11
21
21. Control unit
Service
Manual
7
T1
T2
T3
L1
N
N
L2
L3
Main power switch Q1 Heating contactor K21
Voltage supply
connector
Heating contactor K22
(only larger machines with
six heating elements)
5182
Front control unit
Main power switch Q1
The main power switch interrupts all received
power phases and is placed on the outside of the
connection box cover.
The cover cannot be removed unless the main
power switch is turned to the 0 position.
The received voltage supply is connected to the
lower screw post of the main power switch, alt.
the terminal connection.
Heating contactor K21
This contactor is only featured on machines with
electric heating.
It activates the three heating elements at the
front, lower part of the outer drum. It is controlled
by the programme unit A1 and thermostat B1.
Heating contactor K22
This contactor is only featured on larger
machines.
It activates the three heating elements, with a
total of four circuits, situated at the front, lower
part of the outer drum. It is controlled by the
programme unit A1 and thermostat B1.
Fig.
7
Fig.
7
Fig.
7
Summary of Contents for W620 Classic
Page 1: ...DOC NO 438 9205 85 07 EDITION 49 2004 W620 W630 W640 W655 W675 Classic SERVICE MANUAL ...
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Page 13: ...1 1 1 Safety precautions Service Manual Contents Safety precautions 3 ...
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Page 17: ...2 Technical data Contents Technical data 3 Connections 3 ...
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Page 37: ...11 Regular maintenance Contents Daily 3 Every third month 3 ...
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Page 61: ...27 Thermostat Contents Data 3 Description 3 Repair instructions 4 Replacing the thermostat 4 ...
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Page 79: ...3 30 30 Motor Service Manual Warnings DANGER Be careful when measuring capacitors and filter ...
Page 85: ...38 Drain valve Contents Description 3 Function 3 Repairs 4 Disassembly 4 Assembling 5 ...
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Page 91: ...39 Detergent compartment Contents Description 3 ...
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