Determining The Flow Rate And Adjusting If Required - Viessmann VITOSOL 100-F Service Instructions Manual

Further details regarding the individual steps
11. Vent the circulation pump. Select
manual mode.
Open the air vent valve on air sep-
arator E.
Leave the circulation pump running
until the float in the flow indica-
tor holds a constant position while
the pump is running.
Note
If there is air in the system, the float
will oscillate.

Determining the flow rate and adjusting if required

Check the flow rate at the top edge of the
float.
l/min
35
30
25
20
15
10
5
In conjunction with multi stage circulation
pumps, set the required flow rate via the
output stage (see the following table for
approximate set values).
Commissioning, inspection, maintenance
12. Close shut-off valve B: Set the ball
valves (thermometers) to vertical
position.
Note
With a Solar-Divicon, make the adjust-
ment via shut-off valve F (adjusting
screw above the flow indicator).
(cont.)
11