Sonnenkraft PSKR18 Handbuch Seite 23

Test flush
Step 1
Turn spindle [B] to the "S" position.
The slot in the spindle is horizontal, the flattened area
points to the left.
Flow ball valve [1] in operating position, return ball valve
[2] in 45° position.
Connect the filling hose to the flushing and filling valve
[4a].
Connect the drain hose to the flushing and filling valve
[4b].
Open the flushing and filling valves and run the test flush
as shown.
Re-close the flushing and filling valves after the flushing
process.
Step 2
Turn spindle [B] of the flow gauge to position "E".
The slot in the spindle is horizontal, the flattened area
points to the right.
Lock the flow ball valve [1], return ball valve [2] in the
operating position.
Connect the drain hose to the flushing and filling valve
[4a].
Connect the filling hose to the flushing and filling valve
[4b].
Open the flushing and filling valves [4a, 4b] and run the
test flush as shown.
Then re-close the flushing and filling valves [4a, 4b].
Service/pump change
Close the return ball valve [2].
Turn spindle [B] to the "E" position.
The slot in the spindle is horizontal, the flattened area
points to the right. Close the flushing and filling valve
[4a], open flushing and filling valve [4b].
The heat transfer medium in the pump can be drained.
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