Taking The Appliance Out Of Use; Troubleshooting; Maintenance; Checking The Safety Valve - Stiebel Eltron HSTP 200 Utilisation Et Installation

Installation

Taking the appliance out of use

1
1 Limiter disc
2 Without limiter disc, maximum 82 °C
f You can set the limit to 45 °C / 60 °C by rotating the limiter f
disc. After removing the limiter disc, the maximum tempera-
ture can be set.
f Replace the control panel cover and temperature selector. f
13. Taking the appliance out of use
f Isolate the appliance from the power supply by means of the f
fuse/MCB in your fuse box/distribution panel.
f Drain the appliance. See chapter "Maintenance / Draining the f
appliance".

14. 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
The water does not heat The high limit safety
up. cut-out has responded
because the thermostat
is faulty.
The high limit safety
cut-out has responded
because the temperature
has dropped below -15
°C.
The booster heater does
not switch on.
A heating element is
faulty.
The safety valve drips The valve seat is con-
when the heating is taminated.
switched off.
1 High limit safety cut-out reset button
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15. Maintenance

2
If you need to drain the appliance, observe chapter "Draining the
appliance".

15.1 Checking the safety valve

f Regularly vent the safety valve on the safety assembly until a

15.2 Draining the appliance

If the appliance needs to be drained for maintenance or to protect
the whole installation when there is a risk of frost, proceed as
follows:
f Close the shut-off valve in the cold water line.
f Open the hot water taps on all draw-off points.
f Drain the appliance using the drain valve.
Remedy

15.3 Checking / replacing the protective anode

Replace the thermostat
and press the high limit
f Check the protective anode after the first two years of use
safety cut-out reset but-
ton.
Press the reset button.
f Decide the time intervals at which further checks should be
Check the contactor and
replace if required.
Replace the heating ele-
Removing the protective anode
ment.
f Open the zip fastener in the cylinder casing.
Clean the valve seat.
f Cut away the thermal insulation where you can detect the

15.4 Descaling the heating elements

f Never use descaling pumps.
1
f Only descale the flanged immersion heater after dismantling
Torque of the flange screws: see chapter "Specification / Dimen-
sions and connections".
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with relevant regulations.
WARNING Electrocution
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
f
full water jet is discharged.
WARNING Burns
Hot water may escape during draining.
f
f
f
f
and replace if necessary. Check that the maximum transition
resistance between the protective anode and the cylinder is
0.3 Ω. If it is not possible to insert a rod anode from above,
install a segmented anode.
f
carried out.
f
f
protrusion (identification by colour).
f
f
and never treat the cylinder surface or protective anode with
descaling agents.
HSTP | 21