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Manitowoc Multiplex 50MA04 - User Manual

Manitowoc Multiplex 50MA04
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Part Number 020002365 08/25/2015
Post Mix Soda and Super-Chilâ„¢
Refrigeration Unit with Electronic Control
Installation, Operation and Maintenance Manual
This manual is updated as new information and models are released. Visit our website fo rthe latest manual.
www.manitowocbeverage.com/us

Table of Contents

Questions and Answers

  • A
    Angela CarsonAug 5, 2025
    Why is my Manitowoc Chiller beverage too sweet and how to fix it?
    • I
      ibuckAug 5, 2025
      If the beverage dispensed by your Manitowoc Chiller is too sweet, it could be due to a few reasons. The flow control might be out of adjustment, so try adjusting it. Another possibility is insufficient soda flow caused by low carbonator pressure; in this case, adjust the CO pressure or change the tank. Leaks causing low CO pressure could also be the culprit, so repair any CO leaks. Finally, check for any obstructions in the water or soda line and clean them out.
  • M
    Melissa DillonAug 9, 2025
    What to do if my Manitowoc Chiller is dispensing only syrup and CO2?
    • J
      Jordan SloanAug 9, 2025
      If your Manitowoc Chiller is only dispensing syrup and CO2, there might be a few issues. First, check the power supply and ensure the carbonator is plugged in or reset the breaker. Also, make sure the water supply is turned on. Replacing the water filter might help. Additionally, check, clean, or replace the pump strainer and the water check valve. For internal carbonator units, check for frozen water lines. If none of these work, the carbonator itself might be defective, so check, repair, or replace the carbonator pump, motor, electrode, or liquid level control.
  • M
    Martha CrossAug 13, 2025
    Why are my drinks foaming from Manitowoc Multiplex 50MA04?
    • K
      Kathleen JohnsonAug 13, 2025
      If your drinks are foaming when dispensed from your Manitowoc Chiller, it could be due to over carbonation. Check the CO supply and reset the pressure or replace the regulator as necessary. Another possible cause is dirty lines or valves, so clean and sanitize the entire system.
  • J
    John PachecoAug 18, 2025
    What to do if my Manitowoc Chiller beverage is not sweet enough?
    • L
      Leslie HardinAug 18, 2025
      If the beverage from your Manitowoc Chiller isn't sweet enough, it could be that the flow control is out of adjustment; try adjusting it. Another possibility is that the soda flow is too high, so reset the CO pressure or replace the regulator if necessary. Also, check for any obstructions in the syrup line and clean it out.
  • A
    Amanda OconnellAug 22, 2025
    What to do if my Manitowoc Multiplex 50MA04 Chiller is dispensing only syrup and plain water with no pressure?
    • E
      escobarloriAug 22, 2025
      If your Manitowoc Chiller is dispensing only syrup and plain water without pressure, ensure you install a fresh CO2 tank. Also, adjust the HP regulator to the proper setting or check, repair, or replace the HP regulator if it's defective. Inspect the CO line for any pinches, kinks, or obstructions and repair or replace as needed.
  • T
    timothykingAug 26, 2025
    How to fix Manitowoc Multiplex 50MA04 Chiller when water is only dispensing with no pressure?
    • J
      Jennifer GuzmanAug 27, 2025
      If your Manitowoc Chiller is only dispensing water with no pressure, the regulator(s) may be out of adjustment; check and adjust them. You might also be out of CO2, so install a fresh tank. Defective regulators could also be the issue, so check, repair, or replace them. Finally, inspect the CO line for any pinches, kinks, or obstructions and repair or replace the CO line.
  • T
    Tyler TurnerAug 30, 2025
    What to do if one valve on my Manitowoc Multiplex 50MA04 won't dispense anything?
    • L
      Lee ScottAug 30, 2025
      If one valve on your Manitowoc Chiller isn't dispensing anything, and you've confirmed there's power to the valve, it could be due to a broken wire or loose connection; replace or repair the wire or connector. Alternatively, the microswitch might be bad, so replace it.

Summary

Installation

General Installation Requirements

Electrical and Grounding

Electrical hookup, ampacity, and safety grounding.

Plumbing and Water Supply

Water connections, pressure, and diagrams.

Circuit Diagrams

Conduit and Line Connections

Routing and connecting conduit, fittings, and supply lines.

Remote Condenser and Line Installation

Operation

Start-Up and Syrup System Operation

Electronic Control and Error Codes

Control panel functions, error codes, and programming.

Troubleshooting

Troubleshooting Checklist

Guide to diagnose and resolve common problems.

Error Notes and Diagnostic Flowcharts

Explanation of error codes and step-by-step troubleshooting guides.

Manitowoc Multiplex 50MA04 Specifications

General IconGeneral
BrandManitowoc
ModelMultiplex 50MA04
CategoryChiller
LanguageEnglish

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