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INSTALLATION
Maintenance
14. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
f Dismantle the appliance for maintenance work.
f Observe the tightening torque of the flange screws (see
chapter "Installation / Maintenance / Installing the flanged
immersion heater").
14.1 Draining the appliance
WARNING Burns
Hot water may escape during draining.
f Drain the appliance via its connectors.
14.2 Opening the appliance
f Pull off the temperature selector and the limiting ring.
f Remove the screws from underneath the temperature
selector.
f Open the appliance cover by lowering the bolt screws in-
wards and pivot the cover upwards, then remove it.
SH 10 SLi | SH 15 SLi
f Undo the tie (anti-tip protection).
14.3 Installing the flanged immersion heater
Torque value of the flange screws
20
| SHU 10 | SH 10 | SH 15
Nm
14.4 Checking the protective anode
f Check the protective anode for the first time 2 years after
installation. This requires removal of the flanged immersion
heater. Replace the protective anode if consumed.
f Decide the intervals in which further checks should be car-
ried out.
Fitting the protective anode
f To include the steel cylinder in the equipotential bonding,
observe the order of the fixing elements when fitting the
protective anode.
14.5 Descaling the appliance
Material losses
!
Never treat the protective anode with descaling agents.
f Remove the flanged immersion heater.
f Carefully tap the heating element to remove coarse limescale
deposits.
f Immerse the heating element up to the flange plate in desca-
ling agent.
14.6 Checking the earth conductor
f Check the earth conductor (in Germany DGUV3 for example)
across a water connector and the earth conductor contact of
the power cable.
14.7 Replacing the power cable
The power cable must only be replaced by a qualified contractor
with an original spare part. As an option, you can also use the
following cables:
2 kW appliance
- H05VV-F3x1.0
6±1
f Route the power cable along the cable guide.
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