KRAL DKC Series - Page 24

8 Installation, removal
8.5 Installing the heating system (optional)
6 6
7
8
3. Remove the lower screw plug8 of the heating duct6 at the station block (figure shows the large
pump station).
1
7
2
6
3
5
4
4. Insert the heating element from below into the heating duct6 and tighten the screw plug of the
heating element4.
5. Large pump station: Prepare the second heating element in the same manner and insert it into
the second heating duct.
6. Remove the upper screw plug7 of the heating duct at the station block.
7. Small pump station: Fill the heating duct up to a maximum of 45 mm under the threaded end of
the screw plug with thermal oil.
-or-
Large pump station: Fill both heating ducts up to a maximum of 70 mm under the threaded end
of the screw plug with thermal oil.
8. Close the heating duct again with the upper screw plug7.
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OID 02en-GB Edition 2019-11
Operating instructions