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Toshiba CARRIER RAS-15LKV-UL User Manual

Page 100

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100

No.

ƒ

Part name

Inverter
assembly

Procedure Remarks

1) Perform work of item 1 in



.

2) Remove screw (screw 2 pcs.) of the upper

part of the front cabinet.

• If removing the inverter cover in this

condition, P.C. board can be checked.

• If there is no space above the unit, perform

work of 1 in

‚

.

Be careful to check the inverter because
high-voltage circuit is incorporated in it.

3) Perform discharging by connecting

,

polarity by discharging resistance (approx.
100

40W) or plug of soldering iron to

,

terminals a of the C14 (printed “CAUTION
HIGH VOLTAGE” is attached.) electrolytic
capacitor (15,17LAV=500

µ

F, 22LAV=760

µ

F)

Be careful to discha rge the capacitor
because the electr ol ytic capacitor
cannot naturall y disc har ge and v olta ge
remains accor ding to tr oub le type in
some cases.

NOTE

This capacitor is one with mass capacity.
Therefore, it is dangerous that a large
spark generates if short-circuiting
between

,

Requirement

As each connector has a lock mecha-
nism, avoid to remove the connector by
holding the lead wire, but by holding the
connector.

Discharging position
(Discharging period
10 seconds or more)

Plug of
soldering
iron

The connector is one
with lock, so remove
it while pushing the
part indicated by an
arrow.

Be sure to remove the connector by
holding the connector, not by pulling
the lead wire.

4) Remove screw (screw 4 pcs.) fixing the

terminal part of inverter box to the main
body.

5) Remove the front cabinet by performing

step 1 in , and remove the fixing screws
for securing the main body and inverter
box.

6) Remove various lead wires from the holder

at upper part of the inverter box.

7) Pull the inverter box upward.
8) Disconnect connectors of various lead wires.

Inverter cover

P.C. board
(Soldered surface)

k

FILE NO. SVM-10020

on P.C. board.