3
21
21. Control unit
Service
Manual
1
Fig.
1
Description
The control unit of the machine consists of the following parts:
•
Front control unit
This unit contains an electro-mechanical programme unit A1, a safety
control card for the door lock (door lock control A31), thermostat B1,
level switch B2 and 4 and rotary switch S5.
•
Rear control unit
This module contains the main power switch Q1 with a connection for
received voltage, the heat contactor K21 and the communication card
A21 with outputs for e.g. external detergent supply.
5925, 5182, 5916
T1
T2
T3
L1
N
N
L2
L3
Front control unit
Rear control unit
Q1
Main power switch
K21 Heater contactor
A21
Communication card
K22 Heater contactor
(only larger machines)
X30
X38
X39
X37
X28
X31
X27 X33 X34
X21
X20
X24
X26
X11
X12
X13
X14
X92
X97
X91
X90
X93
X95
X96
X94
X99
X98
X161
X160
X36
X111
X112
X113
X114
A31
Door lock
controller
S5
Rotary switch
program selector
B1
Thermostat
A1
Programme unit
B2
Level switch
B4
Level switch
wash program
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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