STIEBEL ELTRON HDB-E Si 01.11.2012 - 31.01.2013 - Manual (Page 24)

24 | HDB-E Si www.stiebel-eltron.com
INSTALLATION
Commissioning
11. Commissioning
WARNING Electrocution
Commissioning may only be carried out by an authorised
contractor in accordance with safety regulations.
11.1 Commissioning
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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”).
13. Troubleshooting
WARNING Electrocution
In order to check the appliance, it must be supplied
with power.
13.1 Display options for LED diagnostic traffic light
Possible indications
Red Illuminates in case of faults
Yellow Illuminates in heating mode
Green Flashing: appliance is supplied with
mains power