STIEBEL ELTRON SNE 5 t ECO, Эксплуатация и установка

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iNSTallaTiON
maintenance
12 | SNE 5 t ECO GB www.stiebel-eltron.com
14. Maintenance
WARNING Electrocution
Before any work on the appliance, disconnect all poles
of the appliance from the power supply.
f f
Dismantle the appliance for maintenance work.
14.1 Draining the appliance
WARNING Burns
Hot water may escape during draining.
f f
Drain the appliance via its connectors.
14.2 Cleaning the strainer
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f f
Detach the "cold water inlet" connection.
f f Using pliers, remove the strainer from the "cold water inlet"
connection.
f f
Descale or replace the strainer.
14.3 Opening the appliance
Material losses
Incorrect handling can damage the BUS connection be-
tween the programming unit and the main PCB.
f f
Carefully pivot the appliance cover when opening.
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f f Open the appliance cover by lowering the bolt screws in-
wards and pivot the cover upwards, then remove it.
Material losses
f f
When closing the appliance, stow the BUS cable in
the recess provided in the thermal insulation.
14.4 Descaling the appliance
!
Material losses
Never treat the cylinder surface with descaling agents.
f f Remove the flanged immersion heater.
f f
Carefully tap the heating element to remove coarse limescale
deposits.
f f Immerse the heating element up to the flange plate in desca-
ling agent.