29
s Never replace the pressure limiter when using a thermostatic valve.
s Never use the shut-off valve in the cold water supply (24) to reduce the flow rate.
3.7 Power supply
s #ONNECTTHEPOWERCABLETOTHETERMINALSTRIPSEEWIRINGDIAGRAM
I
).
STB = High limit safety cut-out
AP3 = Safety pressure limiter
Important information:
s The protection level IP 25 (hoseproof) is only assured if the cable grommet is fitted correctly (
G
or
.
K
)
and if the cable sheath is sealed correctly.
s Connect the equipment to earth.
s 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 (
E
3) into place.
3.9 Commissioning (only by a qualified contractor)
1
&ILLANDVENTTHEEQUIPMENT0LEASENOTE"OILDRYRISK
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
!CTIVATETHESAFETYPRESSURELIMITER!0
The instantaneous water heater is delivered with the safety
pressure limiter triggered (press the reset button).
3
0USHTHETEMPERATURESELECTORCABLEPLUGONTOTHE
ELECTRONIC0#"
4
&ITANDAUDIBLYLETTHEDEVICECAPCLICKINTOPLACE
Check the firm seat of the device cap on the back panel.
5
3WITCHONTHEMAINSPOWER
6
4URNTHETEMPERATURESELECTORASFARASPOSSIBLECLOCKWISE
ANDANTICLOCKWISEWHICHCALIBRATESTHETEMPERATURE
7
#HECKTHEINSTANTANEOUSWATERHEATERFUNCTION
Optional displays of the “traffic light” indicators (
A
9), see also
“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
%XPLAINTHEEQUIPMENTFUNCTIONTOTHEUSERANDFAMILIARISETHE
USERWITHITSOPERATION
Important information:
s -AKETHEUSERAWAREOFPOSSIBLEDANGERSSCALDING
s (ANDOVERTHESEINSTRUCTIONSTOTHEUSERFORSAFEKEEPING
1
4
5
6
3
2
C26_02_02_0834
For contractors