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Abb. 1: connect plug
Sicherheitsvorschriften beachten!
Pay attention to safety instructions!
Abb. 2
LED 4 flashes on the electronic
cover
LED 6
LED 5
LED 4
LED 3
LED 2
Abb. 3.1
LED 1
Max. Leistung
3 LEDs flashes for approx. 0,5
18 kW
seconds
21 kW (grün )
55 °C
24 kW (gelb )
48 °C
42 °C
27 kW (rot )
38 °C
35 °C
electronic
electronic
Abb. 3.2
3-time flashing for example,
24 kW:
55 °C
48 °C
42 °C
38 °C
35 °C
electronic
electronic
8. Initial operation
Before making the electrical connection, fill the mains and the appliance with
water by carefully opening and closing the hot water tap in order to vent
completely. After every draining (e.g. after work on the plumbing system or f
ollowing repairs to the appliance), the heater must be revented in this way before
starting it up again.
If the water heater cannot be put into operation, the temperature cut-out or the
pressure cut-out may have tripped during transport. If necessary, reset the
cut-out.
Selection of power rating
Only by authorised specialist, otherwise lapse of guarantee!
Upon first connection of the appliance to the supply voltage, select the maximum
power rating. Only after having set the power rating, the heater provides its
standard operation mode.
The maximum allowable power rating at installation site depends on the local
situ-ation. It is imperative to observe all data shown in the table "Technical specifi-
cations", in particular the required cable size and fuse protection for the electrical
connection. Moreover, the electrical installation must comply with the statutory
regulations of the respective country and those of the local electricity supply
com-pany (Germany: DIN VDE 0100).
1. Switch on the power supply to the appliance. The digital display on the
AIR
– ·
– · ·
18 kW
21 kW
2. When switching on the supply voltage for the first time, the value "21" flashes
– · · ·
– · · · ·
24 kW
27 kW
3. Select the maximum allowable power rating depending on the local situation
Q U A L I T Ä T G E P R Ü F T
4. Press key to confirm the setting. The appliance starts operating.
Q U A L I T Y A P P R O V E D
5. Mark the set power rating on the rating plate.
6. After having set the maximum allowable power rating, the heating element will
7. Open the hot water tap. Check the function of the appliance.
8. Explain the user how the instantaneous water heater works and hand over the
Reinstallation
In case the appliance will be commissioned again under different installation
conditions than during its initial operation, it may be necessary to adapt the
maximum power rating.
A temporary short circuit of the two pins, e.g. with a screwdriver acc. to EN 60900
(see figure), will reset all heater parameters to works setting and lock the
heating. Value "21" flashes in the display until the maximum power rating has
been selected. This condition will maintain when activating and deactivating the
supply voltage.
L1
L2
L3
appliance must light up.
in the display. If not, please follow the below note "Reinstallation".
via the up and down arrow keys (18 kW, 21 kW, 24 kW or 27 kW).
27 kW = red
21 kW = green
be activated after approx. 30 sec of continuous water flow.
operating instructions.
Fill in the guarantee registration card and send it to the TECHNOTHERM
Customer Service.
13
24 kW = yellow
18 kW = all three LEDs
TECHNOTHERM
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