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INSTALLATION
Commissioning
10.2 Completing the installation
Open the shut-off valve in the cold water inlet line.
Fitting the sealing elements for the appliance cover
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2
3
1
1 Cover guides
2 Pipe aperture
3 Screw
Cleanly break out the knock-outs in the appliance cover. If
necessary, use a file.
Push the cover guides provided into the knock-outs.
Secure the back panel at the bottom with a screw.
If you are using flexible water connection pipes, prevent
twisting the pipe bends (bayonet fitting inside the appliance).
11. Commissioning
WARNING Electrocution
Commissioning may only be carried out by a qualified
contractor in accordance with safety regulations.
11.1 Initial start-up
≥ 60 s
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Open and close all connected draw-off valves several times,
until all air has been vented from the pipework and the
appliance.
Carry out a tightness check.
Activate the safety pressure limiter. The instantaneous water
heater is supplied with the safety pressure limiter in the trig-
gered state. Activate the safety pressure limiter at flow pres-
sure by pressing the reset button with a screwdriver.
Fit the appliance cover and secure with the screw.
Switch the mains power ON.
Check the function of the appliance.
Remove the protective foil from the appliance cover fascia.
Appliance handover
Explain the appliance function to users and familiarise them
with its operation.
Make the user aware of potential dangers, especially the risk
of scalding.
Hand over these instructions.
11.2 Recommissioning
!
Material losses
In order to prevent damage to the bare wire heating sys-
tem, return the appliance into use by the following steps
after the water supply has been interrupted:
Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
Open the tap until the appliance and its upstream
cold water inlet pipe are free of air.
Switch the mains power back ON again.
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