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Safety instructions
1. Read and strictly follow the installation and operating instructions to ensure a
long life and reliable unit operation.
2. The unit is designed to be wall mounted.
3. A non-return valve must not be installed on the cold water supply pipe.
4. The unit should be installed close to the most frequently used tap.
5. Inlet and outlet pipes should not be made of plastic.
6. It's recommended to install additional shut-off valve and water filter on the inlet
pipe.
7. The unit can only be used when in perfect technical condition and correctly as-
sembled.
8. The unit should always be vented before initial start-up. Vent the unit each time
after the water has been emptied from the heater or pipes (e.g. when water supply
system has been repaired or maintained).
9. Connection to the mains and measurement of fire protection effectiveness should
be made by a qualified person.
10. The unit has to be earthed or neutrally grounded.
11. The unit must be permanently connected to the mains which is equipped with
earth clamp.
12. The unit must not be installed in the place which is exposed to the danger of
explosion and place in which the temperature may go down below 0
13. The unit must be kept in a place in which the temperature never go down below
0
C (there is water inside the unit).
0
14. Do not use when the water has been emptied from the unit or pipes (e.g. when
water supply system has been repaired or maintained).
15. Unit's cover must not be taken off while power is on.
16. Accumulation of limescale in parts of the water heater may cause limited water
flow and failure of the water heater. Failure of the heater and damages caused
by the limescale will not be covered by the warranty. The water heaters and fit-
tings must be descaled on the regular basis, the frequency of limescale removal
depanding on the quality of water.
17. Appropriate precaution must be taken while using hot water. Temperature of
water over 40
C may cause hot feeling and can be dangerous for children.
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PL;DE;GB;FR;RU-051AB/f.794
GB
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