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At the same time, the water filter has a
sealing function.
▶
Replace the water filter in the cold water
flow. For the sealing function, ensure
that it is positioned correctly in the pipe.
▶
Check for deposition in the domestic hot
water pipe between the heating block
and the domestic hot water connection.
▶
When re-assembling the product, insert
a new flat seal into the domestic hot
water connection.
▶
Check whether it is necessary to de-
scale the product. De-scale the product
as required.
▶
If the product needs to be completely
descaled, attach a descaling pump
between the domestic hot and cold wa-
ter connection.
▶
After descaling the product, flush it thor-
oughly with water.
▶
After descaling, draw off water using
the product to remove any air pockets.
(→ Page 40)
11 Decommissioning
11.1 Temporarily decommissioning
the product
1. Disconnect the product from the power
supply.
2. Close the cold water stop valve.
11.2 Permanently decommissioning
the product
1. Disconnect the product from the power
supply.
2. Close the cold water stop valve.
3. Loosen the cold water and hot water
connections.
4. Capture the residual water (up to 0.4
litres) that is left inside the product us-
ing a suitable vessel.
5. Remove the product.
0020288451_00 electronicVED Installation instructions
Decommissioning 11
43
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