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Never replace the pressure limiter when using a thermostatic valve.
Never use the shut-off valve in the cold water supply (23) to reduce the fl ow rate.
3.7
Power supply
1 heating system
2 High limit safety cut-out
3 Safety pressure limiter
Important information:
The protection level IP 25 (hoseproof) is only assured if the cable grommet is fi tted 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 fi rm seat of the device cap on the back panel.
5
6
7
Optional displays of the "traffi c light" indicators (
"7. Troubleshooting"):
red
illuminates in case of faults
yellow illuminates when the equipment is heating water
green fl ashing - equipment is supplied with mains power
Explain the equipment function to the user and familiarise the user
with its operation.
3) into place.
E
(only by a qualifi ed contractor)
A
I
).
1
2
9), see also
4
5
1.
6
For contractors
or
)
G
K
3
L3 '
4
3
L2'
1
L1'
2
2.
27
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