Yokogawa EJX210B Manual de usuario descargar pdf (Pagina 19)

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101

<4. Installation>

4-1

IM 01C27C01-01EN

4. Installation

4.1 Precautions

Before installing the transmitter, read the cautionary

notes in Section 2.4, “Selecting the Installation

Location.” For additional information on the

ambient conditions allowed at the installation

location, refer to Subsection 11.1 “Standard

Specications.”

NOTE

To connect this transmitter to the eld wireless

network, the information on connecting to eld

wireless devices needs to be set beforehand.

Refer to 7.4 “Connecting to the Field Wireless

Network.”

IMPORTANT

• When welding piping during construction,

take care not to allow welding currents to

ow through the transmitter.

• Do not step on this instrument after

installation.

• Never loosen the four bolts securing the

cover anges (Refer to gure 3.1.) If the seal

liquid leaks, the transmitter cannot be used.

4.2 Mounting

The transmitter is mounted on a process using its

high-pressure side ange as shown in Figure 4.1.

The mating ange, gasket, stud bolts and nuts are

to be procured by the customer.

Gasket

Stud bolt

Nut

F0401.ai

Figure 4.1 Transmitter Mounting

IMPORTANT

Please use a gasket with an inside diameter

(ød) that is greater than the diameter of the

diaphragm seal. If a gasket with a smaller

inside diameter is used, the diaphragm may

not function correctly. (Refer to Subsection 11.4

‘Dimensions’)

4.3 Rotating Transmitter Section

WARNING

Intrinsic safe type transmitters must be, as a rule,

do not rotate transmitter section if it is powered.

In case you need to rotate when the transmitter

is powered, using gas detector and conrm no

existence of explosive gas before rotating.

The transmitter section can be rotated in either

direction to any desired position. Note that there is

a stopper which prevents the transmitter from being

rotated more than 360°.

1) Using the Allen wrench, remove the ve

setscrews securing the transmitter section to

the capsule assembly.

2) Rotate the transmitter section slowly to the

desired position.

3) Tighten the ve setscrews to a torque of 1.5

N·m {15 kgf·cm}.

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