Manitowoc QM30A

QM30 Series
Ice Machines
Installation,
Use and Care,
and Service Manual
Thank you for selecting a Manitowoc Ice Machine, the dependability leader in ice making equipment and related
products. With proper care and maintenance, your new Manitowoc Ice Machine will provide you with many
years of reliable and economical performance.
We reserve the right to make product improvements at any time.
Specifications and design are subject to change without notice.
Part Number 80-1121-3
Rev. C 01/01

Manitowoc QM30A Specifications

General

Brand	Manitowoc
Model	QM30A
Category	Ice Maker
Language	English

Summary

General Information

ModelSerial Number Location

Record model/serial number for service and support.

Warranty Registration and Coverage

Details on warranty registration process and coverage terms.

Installation Instructions

Location and Leveling Requirements

Criteria for machine placement, temperature, and leveling.

Electrical Service Requirements

Electrical requirements, wiring, voltage, grounding, and breakers.

Water Supply and Drain Connections

Guidelines for water supply, treatment, and drain connections.

Ice Machine Operation

Sequence of Operation

Details the sequence of operation for the ice making cycle.

Ice Thickness Adjustment

Procedure to adjust ice cube thickness by measuring slab weight.

Maintenance

General Inspection and Exterior Cleaning

Routine checks, airflow management, and exterior cleaning.

Condenser Cleaning

Steps to clean the air-cooled condenser and fins.

Interior Cleaning and Sanitizing

Procedures for cleaning and sanitizing the ice machine interior.

Parts Removal and Winterization

Instructions for removing components and preparing for winter storage.

Before Calling for Service

Troubleshooting Checklist

Checklist for diagnosing common ice machine problems and solutions.

Service

Wiring Diagrams

Electrical schematics for QM30 models.

Component Diagnostics

Diagnostics for fuses, switches, relays, and bin thermostat.

Compressor and Refrigeration Diagnostics

Compressor testing and refrigeration system diagnostics using temperatures.

Refrigerant Handling Procedures

Procedures for refrigerant recovery, evacuation, and charging.

Troubleshooting and Production Checks

Troubleshooting non-operation and ice production checks.