Stiebel Eltron HDB-E 21 Si — установка и пусконаладка водонагревателя: пошаговое руководство [27/80]
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Stiebel Eltron HDB-E 21 Si — установка и пусконаладка водонагревателя: пошаговое руководство [27/80]

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Stiebel Eltron HDB-E 24Si [27/80] Shutting down
ENGLISH
www.stiebel-eltron.com HDB-E Si | 27
INSTALLATION
Commissioning
f Adjust the wall clearance and lock the back panel with the
fixing toggle by turning it clockwise through 90°.
11. Commissioning
WARNING Electrocution
Commissioning may only be carried out by an authorised
contractor in accordance with safety regulations.
11.1 Commissioning
26_02_02_1375
f Open and close all connected draw-off valves several times.
until all air has been vented from the pipework and the
appliance.
f Carry out a tightness check.
f 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.
f Fit the appliance cap and secure it with a screw.
f Switch the mains power ON.
f Check the function of the appliance.
f Remove the protective foil from the user interface.
Appliance handover
f Explain the appliance function to users and familiarise them
with its operation.
f Make users aware of potential dangers. especially the risk of
scalding.
f Hand over these instructions.
11.2 Recommissioning
!
Material damage
Following an interruption of the water supply. recommis-
sion the appliance by carrying out the following steps. in
order to prevent the destruction of the bare wire heating
system.
f Disconnect the appliance from the power supply by
removing the fuses/tripping the MCBs.
f Open the tap until the appliance and its upstream
cold water inlet line are free of air.
f Switch the mains power back ON again.
12. Shutting down
f Isolate all poles of the appliance from the power supply.
f Drain the appliance (see chapter “Maintenance”).

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