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Maintenance; Specification - AEG Huz 5 OKO Comfort Operation And Installation

Open vented (non-pressurised) small water heater
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Installation – for qualified contractors

14. Maintenance

WARNING Electrocution
Before any work on the appliance, disconnect all
poles of the appliance from the power supply.
» Dismantle the appliance for maintenance work.
14.1 Draining the appliance
WARNING Burns
Hot water may escape during the draining process.
» Drain the appliance via its connectors.
14.2 Opening the appliance
90°
» Pull off the temperature selector and the limiting ring.
» Remove the screws from underneath the tempera-
ture selector.
» Open the appliance cover by lowering the bolt
screws inwards and pivot the cover upwards, then
remove it.
14.3 Descaling the appliance
Material losses
!
Never treat the cylinder surface with descaling
agents.
» Remove the flanged immersion heater.
» Carefully tap the heating element to remove coarse
limescale deposits.
» Immerse the heating element up to the flange plate
in descaling 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
» Pull off the temperature selector and the limiting ring.
» Check the earth conductor (in Germany, e.g.
BGV A3) across a temperature controller fixing screw
and the earth conductor contact of the power cable.
18
14.6 Positioning the temperature sensor in
its protective pipe
» When replacing the temperature controller, guide the
temperature sensor into its protective pipe.
» Secure the temperature sensor in place below the
earthed plug.
L1
Temperature controller
Huz 5 ÖKO Comfort
L1

15. Specification

15.1 Dimensions and connections
Huz 5 ÖKO Comfort
140
263
c01
c06
100
c01 Cold water inlet
c06 DHW outlet
i13
Wall mounting bracket
L1
Hoz 5 Comfort
185
242
230
70
i13
Huz 5 ÖKO Comfort
Male thread
Male thread
200
G 3/8 A
G 3/8 A

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