oventrop Multidis SF Operating Instructions Manual page 21

„Multidis SF"
Turns
Illustr. 4: Flow chart
Set the flow rate as follows:
Carry out setting whilst the circulation
pump is in operation.
1. Close the valve stem with a 5 mm spanner.
2. Open the valve stem (see Illustr. 3 on
page 20 (4)) by turning anticlockwise
according to the calculated preset value.
(Example: presetting 2.5 = 2.5 turns)
3. Use a 6 mm spanner to turn the adjustment
screw against the valve stem up to the limit
stop.
140655280-V01.02.2020
Technical description
Flow rate qm [kg/h]
The value that was last set can be
restored via the adjustment screw,
e.g. if the heating / cooling circuit is
closed off by the valve stem at a later
stage.
4. Repeat this process for all heating and
cooling circuits.
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