Manitowoc IYF2100C

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Part Number 000014141 Rev 07 2/20

Indigo NXT Ice Machines

Installation, Operation and Maintenance Manual

Original Document

,

Caution

Read this instruction before operating this equipment.

Engineered for Ease

Table of Contents

Other manuals for Manitowoc IYF2100C

Technician's Handbook212 pages

Questions and Answers:

K
katherinejeffersonAug 14, 2025
Why is my Manitowoc Ice Maker not working?
- M
  Maria RomeroAug 14, 2025
  If your Manitowoc Ice Maker isn't operating, several factors could be at play. First, ensure the unit is receiving electrical power by checking the fuse, resetting the breaker, or turning on the main switch. A tripped high-pressure cutout might also be the culprit, requiring you to clean the condenser coil. Confirm that Energy Saver settings or other custom programming aren't inadvertently halting the ice machine. Make sure the water curtain is correctly installed and swings freely. Verify the ice machine is powered on, with the display indicating “Making Ice”. For IB Models, check that the dispenser ice level thermostat is correctly adjusted.
N
ncamposAug 17, 2025
Why is my Manitowoc Ice Maker not making ice?
- V
  Veronica NguyenAug 17, 2025
  Your Manitowoc Ice Maker might not be operating due to several reasons: * There's no electrical power: Replace the fuse, reset the breaker, or turn on the main switch. * The high-pressure cutout is tripping: Clean the condenser coil. * Energy Saver mode is stopping the ice machine: Reset to factory defaults. * The water curtain is off or stuck open: Ensure the water curtain is installed and swinging freely. * The ice machine is not turned on: Press the power button; the display must indicate “Making Ice.” * For IB Models Only - The dispenser ice level thermostat is open: Adjust the thermostat to maintain the correct dispenser level.
C
Carrie HoganAug 21, 2025
How to fix a Manitowoc IYF2100C Ice Maker that is not releasing ice?
- J
  justin46Aug 21, 2025
  If your Manitowoc Ice Maker is not releasing ice or is slow to harvest, several factors could be responsible. Start by descaling and sanitizing the ice machine, as it might be dirty. Ensure the ice machine is level. The air temperature around the ice machine head section must be at least 35°F (2°C). If the fan cycle control isn't de-energizing the condenser fan motor, call for service. Check if the water regulating valve is incorrectly adjusted or won't close; if water is present at the condenser drain outlet during the harvest cycle, contact a qualified service company to adjust or replace the valve.
M
Melissa NelsonAug 25, 2025
What to do if my Manitowoc IYF2100C Ice Maker produces poor quality ice?
- J
  John WeberAug 26, 2025
  If your Manitowoc Ice Maker is producing soft or unclear ice, it could be due to: * Poor incoming water quality. * Poor water filtration: Replace the filter. * The ice machine is dirty: De-scale and sanitize the ice machine. * The water dump valve is not working: Disassemble and de-scale the water dump valve. * The water softener is working improperly (if applicable): Repair the water softener.
E
etaylorAug 28, 2025
Why is my Manitowoc Ice Maker producing shallow or incomplete cubes?
- S
  stokesdanielleAug 28, 2025
  If your Manitowoc Ice Maker is producing shallow or incomplete cubes, or the ice fill pattern on the evaporator is incomplete, consider the following: * The ice thickness probe is out of adjustment: Adjust the ice thickness probe. * The water trough level is too low: Check the water level probe position. * The water inlet valve filter screen is dirty: Remove the water inlet valve and de-scale the filter screen. * Poor water filtration: Replace the filter. * Hot incoming water: Connect the ice machine to a cold water supply. * The water inlet valve is not working: Replace the water inlet valve. * Incorrect incoming water pressure: Ensure water pressure is between 20 psi - 80 psi (140 kPa - 550 kPa). * The ice machine is not level: Level the ice machine.
H
hayalaSep 1, 2025
How to fix low ice capacity in my Manitowoc Ice Maker?
- J
  Joseph ReynoldsSep 1, 2025
  If your Manitowoc Ice Maker has a low ice capacity, check these possible causes: * The water inlet valve filter screen is dirty: Remove the water inlet valve and de-scale the filter screen. * The incoming water supply is shut off: Open the water service valve. * The water inlet valve is stuck open or leaking: Press the power button and turn off the ice machine; if water continues to enter the water trough, replace the water inlet valve. * The condenser is dirty: Clean the condenser. * High air temperature entering the condenser. * The harvest assist air compressor is not functioning.
X
xparkerSep 5, 2025
What to do if my Manitowoc Ice Maker does not release ice?
- C
  Cory SchmidtSep 5, 2025
  If your Manitowoc Ice Maker is not releasing ice or is slow to harvest, consider these potential issues: * The ice machine is dirty: De-scale and sanitize the ice machine. * The ice machine is not level: Level the ice machine. * Low air temperature around the ice machine head section: Ensure the air temperature is at least 35°F (2°C). * Fan cycle control does not de-energize condenser fan motor. * The water regulating valve is incorrectly adjusted or will not close: Check for water at the condenser drain outlet in the harvest cycle. Contact a qualified service company to adjust/replace the valve if water is present.
J
Jason McphersonSep 8, 2025
Why won't my Manitowoc IYF2100C Ice Maker cycle into harvest mode?
- D
  David GibbsSep 9, 2025
  If your Manitowoc Ice Maker is not cycling into harvest mode, it might be due to: * The six-minute freeze time lock-in has not expired yet: Wait for the freeze lock-in to expire. * The ice thickness probe is dirty: De-scale and sanitize the ice machine. * The ice thickness probe is disconnected: Connect the probe to the control board. * The ice thickness probe is out of adjustment: Adjust the ice thickness probe. * Uneven ice fill (thin at the top of the evaporator): Verify sufficient water level in the sump trough. Contact a qualified service company to check the refrigeration system.

Manitowoc IYF2100C Specifications

General

Brand	Manitowoc
Model	IYF2100C
Category	Ice Maker
Language	English

Summary

Safety Notices and Definitions

General Safety Precautions

General safety precautions to prevent injury during operation, installation, and maintenance.

Installation Safety Warnings

Preventing Injury During Installation

Specific safety measures for installing the ice machine to prevent injury.

Flammable Refrigeration System Safety

Flammable Refrigeration System Requirements

Safety requirements for flammable refrigeration systems during installation, use, and repair.

Electrical and Operational Safety

Electrical Installation Requirements

Electrical safety guidelines for installing the ice machine.

Operation and Maintenance Safety Precautions

Safety measures for operating and maintaining the ice machine.

Use and Maintenance Safety Precautions

Personal Injury Prevention During UseMaintenance

Safety precautions for personal injury during the use and maintenance of the equipment.

Section 2 Installation: Location and Requirements

Location Selection Criteria

General Installation Requirements

Installation: Bin and Dispenser Setup

Ice Machine Bin Installation Guide

Electrical Requirements and Specifications

General Electrical Installation Guidelines

Guidelines for wiring, grounding, and circuit breakers.

Electrical Specifications Chart

Breaker Size and Circuit Amperage

Chart detailing breaker sizes and circuit amperages for various models.

Electrical Specifications (Continued)

Breaker Size and Circuit Amperage Chart (Continued)

Continues the chart for breaker sizes and amperages.

Water Supply and Drain Line Sizing

Water Supply and Drain Line Sizing and Connections

Details on sizing water and drain lines and making connections.

Water Connection Guidelines

Section 2 Installation: Refrigeration System Setup

Remote Condenser and Condensing Unit Installation

Instructions for installing remote condenser and condensing unit systems.

Remote Condenser Installation Details

Calculating Installation Distances

Method for calculating maximum installation distances.

Calculating Installation Distances and Setup

Maximum Line Set Distance Formula

Formula and steps to calculate total line set distance.

Remote Condenser Installation Steps

Refrigeration Tubing and Connections for QuietQube

QuietQube Model Condensing Unit Setup

Pressure Testing and Evacuation Procedures

Pressure Test and Evacuate Line Set and CVD Condensing Unit

Procedure for pressure testing and evacuating the refrigeration system.

Opening Valves and Model-Specific Instructions

Open Valves for Line Set and Receiver

Instructions for opening valves after installation.

Leak Checking and Insulation Requirements

Leak-Check Refrigeration System Procedure

Procedure for leak-checking the refrigeration system.

Section 3 Operation: Control Panel Overview

Touch Screen Features

Touchscreen Navigation

Details on home screen and touchscreen navigation.

Setup Wizard for Ice Machine Programming

Guided Setup Wizard Procedure

Step-by-step guide for initial ice machine programming.

Menu Screen Navigation Options

Main Menu Navigation

Ice Making Cycle and Control Board Timers

Ice Making Sequence of Operation

Details the sequence of cycles in the ice making process.

Service Fault Identification

Explains service faults and their impact on operation.

Ice Thickness Adjustment and Checking

Minimum and Maximum Slab Weight Adjustment

Guide to adjusting ice thickness to meet specifications.

Ice Thickness Probe Check and Adjustment

Procedure to inspect and adjust ice thickness probe.

Section 4 Maintenance: Cleaning Procedures

General Descaling and Sanitizing

General info on descaling/sanitizing frequency and products.

Remedial Cleaning Procedure

Detailed Descaling and Sanitizing Procedure

Step-by-step guide for thorough descaling and sanitizing.

Detailed Descaling and Sanitizing Procedure Steps

Descaling and Sanitizing Procedure Details

Continues the detailed procedure, including chemical amounts.

Descaling and Sanitizing Cycle Steps

Post-Cycle Cleaning Instructions

Sanitizing Procedure Steps

Steps for sanitizing the ice machine and components.

Sanitizing Procedure Steps Continued

Sanitizer Application to Food Zones

Starting the Sanitize Cycle

Parts Removal for Detailed Cleaning

Detailed Part Removal for Descaling

Detailed instructions for removing parts for cleaning.

Remedial Cleaning Procedure Steps

Remedial Cleaning Procedure Steps

Section 4 Maintenance: Air Filter, Condenser, and Winterization

Cleaning Air Filter and Condenser

Removal from Service and Winterization

Section 5 Troubleshooting: Service Checklist

Before Calling for Service Checklist

Checklist to diagnose problems before calling service.

Troubleshooting Common Ice Machine Issues

Ice Machine Not Cycling to Harvest Mode

Poor Ice Quality Troubleshooting

Incomplete Ice Production Troubleshooting

Troubleshooting: Low Ice Capacity and Service Faults

Low Ice Capacity Causes and Solutions

Understanding and Responding to Service Faults

Explanation of built-in service faults and restart procedures.

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