ARI Armaturen ARI-PACO 0,85kN EN - Manual (Page 25)

0040506000 1811 Page 25
Operating and installation instructions
Electric thrust actuator ARI-PACO 0,85 kN
6.2.4 Valve blocking protection, ARI-PACO 0,85 Y
At the time of delivery, the valve blocking protection is switched off. If plant conditions
allow, the valve blocking protection can be activated. The valve blocking protection
prevents the cone from freezing fast after a long-term lack of movement, for example, in the
summer pause for heating systems. For active valve blocking protection, the valve cone is
lifted for a few seconds if there is no travel movement within 24 hours.
Enabling of the valve
blocking protection
Disabling of the valve
blocking protection
by pressing the key by pressing the key once more
For confirmity of the switched-on valve
blocking protection, the LED-indication
flashes for 3 sec.
For confirmity of the switched-off valve
blocking protection, the LED-indication
switches off for 3 sec.
The key with the LED is below the actuator hood.