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INSTALLATION
Installation options
Cleanly cut and break out the required cable entries in the
back panel and appliance cover (for the positions, see chap-
ter "Specification/ Dimensions and connections"). Deburr any
sharp edges with a file.
Route the power cable through the cable grommet.
Connect the power cable to the mains terminal.
13.4 Connecting a load-shedding relay
Install a load-shedding relay in the distribution board in conjunc-
tion with other electric appliances, e.g.electric storage heaters.
The relay responds when the instantaneous water heater starts.
!
Material losses
Connect the phase that switches the load-shedding relay
to the indicated terminal of the mains terminal in the
appliance (see chapter "Specification/ Wiring diagram").
13.5 Internal anti-scalding protection
CAUTION Burns
If operating with preheated water, the set temperature
limit and internal anti-scalding protection may be in-
effective.
In this case, limit the temperature with an upstream cen-
tral thermostatic valve.
The appliance is equipped with an anti-scalding protection func-
tion, which the qualified contractor can set if required. To do this,
the appliance must be opened.
Anti-scalding protection activation
Press the "Service" button on the PCB in the appliance.
D0000053276
1
1 "Service" button on the appliance
The "Internal anti-scalding protection" (in "Settings/ Service"
menu) is visible for 5 minutes.
Set the anti-scalding protection temperature.
Tap on "Active" and then the tick symbol to enable the an-
ti-scalding protection.
Setting ranges:
- Setting range 20 - 60°C
- Recommended setting 43 °C
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