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.
3.7
Power supply
STB
= High limit safety cut-out
AP3
= Safety pressure limiter
Important information:
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.
3.8
Completing the installation
Click the lower part of the back panel (
3.9
Commissioning
1
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".
2
The instantaneous water heater is delivered with the safety
pressure limiter triggered (press the reset button).
3
4
Check the firm seat of the device cap on the back panel.
5
6
7
Optional displays of the "traffic light" indicators (
"7. Troubleshooting"):
red
illuminates in case of faults
yellow illuminates when the equipment is heating water
green flashing - equipment is supplied with mains power
Equipment handover
Important information:
3) into place.
E
(only by a qualified contractor)
).
I
1
9), see also
A
4
5
6
For contractors
or .
G
2
3
)
K
29