Operation
7 Operation
7.1 Reading mark at flow meter
20
For safety reasons, liquid must be able to escape via the dis-
charge line of the safety valve during heating.
X X
Do not shut off the safety valve.
X
If the safety valve has responded, check the system prior
to resuming operation.
Proper operation is only possible if the ball valves are open (0°
setting, see fig. 6, page 18).
The lower edge of the float is the reading mark at the flow me-
ter.
Fig. 7: Reading mark at flow meter