Unigas E115X-FGR M Series Manual Of Installation - Use - Maintenance page 19

Mounting position MBE / VB / VD
VD-V
VB
Mounting VD-R & PS-...
ActuatorVD-V
VDR
Actuator VD-R
1. Gas pressure regulation is possible with VD-R and PS pressure sensor only.
WARNING! For US/CN installation, the output pressure must be monitoried by
min. and max. pressure switches set to +/- 20% of the setpoint.
2. Mounting on pipe. Sensor position: 5x DN according to MBE. Pipe fitting with
female thread size ¼, mount sensor with seal, observe torque.
3. The pressure sensor includes a vent limiter according to UL 353 and ANSI
Z21.18/CSA 6.3. No venting required in locations where vent limiters are accep-
ted by the jurisdiction.
4. Only PS pressure sensors specified by DUNGS are authorised to be connected
to the VD-R's M12 interface.
5. Only PS cables specified by DUNGS are authorised to be used to connect the PS
The actuator VD-V does not need any adjustment (funzione ON-OFF)

The actuator VD-R It must be combined with the PS sensor (include regolatore di

pressione)
The PS sensor chosen based on the necessary pressure (there are 3 models)

19
PART II: INSTALLATION