59
SERIES FE
LOW-PRESSURE GAS REGULATOR | COMMISSIONING | REV. 00
EN
Use, maintenance and warning manual
7.4.1 - COMMISSIONING THE REGULATOR WITH MANUAL RESET
To commission the regulator (A), with and without excess ow shut-off device, proceed as indicated in Tab. 7.37.:
Step Action
1 Slowly open the shut-off valve upstream of the regulator (A) to feed it.
2 Unscrew the protection cap (B) of the reset knob (C).
3 Engage the knob (C) in the cap (B) through the special built-in hook.
4
Slowly pull the knob (C) with the cap (B) until the slam-shut device engages (the knob must not remain inside
the lid (E) of the slam-shut valve).
NOTE!
The greater the resistance encountered when pulling the knob (C), the higher the pressure up-
stream of the gearbox (A).
5
Press the reset button (D) of the excess ow lock-up device, keeping the knob (C) pulled, by about 2/3”.
NOTE!
Keep the knob (C) pulled until the downstream pressure is stable.
6 Put the protection cap (B) back in place.
7
Check that the slam-shut valve for maximum downstream pressure remains triggered.
NOTE!
The slam-shut valve for maximum downstream pressure is triggered if the knob (C) is visible in
the transparent area of the protection cap (B).
Tab. 7.37.
Armato
C
Intervenuto
A
D
C
B
E
B
Fig. 7.12. Commissioning with manual reset
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