Manitowoc UDF0310A - User Manual

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Part Number: 040005890 Rev 06 11/20

UnderCounter Ice Machines

Installation, Operation and Maintenance Manual

,

Caution

Read this instruction before operating this equipment.

Table of Contents

Other manuals for Manitowoc UDF0310A

Technician's Handbook260 pages

Questions and Answers:

T
Timothy CarterAug 14, 2025
How to troubleshoot a Manitowoc Ice Maker that does not operate?
- S
  Sandra GibsonAug 14, 2025
  If your Manitowoc Ice Maker isn't operating, there could be several reasons. First, check the power supply: ensure the machine is plugged in, the main switch is on, the breaker hasn't tripped, and the fuse is intact. If power isn't the issue, make sure the ice machine is turned on by pressing the On/Off button. Lastly, confirm that the damper is in the upright position and can swing freely.
H
huntdaleAug 17, 2025
Why is my Manitowoc UDF0310A producing low ice capacity?
- R
  Ralph AndersonAug 17, 2025
  If your Manitowoc Ice Maker has low ice capacity, start by cleaning the condenser. Ensure the air temperature around the ice maker (for air-cooled models) does not exceed 110° F (43°C) and that there is adequate clearance around the unit to allow proper airflow. Remove any objects blocking airflow to the condenser. Verify that the incoming water is cold and that the water pressure is within the range of 20-80 psi (137.9 -551.5 kPa), replacing the water filter if needed.
L
Lindsay CarterAug 21, 2025
Why is the ice quality poor in my Manitowoc Ice Maker?
- M
  maryfergusonAug 21, 2025
  If the ice quality from your Manitowoc Ice Maker is poor, start by testing the incoming water quality and install appropriate filters. Replace the water filter if water filtration is poor. Clean and sanitize the ice machine. If applicable, repair the water softener if it's not working properly.
S
Sara JonesAug 25, 2025
Why is my Manitowoc Ice Maker producing shallow or incomplete cubes?
- L
  Lindsey WilkinsAug 26, 2025
  If your Manitowoc Ice Maker produces shallow or incomplete cubes, adjust the ice thickness switch. Check the water trough level to ensure it is neither too high nor too low. Replace the water filter if water filtration is poor. Ensure the ice machine is connected to a cold water supply and that the incoming water pressure is between 20-80 psi (137.9 -551.5 kPa). Finally, level the ice machine.
R
Rachel JohnsonAug 28, 2025
What to do if Manitowoc UDF0310A does not release ice?
- J
  Jared LeonAug 28, 2025
  If your Manitowoc Ice Maker is not releasing ice or is slow to harvest, first clean and sanitize the ice machine. Then, ensure the ice machine is level. If you have an air-cooled model, check that the air temperature around the ice machine is at least 40° F (4°C).
J
Jill KingSep 1, 2025
Why is the ice sheet too thick in my Manitowoc UDF0310A?
- H
  henrynicholeSep 1, 2025
  If the ice sheet in your Manitowoc Ice Maker is too thick, adjust the ice thickness float to correct the water trough level. If the power button was turned off and on during the freeze cycle, allow the ice to thaw and release from the evaporator before restarting the machine. Also, if the ice damper was opened and closed during the harvest cycle before the ice released, allow the ice to thaw and release before restarting.
A
Alicia JonesSep 5, 2025
What to do if Manitowoc UDF0310A Ice Maker does not cycle into harvest mode?
- R
  ronaldrogersSep 5, 2025
  If your Manitowoc Ice Maker does not cycle into harvest mode, first wait for the six-minute freeze time lock-in to expire. If that's not the issue, clean and sanitize the ice machine, as the harvest float switch might be dirty. Check if the harvest float switch wire is disconnected and connect it if necessary. Also, ensure the harvest float switch is properly adjusted.
J
John SharpSep 9, 2025
How to fix thick ice sheets in Manitowoc Ice Maker?
- W
  wallacedustinSep 9, 2025
  If the ice sheet in your Manitowoc Ice Maker is too thick, adjust the ice thickness float to correct the water trough level. If the power button was turned off and on during the freeze cycle, allow the ice to thaw and release from the evaporator before restarting the machine. Also, if the ice damper was opened and closed during the harvest cycle before the ice released, allow the ice to thaw and release before restarting. In case of long harvest cycles with repeated safety limit indication, clean the ice machine and perform diagnostic procedures as required.

Manitowoc UDF0310A Specifications

General

Model	UDF0310A
Type	Undercounter Ice Maker
Voltage	115 V
Condenser Type	Air-Cooled
Water Connection	3/8" FPT
Refrigerant	R404A
Frequency	60 Hz
Width	30 inches
Ice Production Capacity	310 lb/day
Ice Storage Capacity	90 lb

Summary

Safety Notices

General Safety and Installation Precautions

Covers reading manual, installation, electrical, and general installation precautions.

Electrical Installation Requirements

Covers wiring, grounding, and power supply for safe installation.

Refrigerant and Installation Hazards

Details safety measures for installation, stability, and refrigerant handling.

Additional Safety Warnings

Refrigeration System Safety

Covers safe installation, use, and repair of refrigeration systems.

Operational and Maintenance Safety

Details precautions for operating and maintaining the equipment.

Section 2 Installation

Ice Machine Location Requirements

Electrical Service Requirements

Details voltage, fuses, circuit breakers, ampacity, and GFCI requirements.

Water Service and Drain Connections

Section 3 Operation

Ice Making Sequence of Operation

Safety Limit Feature Explanation

Section 5 Troubleshooting

Troubleshooting Checklist

Provides a guide to diagnose and resolve common ice machine problems.

Safety Limit Feature Troubleshooting

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