Never replace the pressure limiter when using a thermostatic valve.
Never use the shut-off valve in the cold water supply (24) to reduce the ﬂow rate.
= High limit safety cut-out
= Safety pressure limiter
The protection level IP 25 (hoseproof) is only assured if the cable grommet is ﬁtted correctly (
and if the cable sheath is sealed correctly.
Connect the equipment to earth.
For supply cables > 6 mm², increase the hole in the cable grommet.
Completing the installation
Click the lower part of the back panel (
Open and close all connected taps several times, until all air
has been vented from the pipework and the equipment.
Air - see "2.3 Important information".
The instantaneous water heater is delivered with the safety
pressure limiter triggered (press the reset button).
Check the ﬁrm seat of the device cap on the back panel.
Optional displays of the "trafﬁc light" indicators (
illuminates in case of faults
yellow illuminates when the equipment is heating water
green ﬂashing - equipment is supplied with mains power
3) into place.
(only by a qualiﬁed contractor)
9), see also