedure
in 2 of "
NOTE
Finally check whether they correctly operate or not.
Procedure
Drain pump, Float switch, Drain
Under panel, Drain pan."
– 145 –
Drain pump
Under panel,
Side cover
Remarks
Float switch
Binding band Drain hose
Rotate.
Screws
Rotate the side cover.