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5. Operating principles heater

Heater "DAFI" correctly installed and used in accordance with the

intended use is completely safe to use. Prior to installation of the heater

and commissioning observe the following conditions:

- heater may not be installed in rooms where the temperature

drops below 1°C,

- do not leave damaged or mounted heater, connected to power,

- use electric cables with a cross section corresponding to the nominal

rated current of the heater (see also p. 6.2 of the manual),

- observe the connection sequence,

- before connecting the heater to the power source is imperative to

check whether the heater is vented (see point. 7.1.h instructions),

- prohibits the use of damaged or faulty device,

- it prohibits the installation of the heater in the showers.

Any use of the heater DAFI contrary to its intended purpose means

that the manufacturer is not liable for any damage caused. The

manufacturer does not take responsibility for the damages and

consequences resulting from unauthorized alterations and repair heater.

6. The order of connection to the plumbing and electrical

Water Heater DAFI must first connect to the water system. It was

only after venting the water system and the heater unit can be connected

to the electrical system.

6.1 Connection to the water supply system

DAFI heaters are devices low pressure and can work in networks of

water with a pressure of not less than 100 000 Pa and not more than 600

000 Pa. This may be a plumbing municipal or local pressure booster

system with a single-family housing.

In the case of fluctuations in water pressure caused by,

among others, by the use of automatic

installed near the heater and the increase in water pressure

area. 600 000 Pa must install a pressure reducer.

WARNING - Do not operate the heater if there is a possibility

that the water in the heater is frozen.

6.2 The connection to the electrical system

The heater with power above 3.7 kW must be permanently

connected to the electrical system having a ground terminal.

flushing

valves