Emerson EL-O-Matic F Series User Manual

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Installation, Operation and Maintenance Manual

DOC.IOM.EF.EN Rev. 7

September 2017

EL-O-Matic F-Series

Rack and Pinion Pneumatic Actuators

EL Matic

TM

EL Matic

TM

Table of Contents

Other manuals for Emerson EL-O-Matic F Series

Safety Manual24 pages

Questions and Answers:

M
Mark Thomas MDAug 14, 2025
What to do if Emerson EL-O-Matic F actuator does not react good to electrical control signal?
- W
  wnewtonAug 14, 2025
  If the Emerson Controller actuator isn't reacting well to the electrical control signal, several factors could be at play. First, ensure the supply air tubing has the correct dimensions if there's sufficient supply air pressure but insufficient capacity. Check that the supply pressure at both the actuator and solenoid is adequate for operation. Verify the solenoid valve mounting. If a speed control throttle is present, make sure it isn't blocking airflow by opening it further. Lastly, check if the manual override on the solenoid valve is locked and unlock it if necessary.
G
gharrisonAug 17, 2025
What to do if Emerson EL-O-Matic F valve does not reach the completely “Closed” or “Open” position?
- R
  Robert SmithAug 17, 2025
  If the Emerson Controller valve isn't reaching the fully closed or open position, several things could be wrong. Start by readjusting the limit stop screws. Check that the insert is mounted correctly, noting that rotating the insert to one cam equals 22.5°. Ensure that the pressure applied matches the sizing requirements. Verify that the valve torque data aligns with the actuator torque data. Finally, make sure the pinion is mounted in the correct position and reassemble the actuator if necessary.
P
Patrick HudsonAug 21, 2025
Why Emerson EL-O-Matic F Controller actuator does not react to control signals?
- P
  plopezAug 21, 2025
  If the Emerson Controller actuator isn't responding to control signals, it could be due to incorrect wiring of the control, power supply, or feedback systems; ensure all wiring is correctly connected. Another potential cause is a mismatch between the power supply voltage and the voltage of the solenoid valve; make sure to connect the correct power supply voltage.
C
Christina HuertaAug 25, 2025
What to do if Emerson Controller actuator rotates, but valve does not?
- D
  dawnespinozaAug 25, 2025
  If the Emerson Controller actuator rotates but the valve doesn't, it indicates a lack of connection between the actuator shaft and the valve spindle. To resolve this, install a coupling between the actuator shaft and the valve spindle.
C
cassandra61Aug 27, 2025
What to do if there is leakage notice on the Emerson EL-O-Matic F actuator?
- S
  Steven Fields DDSAug 27, 2025
  If you notice leakage on the Emerson Controller actuator, there are several potential causes. First, check if the seals on the limit stop screws are airtight; tighten the lock nut of the bolts until the leakage stops. If that doesn't solve the issue, the seals on the end caps might not be airtight; disassemble the end caps, replace the O-rings, and reassemble, considering replacing all O-ring seals and bearings. Lastly, the seals on the pinion top and bottom could be the problem; disassemble the entire actuator, replace the O-rings, and reassemble, again considering replacing all O-ring seals and bearings.
R
Rebecca LopezAug 30, 2025
How to fix if double-acting Emerson Controller actuator will only move to “open” position?
- J
  jenniferandrewsAug 30, 2025
  If a double-acting Emerson Controller actuator only moves to the 'open' position, the issue could stem from an incorrect solenoid valve configuration; you should mount a solenoid valve suitable for double-acting actuators (4/2 or 5/2 function). Alternatively, the conversion plate on solenoids might be in the wrong position; check that the conversion plate on solenoids with both 3/2 and 5/2 functions is correctly positioned.
M
Matthew BrownSep 3, 2025
What to do if feedback position and actual position are not the same on Emerson Controller?
- C
  Cheyenne MarshSep 3, 2025
  If the feedback position and actual position of the Emerson Controller are not the same, it could be because the actuator and valve are mounted 90° rotated in relation to each other. Remove the actuator from the valve, check the assembly code of the actuator, put both the valve and actuator in the 'Closed' position, and then mount the actuator on the valve.
R
Rachel SchneiderSep 6, 2025
What to do if there are problems with position feedback after sending the Emerson EL-O-Matic F actuator to either the “Open” or “Closed” position?
- L
  Lynn HuffSep 6, 2025
  If you're experiencing issues with position feedback after moving the Emerson Controller actuator to the 'Open' or 'Closed' position, the wiring of the feedback signals may be switched. To resolve this, ensure that you connect the feedback wiring correctly.
J
James MooreSep 10, 2025
How to resolve air leakage between Emerson EL-O-Matic F Controller actuator and solenoid valve?
- M
  Michele PatrickSep 10, 2025
  If there's air leakage between the Emerson Controller actuator and solenoid valve, it's likely that the sealing between them isn't airtight. Reassemble the solenoid valve, ensuring that all seals are properly in place.

Emerson EL-O-Matic F Series Specifications

General

Temperature Range	-20°C to 60°C (-4°F to 140°F)
Materials	stainless steel
Input Voltage	24V AC/DC
Output Voltage	24V AC/DC
Operating Temperature	-20°C to +80°C (-4°F to +176°F) Standard, -40°C to +80°C (-40°F to +176°F) Low Temperature Option
Enclosure Rating	IP66
Dimensions	Varies depending on model. Consult specific model datasheet.
Weight	Varies depending on model. Consult specific model datasheet.

Summary

Section 3: Configuration Code

Understanding the Configuration Code

Explains how to create and interpret the actuator's configuration code.

Section 4: Installation

4.5 Actuator to Valve Installation

Step-by-step guide for mechanically connecting the actuator to a valve.

Section 5: Mechanical Stroke Adjustment

5.1 Travel Stop Adjustment

How to adjust the actuator's travel limits for precise valve positioning.

Section 6: Maintenance

6.1 Normal Maintenance

Routine checks and recommended inspection intervals for actuator upkeep.

6.2 Inspection and Repair

Procedures for inspecting and repairing actuators to extend service life.

Section 7: Decommission (Out of Service)

7.2 Removing the actuator from the valve

Detailed steps for safely disconnecting the actuator from the valve assembly.

Section 8: Disassembly

8.1 Removing End Caps (Sizes 25 to 600)

Procedure for safely removing end caps from specific actuator size ranges.

8.2 Removing End Caps (Sizes 950 to 4000)

8.3 Removing Spring Cartridges or Springs

8.4 Removing of Limit Stop screws

8.5 Removing Pistons

8.6 Removing pinion

Section 9: Reassembly

9.1 Grease Instructions

9.2 Reassembly of the pinion

9.3 Reassembly of the pistons

9.4 Reassembly and settings of the limit stops

9.5 Reassembly of the end caps

9.6 Basic function and Air Leak Test

Section 10: Troubleshooting

10.1 Mechanical Problems

Identifies common mechanical issues and provides solutions for them.

10.2 Pneumatic Problems

Addresses pneumatic system issues and their corresponding troubleshooting steps.

10.3 Electrical Problems

Lists common electrical faults and offers solutions for troubleshooting.

Appendix: A Spring load removal

A.1 Spring load relief

Safe procedure for relieving spring load in specific actuator scenarios.

Appendix: C Full Stroke Adjustment Option

C.1 Full Stroke Adjustment Option

C.2 Convert a standard actuator into a Full Stroke Adjustment version

Steps to upgrade a standard actuator with the full stroke adjustment kit.

C.3 Full Stroke Adjustment Setting

Procedures for setting the full stroke adjustment for desired rotation angles.

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