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Plumbing
116
Connecting the water inlet
The water in the dishwasher is NOT safe to drink!
- The commercial dishwasher must be connected to the water supply
in strict accordance with current local and national water authority
regulations.
- The water used must at least comply with national regulations for
drinking water quality. If the water supply has a high iron content,
there is a danger of corrosion occurring on items being cleaned in
the commercial dishwasher, as well as the machine itself. If the
chloride content of the water exceeds 100 mg/l, the risk of
corrosion to items being cleaned in the dishwasher will be further
increased.
- In certain regions (e.g. mountainous areas), the typical water
composition can cause precipitates to form, which in turn requires
the use of softened water for the commercial dishwasher.
- A device for preventing the return flow of water is not necessary, as
this commercial dishwasher conforms to the applicable standards
for the protection of drinking water. However, if the vessel is
moored and connected to a dock supply, then it is the
responsibility of the dock to ensure the water supply is adequately
protected.
- The water connection pressure must amount to at least 200 kPa
overpressure (100 kPa = 1 bar). If the pressure is below 200 kPa,
the water intake time is extended automatically. The maximum
permissible static pressure amounts to 1000 kPa (overpressure). If
the water connection pressure does not lie in the 200–1000 kPa (2–
10 bar) range, contact the Miele Customer Service Department for
advice.
- The commercial dishwasher is supplied as standard for connection
to cold water (blue coded hose) and hot water up to 60 °C (red
coded hose). Connect the inlet hoses to the valves for cold and hot
water.
- If no hot water supply is available, the inlet hose with the red
marking must also be connected to the cold water supply.
- A stopcock valve with a 3/4 inch male thread must be provided on
site. It should be easily accessible so that the water inlet can be
turned off when the dishwasher is not in use.
- The DN 10 inlet hose is approx. 1.7 m long, terminating in a 3/4
inch female thread. A 1.5 m long flexible metal extension hose
tested to 14,000 kPa (140 bar) is available as an optional accessory
if required. On no account may the inlet filter in the female thread
be removed.
- Install the large-surface filter (included in the accessory pack)
between the valve and the inlet hose
(see "Cleaning and care, Water inlet").
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