QED MP50 - User Manual

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Part No. 95258 2-15-10

MP50

CONTROLLER/COMPRESSOR

MODEL

PATENT PENDING

O

U

a

sics

Manual

Instruction

P.O. Box 3726 Ann Arbor, MI 48106-3726 USA

1-800-624-2026 Fax (734) 995-1170

info@qedenv.com www.qedenv.com

Questions and Answers

S
slarsonAug 3, 2025
Why is my QED Controller not cycling?
- D
  David MorseAug 3, 2025
  If the QED Controller is not cycling, there might be several reasons: * Low or dead batteries. * The lid might not be open; ensure you open it. * The temperature might be below 10º F; warm the controller. * The MP50 might not be STARTED with CYCLE key or is in HELD mode; operate the CYCLE and/or PAUSE key to return the MP50 to cycling state. * The MP50 might be in LEVEL hold; make sure the MP30 probe is submerged when in MP mode.
R
Ryan CisnerosAug 8, 2025
What to do if the QED Controller pump is not pumping?
- S
  Stephanie MartinAug 8, 2025
  If the pump is not pumping with the QED Controller, check the following: * Ensure the throttle is not turned too low; turn the throttle clockwise to produce pressure. * Verify the time settings; try different CPM settings (lower CPM for deeper wells) and/or different refill and discharge time settings. * Confirm that the air source pressure is adequate.
K
Kimberly HaynesAug 15, 2025
How to fix air not cycling through QED Controller?
- G
  Gary ShieldsAug 15, 2025
  If air is not cycling through the QED Controller, check if the throttle is turned too low. Turn the throttle clockwise to produce pressure. Also, verify the air source to ensure it is delivering air.
J
Joshua CardenasAug 20, 2025
Why is the QED Controller battery life too short?
- D
  Donald WestAug 20, 2025
  If the QED Controller's battery life is too short, it could be due to the controller being left on while stored; turn the MP50 off before storing and remove batteries when storing for more than 1 month. Also, low temperatures (below 10º F) can affect battery life; warm the controller.
B
brent06Aug 27, 2025
How to fix QED MP50 display not showing?
- S
  Susan GibbsAug 27, 2025
  If the QED Controller display is not showing, check the battery voltage on opening the display (it requires >3.6 volts). Replace the batteries if needed and check the battery connection.

Summary

Safety Warnings and Precautions

General Safety Guidelines

Covers warnings related to compressed air and pneumatic pump operation.

Diagrams and Conventions Overview

MP50 Control Panel Layout

Illustrates and labels the components of the MP50 controller panel.

MP50 Control Key Functions

Explains the function of each key on the MP50 controller.

MP50 Display Information

Details the information displayed on the MP50 screen and its elements.

Manual Abbreviations Defined

Lists and defines abbreviations used throughout the manual.

Introduction and Quick Start Guide

MP50 Product Introduction

Overview of the MP50 Micro Purge Basics Controller/Compressor and its features.

MP50 Battery Installation

Instructions for installing and managing AA batteries for the MP50.

MP50 Initial Setup Procedure

Step-by-step guide for initial setup and operation of the MP50.

Low-Submergence Bladder Pump Operation

MP50 Operation Procedures

Powering On the MP50 Controller

Procedure for powering on the MP50 controller and its initial display.

Understanding the Opening Display

Describes the initial screen display and battery voltage requirements.

MicroPurge Mode Explained

Explains the default MicroPurge (MP) mode and its settings.

Using Cycles Per Minute (CPM) Flow Control

Details the Cycles Per Minute (CPM) method for controlling pump flow rate.

Adjusting CPM and Flow Settings

Elaborates on how CPM, refill, and discharge times are adjusted.

Sample Collection with PAUSE Key

Describes how to use the PAUSE key for sampling and holding.

Flow Throttle Operation

Explains the function and adjustment of the flow throttle.

MP30 Drawdown Control Integration

Details integration of MP50 with the MP30 drawdown meter.

MP50 and MP30 Connection Diagram

Illustrates the connection and use of MP50 with MP30.

Coordinated MP50;MP30 Operation

Explains how MP50 and MP30 work together for drawdown control.

ID Mode for Settings Recall

Describes the ID Time Set mode for recalling pre-determined settings.

User Set Mode (MN) Configuration

Explains manual setting of refill and discharge times in User Set mode.

MP50 Battery Maintenance

Information on battery optimization, life, and replacement.

Troubleshooting MP50 Issues

MP50 Troubleshooting Table

A table listing common symptoms, causes, and fixes for MP50 issues.

MP50 Technical Specifications

Detailed MP50 Specifications

Lists technical specifications like temperature range, dimensions, power, etc.

QED Product Warranty

QED Monitoring System Warranty Details

Details the warranty terms, duration, and limitations for QED products.

Purchasers Warranty Responsibilities

Outlines the buyer's responsibilities in case of a warranty claim.

Appendix Data and Tables

Appendix 1: ID Data Table

Provides a table of ID settings, CPM, refill, and discharge times.

QED MP50 Specifications

General

Keys	49
Velocity Sensitivity	Yes
Aftertouch	No
Pitch Bend	Yes
Modulation Wheel	Yes
Platform	Mac, PC
Type	Keyboard Controller