Emerson Rosemount 644h Manual descarregar pdf (Página 63)

Special Mounting Considerations

Mounting a Model 644H to a DIN Rail G-Rail Top Hat Rail

1. Assemble the appropriate rail clip

(part number 00644-5301-0001).

2. Attach the transmitter to a rail or panel.

3. Attach the thermowell to the pipe or process

container wall and attach sufficient lengths of

sensor lead wire. Tighten the connection

head cover.

4. Run the sensor lead wires from to the sensor

and set the transmitter failure mode switch.

5. Attach the sensor and power leads to the

transmitter.

Use with an Existing Threaded Sensor Connection Head

To mount the Models 644H and 244EH in an existing L1

connection head, assemble the Model 644H retrofit kit

(part number 00644-5321-0001) to the transmitter as

shown. Then mount the assembly in the connection

head.

644-5301B01B,D01B

Kit includes replacement

bracket and screw

644-644-5051A01A

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Emerson Rosemount 644h Manual Página 63