Miele PG 8172 Operations Instructions download pdf (Page 34)

Water connection

16 Water connection

The water-related safety should be as per DIN EN 61770. The machine can be connected to an inlet water

supply without an intermediate connection to other safety equipment.

Warning

The machine and any other relevant additional devices must be connected by an electrical

company authorised by the relevant electricity supplier in relation to local standards and

regulations.

INFO At the commissioning of the machine the authorised service technician measures the water

hardness and saves it in the machine's electronic control unit.

16.1 Requirements for the on-site inlet water connection

Water quality The fresh water must in microbiological aspects have the quality of drinking

water.

Water inlet temperature PG 8172: max. 60 °C

PG 8172 ECO: Cold water (max. 20 °C)

Water hardness

 3 °dH (3.8 °e / 5.34 °TH / 0.54 mmol/l ) (recommendation, to prevent scaling of

the machine)

 30 °dH (37.6 °e / 53.4 °TH / 5.35 mmol/l) with machines with an internal water

softener

PG 8172 ECO:

 3 °dH (3.8 °e / 5.34 °TH / 0.54 mmol/l ) (recommendation, to prevent scaling of

the machine)

 20 °dH (25.1 °e / 35.6 °TH / 3.58 mmol/l) with machines with an internal water

softener

Connection of osmosis water is not permitted due to the copper pipes in the

waste air heat exchanger

Minimum flow pressure PG 8172: 100 kPa (1.0 bar)

PG 8172 ECO: 150 kPa (1.5 bar)

Maximum inlet pressure 600 kPa (6.0 bar)

Flow rate at least. 4 l/min

16.2 Requirements for the on-site water stop cock

 easily accessible

 not behind the machine

 3/4" connector

16.3 Connecting the supply hose

Caution

The supply hose may not be shortened or damaged.

Old existing hoses may not be re-used.

Do not bend the supply hose while laying it.

The supply hose and dirt trap are located in the machine.

INFO The dirt trap prevents particles from the water supply line entering the machine thus preventing

extraneous rust on the cutlery and in the machine.

Right view

 Connecting the supply hose (TWw) to the machine.

 Connect the dirt trap to the on-site water stop cock.

 Only with hot water connections in Great Britain:

Install the non-return valve between the dirt trap and the supply

hose. The non-return valve is located in a bag in the machine.

 Connect the supply hose to the dirt trap.

 Open the water stop cock and test whether the connections

are tight.

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Miele PG 8172 Operations Instructions Page 34

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