Emerson Rosemount 485 Annubar Bedienungsanleitung

Quick Start Guide

00825-0700-4809, Rev BA

June 2016

Rosemount™485 Annubar™Threaded

Assembly

June 2016

Quick Start Guide

NOTICE

This guide provides basic guidelines for Rosemount 485. It does not provide instructions for configuration,

diagnostics, maintenance, service, troubleshooting, Explosion-proof, Flameproof, or Intrinsically Safe (I.S.)

installations. Refer to Rosemount 485 Annubar Reference Manual for more instruction. This manual is also

available electronically on EmersonProcess.com/Rosemount.

If the Rosemount 485 was ordered assembled to a Rosemount Pressure Transmitter, see the following Quick

Start Guides for information on configuration and hazardous locations certifications:

Rosemount 3051S Series Pressure Transmitter and Rosemount 3051SF Series Flowmeter Quick Start

Guide.

Rosemount 3051S MultiVariable Transmitter and Rosemount 3051SF Series Flowmeter MultiVariable

Transmitter Quick Start Guide.

Rosemount 3051 Pressure Transmitter and Rosemount 3051CF Series Flowmeter Transmitter Quick

Start Guide.

Rosemount 2051 Pressure Transmitter and Rosemount 2051CF Series Flowmeter Transmitter Quick

Start Guide.

Process leaks may cause harm or result in death. To avoid process leaks, only use packings designed to seal

with the recommended torque value to seal process connections. Flowing medium may cause the

Rosemount 485 Annubar Assembly to become hot and could result in burns.

Contents

Location and orientation . . . . . . . . . . . . . . . . . . 5

Drill sensor holes . . . . . . . . . . . . . . . . . . . . . . . . 11

Prepare for welding . . . . . . . . . . . . . . . . . . . . . . 11

Weld the mounting hardware . . . . . . . . . . . . . 12

Insert the Rosemount Annubar Sensor . . . . . 12

Product certifications . . . . . . . . . . . . . . . . . . . . 15

Quick Start Guide

June 2016

Figure 1. Rosemount 485 Annubar Threaded Assembly Exploded View

Table 1. Isolation Valves

A. See Figure 2 for detail.

B. Remote mount connection with isolation valves

C. Integrated valve low (VL)

D. Integrated valve high (VH)

E. 2⫻Elbows

F. Threaded weld coupling

G. Remote mount connection

Name Description Position Purpose

VH Integrated Isolation

Valve High(1)

1. High pressure

Letter “H” side of the

Remote Mount Connection Isolates high side or low side pressure

from the process

VL Integrated Isolation

Valve Low(2)

2. Low pressure

Letter “L” side of the Remote

Mount Connection

June 2016

Quick Start Guide

Figure 2. Rosemount 485 Annubar Threaded Packing Assembly Detail

Exploded View(1)

A. 3⫻Packaging rings

B. Follower

C. Nut

D. Retaining ring

E. Rosemount 485 Annubar Sensor

1. Image scale = 3/2.

Quick Start Guide

June 2016

1.0 Location and orientation

Correct orientation and straight run requirements must be met for accurate and

repeatable flow measurements. Refer to Table 2 for minimum pipe diameter

distances from upstream and downstream disturbances.

Table 2. Straight Run Requirements

In plane____________Out of plane Upstream pipe diameters

Downstream

pipe diameters

Without

straightening

vanes

With straightening

vanes

plane

Outof

plane

A’ CC’ B

N/A

June 2016

Quick Start Guide

Note

Consult the factory for instructions regarding use in square or rectangular

ducts.

If proper lengths of straight run are not available, position the mounting such

that 80% of the run is upstream and 20% is downstream. This will result in

degraded accuracy.

Use straightening vanes to reduce the required straight run length.

Row 6 in Table 2 applies to gate, globe, plug, and other throttling valves that

are partially opened, as well as control valves.

1.1 Misalignment

Rosemount 485 installation allows for a maximum misalignment of 3°.

Figure 3. Misalignment

N/A

Quick Start Guide

June 2016

1.2 Flowmeter orientation

Figure 4. Flowmeter Orientation for Liquid

Remote mount; for low temperature (<450 °F/232 °C)

Horizontal liquid Vertical liquid(1)

1. Downward flow is not recommended.

Remote mount; for high temperature (<600 °F/315 °C)

Horizontal liquid Vertical liquid(1)

Recommended

Zone 30 30 Recommended

Zone 30

Flow

360

Flow

Recommended

Zone 30 30

Recommended

Zone 30

Flow

360

Flow

June 2016

Quick Start Guide

Figure 5. Flowmeter Orientation for Gas

Remote mount; for low temperature (<450 °F/232 °C)

Horizontal gas Vertical gas

Remote mount; for high temperature (<600 °F/315 °C)

Horizontal gas Vertical gas

Recommend Zone 90

Flow

360

Flow

Recommend Zone 90

Flow

360

Flow

Quick Start Guide

June 2016

Figure 6. Flowmeter Orientation for Steam

Remote mount; for low temperature (<450 °F/232 °C)

Horizontal steam Vertical steam(1)

1. Downward flow is not recommended.

Remote mount; for high temperature (<600 °F/315 °C)

Horizontal steam Vertical steam(1)

Recommended

Zone 30 30 Recommended

Zone 30

Flow

360

Flow

Recommended

Zone 30 30

Recommended

Zone 30

Flow

360

Flow

June 2016

Quick Start Guide

1.3 Top mounting the flowmeter for steam

Top mounting for steam applications is an alternate mounting option in some

cases. Consult Rosemount Customer Central for instructions regarding steam on

top mounting. Top mounting in steam is an alternative mounting method for

steam installations that can be used if there are space restrictions or other

concerns. This installation method is intended for applications that run with

limited interruptions or shutdowns. Also, top mounting can reduce or eliminate

the need for heat tracing in outdoor applications that do not experience

shutdowns during cold weather.

Figure 7. Remote Mount; Horizontal Top Mounting for Steam

This orientation can be used for any steam temperature. The impulse piping

should slope up slightly from the instrument connections on the Rosemount

Annubar to the cross fittings, allowing condensate to drain back into the pipe.

From the cross fittings, the impulse piping should be routed downward to the

transmitter and the drain legs. The transmitter should be located below the

instrument connections of the Rosemount Annubar primary element. Depending

on the environmental conditions, it may be necessary to insulate the mounting

hardware.

60° 60°

Recommended

Zone

60°

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