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Leslie LVSG Series Installation, Operating And Maintenance Instructions

Unfired steam generator
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Installation, Operating
90/6.5.0
and Maintenance
Rev. 1
Instructions
UNFIRED STEAM GENERATOR
LVSG SERIES

TABLE OF CONTENTS

INTRODUCTION ...................................................................................................................................................................................2
CONTACT INFORMATION.................................................................................................................................................................2
GENERAL NOTES AND WARNINGS ................................................................................................................................................2
................................................................................................................................................3
CONTROLLER - OVERVIEW.............................................................................................................................................................3
CONTRACTOR WIRING......................................................................................................................................................................4
RATINGS .................................................................................................................................................................................................5
CONTROLLER SCREENS....................................................................................................................................................................5
SETTING CONTROLLER ....................................................................................................................................................................5
SCREEN LISTING..................................................................................................................................................................................5
INSTRUCTIONS FOR SETTING EACH SCREEN ...........................................................................................................................6
TERMINAL BOARD LAYOUT ............................................................................................................................................................9
TROUBLE SHOOTING .......................................................................................................................................................................11

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Summary of Contents for Leslie LVSG Series

  • Page 1: Table Of Contents

    Installation, Operating 90/6.5.0 and Maintenance Rev. 1 Instructions UNFIRED STEAM GENERATOR LVSG SERIES TABLE OF CONTENTS INTRODUCTION ....................................2 CONTACT INFORMATION.................................2 GENERAL NOTES AND WARNINGS ..............................2 ..............................3 ONNECTING LECTRIC OWER OURCE CONTROLLER – OVERVIEW................................3 CONTRACTOR WIRING..................................4 RATINGS .........................................5 CONTROLLER SCREENS..................................5 SETTING CONTROLLER ..................................5 SCREEN LISTING....................................5...

  • Page 2: Introduction

    • If questions are not answered by this manual, or if specific installation, operation, and/or maintenance Leslie is not responsible for injury to personnel or product damage due to improper installation, operation, and/or procedures are not clearly understood, contact Leslie maintenance Leslie Controls, Inc.

  • Page 3: Connecting Electric Power Source

    Before attempting any installation, operation, or Controller – Overview maintenance procedures pertaining to unit. LESLIE SSCM 2001 control module is a solid state controller 1. Assure that electric power supply has been turned designed to control limit, water feed, alarm, and timed off and locked out in an approved manner;...

  • Page 4: Contractor Wiring

    Green=Blowdown Blank operating occurring Blowdown Built in relay for water feed: Leslie 2001 Solid State Control Optional Module operates in conjunction with level control to signal input/output feed water solenoid or feed water pump to maintain correct water level in unfired steam generator.

  • Page 5: Ratings

    B-DOWN DURATION NEMA 4 enclosure PRESSURE [XXX] LESLIE 2001 SCCM is a self contained board and can not be field repaired. For a replacement board contact LESLIE Corporation at address shown on page one of this manual. Screen 3 Screen 4...

  • Page 6: Instructions For Setting Each Screen

    Screen 1 (Home) Screen 5 Screen 6 MODE [NORMAL] PRESSURE PSI [XXX] LOW PRESSURE DIFFERENTIAL MODE can be either NORMAL or ALARM. Mode will read Screen 7 Screen 8 normal in normal operation and alarm if any alarm condition PRESSURE SENSOR LEVEL CONTROL occurs.
  • Page 7 High pressure cut out This is pressure limit which is set 10-20% higher than desired High and low pressure reset differential operating pressure. When high pressure cut out pressure is This is pressure differential from set point at which high or reached controller will cause main control valve to close.
  • Page 8 ABOUT Press SELECT key and screen will read: Screen 11 ABOUT Type 1 LESLIE VER [XXX] Be sure to note version when contacting factory. Press SELECT key to return to home screen. Quit screen This screen is only used to return to home screen.

  • Page 9: Terminal Board Layout

    Terminal Board Layout To conductivity probe (yellow) (type 1 only) Conductivity probe Ground (green) 0-10V DC to BAC for pressure reading BAC pressure reading (Output) Ground + output (white) Pressure sensor Common (black) + input (red) High water float (brown) High water float Common Stop water feed float (blue)
  • Page 10 Contact closure as follows: Interface Power COM - NO contact made when power is on LESLIE 2001 SSCM has built in contacts to interface with building automation control (BAC). water COM - NO contact made when in low water condition...

  • Page 11: Trouble Shooting

    Assistance shall be afforded with selection of materials based on technical information supplied to Leslie Controls Inc.; however, system designer and user retain final responsibility. designer should consider applicable Codes, material compatibility, product ratings and application details in selection and application.

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