Manitowoc Indigo NXT Series User Manual

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

Manitowoc Indigo NXT Series Specifications

General

Model	Indigo NXT Series
Ice Production	Varies by model
Ice Storage	Varies by model
Energy Efficiency	Energy Star certified models available
Refrigerant	R290 (varies by model)
Cooling System	Air-cooled or water-cooled (varies by model)
Condenser Type	Air-cooled, Water-cooled, or Remote
Touch Display	Yes, with intuitive interface
Control	Cleaning Alerts
Features	Self-cleaning, remote monitoring, energy-saving modes
Power Supply	Varies by model (typically 115V or 208-230V)
Dimensions (H x W x D)	Varies by model
Weight	Varies by model

Summary

Safety Notices

Definitions

Explains hazard symbols like Danger, Warning, Caution, and Notice.

Installation Safety Precautions

Outlines safety measures to prevent personal injury during installation.

Refrigeration System Safety Requirements

Details requirements for flammable refrigeration systems during installation and use.

Electrical Installation and Operating Safety

Covers electrical precautions for installation and operation safety.

Maintenance and Operational Safety Guidelines

Provides precautions for safe use and maintenance of the equipment.

Section 1 General Information

Model Identification

Lists all covered Manitowoc ice machine models and their configurations.

Available Accessories

Describes available accessories, starting with the Ice Deflector.

Understanding Model Numbers

Explains the meaning of each character in a model number for identification.

Section 2 Installation

Site Requirements and Clearances

Covers location criteria, general installation rules, and required clearances.

Mounting and Bin/Dispenser Integration

Details steps for installing the ice machine on bins or with dispensers.

Electrical Specifications and Connections

Covers electrical needs, wiring, grounding, and breaker/ampacity charts.

Water Supply and Drain System Setup

Specifies water line sizing, connections, air gap requirements, and drain line guidelines.

Remote Condenser System Installation

Instructions for installing remote condensers, line sets, and distance calculations.

Refrigeration System Pressure Testing and Valve Control

Critical steps for pressure testing, evacuation, and valve operation.

Leak Checks, Insulation, and Initial Startup

Procedures for leak checks, insulation, and preparing for startup.

Initial Startup, Warranty, and Condenser Compatibility

Information on starting the machine, warranty, and using non-Manitowoc condensers.

Section 3 Operation

Control Panel Interface Overview

Overview of the control panel, buttons, and touchscreen interface.

Home Screen Icons and Setup Wizard

Explains home screen icons and guides users through initial setup and programming.

Ice Making Process and Control Logic

Details the ice making sequence, control board timers, and operational modes.

Ice Thickness Adjustment and Water Management

How to adjust ice thickness, check slab weight, and manage water quality settings.

Section 4 Maintenance

Descaling and Sanitizing Procedures

Importance and general steps for descaling and sanitizing the ice machine.

Component Removal for Cleaning

Instructions for safely removing components for detailed cleaning.

Filter, Condenser Cleaning, and Winterization

Maintenance of air filters, condensers, and procedures for removal/winterization.

Section 5 Troubleshooting

Pre-Service Diagnostic Checklist

A guide to diagnose common issues before contacting service.

Common Ice Machine Problems and Solutions

Addresses issues like no cycling, poor ice quality, and incomplete cubes.

Service Faults and Restart Procedures

Explains machine faults and steps for restarting after a fault.