ENGLISH
www.stiebel-eltron.com WWK 220-300 electronic | 21
INSTALLATION
Maintenance and cleaning
14. Maintenance and cleaning
WARNING Electrocution
Prior to all work on the appliance, isolate it from the
power supply.
14.1 Removing the appliance cover
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Undo the screw (Torx) that fastens the control fascia and the
appliance cover to the appliance.
Push the control fascia upwards.
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Remove the control fascia.
A lead connects the operating controls to the appliance PCB.
If necessary, pull the plug from the back of the control fascia
to fully remove the control fascia.
Carefully lift away the appliance cover and undo the earth
cable that runs from the appliance control panel to the cover.
Note
Refit the appliance cover after completing your work. See
chapter "Maintenance and cleaning/ Fitting the appliance
cover").
14.2 Removing the casing ring
Note
If you require more space to work inside the appliance,
you can remove the casing ring on the upper section of
the appliance.
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1
1 Fixing screws on casing ring
The casing ring is fastened with screws.
Undo the fixing screws on the casing ring.
Remove the condensate drain bend and pipe collar of the
drain. Turn anti-clockwise to undo them.
!
Material losses
An earth cable is connected to the inside of the casing
ring. The casing can only be removed after the earth
cable has been detached.
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The casing ring overlaps along the joint. A tab on one end clips
into the recess at the other end of the casing ring.
Ease the casing ring apart, until it can be removed or slid
downwards.
Note
Refit the casing ring after completing the work. See chap-
ter "Maintenance and cleaning/ Fitting the casing ring".
314104-38523-9034_WWK_220-300_electronic_en_pl.indb 21 24.02.2015 10:33:53
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