SpectraPure LiterMeter 4 Installation And Operating Manual
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SpectraPure LiterMeter 4 Installation And Operating Manual

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INSTALLATION AND OPERATING MANUAL
WARNING
Please read carefully before proceeding with installation. Failure to
follow any attached instructions or operating parameter may lead to
the product's failure and possible damage to property.
2020-12-08

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Questions and answers

Valery Baur
May 17, 2025

I do not understand how to calibrate on a pd. Ive done the test on the max and min. My reading was A-46 on maximum and A-2 on minimum. I see where you can change a number on the rate. But do I put the minimum number in there or the maximum number?

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1 comments:
Mr. Anderson
May 23, 2025

To calibrate the SpectraPure LiterMeter 4 using the maximum and minimum readings, follow these steps:

1. Prime the pump and tubing by setting Mode to ON until fluid flows steadily.
2. Go to the “Calibrate” page for the pump to be calibrated.
3. With the cursor under “C” in Calibrate, press the button once to begin.
4. Ensure all tubing is connected and primed.
5. Use the supplied 100 ml graduated cylinder.

Max Rate Calibration:
6. Direct the pump output into the cylinder.
7. Press the button to start the test.
8. When the fluid reaches the 100 ml line, press the button again to stop.
9. Empty the cylinder.

Min Rate Calibration:
10. Repeat the process: direct output into the cylinder, press the button to start, and press again when 100 ml is reached.

The LM4 will display the calibrated maximum and minimum flow rates. These rates define the allowed operating range for the pump.

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Summary of Contents for SpectraPure LiterMeter 4

  • Page 1 INSTALLATION AND OPERATING MANUAL WARNING Please read carefully before proceeding with installation. Failure to follow any attached instructions or operating parameter may lead to the product’s failure and possible damage to property. 2020-12-08...
  • Page 2 COPYRIGHT 2020© BY SPECTRAPURE INC ALL RIGHTS RESERVED No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording or otherwise without the prior written permission of SpectraPure Inc.

  • Page 3: Table Of Contents

    ® by us for safety and reliability. If you have any questions or concerns, please contact our customer service department via e-mail at support@spectrapure.com. Introduction Pairing The LM4 With Your Smart Phone Or Personal Device Configuration Examples...

  • Page 4: Introduction

    SpectraPure pumps at once. The LiterMeter 4 (LM4) may be laid flat on a shelf, set on its back, or Velcroed to a wall or under a shelf. It can be orientated with the wires at the top or at the bottom of the unit.
  • Page 5 Each pump has full access to all pages, functions, and inputs. Pumps are connected to the LM4 with male-to-male 3-conductor cables. SpectraPure can provide cables of various lengths from 3 to 25 feet long. They are heavy-duty and shielded, and are recommended for proper operation.

  • Page 6: Pairing The Lm4 With Your Smart Phone Or Personal Device

    Modem - Provides the Internet Connection • Router - WiFi Transceiver (transmit/receive data packets) • SpectraPure LM4 Liter Meter Pump Controller • Personal Device: Desktop Computer, Laptop, Tablet or Smart Phone. To allow for convenient local remote control of the LM4, and to capture...
  • Page 7 SpectraPure ® 4. The Configure WiFi page should display on your PD’s screen (see Fig. 1 desktop computer). 5. Click on or tap the blue Configure WiFi button. This will bring up the list of local networks in your area.

  • Page 8: Top-Off System For Multiple Tanks

    SpectraPure ® Top-Off System for Multiple Tanks: This is the basic Top-Off System, pulling water from a reservoir to replenish evaporation in an aquiarium. There is one pure water supply for two separate tanks (three are possible). Each Pump is controlled by its own level sensor, plus a common Sensor monitors the pure water reservoir.
  • Page 9 SpectraPure ® 2-TANK INDEPENDENT TOPOFFS USING LITERMETER 4 IF INPUT “3” SHOWS “DRY”— PUMPS A & D ARE OFF IF INPUT “1” SHOWS “WET”— PUMP A IS OFF IF INPUT “4” SHOWS “WET”— PUMP D IS OFF EXT CABLES PUMP “A”...

  • Page 10: A-B Dosing System

    SpectraPure ® A--B Dosing System: This is the basic Dosing System, pulling water from a nutrient reservoir to feed an aquiarium. Here there are two such systems (there could be four). Each Pump is set to dose milliliters per day.
  • Page 11 SpectraPure ® A-B DOSING USING LITERMETER 4 BOTH PUMPS STOP WHEN EITHER RESERVOIR RUNS DRY IF INPUT “1” SHOWS “DRY”— PUMPS A & B ARE OFF IF INPUT “2” SHOWS “DRY”— PUMPS A & B ARE OFF EXT CABLES TO PUMP TO PUMP “A”...

  • Page 12: Water Exchange System

    SpectraPure ® Water Exchange System: This is a Water Exchange System that is protected on both ends with Level Sensors. Fresh Salt Water is dosed to the sump periodically. An equal amount is dosed from the sump to drain. Both Pumps will stop if either the reservoir is dry or the sump has reached a critical level.
  • Page 13 SpectraPure ® WATER EXCHANGE USING LITERMETER 4 EXT CABLES PUMP PUMP TO PUMP TO PUMP OUT TO “B” “D” DRAIN PUMP LITERMETER 4 INPUT TO INPUT TO INPUT “1” “3” LEVEL FRESH SALT WATER SENSOR SUMP EXT CABLES LEVEL SENSOR IF INPUT 3 SHOWS “WET”, THEN THE PUMPS CONNECTED TO “B”...

  • Page 14: Ato + Water Exchange + Kalkwasser System

    SpectraPure ® ATO + Water Exchange + Kalk System: This is a 4-Pumps + 4-Inputs example demonstrating the comprehensive water level control possible with the LM4. Parts List: 1x LM4 & Power Supply 4x Pumps 3x Sensors 1x Wet Floor Sensor (available soon) 8x EXT Cables, Length as Required 8x Tubing, 1/4”, Length as Required...
  • Page 15 SpectraPure ® ATO + Water Exchange + Kalk System SpectraPure Inc. ® 480.894.5437 Call us toll-free 1.800.685.2783 2167 East Fifth St, Tempe, Arizona 85281...

  • Page 16: Settings Page On A Personal Device

    SpectraPure ® Settings Page on a Personal Device (PD): This is the first page you see after connecting to the LM4. Select any of the four pumps to set up and save their parameters. Tap “Calibrate”, Inputs”, or “System” to move to that page.
  • Page 17 SpectraPure ® Settings Page: Settings Page: Pump C in ONCE Mode Pump B in DOSE Mode Touch the white data entry Touch the white data entry box box next to “New Rate:”. next to “New Rate:”. Using the keypad that appears, Using the keypad that appears, enter the new Flow Rate.
  • Page 18 SpectraPure ® PreSet Periods and Cycles: DOSE Periods: DAILY Cycles: 2 mins 720 per day 3 mins 480 per day 4 mins 360 per day 6 mins 240 per day 10 mins 144 per day 15 mins 96 per day...
  • Page 19 SpectraPure ® Settings Page: Pump A in DELAY/DAILY Mode First, if a Mode is already selected, tap it to deselect it. When no Mode is selected, the current time is displayed as a useful template to modify and enter a future time and date.

  • Page 20: Calibrate Page On A Personal Device

    SpectraPure ® Calibrate Page on a PD: “Calibrate” will prepare the “Current Pump” for calibration. See “Calibrate Page on the LM4” for more details. You can have All Pumps Off and still perform the Calibration when using the PD. Calibrate Page: Tap “Begin”...

  • Page 21: Inputs Page On A Personal Device

    SpectraPure ® Inputs Page on a PD: “Inputs” displays the 4 x 4 matrix of Pumps and Sensors. Inputs Page: Inputs Page, example: Default - All Inputs are Input #1 uses the Master’s sensor Cleared and and attaches Pump A to it. When Unassigned.

  • Page 22: System Page On A Personal Device

    SpectraPure ® System Page on a PD: “System” displays WiFi connections and access to General Configuration Functions. System Page: Notes the private SSID of this System Page: LM4 and the URL to reach it. Set TIme Zone Notes the name of the local...
  • Page 23 System Page: System Page: Firmware Update Confirm Factory ReStore Download the latest Firmware “Clear and Restore to Update from SpectraPure to your Factory Settings ”. Personal Device. Tap “Choose ‘LM4-xx-. . .” Select the Update from the list of “Most Recent Downloads”, It should be near the top of the list.

  • Page 24: Litermeter 4 Basic Operation

    SpectraPure ® LiterMeter 4 Basic Operation: The LM4 will return to the state it was in when a Restart occurs or power is lost and restored. All Pump functions and timings will be restored and operation will continue. SpectraPure If ALL PUMPS OFF is displayed:...

  • Page 25: Settings Page On The Lm4

    SpectraPure ® Settings Page on the LM4: With the Settings page selected, press to move the cursor to the “M” in “Mode:”. (Later, press to move back up to the current pump.) Press button to move the cursor to the data entry area for Mode:.
  • Page 26 SpectraPure ® In DOSE Mode, the amount (in milliliters) “Each:” dose will dispense and how often to dispense it can be set. Navigation is similiar to the DAILY screen - enter mlliliters per dose and select the desired period. The minutes in DOSE mode or the number of cycles in DAILY mode must be evenly divisible into 1440 (the number of minutes in a day).
  • Page 27 SpectraPure ® Some Examples Using the LM4: Pump B is set to run B:Settings continuously at 100 ml/min. Mode: ON Rate: 100 ml/m Pump C is set to DOSE 100 ml C:Settings every 10 minutes. Mode: DOSE Each: 100 ml...

  • Page 28: Calibrate Page On The Lm4

    SpectraPure ® Calibrate Page on the LM4: The flow rate of any pump is affected by the size, length, and level changes of the connected tubing — how far up it is pushing or how far down is it drawing from. In order to get the most accuate results when calibrating the pump, it is recommended that the pump be set up in the desired installation/configuration before beginning the calibration sequence.
  • Page 29 SpectraPure ® A: Calibration When the level in the graduated cylinder Max Rate (ml/m) reaches the 100 ml. line, press the button Stop 100ml? > again to complete the Max Rate test. Empty the cylinder. A: Calibration Again, use the100 ml. graduated cylinder.

  • Page 30: Inputs Page On The Lm4

    SpectraPure ® Inputs Page on the LM4: Any input can be “attached” to any or all pumps. For example, a float switch can be set up to turn a pump “off” when that float switch is “wet”. There are four inputs for connecting a variety of sensors including float switches, capacitive sensors, *wet floor sensors, *ground moisture sensors, *light sensors, and others.

  • Page 31: External Remote Level Sensors

    SpectraPure ® move to the word “DRY”. Press to toggle between “DRY” and “WET”. Press to move back to “IF”. Move down to the “T” in “THEN”. This will configure the operation of the pump. Press to move to the word “ON”. Press to toggle between ”ON”...

  • Page 32: System Page On The Lm4

    SpectraPure ® System Page on the LM4: The “System” page lists “Inputs”, “Networks”, and “Calibrations”. Inputs: With the cursor under the “S” in System, press to move down to the “ > ” to the left of “Inputs”. Press to enter the “Inputs”...

  • Page 33: Normal Restart Sequence: (W/ Valid Wifi Creds)

    After acquiring the time, the LM4 will display the SSID of the local router. Use the IP address in a browser to connect to the LM4. SpectraPure Continue on to “LiterMeter 4 Basic Operation” LiterMeter 4 and/or “Settings Page on a Personal Device”.
  • Page 34 SpectraPure ® The LM4 connects properly to the internet, But Could but there’s a problem getting the time from a Not Get time server. If unsuccessful on the first try, it will Time From repeat this process until a valid time is received.

  • Page 35: Restart And Configuration Functions

    SpectraPure ® ReStart and Configuration Functions: There are two ways to ReStart the LM4: When the LM4 is already powered-up and operational, press and hold BOTH LEFT ( ) and UP ( ) buttons AT THE SAME TIME. Continue to hold the buttons down until the LM4 beeps two times. Release the buttons and the LM4 will ReStart.

  • Page 36: Toggle The Use/No Use Of A Router

    SpectraPure ® Toggle the Use/No Use of a Router (LEFT Button The LM4 has an internal clock that is very accurate, day-to-day. The Daily, Dose, and Once Modes use this clock. However, the TIMER and DELAY Modes need to know the actual time They get the time from the Internet, and that requires connecting to a local WiFi router.

  • Page 37: Toggle Master/Remote Mode

    SpectraPure ® Toggle Master/Remote Mode (RIGHT Button “Using Remote Mode” later in this document. This mode is only usable when there is another LM4 in Master Mode. When in Remote Mode, the LM4 communicates directly with the Master LM4, so the router connection will be toggled off.

  • Page 38: Clear And Restore To Factory Settings

    SpectraPure ® Clear and Restore to Factory Settings (APO Button Parameters that are restored to default factory values include: Calibration Parameters for All Pumps: Factory parameters may not always be accurate for a given pump, but the pumps should operate.

  • Page 39: Quick Start: Pairing The Lm4 With Your Phone

    SpectraPure ® Quick Start: Pairing the LM4 with Your Phone: A new LiterMeter4 out-of-the-box will display the following: (Also, a LM4 that has had its WiFi Credentials Cleared) This is the current version of the firmware. It can be updated.
  • Page 40 Please note the IP address that your router has assigned to the LM4, as (LM4’s IP Address). SpectraPure Then, the LM4 displays the most recent LiterMeter 4 screen. ALL PUMPS OFF “System Page on the LM4” for how to find LM4’s IP Address. Or, just ReStart and watch the screen.

  • Page 41: Using Remote Mode

    SpectraPure ® Using Remote Mode: A second LM4 can be configured as a “Remote”. It will be in constant wireless contact with a “Master” LM4. A Remote can be considered to be an extension of the Master. The Remote shares the state of its inputs with the Master and allows the Master to control its pumps.
  • Page 42 SpectraPure ® Some Examples Using Remote Mode: Master LM4 Screen: D:Settings Master controls the Remote’s Pump D Mode: DOSE [Rem] in DOSE Mode, delivers 10 ml every 20 Each: 10 ml minutes. [Rem] is displayed whenever Every: 20 mins Remote’s Pump D Mode is set to “ON”.

  • Page 43: Troubleshooting, Tips & Tricks

    SpectraPure ® Troubleshooting, Tips & Tricks: Every LM4 will have an unique ID so you can identify and operate multiple units on the same network or router. (This ID is also used to help pair a “Master” LM4 with a “Remote” LM4.) A Personal Device is the “controller-in-charge”.

  • Page 44: One Year Limited Warranty

    ® a period of one year from the date of receipt. SpectraPure’s liability under this warranty shall be limited to repairing or replacing at SpectraPure’s option, without charge, F.O.B. SpectraPure’s factory, any product of SpectraPure’s manufacture.

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