Miele CVA 6805 Operating And Installation Instructions page 11

Plumbing
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Do not connect the coffee system to a hot water supply.
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The non-return valve must be easily accessible when the coffee
system is built in.
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The protective sleeve of the water intake hose must not be dam-
aged or become kinked. This will cause it to leak.
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The integrated Waterproof System offers protection from water
damage, provided the following conditions are met:
– the coffee system is correctly installed, connected to the electrical
supply and plumbed in.the coffee system is correctly installed,
connected to the electrical supply and plumbed in.
– if a fault is identified, the machine must be repaired immediately.
– The water supply is shut off during extended periods of non-use
(e.g. vacation).
IMPORTANT SAFETY INSTRUCTIONS
11