Wascomat W620 Classic Service Manual - page 35
3. Machine presentation
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7
Service
Manual
7
Fig.
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Fig.
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Fig.
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Heating
When using electric heating, the water for
washing is heated by three heating elements
accessible from the front of the machine.
The machine can also be fitted with steam
heating using a steam valve fitted on the rear of
the machine.
The heating system of the machine is described
in detail in section 40. Heating.
Water connections
Depending on the machine size and customer
specifications, the machine has one, two, three
or four inlet valves.
This unit also holds eight connectors for external
detergent supply.
Rear control unit
This box contains the main power switch or a
connection block for the input voltage, heating
contactor and a communication card with outputs
that control the water and drain valves of the
machine as well as the heating. There are also
connection blocks for connection to e.g., an
external detergent supply.
The rear electric box of the machines is
described in detail in section 21. Control unit.
5182, 5916
Water connections
Rear control unit
Heating elements
T1
T2
T3
L1
N
N
L2
L3
Main power switch
Contactor K21 (heating)
Communication
card
Supply voltage
connection