Emerson Fisher 4194- User Manual

Emerson Fisher 4194

Emerson Fisher 4194– User Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – Instruction Manual; Section 1; Scope of Manual
  • Page 3 – Table 1‐1. Specifications
  • Page 4 – Table 1‐2. Available Configurations for Fisher 4194S Controllers; Table 1‐4. Supply Pressure Data
  • Page 5 – Specifications; WARNING; Specifications for 4194S controllers are listed in table 1‐1.; Educational Services
  • Page 7 – Section 2 Installation; Actuator Mounting
  • Page 8 – Figure 2‐1. Typical Actuator Mounting; Figure 2‐3. Wall Mounting; Figure 2‐4. Pipestand Mounting
  • Page 9 – Pressure Connections; Figure 2‐5. Location of Connections; Process Pressure
  • Page 10 – Supply Pressure; Vent
  • Page 11 – Section 3; Operating Information; Adjustments; Manual Set Point; CAUTION; Changing Controller Action
  • Page 12 – Prestartup Checks; Note; Figure 3‐1. Location of Controller Parts and Adjustments
  • Page 13 – between DIRECT and REVERSE.; Startup
  • Page 14 – Calibration; Process Zero and Span Adjustment; turning the zero adjustment screw.; Remote Set Point Zero and Span Adjustment (Option M)
  • Page 15 – and turning the zero adjustment screw.; Setting Switching Points; Direct‐Acting Controllers
  • Page 16 – Figure 3‐3. Curve for Determining Proportional Band Setting
  • Page 17 – Reverse‐Acting Controllers; Principle of Operation; Overall Operation
  • Page 18 – Figure 3‐4. Schematic of Operation for Fisher 4195S Controllers
  • Page 19 – Figure 3‐5. Schematic of Auto/Manual Option
  • Page 21 – Section 4; Shut off the supply pressure to the controller.
  • Page 22 – Figure 4‐1. Maintenance Guide; Troubleshooting
  • Page 23 – Table 4‐1. Troubleshooting Chart; Lift the proportional band indicator cover as shown in figure 4‐2.
  • Page 24 – Figure 4‐2. Changing Controller Action; Replacing Common Controller Parts
  • Page 25 – set point adjustment and under the process indicator.; Relay; and does not require an O‐ring.
  • Page 27 – Install the replacement tubing assemblies.; Proportional Band Knob, Nozzle Pivot, and Set Point Beam Assembly
  • Page 28 – lubricant to the O‐ring.
  • Page 30 – Figure 4‐7. Nozzle‐Flapper Positioning
  • Page 32 – for location of the link.
  • Page 33 – Figure 4‐9. Exploded View of Flexure Pivot Assembly
  • Page 34 – Figure 4‐10. Link 2 Number Adjustment; Positive Feedback Bellows
  • Page 35 – Figure 4‐11. Cutaway View of Bellows Assembly
  • Page 36 – Refer to the Flapper Alignment procedures.; Links; Link Number 1; proportional band between DIRECT and REVERSE.
  • Page 37 – Figure 4‐12. Link Location
  • Page 38 – Figure 4‐13. Process Pointer Alignment; Link Number 2; the proportional band between DIRECT and REVERSE.
  • Page 39 – Connect link number 1 to the pivot arm.; Link Number 4; Figure 4‐14. Link Number 3 Adjustment
  • Page 40 – Link Number 5; Long Pivot Assembly
  • Page 41 – Refer to the Maintenance Calibration procedure.; Process Tubing; Refer to figure 5‐2 for key number location.
  • Page 42 – Reconnect the process pressure connections.; Maintenance Calibration; Refer to the Maintenance WARNING on page 21.; Precalibration Procedures
  • Page 44 – Flapper Alignment
  • Page 47 – Drive Flexure; Tubing
  • Page 48 – Refer to the Maintenance Calibration procedure.; Link A; arms on the two pivots.; Link B; arm and from the set point indicator assembly.; Precalibration Procedure
  • Page 49 – Setting the Travel Stops; Aligning the Linkage
  • Page 50 – Linearity Adjustment
  • Page 51 – Refer to figures 4‐19, 5‐4, and 5‐5 for key number locations.; Disassembly; Refer to figure 5‐5 for key number location.
  • Page 52 – Assembly; flats on the lever assembly shaft.
  • Page 53 – eliminate loading the range spring.
  • Page 54 – Replacing the Loader Valve Plug and Valve Plug Spring
  • Page 55 – Section 5; Parts Kits
  • Page 57 – Mounting Parts
  • Page 58 – Figure 5‐1. Controller Assembly Drawing
  • Page 59 – Figure 5‐2. Capsular Element Assembly
  • Page 60 – Figure 5‐3. Remote Set Point Assembly Drawing
  • Page 61 – Figure 5‐4. Auto/Manual Station Parts Location
  • Page 62 – Figure 5‐5. Auto/Manual Station Assembly Drawing
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Fisher

r

4194S Differential Pressure Controllers

Contents

1. Introduction

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Scope of Manual

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Description

2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Specifications

5

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Educational Services

5

. . . . . . . . . . . . . . . . . . . . . . . . .

2. Installation

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Actuator Mounting

7

. . . . . . . . . . . . . . . . . . . . . . . . . .

Panel Mounting

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Wall Mounting

7

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pipestand Mounting

7

. . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Connections

9

. . . . . . . . . . . . . . . . . . . . . . . .

Process Pressure

9

. . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Supply Pressure

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Vent

10

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Remote Set Up Point Pressure (Option M)

10

. . . . . . .

3. Controller Operation

11

. . . . . . . . . . . . . . . . . . . . . . .

Operating Information

11

. . . . . . . . . . . . . . . . . . . . . .

Adjustments

11

. . . . . . . . . . . . . . . . . . . . . . . . . . .

Manual Set Point

11

. . . . . . . . . . . . . . . . . . . . . . . .

Remote Set Point

11

. . . . . . . . . . . . . . . . . . . . . . .

Proportional Band (Differential Gap)

11

. . . . . . .

Changing Controller Action

11

. . . . . . . . . . . . . . .

Auto/Manual Switching (Option E)

11

. . . . . . . . .

Prestartup Checks

12

. . . . . . . . . . . . . . . . . . . . . . .

Startup

13

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Calibration

14

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Process Zero and Span Adjustment

14

. . . . . . . .

Remote Set Point Zero and Span

(Option M)

14

. . . . . . . . . . . . . . . . . . . . . . . . . .

Setting Switching Points

15

. . . . . . . . . . . . . . . . .

Direct‐Acting Controllers

15

. . . . . . . . . . . . . . . . .

Reverse‐Acting Controllers

17

. . . . . . . . . . . . . . .

Principle of Operation

17

. . . . . . . . . . . . . . . . . . . . . . .

Overall Operation

17

. . . . . . . . . . . . . . . . . . . . . . .

Remote Set Point

19

. . . . . . . . . . . . . . . . . . . . . . .

Auto/Manual Option

19

. . . . . . . . . . . . . . . . . . . . .

4. Maintenance

21

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Troubleshooting

22

. . . . . . . . . . . . . . . . . . . . . . . . . . . .

Changing Controller Action

23

. . . . . . . . . . . . . . . . . .

Replacing Controller Parts

24

. . . . . . . . . . . . . . . . . . . .

Process Pressure Scale

24

. . . . . . . . . . . . . . . . . . .

Relay

25

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Case and Cover

26

. . . . . . . . . . . . . . . . . . . . . . . . .

Gauges

26

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Pressure Control Block

26

. . . . . . . . . . . . . . . . . . .

Figure 1‐1. Fisher 4194S Differential Pressure
Controllers

NAMEPLATE

W3613

W5663‐1

Supply Tubing and Positive

Feedback Tubing Assemblies

27

. . . . . . . . . . .

Proportional Band Knob, Nozzle

Assembly, and Set Point
Beam Assembly

27

. . . . . . . . . . . . . . . . . . . . . .

Flapper Flexure Pivot Assembly

31

. . . . . . . . . . . .

Positive Feedback Bellows

34

. . . . . . . . . . . . . . . .

Links

36

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Link Number 1

36

. . . . . . . . . . . . . . . . . . . . . . . . .

Link Number 2

38

. . . . . . . . . . . . . . . . . . . . . . . . .

Instruction Manual

D200158X012

4194S Controllers

December 2011

"Loading the manual" means you need to wait until the file loads and becomes available for online reading. Some manuals are very large, and the time they take to appear depends on your internet speed.

Summary

Page 2 - Instruction Manual; Section 1; Scope of Manual

Instruction Manual D200158X012 4194S Controllers December 2011 2 Contents (cont'd) Link Number 3 39 . . . . . . . . . . . . . . . . . . . . . . . . . Link Number 4 39 . . . . . . . . . . . . . . . . . . . . . . . . . Link Number 5 40 . . . . . . . . . . . . . . . . . . . . . . . . . Long Pivot Assem...

Page 3 - Table 1‐1. Specifications

Instruction Manual D200158X012 4194S Controllers December 2011 3 Table 1‐1. Specifications Available Configurations See table 1‐2 Sensing Element Range (Input Signal) Lower and Upper Range Limits: As shown in table 1‐3 Maximum Allowable Pressure: As shown in table 1‐3 Process Scale Matched to the ra...

Page 4 - Table 1‐2. Available Configurations for Fisher 4194S Controllers; Table 1‐4. Supply Pressure Data

Instruction Manual D200158X012 4194S Controllers December 2011 4 Table 1‐2. Available Configurations for Fisher 4194S Controllers CONTROLLER (1) OPTIONS Internal Auto/Manual Station, Option E Remote Set Point, Option M 4194S 4194SE 4194SM 4194SME X X XX 1. Reverse‐acting constructions are designated...

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