Ver
sion:
M
P4/
6 G
3
08/
01
/2024
14
Check the vent valve
5.
Unscrew the red plastic cap.
6.
Check for deposits or water leaks by the vent valve. If these are present, contact
your installation engineer for troubleshooting and remedial actions.
7.
Screw on the red plastic cap.
Check the safety valve’s opening function
Note! This check must be performed quickly so that the system does
not lose too much water and pressure.
The water pressure should be checked when the boiler is cold.
For every quarter of a turn anticlockwise, a popping sound can be heard.
8.
Open and close the valve by turning the black plastic knob a quarter of a turn
anticlockwise twice.
9.
Check that water has entered the drain water tank.
10.
Check that the safety valve is not leaking water after you have closed it.
-
If the safety valve is leaking, turn the plastic knob one more step.
-
If the leak does not stop, turn off the boiler and contact your installation engineer.