IPS Controllers M920 Owner's Manual
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IPS Controllers M920 Owner's Manual

Ph/dual orp controller
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M920 & M920W
pH/Dual ORP Controller
Owner's
Manual

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  • Page 1 M920 & M920W pH/Dual ORP Controller Owner’s Manual...

  • Page 3: Table Of Contents

    M920 & M920W pH/Dual ORP Controller Owner’s Manual Table of Contents Introducti on Water Chemistry IMPORTANT SAFETY INSTRUCTIONS System Components Specifi cati ons Controller Panel Descripti ons Electrical Descripti ons II. Installati on A. Setup B. Tools C. Procedure D.

  • Page 4: Introduction

    M920 & M920W pH/Dual ORP Controller Owner’s Manual I. Introduction A. Water Chemistry Water chemistry is a complex science that contains many variables. These variables not only affect the water environment itself, but they can have adverse effects on your equipment as well as your health.

  • Page 5: Important Safety Instructions

    M920 & M920W pH/Dual ORP Controller Owner’s Manual IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS. 2. Risk of electric shock: Connect the controller to a dedicated ground- fault circuit interrupter (GFCI) circuit breaker. a. A green colored terminal or a terminal marked G, GR, Ground,...

  • Page 6: System Components

    Monitors and displays the pH and ORP levels using LEDs and digital readouts on the front panel. If the temperature sensor is installed, the M920 will monitor temperature and display on the front panel when in Temp mode. Additionally. it will monitor up to two chemical tanks equipped with level switches and displays status using LEDs on the front panel.
  • Page 7 (flow light should turn off). 3. pH and ORP Sensors a. pH Sensor – standard (Use only IPS Controllers part # SXPH to maintain NSF Certification) b. ORP Platinum Sensor – standard (Use only IPS Controllers part # SXORP to maintain NSF Certification) c.
  • Page 8 M920 & M920W pH/Dual ORP Controller Owner’s Manual...

  • Page 9: Specifications

    M920 & M920W pH/Dual ORP Controller Owner’s Manual D. Specifications Enclosure: 7.95”L x 5.98”W x 3.54”D Electrical Input/Output: 120/240 VAC, 50 - 60 Hz ORP Set Level: 400 mV to 900 mV pH Set Level: 7.0 to 8.0 Dose Time: Off, Continuous, or Timed cycle...

  • Page 10: Controller Panel Descripti Ons

    M920 & M920W pH/Dual ORP Controller Owner’s Manual Flow Cell Connec�ons Accessory Flow Switch ORP1 Temp Power Sensor ORP2 Controller Communication digital display Electrical Connec�ons pushbutton LEDs Figure 2: M920 Controller Components Connecti ons E. Controller Panel Descripti ons 1. Digital Displays and Functi on LEDs a.
  • Page 11 M920 & M920W pH/Dual ORP Controller Owner’s Manual 2. Mode - pushbutton adjustments a. Auto - red LED b. pH standby - green LED c. ORP1 standby - yellow LED d. ORP2 standby - yellow LED e. Temp display & calibrate - green LED f.

  • Page 12: Electrical Descriptions

    M920 & M920W pH/Dual ORP Controller Owner’s Manual External audible/visible alarm (optional) pH sensor - BNC connection k. ORP sensor - BNC connection Optional dry contact ORP1 output (contact factory for instructions) F. Electrical Descriptions 1. Power a. 120 VAC, 50-60 Hz, 3-wire grounded NEMA 5 power cord. GFCI source required.

  • Page 13: Installation

    2. Mounting a. Controller and flow cell are factory-mounted to ABS board for your convenience. b. Securely mount ABS mounting board with M920 controller and flow cell on wall (vertical installation). c. If applicable, securely attach the peristaltic pumps to the optional larger ABS mounting board with the provided hardware.
  • Page 14 Note: Carefully unpack the pH and ORP sensors and set aside in a clear area until ready to install into the flow cell. a. Verify that the M920 controller power is OFF. b. Remove the plastic protective caps from the sensors and store in a separate location for future re-use.
  • Page 15 (downstream) any equipment. 7. Optional connection to a Salt Chlorine Generator (SCG) The M920 controller is capable of controlling (turning on/off) a SCG depending on the current ORP reading. This action can be accomplished using a 120V or 240V relay, or by connecting the SCG to the “normally open”...
  • Page 16 M920 & M920W pH/Dual ORP Controller Owner’s Manual Figure 4: HD2 Jumper 8. Converti ng from Cord to Permanent Connecti on a. Remove cover. b. Loosen strain relief gland from AC cord. c. Using a 3/32” (2.44mm) slot screw driver, carefully loosen terminals that att ach the AC cord to the controller box.

  • Page 17: Connecti On Requirements For Remote Connecti Ng

    Setup - Go to Section IV-A on Page 28 for installation instructions. 2. IPS-M920 (Hardwire) The remote monitoring module included with the IPS-M920 requires: • An Ethernet connection provided by a hard wire directly from a router, •...
  • Page 18 M920 & M920W pH/Dual ORP Controller Owner’s Manual The provided connection must allow the remote monitoring module to access the Internet without providing any usernames, passwords, etc. via Port 80 for outbound data only. The best test for this ability is to connect a laptop to the Ethernet cable and open a web browser.

  • Page 19: Operation

    B. Startup and Shutdown 1. Startup a. Provide power to the M920 using either Method 1 or 2 as discussed in step 5d or 5e on page 13. b. Turn on the filter pump and verify the water flow through the flow cell by opening the sample port valve (center) and observing a steady stream of water.

  • Page 20: Modes And Adjustments

    C. Modes and Adjustments 1. Auto a. This is the normal operational mode of the M920 controller. b. The controller allows full operation and monitoring of both pH and ORP levels. c. No function pushbuttons are operational in this mode.
  • Page 21 M920 & M920W pH/Dual ORP Controller Owner’s Manual d. The red function LED next to Auto is illuminated. e. pH and ORP digital displays monitor the sensor input levels. 2. pH standby Note: While in this mode, the green pH standby LED will illuminate, both the pH and ORP digital displays will show dashes, and all Auto functions will be disabled. When a function pushbutton is pressed, the corresponding digital display will show the function. Use the Up or Down arrow buttons to the left to increase or decrease the function value. a. Set Level 1.
  • Page 22 M920 & M920W pH/Dual ORP Controller Owner’s Manual 2. The Over Timer is interlocked with the Dose Time selection. i. If the Dose Time is set to a timed cycle, the Over Timer will count timed feed cycles. Every time the set level is reached the time will reset its count.
  • Page 23 M920 & M920W pH/Dual ORP Controller Owner’s Manual g. pH Cal 1. Use to adjust pH to manually tested value. 2. Maximum increase/decrease is 0.9 pH within the 6.0 to 8.4 display window. 3. ORP1 standby Note: While in this mode, the yellow ORP1 standby LED will illuminate, both the pH and ORP digital displays will show dashes, and all Auto functions will be disabled. Use the Up or Down arrow buttons to the left to increase or decrease the function value.
  • Page 24 M920 & M920W pH/Dual ORP Controller Owner’s Manual i. If the Dose Time is set to a timed cycle, the Over Timer will count timed feed cycles. Every time the set level is reached the Over Timer will reset the count. If the set...
  • Page 25 M920 & M920W pH/Dual ORP Controller Owner’s Manual a. Set Level 1. Default: 640 mV 2. Selectable range: 400 mV to 890 mV (in 5 mV increments), cannot be set for less than 10 mV below the ORP1 set level.
  • Page 26 M920 & M920W pH/Dual ORP Controller Owner’s Manual 5. When the Dose Time is changed from either timed or continuous feed, the Over Timer is reset to Default. 6. Turning off the Over Timer will void any NSF Certification and is not recommended for safety reasons.
  • Page 27 Turn the lock off by holding the hidden button down for 2 seconds until the display indicates “Loc Off”. b. The M920 can be forced to manually dose pH, ORP1, or ORP2 by placing the M920 into the standby mode that is desired (pH, ORP1, ORP2), and then holding down the Dose Time button and pressing the Delay Time button.

  • Page 28: Maintenance

    M920 & M920W pH/Dual ORP Controller Owner’s Manual D. Maintenance 1. Winterizing (extended shutdowns or colder climates) a. Turn off the M920 controller and shut off main power to controller. b. Gently remove the pH and ORP sensors from the flow cell. Fill...
  • Page 29 M920 & M920W pH/Dual ORP Controller Owner’s Manual h. Turn on the M920 controller. Open the flow cell valves and wait for a few minutes for the system to stabilize and get an accurate reading. Adjust the Set Level if necessary.

  • Page 30: Ips-M920 Wi-Fi Setup

    M920 & M920W pH/Dual ORP Controller Owner’s Manual IV. IPS-M920 Wi-Fi Setup A. Smart Phone Wi-Fi Setup 1. Turn on the IPS-M920. 2. Search for available Wi-Fi networks. See Figure 7. 3. Select XPicoWiFi_XXXXXX to connect. Figure 7: Available WiFi networks...
  • Page 31 M920 & M920W pH/Dual ORP Controller Owner’s Manual 7. The XPico WiFi main page will open. Click on Quick Connect at the top of the menu and select the WiFi network to be used (e.g. H88d3). See Figure 11. 8. Type in the Network Key associated with the selected Wi-Fi network.

  • Page 32: Desktop/Laptop Wi-Fi Setup

    M920 & M920W pH/Dual ORP Controller Owner’s Manual B. Desktop/Laptop Wi-Fi Setup 1. Turn on the IPS-M920. 2. Search for available Wi-Fi networks. Figure 14: XpicoWiFi Connection 3. Select XPicoWiFi_XXXXXX to connect. See Figure 14. Note: XXXXXX indicates the last six characters of the MAC/Serial #...
  • Page 33 M920 & M920W pH/Dual ORP Controller Owner’s Manual 8. Type in the Network Key associated with the selected Wi-Fi network. Note: Keys are case sensitive. Click on the Submit button. See Figure 19. 9. Click on the OK button in the dialog box.

  • Page 34: Remote Monitoring Setup

    Note: all letters must be in CAPS and any character that looks like a Zero is a Zero. Choose the Model # (VP200, M920 or M920-CA) and then select Add Controller. Do not select “Existing”. Allow five to ten minutes for the controller data to update completely on the Dashboard.
  • Page 35 M920 & M920W pH/Dual ORP Controller Owner’s Manual d. User’s dashboards will only show the controllers they have been added to. 4. Automated Daily Report a. To receive automated Nightly Summary select Settings and then Account from the Dashboard. b. Select Email Nightly Summary and enter the email addresses for desired recipients separated by a semicolon (;).

  • Page 36: Troubleshooting

    M920 & M920W pH/Dual ORP Controller Owner’s Manual V. Troubleshooting A. pH level too low or Alert Led On 1. pH Set level is too low: Check pH level with test kit and adjust as necessary. 2. Chemical dose time too high: Lower dose time. 3. Chemical feeder is empty (base): Refill the feeder.
  • Page 37 M920 & M920W pH/Dual ORP Controller Owner’s Manual 3. Controller undershooting set level: 1) Check for proper valve positions and leaks in chlorine lines, or 2) Increase dosing time if using timed feed, or switch to continuous feed if using a salt chlorine generator.
  • Page 38 M920 & M920W pH/Dual ORP Controller Owner’s Manual F. Feeder not operating 1. No Flow: Flow light LED must be on. 2. Inadequate Flow: Check flow through the flow cell and controller. 3. Blown output fuse in the controller: Replace fuse. G. Flow LED off 1. Verify that all appropriate valves are open.

  • Page 39: Warranty

    VI. Warranty IPS-M920 pH/Dual ORP Controllers IPS Controllers warrants the IPS-M920 controller to be free of defects in materials and workmanship for a period of five (5) years from the date of installation. This warranty is limited to the repair or replacement of defective components (at our discretion) when returned to the factory within the five (5) year warranty period.
  • Page 40 Factory Contact: 30826 Wealth Street, Murrieta, CA 92563 phone. 877-693-6903, fax. 951-693-3224 www.ipscontrollers.com M920OM 02/23...

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