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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.
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.
14.3 Descaling the appliance
Material losses
!
Never treat the cylinder surface 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.
14.4 Replacing the power cable
The power cable must only be replaced by a qualified contractor
with an original spare part. Alternatively, the H05VV-F3x1.0 cable
may be used.
14.5 Checking the earth conductor
f Pull off the temperature selector and the limiting ring.
f Check the earth conductor (in Germany DGUV V3 for exam-
ple) across a temperature controller fixing screw and the
earth conductor contact of the power cable.
www.stiebel-eltron.com
14.6 Positioning the temperature sensor in its
protective pipe
f When replacing the temperature controller, guide the tem-
perature sensor into its protective pipe.
f Secure the temperature sensor in place below the earthed
plug.
L1
185
L1 Temperature controller
L1
15. Specification
15.1 Dimensions and connections
ESH 5 U-N Trend
252
140
c06
c01
100
c01
Cold water inlet
Male thread
c06
DHW outlet
Male thread
i13
Wall mounting bracket
ESH 5 U-N Trend | ESH 5 O-N Trend |
ESH 5 U-N Trend
ESH 5 O-N Trend
185
233
70
i13
ESH 5 U-N Trend
200
G 3/8 A
G 3/8 A
19
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