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21.9 Solenoid valves
21.9.1 General characteristics
This component introduces water into the detergent dispenser and is controlled electrically by the main circuit
board via Triac. The level of water in the tub is controlled by the analogue pressure switch.
1. Water inlet
2. Solenoid valve body
3. Filter or needle trap
4. Flow reducer
5. Coil
6. Spring
7. Moving core
8. Rubber
9. Membrane
10. Water outlet
When idle, the core, pushed by a spring, keeps the
central hole of the membrane closed and so the latter
hermetically seals access to the water inlet duct.
When the coil is powered, the core is attracted,
releasing the central hole of the membrane.
Consequently
the valve opens.
1. Main circuit board
2. Door safety interlock
5. Pre-wash solenoid valve
6. Wash solenoid valve
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Technical Support - DMM
599 75 58-67 Rev. 04
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