3
GB-045BC_f.854
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. The unit can only be used when in perfect technical condition and correctly
assembled.
4. If there is a non-return valve installed on the water supply pipe the safety valve
must be tted between unit and non-return valve. This relates to KDE only.
5. Inlet and outlet pipes should not be made of plastic. This relates to KDE only.
6. The maximum inlet water temperature should not exceed 70°C.
7. 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).
8. Connection to the mains and measurement of re protection effectiveness should
be made by a qualied person.
9. The unit has to be earthed.
10. The unit must be permanently connected to the mains which is equipped with
earth clamp.
11. Electric installation should be equipped with residual current protective devices
and other solutions which will ensure disconnecting the heater from the source
of power (intervals between all their poles should not be less than 3 mm).
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°C.
13. The unit must be kept in a place in which the temperature never go down below
0°C (there is a water inside the unit).
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. Failure to install the lter on water supply pipe can cause unit damage.
17 Accumulation of limescale in parts of the water heater may cause limited water
ow 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
ttings must be descaled on the regular basis, the frequency of limescale removal
depanding on the quality of water.
18. 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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