Fujimoto Fuji Differential Pressure Transmitter FKK 4 - Manual (Page 14)

8
(2) Shutdown of differential pressure transmitter
Set the shutdown status by manipulating the manifold valve.
Turn off power supply.
Close the stop valve on the high pressure side (H side)
slowly.
Open the equalizing valve.
Close the stop valve on the low pressure side (L side)
slowly.
Close
Open
Close
Before a long shutdown, discharge the process fluid and drain completely from
the transmitter.
This is to protect the transmitter from freezing, corrosion, etc.
Important