4
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 filter on water supply pipe can cause unit damage.
17
Lime scale built up on heater’s elements may limit water flow and lead to heater’s
damage. Such damages are not subjected to warranty rights. Water heater and
sanitary fittings should be periodically descaled, whereas, frequency this process
should be adjusted to water hardness in given installation. Lime scale built-up
may be partially limited by usage of magnetic descalers installed on the cold water
inlet pipe.
18. Appropriate precaution must be taken when using hot water. Temperature of water
over 40°C may cause hot feeling and can be dangerous for children, whereas,
temperature above 50°C may lead to first degree burn (espcially amongst small
children).
19. Electronically controlled heater is a electrical surge sensitive device, therefore
the electrical installation must contain surge protection devices.
20. Water heater should be mounted in such a way in order to enbale easy access
for service and service repair. It is connected with keeping minimal distance from
the walls and the ceiling of min 100mm.
