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Flowserve Limitorque LTQ008 User Manual

Flowserve Limitorque LTQ008
41 pages
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Read these instructions prior to installing, operating, and
maintaining this equipment.
LTQ008 – LTQ230 Series
3-Phase Products Including LCS Products
Installation
Operation
Maintenance
Compact Quarter-Turn Electric Actuator
AIIOM000165-00 EN 20
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Flowserve Limitorque LTQ008 Specifications

General IconGeneral
ModelLTQ008
CategoryController
Torque Rating800 in-lbs
Power SupplyAC or DC
Voltage24 VDC (typical, check specific model)
Communication ProtocolHART
Enclosure RatingNEMA 4X
ControlLocal/Remote

Summary

General Information

Scope of Manual

Defines the coverage and purpose of this user instruction manual.

Disclaimer

Outlines limitations, warranty conditions, and advice regarding product use.

Operational Concepts

Explains basic principles of actuator operation and initial setup.

Safety Information

Safety Symbols and Descriptions

Details hazard symbols used in the manual and their meanings.

Intended Use

Specifies the approved applications and parameters for the product.

General Hazard Sources

Identifies potential risks associated with the product during operation.

Electrical Hazards

Highlights dangers and precautions related to electrical shock and wiring.

Qualified Personnel and Targeted Group

Defines requirements for personnel involved in operation and maintenance.

Product Description

General Product Description

Provides an overview of the LTQ008-230 Series actuators and their features.

Control Station Overview

Describes the Local Control Station (LCS) and its Type LL features.

Installation

Installation Procedures

Guides the user through the steps for installing the actuator correctly.

Mounting Guidelines

Provides essential instructions for securely mounting the actuator.

Theory of Operation

NCU Model Operation

Explains the theory of operation for NCU models with On/Off control.

BIC On/Off Control Operation

Details the theory of operation for BIC models with On/Off control.

BIC Proportional Control Operation

Details the theory of operation for BIC models with proportional control.

BIC + LL On/Off Control Operation

Explains BIC + LL models with On/Off control theory.

BIC + LL Proportional Control Operation

Explains BIC + LL models with proportional control theory.

Torque Switches Functionality

Describes the function and purpose of torque switches for protection.

LL Series LCS Operation

Explains the operational modes and functions of the LL Series LCS.

Adjustments Overview

Introduces the process and importance of actuator adjustments.

Adjusting CW End-of-Travel

Provides detailed steps for setting the Clockwise end-of-travel position.

Adjusting CCW End-of-Travel

Provides detailed steps for setting the Counterclockwise end-of-travel position.

Adjusting Auxiliary Switches

Guides on setting auxiliary switches for warning or status indication.

Commissioning

NCU Commissioning (On/Off)

Details the commissioning steps for NCU models with On/Off control.

BIC Commissioning (On/Off)

Details the commissioning steps for BIC models with On/Off control.

BIC Commissioning (Proportional)

Details the commissioning steps for BIC models with proportional control.

LCS Commissioning (BIC+LL On/Off)

Guides commissioning for BIC+LL models with On/Off control.

LCS Commissioning (BIC+LL Proportional)

Guides commissioning for BIC+LL models with proportional control.

Calibration

BIC On/Off Control Calibration

Provides calibration procedure for BIC models with On/Off control.

BIC Proportional Control Calibration

Provides calibration procedure for BIC models with proportional control.

BIC + LL Control Station Calibration

Guides calibration for BIC+LL control station proportional control.

Troubleshooting Guide

On/Off Control Fault Symptoms

Lists common fault symptoms and troubleshooting actions for On/Off models.

Proportional Control Fault Symptoms

Lists common fault symptoms and troubleshooting actions for proportional models.

Technical Data

Nameplate Information

Explains the data presented on the actuator's nameplate.

Torque Requirements

Details the torque specifications for different actuator models.

NCU and BIC Unit Specifications

Provides technical data for LTQ NCU and BIC units.

BIC + LED Unit Specifications

Provides technical data for LTQ BIC + LED units.

Wire Sizing Data

Offers guidance on selecting proper wire sizes based on distance and voltage.

Annex A: Glossary

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