De Nora MIOX 1.0 Series Installation, Operation And Maintenance Manual
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De Nora MIOX 1.0 Series Installation, Operation And Maintenance Manual

On-site chemical generator
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MIOX® 1.0 and 2.0 Series On-Site
Chemical Generator
Installation, Operation, and Maintenance
Manual
31 Jan, 2020
MIOX® 1.0 and 2.0 Operators Manual
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Summary of Contents for De Nora MIOX 1.0 Series

  • Page 1 MIOX® 1.0 and 2.0 Series On-Site Chemical Generator Installation, Operation, and Maintenance Manual 31 Jan, 2020 MIOX® 1.0 and 2.0 Operators Manual Page 1...
  • Page 2 MIOX® 1.0 and 2.0 Operators Manual De Nora Water Technologies (DNWT) maintains a constant product improvement program that may affect design and/or specifications. The company reserves the right to make these changes without prior notice or liability. Portions of the MIOX® OSGs are covered by U.S.

  • Page 3: Table Of Contents

    MIOX® 1.0 and 2.0 Operators Manual CONTENTS List of Figures ......................4 List of Tables ......................4 INTRODUCTION AND OVERVIEW ................5 Regulatory Compliance .................... 5 U. S. Environmental Protection Agency (US EPA) ............. 5 List of Certifications ....................5 NSF International ....................

  • Page 4: List Of Figures

    MIOX® 1.0 and 2.0 Operators Manual APPENDICES ......................34 Inline Pressure Reducer/Switch ................35 MIOX® 1.0 and 2.0 OSG General Arrangement ............36 Changing Pump Tubes ................... 38 Water Quality Guidelines ..................44 MIOX® 1.0 and 2.0 OSG Spare Parts Identification/Ordering Guide ......45 List of Figures Figure 1: MIOX®...

  • Page 5: Introduction And Overview

    EPA Establishment Number: 48482-TX-001 NSF International De Nora WT maintains a policy of verification and compliance of De Nora WT for water applications. The NSF Standard provides the criteria used to evaluate the public health safety of materials, components, products, or systems that contact drinking water, drinking water chemicals, or both.

  • Page 6: System Description

    MIOX® 1.0 and 2.0 Operators Manual System Description The MIOX® 1.0 and 2.0 system is an on-site chemical generator that creates mixed oxidant solution from water, salt, and electricity. The system can create either 1.0 lb. or 2.0 lbs. of Free Available Chlorine (FAC) per day, depending on the model ordered.

  • Page 7: System Illustrations And Component Descriptions

    MIOX® 1.0 and 2.0 Operators Manual System Illustrations and Component Descriptions Level Switch Assembly (installed) MIOX® 1.0 or 2.0 OSG Hydrogen Vent Inline Pressure (must vent Reducer/Switch outside) (connect to water supply) Brine Tank Oxidant Tank Level Switch Assembly (installed) Brine Supply Figure 2: Generic diagram of a MIOX®...
  • Page 8 MIOX® 1.0 or 2.0 Electrolytic Cell A proprietary electrolytic cell manufactured by De Nora WT produces 1.0 lbs of FAC per day of runtime. 1 lb. MIOX® OSGs use one cell while 2 lb. MIOX® OSGs use two cells. See Figure 4 for details.
  • Page 9 NOTE: For items not listed above see the appendices and Documentation Kit. Additional items may include, but are not limited to the oxidant tank, hydrogen vent, oxidant pump, water heater and water chiller. Contact De Nora WT for additional details on available options. Page 9...

  • Page 10: Figure 3: Miox® 2.0 Lb. Osg With Labeled System Components

    MIOX® 1.0 and 2.0 Operators Manual Electrical Enclosure Brine Pump Water Pump Check Valve LCD Display Indicator Figure 3: MIOX® 2.0 lb. OSG with labeled system components. (System cover not shown) Page 10...

  • Page 11: Figure 4: Miox® 2.0 Lb. Osg Showing Cells, Thermowells, And I/O Panels

    MIOX® 1.0 and 2.0 Operators Manual 2 MIOX® Electrolytic Cells Electrical Back Panel Thermowells Plumbing I/O (T-shaped elements in Panel plumbing line) Figure 4: MIOX® 2.0 lb. OSG showing cells, thermowells, and I/O panels (Alarm Relay connection not shown) Page 11...

  • Page 12: Figure 5: Miox® 1.0 Or 2.0 Osg I/O Panels With Labeled Components

    MIOX® 1.0 and 2.0 Operators Manual Alarm Relay Connection USB Port for data logging Ethernet Port Level Switch Assembly Connection Power Entry Module ON/OFF Switch Fuse Holder Water Inlet Oxidant Outlet Brine Inlet Figure 5: MIOX® 1.0 or 2.0 OSG I/O panels with labeled components Page 12...

  • Page 13: Figure 6: One Of Two Level Switches Before Being Installed In An Oxidant Tank

    MIOX® 1.0 and 2.0 Operators Manual Figure 6: One of two level switches before being installed in an oxidant tank TO LEVEL SWITCH CABLE TO OSG CONNECTION TO FEED TO OSG WATER PLUMBING Figure 7: Inline Pressure Reducer & Switch assembly Page 13...

  • Page 14: Installation And Startup

    MIOX® 1.0 and 2.0 Operators Manual INSTALLATION AND STARTUP The MIOX®1.0 and 2.0 OSG has been factory tested and must be properly installed per the instructions in this manual. SAFETY PRECAUTIONS AND WARNINGS Safety Advisory Ensure that the facility and the installation are in conformance with all codes and standards.

  • Page 15: Tools For Install

    MIOX® 1.0 and 2.0 Operators Manual 1) MIOX® 1.0 or 2.0 OSG 2) 5 foot by 5 foot indoor environment 3) 110-240 VAC 10A circuit with standard grounded wall plug 4) Saturated Brine Supply (see Salt Quality Guidelines for salt specifications) 5) Fresh Water Supply (see Appendices for Water Quality Guidelines) 6) Oxidant Storage Tank with Hydrogen Venting (see Hydrogen Safety White Paper for details)

  • Page 16: Connections

    MIOX® 1.0 and 2.0 Operators Manual Connections Plumbing The MIOX® 1.0 or 2.0 has three barbed plumbing connections on the plumbing I/O panel: water inlet, brine in, and oxidant out. The ¼” barbed water inlet must be connected to the appropriate location on the included Inline Pressure Reducer Kit.

  • Page 17: Figure 8 Alarm Relay Connector Wiring

    MIOX® 1.0 and 2.0 Operators Manual Alarm Relay The MIOX® 1.0 or 2.0 OSG is equipped with an alarm relay that provides two sets of normally open dry contacts. This relay is tripped whenever the system encounters a fault and can be used to send signal to various forms of alarm systems (audible, plant status, etc.) depending on the user’s preference.

  • Page 18: Figure 9: Miox® 1.0 Or 2.0 Osg Connections

    MIOX® 1.0 and 2.0 Operators Manual Figure 9: MIOX® 1.0 or 2.0 OSG Connections. Page 18...

  • Page 19: Installing The Miox® 1.0 Or 2.0

    MIOX® 1.0 and 2.0 Operators Manual Installing the MIOX® 1.0 or 2.0 1) Unpack The Boxes Unpack the MIOX® 1.0 or 2.0 OSG and all included components. 2) Position the OSG Tabletop configuration: Place the MIOX® OSG on a flat, level surface. Integrated Brine Tank configuration: Place the MIOX®...
  • Page 20 MIOX® 1.0 and 2.0 Operators Manual 9) Install Level Switch Plug the level switch assembly cable into the Pressure Switch and electrical I/O panel of the OSG. Follow installations instructions in the Oxidant Tank Manual for the Level Switch Assembly installation. NOTE: Oxidant tank level switches must be installed correctly for the system to operate.

  • Page 21: Startup Tips

    MIOX® 1.0 and 2.0 Operators Manual Startup Tips Things to check if any issues arise during the initial system startup: Brine saturation level Unsaturated brine may cause the system to fault on initial startup. Adding more salt to the brine tank and waiting about 30 minutes before restarting the system should resolve this problem.

  • Page 22: Operation And Maintenance

    MIOX® 1.0 and 2.0 Operators Manual OPERATION AND MAINTENANCE Normal Operation In normal operation, the MIOX® OSG automatically enters ‘Run’ and ‘Standby’ modes based on the oxidant level in the oxidant tank. The MIOX® OSG will also automatically enter a ‘Cleaning’...
  • Page 23 MIOX® 1.0 and 2.0 Operators Manual Normal Operation The system is within the normal operating window for oxidant generation and is running correctly. Startup/Shutdown During the startup and shutdown modes of operation, the system flushes the lines and cell with water to remove any excess salt that may crystalize and clog the plumbing while the system is not in use.

  • Page 24: Communications

    MIOX® 1.0 and 2.0 Operators Manual If desired, the unit may be put into constant run mode by connecting together the two halves of the level switch cable on the back I/O panel. This will bypass the level switches and prevent the unit from ever going into standby. Note this will also bypass the water pressure switch, which will no longer shut the unit down if feed water pressure is lost.

  • Page 25: Troubleshooting

    MIOX® 1.0 and 2.0 Operators Manual Troubleshooting Fault Conditions The MIOX® OSG is preprogrammed with a number of fault conditions which trigger whenever the system is running atypically. The faults are classified as either hard or soft faults. Hard faults automatically shut the system down and require a power cycle to reset the system.

  • Page 26: General Troubleshooting

    MIOX® 1.0 and 2.0 Operators Manual General Troubleshooting Every MIOX® 1.0 and 2.0 OSG is fully tested before leaving the factory, but sometimes things do go wrong. The following table lists common potential problems, their possible causes, and how to resolve them. Problem Probable Cause(s) Remedial Action...
  • Page 27 MIOX® 1.0 and 2.0 Operators Manual Problem Probable Cause(s) Remedial Action System faults immediately on 1. Brine is not fully saturated. 1. Add more salt and wait 30- startup. 2. Water or Brine feed not 60 minutes to allow brine to getting to system fully saturate.

  • Page 28: Table 2 : General Troubleshooting Approaches

    MIOX® 1.0 and 2.0 Operators Manual Problem Probable Cause(s) Remedial Action Display Reads: LOW FEED 1. Feed water temperature too 1. Increase feed water WATER TEMP X˚F low. temperature to above 50˚F 2. Temperature sensor failure (10˚C) prior to restarting system.

  • Page 29: Maintenance

    MIOX® 1.0 and 2.0 Operators Manual Maintenance The MIOX® OSG is designed for minimal maintenance. As long as the water and brine supplies are within the specifications, there should be almost no maintenance required to keep the unit running. Salt Loading Salt load will be required to maintain saturated brine levels.

  • Page 30: Cell Replacement

    MIOX® 1.0 and 2.0 Operators Manual Cell Replacement In the event that your MIOX® 1.0 or 2.0 OSG needs to have an electrolytic cell replaced, use the following procedure to replace the cell and reset the cell hour counter to zero. Tool Purpose Step(s) Used...
  • Page 31 MIOX® 1.0 and 2.0 Operators Manual 6) Disconnect Cell Plumbing Remove the inlet (bottom) and outlet (top) plumbing connections from the cell by sliding the tubing off of the hose fittings on the cell. Note: liquid may still be present within the cell and plumbing lines, watch out for leaks and use a cup or similar container to help catch excess liquid.

  • Page 32: Figure 11: Miox® 1.0 And 2.0 Osg With System Cover And Screw Locations

    MIOX® 1.0 and 2.0 Operators Manual Figure 11: MIOX® 1.0 and 2.0 OSG with system cover and screw locations Page 32...

  • Page 33: Figure 12: Internal Top View Of Miox® 1.0 And 2.0 Osg Showing Cell Hour Reset Button Location

    MIOX® 1.0 and 2.0 Operators Manual Brine (Small) Pump Cell Hour Reset ↓ Front of Unit ↓ Figure 12: Internal Top View of MIOX® 1.0 and 2.0 OSG Showing Cell Hour Reset Button Location. Page 33...

  • Page 34: Appendices

    MIOX® 1.0 and 2.0 Operators Manual APPENDICES a. Inline Pressure Reducer b. MIOX® 1.0 and 2.0 OSG General Arrangement c. Changing Pump Tubes d. Water Quality Guidelines e. Spare Parts Identification/Ordering Guide Page 34...

  • Page 35: Inline Pressure Reducer/Switch

    MIOX® 1.0 and 2.0 Operators Manual Inline Pressure Reducer/Switch For all installations, a pre-assembled Inline Pressure Reducer & Switch Kit is provided. The Inline Pressure Reducer Kit & Switch includes the following: 1) Pressure Reducing Valve (PRV), ¾” NPT that regulates outlet pressure to 4-psi 2) Coupling ¾”...

  • Page 36: Miox® 1.0 And 2.0 Osg General Arrangement

    MIOX® 1.0 and 2.0 Operators Manual MIOX® 1.0 and 2.0 OSG General Arrangement Page 36...
  • Page 37 MIOX® 1.0 and 2.0 Operators Manual Page 37...

  • Page 38: Changing Pump Tubes

    MIOX® 1.0 and 2.0 Operators Manual Changing Pump Tubes The following pages show how to change the pump tubes on the MIOX® OSG peristaltic pumps. They are excerpts from the Welco Instruction Manuals. Page 38...
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  • Page 44: Water Quality Guidelines

    MIOX® 1.0 and 2.0 Operators Manual Water Quality Guidelines Knowing what to look for when sizing a system will help remove hidden surprises after installation. Most of the items on the following list will be below the limits but should be checked nonetheless.

  • Page 45: Miox® 1.0 And 2.0 Osg Spare Parts Identification/Ordering Guide

    MIOX® 1.0 and 2.0 Operators Manual MIOX® 1.0 and 2.0 OSG Spare Parts Identification/Ordering Guide Below is a list of common parts on the MIOX® OSG along with the associated part number to aid in any troubleshooting event where identifying or replacing a part may be necessary. Additionally, these parts can be ordered and kept on hand as a spare in case a replacement is needed in a more time sensitive manner.
  • Page 46 MIOX® 1.0 and 2.0 Operators Manual PUMP,WPX1,1/8”,STEP,PHARMED 301-00374 PUMP,WP11,3/16",STEP,PHARMED 301-00375 TUBE, 1/8"-135, WT6, PHARMED 301-00376 Page 46...
  • Page 47 MIOX® 1.0 and 2.0 Operators Manual TUBE, 3/16"-2, WT6, PHARMED 301-00377 TUBING, 1/4" x 3/8" 300-00349 ADAPTER,1/4x1/4x1/4 BARB, HDPE 300-02757 Page 47...
  • Page 48 MIOX® 1.0 and 2.0 Operators Manual ADAPTER,3/8x3/8BARBx1/4, PVDF 300-03199 BULKHEAD, 1/4" NUTS, STR, NYLO 300-02640 TUBING 3/8 OD PE 700-00447 TUBING 3/8 ID x 5/8 OD VINYL 700-00447 Page 48...
  • Page 49 MIOX® 1.0 and 2.0 Operators Manual CLAMP HOSE SNAP 3/8 OD ACETAL 700-01193 CLAMP HOSE SNAP 5/8 OD ACETAL 700-00449 FUSE, 5x20mm, 4A/250V (2PPD SYSTEM) 400-02548 FUSE, 5x20mm, 2A/250V (1PPD SYSTEM) 400-01199 Page 49...
  • Page 50 MIOX® 1.0 and 2.0 Operators Manual ASSY, CELL LEAD #1 400-02557-D ASSY, CELL LEAD #2 400-02558-D ASSY, TEMP SENSOR. 1/4"DIA 400-02551-B CONTROL BOARD ASSY 400-02083 Page 50...
  • Page 51 MIOX® 1.0 and 2.0 Operators Manual POWER SUPPLY, 240W, 15V, 16A 400-02078 Page 51...

This manual is also suitable for:

Miox 2.0 series

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