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Model 764 Differential Pressure Transmitter
Section 3
Startup Procedure
To operate the transmitter, perform the following steps.
1. Close the transmitter shut-off valves.
2. Close the transmitter drain valves and calibration connection valves.
3.
Open the main block valves at the process connections.
4.
Slowly open the transmitter shut-off valves.
5.
Apply electrical power to the transmitter loop.
Shutdown Procedure
To shut down operations, perform the following steps.
1. Remove electrical power from the transmitter loop.
2. Close the transmitter shut-off valves.
3.
Close the main block valves at the process connections.
4.
Open the transmitter drain valves and remove all pressure from the unit.
