Stiebel Eltron PSH 50 Trend [21/92] Commissioning

Stiebel Eltron PSH 100 Trend [21/92] Commissioning
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www.stiebel-eltron.com PSH Trend | 21
INSTALLATION
Commissioning
11. Commissioning
11.1 Commissioning
Note
Fill the appliance with water prior to electrical connec-
tion. If you switch on the appliance while empty, the high
limit safety cut-out will switch it off.
Thoroughly flush out the cold water line before connecting
the appliance, so that no foreign matter gets into the water
heater or safety valve.
Open the shut-off valve in the cold water feed line.
Open a draw-off point until the appliance has filled up and
the pipework is free of air.
Adjust the flow rate. For this, observe the maximum permis-
sible flow rate with a fully opened tap (see chapter "Specifi-
cation/ Data table").
If necessary reduce the flow rate at the butterfly valve of the
safety valve.
Turn the temperature selector to maximum.
Switch the mains power ON.
Check the function of the appliance. Ensure that the thermo-
stat switches off.
Check that the safety valve is working correctly.
11.1.1 Appliance handover
Explain the function of the appliance and safety valve to
users and familiarise them with their operation.
Make users aware of potential dangers, especially the risk of
scalding.
Hand over these instructions.
11.2 Recommissioning
See chapter "Commissioning".
12. Shutting down
Disconnect the appliance from the mains at the MCB/fuse in
the fuse box.
Drain the appliance. See chapter "Maintenance / Draining the
appliance".
13. Troubleshooting
Note
The high limit safety cut-out can respond at temperatures
below –15°C. The appliance may be subjected to these
temperatures during storage or transport.
Fault Cause Remedy
The water does not heat
up and the ON/OFF indi-
cator does not illuminate.
The high limit safety
cut-out has responded
because the controller is
faulty.
Remedy the cause of the
fault. Replace the con-
troller.
The high limit safety
cut-out has responded
because the temperature
has fallen below -15°C.
Press the reset button
(see diagram).
The water does not heat
up and the ON/OFF indi-
cator illuminates.
The heating element is
faulty.
Replace the heating el-
ement.
The water does not heat
up sufficiently and the
ON/OFF indicator illumi-
nates.
The temperature control-
ler is faulty.
Replace the temperature
controller.
The heat-up time is very
long and the ON/OFF in-
dicator illuminates.
The heating element is
scaled up.
Descale the heating el-
ement.
The safety valve drips
when heating is switched
off.
The valve seat is contam-
inated.
Clean the valve seat.
Water pressure is too
high.
Install a pressure reduc-
ing valve.
Reset key, high limit safety cut-out
D0000037143

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