3
3. Machine presentation
8
438 9144-81/02
04.03
Service
Manual
T1
T2
T3
L1
N
N
L2
L3
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 has eight connections for external
detergent supply.
Rear control unit
This unit contains the main power switch and
connection block for the input voltage, heating
contactor and one or two communication cards
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 control unit of the machines is described
in detail in section 21. Control unit.
Water connections
Rear control unit
Heating elements
Main power switch
Contactor K21
(heating)
Communication
card
Supply voltage
connection
5365 5207
9
Fig.
9
Fig.
9
Fig.
9