Appliance Shutdown; Recommissioning; Troubleshooting; Maintenance - STIEBEL ELTRON PSH 30 Si Operation And Installation Manual

INSTALLATION

Appliance shutdown

11.2.1 Appliance handover
f Explain the function of the appliance and safety valve to the f
user. Show the user how to operate the appliance.
f Make the user aware of potential dangers, especially the risk f
of scalding.
f Hand over these instructions. f
12. Appliance shutdown
If you ever want to take the appliance out of use, carry out the
following steps:
f Isolate the appliance from the power supply. f
f Close the shut-off valve in the cold water inlet line. f
f Drain the appliance (see chapter "Installation / Maintenance / f

Draining the appliance").

12.1 Recommissioning

See chapter "Initial start-up".

13. 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
The water does not heat Controller faulty. The
up and the heating indi- high limit safety cut-out
cator does not illuminate. has tripped.
Temperature below
-15 °C. The high limit
safety cut-out has
tripped.
The water does not heat Heating element faulty.
up and the ON/OFF indi-
cator illuminates.
The water does not heat Temperature controller
up sufficiently and the faulty.
ON/OFF indicator illumi-
nates.
The heat-up time is very Heating element scaled
long and the ON/OFF in- up.
dicator illuminates.
The safety valve drips Valve seat dirty.
when heating is switched
off.
Water pressure too high. Install a pressure reduc-
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Reset button, high limit safety cut-out

14. Maintenance

Remedy

14.1 Checking the safety valve

Remedy the cause of the
fault. Replace the con-
f Check the safety valve regularly. f
troller.
Press the reset button of
the high limit safety cut- 14.2 Draining the appliance
out (see diagram).
Replace the heating el-
ement.
Replace the temperature
To drain the appliance for maintenance work or if there is a risk
controller.
of frost, proceed as follows:
f Close the shut-off valve in the cold water inlet line. f
Descale the heating el-
f Open the DHW valves of all draw-off points until the appli- f
ement.
ance is fully drained.
Clean the valve seat.
f Drain any residual water from the safety valve. f

14.3 Checking/replacing the protective anode

ing valve.
f Check the protective anode after the first year of use and re- f
place if necessary.
f Next, decide the time intervals at which further checks f
should be carried out.

14.4 Descaling

f Remove loose scale deposits from the water heater. f
f Descale the inner cylinder with commercially available des- f
caling agents if necessary.
f Descale the flange only after removal. f
f Never treat the cylinder surface or the protective anode with f
descaling agents.
WARNING Electrocution
Carry out all electrical connection and installation work
in accordance with relevant regulations.
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
WARNING Burns
Hot water may escape during draining.
PSH 30-150 Si | 11