18
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°
e
E
D
00000
45
67
5
» 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.
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.
26
_0
2_0
6_0
21
9
L1
L1 Temperature controller
Huz 5 ÖKO Comfort
Hoz 5 Comfort
L1
185
200
15.
Specification
15.1
Dimensions and connections
Huz 5 ÖKO Comfort
e
E
100
263
140
70
230
242
443
279
141
c06
c01
i13
D
00000
18
55
9
Huz 5 ÖKO Comfort
c01 Cold water inlet
Male thread
G 3/8 A
c06 DHW outlet
Male thread
G 3/8 A
i13 Wall mounting bracket
Содержание 222154
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