LMAIM1501 LY Installation and Maintenance for LY 1001, LY 2001 and LY 3001 iii
Table of Contents
1 Introduction 1-1
1.1 Purpose 1-1
1.2 User Safety 1-1
2 Product Capabilities and Features 2-1
3 Initial Inspection and Storage Instructions 3-1
3.1 Product Identification 3-1
3.2 Inspection and Recording 3-1
3.3 Storage Procedures 3-2
3.3.1 Short-Term Storage (less than 1 year) 3-2
3.3.2 Long-Term Storage (1 to 5 years) 3-2
4 Unit Weights 4-1
5 Installation Instructions 5-1
5.1 Safety Precautions 5-1
5.2 Initial Actuator Preparation 5-1
5.3 Installation Overview 5-2
5.4 Torque Switch Settings 5-6
5.5 Rewiring the Torque Switch for Non-Standard Drive Sleeve Rotation 5-6
5.6 Limit Switch and Mechanical Stop Settings 5-7
5.7 Setting the Limit Switches 5-7
5.7.1 Setting the CLOSED Limit Switch 5-7
5.7.2 Setting the OPEN Limit Switch 5-9
5.8 Mechanical Stops 5-10
5.8.1 Setting the CLOSED Mechanical Stop on the LY 1001 5-10
5.8.2 Setting the CLOSED Mechanical Stop on the LY 2001/3001 5-10
5.8.3 Setting the OPEN Mechanical Stop on the LY 1001 5-11
5.8.4 Setting the OPEN Mechanical Stop on the LY 2001/3001 5-11
5.9 Setting the MDPI (Mechanical Dial Position Indicator) 5-12
5.9.1 Setting the Potentiometer 5-13
6 Operation 6-1
6.1 Typical LY 1001 Operation 6-1
6.2 Verify Correct Motor Rotation (Phasing) and OPEN/CLOSE Pushbutton Operation6-1
6.2.1 Three-Phase Motor 6-1
6.2.2 Single-Phase Motor 6-5
6.2.3 DC Motor 6-8
6.3 Electrical Startup 6-8
6.4 Manual Operation 6-8
6.5 Motor Operation 6-9
Flow Control Division
Limitorque Actuation Systems
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