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Miller-Leaman TGSS-20C Owner's Manual

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OWNER'S MANUAL
Operation and Maintenance Guide
TGSS-20C, TGSS-24C, and TGSS-30C

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Summary of Contents for Miller-Leaman TGSS-20C

  • Page 1 OWNER’S MANUAL Operation and Maintenance Guide TGSS-20C, TGSS-24C, and TGSS-30C...
  • Page 2 • E-mail: sales@millerleaman.com • Web Site: www.millerleaman.com • First Edition Copyright © 2017 by Miller-Leaman, Inc. - 800 Orange Avenue, Daytona Beach, FL 32114 Printed in the United States of America. All rights reserved. This manual or parts thereof may not be reproduced in any form, mechanical, electronic, Internet, or in any form without the written permmission of Miller-Leaman, Inc.

  • Page 3: Introduction

    Introduction Thank you for purchasing Miller-Leaman’s TowerGuard Filter System. With proper installation, operation, and maintenance, the TowerGuard will provide trouble-free automatic filtration. This manual will provide the details required to understand the function, design, operation, and maintenance of your filter. Please read this manual completely before installing and operating the TowerGuard System.

  • Page 4: Table Of Contents

    Your filter was designed for specific applications. It should not be modified and/or used for any application other than originally specified. If there are any questions regarding its application or installation, contact Miller-Leaman, Inc. ALWAYS OBSERVE THE FOLLOWING PRECAUTIONS: Read this manual carefully.

  • Page 5: Introduction To Towerguard Automatic Filtration

    Introduction to TowerGuard Automatic Filtration Sand Media Filtration — The Miller Leaman TowerGuard Filter series utilizes sand media as a means to filter cooling tower water. The TowerGuard will remove suspended solids as low as 10 microns with standard sand media. The system is designed for side-stream applications only.

  • Page 6: Towerguard - City Water Backflush Model - Description

    As the water travels down through the media bed into the under-drain, suspended particles are trapped. When the filter media requires cleaning, Miller-Leaman’s MAXIM Controller will trigger a backflush cycle and automatically clean the filter. This may be triggered by the differential pressure sensor, the backflush timer, or manually by the user.

  • Page 7: Towerguard Installation Guidelines And Procedures

    Each TowerGuard contains four anchor points. The system should be placed on a firm, supporting level surface and securely anchored. Miller-Leaman recommends that a concrete pad be poured for the filter frame to rest on. Piping and Connections The TGSS-20, TGSS-24 and TGSS-30 TowerGuards suction pipe size should be one commercial pipe size larg- er the opening of pump inlet.
  • Page 8 Thread the Top Cap onto the filter tank. Hand tighten only - do NOT use excessive force. Approximate. Fill Level Sand Media TGSS-20C - 200 lbs. TGSS-24C - 310 lbs. TGSS-30C - 460 lbs. Figure 2. Replacing the Sand Media and/or under drains While disassembly of the filter is unlikely to be required the following is relevant.

  • Page 9: System Startup And Shutdown

    Startup and Shutdown Prior to start-up, read and fully understand your MAXIM Owner’s Manual section. Initial Start-up / Seasonal Re-start Always inspect the filter system prior to start-up or after an extended shutdown period. 1. Before pressurizing the system, check that all clamps, bolts, lids, and system accessories are properly fastened. 2.
  • Page 10 Cold Weather Operation The TowerGuard Series filter does not come freeze protected. It is preferable to install the system in a heated room to pre- vent freezing. If this is not possible, the system should be properly protected with heat tape and insulation around all of the liquid filled components.

  • Page 11: Filter Maintenance

    Check all of the 3-way valves to make sure they are operating properly. If the valves are not rotating correctly, remove the tops and inspect the motor / gears. Contact Miller-Leaman customer service if this condition exists. TowerGuard - City Backflush Model...

  • Page 12: Towerguard Side Mount Sand Filter Parts List

    TowerGuard Side Mount Sand Filter Figure 5 - TowerGuard Sand Filter Vessel Parts List...

  • Page 13: Maxim Backflush Controller Introduction & Installation

    MAXIM - State-of-the-art Filter Backflush Controller Introduction The TowerGuard Filter System is controlled by the MA X IM, a state-of-the-art backflush controller designed for automatic filtration systems. The heart of the MAXIM is a programmable micro PLC, custom designed to maximize the per- formance of your filtration system.

  • Page 14: Electrical Detail (Power, Outputs, & Inputs)

    Electrical Detail The circuit board layout shown applies to the M8 controllers. The M# in the serial number on the left side of the enclosure designates the controller’s total number of outputs. For example, a MLI-M8-xxxxx has 8 available outputs (uses outputs 1-8 only, leaving outputs 9 and 10 unused).

  • Page 15: Viewing The Menu Status Screens & Adjusting Values

    Initial Power Up Screen Sequence - after first turning on the Maxim Controller, or after a restart caused by a loss of power, this will be the screen sequence that is displayed. Miller-Leaman Inc 800-881-0320 Initial Power Up Screen - the company contact information, millerleaman.com...
  • Page 16 This next section describes the menus in the order they are seen by scrolling with the B button from the Company Contact Information Screen at the completion of the Initial Power Up Sequence. Screen 1 - Status Screen 2 - City Water Screen 3 - BF Interval Screen 4 - BF Duration Screen 5 - Time Since Last...
  • Page 17 Adjustable Values Changing Values To change an adjustable value, first scroll to the appropriate menu screen using the A or B button. Follow the directions below to modify the value. 1. 1. The current selected value will show flashing blocks. Use the + or - keys to select another value if desired. 2.

  • Page 18: Monitoring The System Status & Controller Feedback Screens

    Monitoring the System Status & Initiating a Backflush The Status Screen displays the current mode of the controller. It also allows the operator to manually start or stop a backflush cycle. There are three ways that a backflush cycle can be initiated: 1.
  • Page 19 Controller Feedback The following screens provide system feedback. This allows the operator to monitor when and how the backflush cycle is occurring. It is recommended that the operator adjust the backflush interval timer so that the system backflushes by time before the pressure differential set-point is reached. Backflush Counter: The number of backflush cycles that have occurred since the counter Backflush Counters...

  • Page 20: Warranty

    B) Any incidental, indirect, or consequential loss, damage, or expense that may result from any defect, failure, or malfunction of the Miller-Leaman product. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you.

This manual is also suitable for:

Tgss-24cTgss-30c

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