Manitowoc CVDF1800 User Manual

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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 CVDF1800

Technician's Handbook212 pages

Questions and Answers:

A
Amber FrederickAug 12, 2025
Why is my Manitowoc CVDF1800 not working?
- D
  Danny SellersAug 12, 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.
S
Scott ReynoldsAug 16, 2025
Why is my Manitowoc Ice Maker not making ice?
- W
  William AguilarAug 16, 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.
A
Anna HarrisAug 19, 2025
How to fix a Manitowoc CVDF1800 that is not releasing ice?
- J
  joseph49Aug 20, 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.
W
webstermarkAug 23, 2025
What to do if my Manitowoc CVDF1800 produces poor quality ice?
- L
  Lauren Thomas PhDAug 23, 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.
R
Robert PierceAug 27, 2025
Why is my Manitowoc CVDF1800 producing shallow or incomplete cubes?
- V
  vfrazierAug 27, 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.
K
Keith ClineAug 30, 2025
How to fix low ice capacity in my Manitowoc CVDF1800?
- C
  Christopher SilvaAug 30, 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.
C
Carolyn MooreSep 3, 2025
What to do if my Manitowoc CVDF1800 Ice Maker does not release ice?
- P
  Phillip JohnsonSep 3, 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.
C
campbellivanSep 7, 2025
Why won't my Manitowoc Ice Maker cycle into harvest mode?
- K
  Kristy DavisSep 7, 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 CVDF1800 Specifications

General

Brand	Manitowoc
Model	CVDF1800
Category	Ice Maker
Language	English

Summary

Safety Notices

General Information

Model Numbers

How To Read A Model Number

Guide to deciphering the components of an ice machine model number.

Installation

Installation Requirements

Clearance Requirements

Specifies the minimum clearances needed around the ice machine for proper operation.

Bin Installation

Electrical Requirements

Details on wiring, grounding, voltage, and circuit protection for safe installation.

Maximum Breaker Size & Minimum Circuit Amperage Chart

Table providing electrical specifications for breaker and amperage requirements.

Water Supply and Drain Line Sizing/Connections

Specifications for water and drain line sizes, pressures, and connections.

Drain Connections

Starting the Ice Machine

Steps and prerequisites for powering on and initiating operation of the ice machine.

Remote Condenser and Condensing Unit Refrigeration System Installation

Refrigerant Charge and Line Sets

Details on refrigerant charge, line set types, and insulation for remote systems.

Calculating Installation Distances

Formulas and guidelines for determining maximum allowable line set lengths and configurations.

Operation

Touch Screen Features and Navigation

Overview of the control panel's touch screen interface and button functions.

Setup Wizard

Guided process for initial ice machine programming and settings configuration.

Menu Screen Navigation

Ice Making Sequence of Operation

Service Faults

Ice Thickness Check

Maintenance

Descaling and Sanitizing Procedures

Comprehensive instructions for descaling and sanitizing the ice machine for optimal performance.

Parts Removal for Descaling and Sanitizing

Cleaning the Air Filter and Condenser

Troubleshooting

Before Calling for Service Checklist

A guide to common problems and their potential causes and solutions before contacting service.

Ice Machine Not Operating or Stopping

Ice Machine Cycle or Ice Quality Issues

Service Faults

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