Toshiba MMU-UP0071YHP-UL Service Manual page 107

No. Part name
8 Float switch
9
PMV coil
Cover pipe
10
Procedure
1. Detachment
1) Carry out work of item 1 of
2) Remove the float switch connector
(CN34, Red, 3P) connected to the control
P.C. board and then remove the lead wire
from the clamp.
3) Loosen the nut fixing float switch then float
switch will be release. (Fig. 17)
2. Attachment
1) Tighten the nut fixing float switch to the float
switch with the pump fixture.
2) Connect the float switch connector (CN34,
Red, 3P) to the control P.C. board and then
fix it as before with the clamp.
1. Detachment
1) Carry out work of item 1 of ⑥.
2) Remove the PMV coil connector
(CN82, Blue, 6P) connected to the control
P.C. board and then remove the lead wire
from the clamp.
3) Turn the PMV coil slightly follow the direction
of arrow (Fig.18), and then remove the PMV
coil follow the direction of arrow (Fig. 19)
2. Attachment
1) Attach the PMV coil as original.
Note :
• Check the direction of the PMV coil.
• Check the claw holes in the PMV coil. are
securely placed into four clows on the PMV
body.
• Chcek position of the lock part on the
binding band and the lead wire.
2) Connect the PMV coil connector
(CN82, Blue, 6P) to the control P.C. board
and then fix it as before with the clamp.
Attach the PMV coil to the PMV body
so that the PMV coil protrusion part
points to the PMV body inlet.
Fit the claw holes on the PMV coil into
four claws on the PMV body.
PMV body inlet
Lead wire
(with protective tube)
Caution when fixing the lead wire with the
Binding band
binding band.
. Do not apply tension to the drawing
part on the coil lead wire.
. Insert the protective tube up to the
root of drawing part on the lead wire.
. Ensure that the PMV pipe does not
come to contact with the protective tube.
Ensure that the lock part on the binding
band comes to the position in the figure.
1. Detachment
1) Carry out work of item 1 of ⑥.
2) Loosen the fixing screw
(Ø5/32"(4mm) x 0.4"(10mm) 2 pcs.) and
then remove the cover pipe. (Fig. 20)
2. Attachment
1) Tighten the fixing screw to the cover pipe for
fix with the side cabinet.
(Fig. 17)
.
6
(Fig. 18)
(Fig. 19)
(Fig. 20)
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Remarks
Nut fixing float switch
Float switch
PMV coil
PMV coil
Cover pipe
Fixing screw