10
If no flow rate is indicated, the non-return valve in the
return does not open automatically; the flow path is
blocked.
Open shut-off valve (return)
O
(see diagram on
page 8): Turn the ball valve (thermometer) clockwise
through 45°. This opens a bypass around the non-
return valve. If a flow rate is now indicated, the flow
path is blocked. Perform a test flush to cause the non-
return valve to open (see page 11).
20
5
15
25
10
35
30
l/min
Fig.4
In conjunction with multi stage circulation pumps, set
the required flow rate via the output stage (see the fol-
lowing tables for approximate set values).
Note
With a Solar-Divicon, make the adjustment via shut-off
valve
F
(adjusting screw above the flow indicator).
Fig.5
High-flow operation, specific flow rate 40 l/(h
·
m
2
)
Number of collec-
tors
Flow rate in l/min
2
3
3
4.5
4
6
5
7.5
6
9.5
7
10.5
8
12.5
9
14
10
15.5
11
17
12
18.5
13
20
14
21.5
15
23.5
Low-flow operation, specific flow rate 15 l/(h
·
m
2
)
Number of collec-
tors
Flow rate in l/min
6
3.5
7
4
8
4.5
9
5
10
5.5
11
6.5
12
7
13
7.5
14
8
15
8.5
16
9
18
10.5
20
11.5
Performing a test flush
For components, see diagram on page 8.
Commissioning, inspection, maintenance
Determining the flow rate and adjusting if…
(cont.)
5675 801 GB
