Emerson Rosemount 3051 Reference Manual page 66

Hardware installation
August 2019
2. Open the equalize valve on the high pressure (upstream) side of the transmitter.
3. Open the equalize valve on the low pressure (downstream) side of the transmitter.
66
A. Test (plugged)
B. Isolate (open)
C. Process
D. Equalize (closed)
E. Equalize (closed)
F. Drain vent (closed)
G. Process
H. Isolate (closed)
I. Test (plugged)
A. Test (plugged)
B. Isolate (open)
C. Process
D. Equalize (open)
E. Equalize (closed)
F. Drain vent (closed)
G. Process
H. Isolate (closed)
I. Test (plugged)
The manifold is now in the proper configuration for zeroing the transmitter.
Reference Manual
00809-0100-4007
Rosemount 3051