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ENGLISH
www.stiebel-eltron.com SHC 10 AU | SHC 15 AU | 7
INSTALLATION
Commissioning
10. Commissioning
WARNING ELECTROCUTION
Commissioning may only be carried out by a qualified
contractor in accordance with safety regulations.
10.1 Initial start-up
1. 2.
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Either open the DHW valve of the tap or set the lever mixer
tap to "hot" until the water that flows out is free of air
bubbles.
Insert the plug into the standard socket or set the fuse/MCB
in the fuse box.
Check the function of the appliance. Ensure that the tempera-
ture controller switches off.
Check that the safety valve is working correctly.
Check the entire hydraulic installation for tightness.
Note
If you fail to follow the correct sequence (first water, then
power), the high limit safety cut-out of the water heater
will trip.
Proceed as follows:
Make the high limit safety cut-out operational by
pressing the reset button (see chapter "Installation/
Troubleshooting/ Activating the high limit safety
cut-out").
10.1.1 Appliance handover
Explain the functions of the appliance to the user. Show the
user how to operate the appliance.
Make the user aware of potential dangers, especially the risk
of scalding.
Hand over these instructions and, if applicable, the instruc-
tions for any accessories.
10.2 Recommissioning
See chapter "Installation/ Commissioning/ Initial start-up".
11. Shutdown
Isolate the appliance from the power supply by removing the
plug or by tripping the MCB in the fuse box.
Drain the appliance (see chapter "Installation/ Maintenance/
Draining the appliance").
12. Troubleshooting
Fault Cause Remedy
The appliance does
not supply hot water.
The high limit safety
cut-out has tripped.
Remedy the cause of the fault.
If necessary, replace the com-
bined temperature controller/
high limit safety cut-out. Make
the high limit safety cut-out
operational by pressing the
reset button on the high limit
safety cut-out (see chapter
"Installation/ Troubleshooting/
Activating the high limit safety
cut-out").
The controller is faulty.
Replace the combined tem-
perature controller/ high limit
safety cut-out.
The flanged immersion
heater is faulty.
Replace the flanged immersion
heater.
Loud boiling noises
inside the appliance.
The appliance is scaled
up.
Descale the appliance.
Water drips from the
safety valve after
heat-up.
The safety valve is
scaled up or dirty.
Clean/ descale the valve seat.
12.1 Activate high limit safety cut-out
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Open the appliance (see chapter "Installation/ Maintenance/
Opening the appliance").
Press the reset button on the high limit safety cut-out.
Close the appliance cover.
13. Maintenance
WARNING ELECTROCUTION
Before any work on the appliance, disconnect all poles of
the appliance from the power supply.
Dismantle the appliance for maintenance work.
13.1 Checking the safety valve
Check the function of the safety valve regularly.
13.2 Draining the appliance
WARNING Burns
Hot water may escape during the draining process.
Drain the appliance via its connectors.
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