Manitowoc Multiplex SC2000A

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Part Number 020002365 08/25/2015

Post Mix Soda and Super-Chil™

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:

D
Daniel GentryAug 5, 2025
Why is my Manitowoc Multiplex SC2000A Chiller beverage too sweet and how to fix it?
- C
  Cody NorrisAug 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.
S
Stephanie RobinsonAug 9, 2025
What to do if my Manitowoc Multiplex SC2000A is dispensing only syrup and CO2?
- T
  Theodore MorganAug 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.
R
richardwilliamsAug 13, 2025
Why are my drinks foaming from Manitowoc Chiller?
- B
  Brandy WeissAug 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.
M
masonjoseAug 18, 2025
What to do if my Manitowoc Multiplex SC2000A beverage is not sweet enough?
- R
  robert94Aug 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.
B
Benjamin MartinezAug 21, 2025
What to do if my Manitowoc Multiplex SC2000A Chiller is dispensing only syrup and plain water with no pressure?
- T
  Teresa CarterAug 21, 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.
S
sellersteresaAug 27, 2025
How to fix Manitowoc Multiplex SC2000A when water is only dispensing with no pressure?
- C
  Carolyn McdonaldAug 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.
S
Sarah ReedAug 30, 2025
What to do if one valve on my Manitowoc Multiplex SC2000A won't dispense anything?
- W
  watsonrichardAug 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.

Manitowoc Multiplex SC2000A Specifications

General

Brand	Manitowoc
Model	Multiplex SC2000A
Category	Chiller
Language	English

Summary

Section 2 Installation

Dimensions and Clearances - All Models

Specifies required space around the unit for airflow and access.

Remote Condenser

Safe Installation Dos and Donts

Provides critical safety guidelines and mandatory practices for installation.

Location Requirements

Electrical

Covers general electrical requirements and safety precautions.

Grounding Instructions

Details essential grounding procedures to prevent electric shock.

PlumbingWater Supply

Specifies potable water connection requirements and pressure limits.

Plumbing Circuit Diagrams - Models 42, 44 and SC1000

Illustrates the water circuit for specific models.

Pre-mix Plumbing - Eight Valve Towers with Connection at Center Island

Diagrams syrup line connections for various tower configurations.

Carbonated Water Plumbing - Eight Valve Towers with Connection at Unit

Diagrams carbonated water line connections for tower setups.

Plumbing Circuit Diagrams - Models 50 and SC2000

Illustrates the water circuit for different models.

CO Gas and Compressed Air Circuit Diagram

Shows the gas and air supply lines and components.

Positioning of Refrigeration Unit

Equipment Placement

Electrical Connections

Steps for safely connecting the unit's power supply.

Conduit Installation

Connecting Supply Lines

Carbonated Water Supply Line Diagram

Diagrams for connecting carbonated water lines to towers.

Insulating Connections

Condenser and Pre-charged Lines Installation

Pre-charged Refrigeration Line Requirements

Connecting the Pre-charged Refrigeration Lines

Steps for making secure connections of refrigerant lines.

Testing

Procedures for testing CO2 and syrup circuits for leaks.

Preparing Ice Bank

Instructions for filling the water bath and building the ice bank.

Installation Checklist

Section 3 Operation

Start-Up

Initial procedures for powering on and preparing the equipment.

Placing the Syrup System in Operation

Sequence of Operation

Program Mode 5 (G Series Models)

ERC Programming Flowchart - Modes 1-4

ERC Programming Flowchart - Mode 5

Section 4 Maintenance

Maintenance Schedule

Cleaning and Sanitizing the Dispensing Valves and Product Lines

Procedures for cleaning dispensing components.

Sanitizing

Back-Flow Preventer Maintenance

Section 5 Troubleshooting

Checklist

Guide to diagnose common operational problems and their solutions.

Error Notes

E1, E2, & E3 Flowchart

Diagnostic flowchart for specific error codes related to pressure and water level.

E4, E5, & E6 Flowchart

Diagnostic flowchart for errors related to temperature and pressure.

E7, E8, & E9 Flowchart

Diagnostic flowchart for errors related to ice bank, run time, and pumps.

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