Manitowoc Koolaire KY0350A User Manual

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Part Number 000012545 Rev 02 11/16

Ice Machines

K Series

Installation, Operation and Maintenance Manual

Table of Contents

Questions and Answers:

L
Linda TorresAug 5, 2025
Why is my Manitowoc Koolaire KY0350A not releasing ice?
- C
  Carly CaldwellAug 5, 2025
  If your Manitowoc Ice Maker isn't releasing ice properly or seems slow during harvest, several factors could be at play. First, the unit might be dirty, requiring a thorough cleaning and sanitization. Ensure the ice maker is level. For air-cooled models, verify the surrounding air temperature is at least 40°F (4°C). Finally, if you have a water-cooled model, a leaky water regulating valve in harvest mode could be the culprit, necessitating a replacement.
J
Jessica AllenAug 9, 2025
How to troubleshoot a Manitowoc Koolaire KY0350A Ice Maker that does not operate?
- R
  Robert JacksonAug 9, 2025
  If your Manitowoc Ice Maker isn't operating, several issues could be the cause. First, check if there's electrical power reaching the machine by replacing the fuse, resetting the breaker, turning on the main switch, or ensuring the power cord is properly plugged into the receptacle. Make sure the ice machine is turned on by placing the toggle switch in the ICE position to start ice making. Finally, ensure the curtain is in the closed position and can swing freely.
L
Leslie NguyenAug 13, 2025
Why is the ice quality poor in my Manitowoc Koolaire KY0350A?
- B
  bellmichelleAug 13, 2025
  If your Manitowoc Ice Maker is producing ice that is soft or not clear, it could be due to several reasons related to water quality. The incoming water quality might be poor, so you should contact a qualified service company to test it and recommend appropriate filters. The water filtration might be insufficient, so try replacing the filter. Also, the ice machine might be dirty, so cleaning and sanitizing it could help. If applicable, your water softener might be malfunctioning, so consider repairing it.
E
Eric Williams IIIAug 18, 2025
What to do if Manitowoc Koolaire KY0350A Ice Maker produces incomplete cubes?
- D
  Deborah PattersonAug 18, 2025
  If your Manitowoc Ice Maker is producing shallow or incomplete cubes, or the ice fill pattern on the evaporator is incomplete, several factors could be responsible. The ice thickness float switch might be out of adjustment, requiring you to adjust it. The water trough level could be too high or too low, so check the water level and adjust as needed. Poor water filtration could be the issue, so replace the filter. The incoming water might be too hot, so connect the ice machine to a cold water supply. The incoming water pressure might be incorrect, so ensure it is within the range of 20-80 psi (137.9 - 551.5 kPa). Finally, the ice machine might not be level, so level it.
M
Marc HallAug 22, 2025
What to do if my Manitowoc Koolaire KY0350A Ice Maker stops and restarts?
- J
  Jamie BurtonAug 22, 2025
  If your Manitowoc Ice Maker stops and can only be restarted by turning it OFF and then ON, it indicates that the safety limit feature is stopping the ice machine. Please refer to 'Safety Limit Feature' on the next page.
S
Stephen MillerAug 27, 2025
Why won't my Manitowoc Koolaire KY0350A Ice Maker cycle into harvest mode?
- J
  james49Aug 27, 2025
  If your Manitowoc Ice Maker isn't cycling into harvest mode, it could be due to several reasons. The six-minute freeze time lock-in might not have expired yet, so wait for it to expire. The ice thickness float switch might be dirty, so clean and sanitize the ice machine. The ice thickness float switch wire might be disconnected, so connect the wire. The ice thickness float switch might be out of adjustment, so adjust it. Finally, if there is uneven ice fill (thin at top of evaporator), see 'Shallow or Incomplete Cubes' on the next page.
A
Amy GonzalezAug 30, 2025
Why is the ice sheet thick in my Manitowoc Koolaire KY0350A?
- P
  Paul AdkinsAug 30, 2025
  If the ice sheet is too thick in your Manitowoc Ice Maker, it could be due to a couple of reasons. The water trough level might be too high, so adjust the ice thickness float. Alternatively, the power button might have been turned off/on during the freeze cycle, leaving ice on the evaporator, or the ice damper was opened then closed in the harvest cycle before the ice released, so allow the ice to thaw and release from the evaporator, then restart the machine.

Manitowoc Koolaire KY0350A Specifications

General

Brand	Manitowoc
Model	Koolaire KY0350A
Category	Ice Maker
Language	English

Summary

Safety Notices

General Safety Precautions

Read and follow all safety precautions to prevent personal injury and equipment damage.

Electrical Installation Safety

Ensures safe electrical connections and grounding during ice machine installation.

Installation Safety Precautions

Guidelines to prevent injury and ensure stability during equipment installation.

Operating and Maintenance Safety

Precautions for safe operation and maintenance of the ice machine.

Hazard Warnings and Precautions

Highlights critical warnings related to hazards like refrigerant and misuse.

Installation

Location and Clearance Requirements

Specifies ideal placement criteria and necessary clearances for proper operation.

Bin Leveling and Air Baffle Installation

Guides on leveling the bin and installing the air baffle for air-cooled models.

Electrical Service Requirements

Details electrical connections, ampacity, grounding, and power cord specifications.

Water Supply and Drain Connection Guidelines

Outlines requirements for water supply, inlet lines, and drain connections.

Remote Condenser and Line Set Installation Overview

Remote Condenser Mounting and Wiring Guidelines

Remote Condenser Distance Calculation Guide

Line Set Installation and Testing Procedures

Details the steps for routing, connecting, pressure testing, and evacuating line sets.

Installation Checklists and Pre-Operation Checks

Troubleshooting

Ice Machine Troubleshooting Checklist

A guide to diagnose and resolve common ice machine operational problems.

Troubleshooting Safety Limit Features

Diagnosing Low Ice Capacity

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