Emerson Rosemount 3051CF Series Reference Manual page 74

Hardware installation
July 2020
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (open)
F. Drain/vent valve
Procedure
1. To zero trim the transmitter, close the isolate valve on the low side (downstream)
2. Open the equalize valve to equalize the pressure on both sides of the transmitter.
3. After zeroing the transmitter, close the equalize valve.
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side of the transmitter.
A. Drain/vent valve
B. Isolate (open)
C. Equalize (closed)
D. Process
E. Isolate (closed)
F. Drain/vent valve
The manifold is now in the proper configuration for performing a zero trim on the
transmitter.
A. Drain/vent valve
B. Isolate (open)
C. Equalize (open)
D. Process
E. Isolate (closed)
F. Drain/vent valve
Reference Manual
00809-0100-4774
Rosemount 3051