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INSTALLATION
Commissioning
12. Commissioning
12.1 Initial start-up
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Open a draw-off point until the appliance has filled up and
the pipework is free of air.
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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 assembly.
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Turn the temperature selector to maximum.
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Switch the mains power ON.
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Check the function of the appliance.
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Check the function of the safety assembly.
12.1.1 Appliance handover
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Explain the function of the appliance and safety valve to
users and familiarise them with their operation.
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Make the user aware of potential dangers, especially the risk
of scalding.
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Hand over these instructions.
12.2 Recommissioning
See chapter "Commissioning / Initial start-up".
13. Shutdown
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Disconnect the appliance from the mains at the MCB/fuse in
the fuse box.
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Drain the appliance. See chapter "Maintenance / Draining the
appliance".
14. Troubleshooting
Note
At temperatures below -15 °C the high limit safety cut-out
may respond. The appliance may be subjected to these
temperatures during storage or transport.
Fault
Cause
Remedy
The water does not heat
up.
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 flanged immersion
heater is faulty.
Replace the flanged im-
mersion heater.
The water does not heat
up sufficiently.
The temperature control-
ler is faulty.
Replace the temperature
controller.
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 button, high limit safety cut-out
The reset button is located behind the temperature selector.
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Pull off the temperature selector.
D
00000
48
99
5
1
2
1 Reset button
2 High limit safety cut-out
