Honeywell HON 512 User And Maintenance Manual page 54

Start-up
HON 512 with HON 650 pilot user manual
Proceed as follows:
Step Description
1 Slowly open the inlet shut-off device (1).
Result: The inlet pressure will be present at the gas pressure regulator (2).
2 Wait for the following to occur:
▪ The actuator assembly will open first. You can observe this by monitoring the visual
position indicator.
▪ The actuator assembly will close. You can observe this by monitoring the visual position
indicator.
Result: The reseating pressure set with the pilot will be reached in the outlet chamber. The
outlet pressure will be present inside the outlet chamber upstream of the outlet shut-off
device.
3 Slowly open the outlet shut-off device (3).
4 Monitor the gas pressure regulator's control behavior for a few minutes. If required, adjust
the settings as specified in Adjusting the settings of the device (see page 55).
Transport, installation and start-up
54