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General| Type | Pneumatic Controller |
|---|---|
| Input Signal | 3 to 15 psig |
| Output Signal | 3 to 15 psig |
| Supply Pressure | 20 psi |
| Action | Direct or Reverse |
| Accuracy | ±1% of span |
| Repeatability | ±0.5% of span |
| Enclosure Rating | NEMA 4X |
Overview of the manual's scope, description, and specifications for the controller series.
Detailed instructions for installing the gauge pressure controllers, covering mounting and connections.
Adjustments and procedures for the 4195KA proportional-only controllers.
Adjustments and procedures for the 4195KB and 4195KC series controllers.
Manual scope, controller types, and qualifications for personnel.
Details the functions and control modes of the 4195KA, 4195KB, and 4195KC series controllers.
Lists the technical specifications for the 4195KA, KB, and KC series controllers.
Details configurations, input/output signals, connections, performance, and environmental limits.
Cross-reference table detailing controller modes and options based on type number.
Details pressure ratings for capsular elements in U.S. units, including span and operating limits.
Continues pressure ratings for capsular elements in metric units, including span and operating limits.
Details pressure ratings and standard materials for Bourdon tube sensors.
Lists optional process connection types, sizes, and materials.
Provides data on normal operating and maximum pressure limits for supply.
Covers orientation, pipestand, panel, wall, and actuator mounting for controllers.
Details connection types, sizes, and associated safety warnings.
Identifies specific process pressure connection points (A and B) for different controller types.
Illustrates the components and assembly for pipestand mounting.
Diagram showing dimensions and assembly for panel mounting.
Diagram illustrating the setup for wall mounting the controller.
Details on supply pressure quality, regulators, and safety warnings.
Instructions for connecting remote set point pressure, including range and bleed orifice.
Explains how to connect external feedback for override applications.
Covers vent requirements, safety warnings for hazardous gases, and connection precautions.
Descriptions of adjustments and procedures for prestartup, startup, and calibration.
How to adjust the set point indicator manually or via optional adjustment knob.
Warning against manually moving the set point indicator with remote set point.
How to adjust the proportional band sensitivity using the PB ADJ knob.
Procedure for changing controller action by adjusting the proportional band indicator cover.
Defines direct and reverse control action for positive/compound pressure applications.
Defines direct and reverse control action for vacuum pressure applications.
Instructions and cautions for switching between automatic and manual modes.
Checks to perform before startup, ensuring open loop conditions exist.
Steps to follow for starting up the 4195KA series controller after checks.
General instructions and procedures for calibrating the controller.
Detailed steps for calibrating the process indicator's zero and span.
Continues the step-by-step procedure for calibrating the process indicator's zero and span.
Procedure for calibrating the zero and span of the remote set point.
Diagram showing the locations of various adjustment points for calibration.
Detailed steps for aligning the flapper to ensure proper controller operation.
Explanation of how the 4195KA series controller functions, including overall operation.
Diagram illustrating the internal workings and signal flow of the 4195KA controller.
Describes the operational aspects of the remote set point feature.
Explains the operation of the auto/manual station and the switching process.
Diagram illustrating the auto/manual station's schematic for the 4195KA series.
Descriptions of adjustments and procedures for prestartup, startup, and calibration.
How to adjust the set point indicator manually.
Warning about manually moving the set point indicator with remote set point.
How to adjust the proportional band sensitivity using the PB ADJ knob.
Procedure for changing controller action by adjusting the proportional band indicator cover.
How to adjust the reset time setting for controller response.
How to adjust the rate setting for controller response.
Instructions for adjusting the anti-reset windup differential relief valve.
Caution regarding switching modes without balancing.
Checks to perform before startup, ensuring open loop conditions and correct connections.
Steps to follow for starting up the 4195KB/KC series controller after checks.
General instructions for calibration, emphasizing using external gauges.
Steps for calibrating the process indicator's zero and span.
Diagram showing adjustment locations for 4195KB and KC series controllers.
Steps for calibrating the process scale span, including error correction.
Procedure for calibrating the remote set point zero and span.
Steps for aligning the flapper, ensuring proper controller operation.
Procedure for replacing the relief valve tubing for anti-reset windup.
Detailed steps for flapper alignment and checks for output stability.
Calibration procedure for the differential relief valve for rising controller output pressure.
Calibration procedure for the differential relief valve for falling controller output pressure.
Explanation of the overall operation of the 4195KB and KC series controllers.
Diagram illustrating the proportional-plus-reset control mechanism.
Explanation of how proportional-plus-reset control interacts with feedback.
Diagram illustrating the proportional-plus-reset-plus-rate control mechanism.
Explains how anti-reset windup reduces overshoot and its availability.
Diagram illustrating the reset and rate control functions.
Describes how the remote set point feature operates.
Explains the operation of the auto/manual station.
Describes external feedback for override applications to minimize reset windup.
General guidelines and safety warnings for performing maintenance.
A chart listing common faults, probable causes, and suggested corrections.
General procedures for replacing common controller parts with safety warnings.
Steps for replacing the process pressure scale, with cautions on handling.
Lists common faults, causes, checks, and corrections for controller issues.
Continues the steps for replacing the process pressure scale.
Continues the troubleshooting chart for various controller faults.
Continues the troubleshooting chart covering control point shift and output range issues.
Continues the troubleshooting chart for controller output issues.
Diagram illustrating the process of changing the controller scale.
Steps for removing and installing the controller relay with related diagrams.
Diagram showing the construction details of the controller relay.
Continues the procedure for replacing the controller relay.
Instructions for replacing the controller case and cover assembly.
Procedure for replacing the output or supply pressure gauges with cautions.
Steps for replacing tubing assemblies for supply, proportional, and reset functions.
Detailed disassembly and assembly procedures for these components.
Diagrams showing exploded and assembled views of the proportional band adjustment and set point beam.
Steps to reassemble the proportional band adjustment knob, nozzle, and set point beam.
Illustration of how to set the proportional band adjustment knob.
Diagram showing the correct positioning of the nozzle relative to the flapper.
Continues assembly procedures for the nozzle and set point beam components.
Diagram showing the location of the adjustable set point pivot assembly locking nut.
Final assembly steps for the proportional band adjustment, nozzle, and set point beam.
Procedure to match process pointer motion to set point indicator motion.
Diagram showing bellows assembly and proportional band adjustment components.
Detailed steps for removing and installing the flapper assembly and its pivot.
Diagram illustrating leveling screw alignment for the flapper assembly.
Diagram showing the exploded components of the flexure pivot assembly.
Diagram showing adjustment locations for links 2 and 4.
Note on adjusting link 2 to ensure tension and eliminate lost motion.
Diagram illustrating the adjustment procedure for link 2.
Detailed steps for flapper alignment and adjustments for links and leveling screws.
Note on adjusting link 4 for compression to eliminate lost motion.
Steps for adjusting link 4 to ensure proper compression and eliminate lost motion.
Diagram showing the location and adjustment of Bourdon tube travel stops.
Procedures for installing and adjusting travel stops for Bourdon tubes.
Procedure for calibrating the zero and span of the Bourdon tube controller.
Steps for replacing the reset restriction valve specific to 4195KB series.
Steps for replacing the rate/reset valve assembly specific to 4195KC series.
Continues steps for replacing the rate/reset valve assembly.
Procedure for replacing the differential relief valve for anti-reset windup.
Steps for replacing the relief valve tubing assembly for anti-reset windup.
Detailed steps for removing and installing a Bourdon tube.
Diagram showing the location and adjustment of Bourdon tube controller links.
Diagram showing how to disconnect link 1 from the Bourdon tube.
Describes the replacement of four specific links in the Bourdon tube controller.
Steps for replacing link 1, including adjustments and calibration.
Diagram illustrating process pointer alignment procedures.
Steps for replacing link 2, including pointer alignment and adjustments.
Steps for replacing link 3, including adjustments and checks.
Diagram showing flapper leveling screw and clinch nut.
Diagram showing the position of link 4 adjustment screws.
Steps for replacing link 4, including adjustments and calibration.
Steps for adjusting link 4 to ensure proper compression and eliminate lost motion.
Diagram showing the location and adjustment of Bourdon tube travel stops.
Procedures for installing and adjusting travel stops for Bourdon tubes.
Detailed maintenance procedure for Bourdon tube zero and span calibration.
Note on checking Bourdon tube contact with optional travel stops.
Diagram showing adjustment locations for 4195K series controllers.
Continues steps for Bourdon tube zero and span calibration.
Steps for removing and installing the capsular element assembly.
Diagram showing a cutaway of the long pivot clevis assembly.
Procedures for replacing individual parts of the capsular element assembly.
Steps for replacing the long pivot assembly with associated parts.
Diagram showing link locations and adjustments for capsular element controllers.
Steps for replacing the short pivot assembly and associated components.
Procedure for replacing the process drive flexure.
Continues the procedure for replacing the process drive flexure.
Steps for removing and installing the process tubing.
Procedures for replacing five specific links in the capsular element controller.
Steps for replacing link 1, including adjustments and calibration.
Steps for replacing link 2, including pointer alignment and adjustments.
Steps for replacing link 3, including adjustments and checks.
Steps for replacing link 4, including calibration and adjustments.
Steps for adjusting link 4 to ensure proper compression and eliminate lost motion.
Diagram showing capsular element assembly parts and adjustment locations.
Procedure for aligning the drive bracket assembly for proper flexure orientation.
Steps for aligning the linkage components of the capsular element assembly.
Procedures for setting full span and zero travel stops for capsular elements.
Caution regarding potential capsule damage from travel stop nut binding.
Continues linkage alignment steps for capsular element assembly.
Continues linkage alignment steps, including pivot assembly and flexure alignment.
Procedures for maintenance calibration of the remote set point assembly.
Note that span adjustment requires zero adjustment readjustment.
Detailed steps for performing zero and span adjustment on capsular element controllers.
Note on improving linearity with the linearity adjustment screw.
Procedures for maintenance calibration of the remote set point assembly.
Steps to perform before calibrating the remote set point assembly.
Procedures for aligning guide and drive flexures for the remote set point assembly.
Lists parts and adjustment locations for remote set point assembly replacement.
Steps for replacing pivot assembly A in the remote set point assembly.
Steps for replacing pivot assembly B in the remote set point assembly.
Procedures for setting full span and zero travel stops for capsular elements.
Caution regarding potential capsule damage from travel stop nut binding.
Continues linkage alignment steps for capsular element assembly.
Procedures for zero and span adjustment of the remote set point.
Procedure for adjusting linearity of the remote set point.
Procedures for maintenance of the auto/manual station.
Steps for removing and installing the auto/manual station assembly.
Note on replacing O-rings for the auto/manual station.
Caution about even tightening of screws to prevent tubing damage.
Procedure for replacing switch body parts and tubing assembly.
Continues assembly steps for the switch body assembly.
Caution about spring preload when disassembling switch body assembly.
Detailed steps for replacing loader spring and associated components.
Continues assembly steps for the loader mechanism.
Caution about aligning loader supply and exhaust seats for proper performance.
Steps for replacing the loader valve plug and its spring.
Diagrams showing various controller assemblies and their key numbers.
Diagrams illustrating controller assemblies for the 4195KB series.
Diagrams illustrating controller assemblies for the 4195KC series.
Diagrams showing section views and auto/manual station assemblies.
Diagrams showing controllers with remote set point and external feedback options.
Diagram showing the indicator assembly for Bourdon tube controllers.
Diagram showing the indicator assembly for capsular element controllers.
Diagram showing the components of the indicator assembly.
Diagrams illustrating the capsular element assembly for different pressure types.
Diagram showing the components and assembly of the Type 83U Relay.
Diagram showing the components and assembly of the remote set point assembly.
Diagram showing the components and assembly of the auto/manual station.
Diagrams illustrating the internal and external set point assemblies.
Guidelines for ordering replacement parts, including serial number and part number reference.
List of available repair kits for auto/manual stations and other components.
List of common parts used across all controller types, referenced by figure 5-24 key numbers.
Glossary of abbreviations used in the parts list.
Part numbers for pressure gauges, including dual and triple scale types.
Part numbers for the process and set point indicator assembly with Bourdon tube.
Part numbers for the indicator assembly with capsular element.
Part numbers for process scales used with vacuum and compound pressure.
Part numbers for process scales used with positive pressure.
Part numbers for the pressure control block with different connection types.
Part numbers for positive pressure process scales across various ranges.
Part numbers for all controllers' process scales, including square root.
Note about usage and specifications for Bourdon tube travel stop parts.
Part numbers for capsular element assemblies based on pressure range and material.
Part numbers for Bourdon tubes based on pressure range and material.
Continues part numbers for capsular element assemblies.
Continues part numbers for Bourdon tubes.
Part numbers for the indicator assembly components.
Part numbers for capsular element assembly components.
Part numbers for the Type 83U Relay components.
Part numbers for remote set point assembly components.
Part numbers for auto/manual station components.
Part numbers for internal and external set point assembly components.
Part numbers for mounting controllers to casing-mounted actuators.
Part numbers for mounting controllers to yoke-mounted actuators.
Part numbers for mounting regulators to casing-mounted regulators.
Part numbers for mounting regulators to yoke-mounted regulators without a bracket.
Part numbers for mounting regulators to yoke-mounted regulators with a bracket.
Part numbers for various fittings used with tubing and hose connections.
