Do you have a question about the Manitowoc QY1394N and is the answer not in the manual?
Alerts to potential personal injury from improper equipment use.
Alerts to potential personal injury situations.
Alerts to situations that could damage the ice machine.
Provides helpful procedural information for efficiency.
Provides useful extra information about procedures.
Covers the specific ice machine models discussed in the manual.
Explains how to decode the ice machine model numbers.
Details the dimensions of the available ice cube types.
Shows where to find the model and serial number decals.
Outlines warranty terms, parts, labor, and exclusions.
Refers to complete installation guidelines for the unit.
Provides physical dimensions for various ice machine models.
Details the physical dimensions for ice storage bins.
Lists the physical dimensions for remote condensers.
Criteria for selecting an appropriate installation location.
Instructions for safely stacking two ice machines.
Provides BTU/hr values for heat rejection for sizing.
Steps to ensure the ice storage bin is properly leveled.
Instructions for installing the air baffle.
General information on electrical requirements and connections.
Wiring diagrams for self-contained ice machine models.
Wiring diagrams for remote ice machine models.
Guidelines for proper water supply and drain connections.
Details for water-cooled models using cooling towers.
Specifies line sizes and connections for water/drain.
Guidelines for installing remote condensers and line sets.
Information on refrigerant charge for remote models.
General notes on condenser mounting.
Best practices for routing refrigerant lines for performance.
Method to calculate line set distances for proper installation.
Procedures for adjusting line set lengths.
Steps for connecting refrigerant line sets.
Instructions for opening the receiver service valve.
Guidelines for using third-party condensers with Manitowoc machines.
A checklist to ensure proper installation procedures were followed.
Specific checks required for remote ice machine installations.
Identifies key components of the ice machine.
Procedures for checking machine operation and performance.
How to check and adjust the ice thickness probe.
Adjustment for water purge timing in the harvest cycle.
Instructions for cleaning the ice machine condenser.
Specific steps for cleaning air-cooled condensers.
Cleaning procedures for water-cooled condensers.
General procedures for cleaning and sanitizing the interior.
Details on the automatic cleaning system technology.
Information on the AlphaSan additive for plastic surfaces.
Step-by-step guide for cleaning the ice machine.
Step-by-step guide for sanitizing the ice machine.
Details and operation of the AuCS accessory.
Instructions for removing parts for cleaning or sanitizing.
Procedures for removing and cleaning the water dump valve.
Procedures for removing and cleaning the water pump.
Procedures for removing and cleaning the ice thickness probe.
Procedures for removing and cleaning the water level probe.
Procedures for cleaning the water inlet valve.
Procedures for removing and cleaning the water distribution tube.
Procedures for removing and cleaning the water curtain.
Information on water treatment systems and filter replacement.
Procedures for winterizing the ice machine.
Operation sequences for self-contained models.
Details of the ice machine harvest cycle.
Conditions and procedures for automatic ice machine shutdown.
Operation sequences for remote ice machine models.
Details of the remote ice machine harvest cycle.
Conditions for remote ice machine automatic shutdown.
Initial operation sequence after startup or shutdown.
Details of the water system freeze cycle operation.
Details of the water system harvest cycle operation.
Conditions for automatic shutdown of the water system.
Charts showing energized components during operation cycles.
Explains operational sequences using wiring diagrams.
Wiring diagrams specific to self-contained models.
Details the start-up sequence of the refrigeration system.
Details the pre-chill phase of the freeze sequence.
Details the freeze phase of the ice making cycle.
Details the water purge within the harvest sequence.
Details the harvest phase of the ice making cycle.
Details the automatic shut-off sequence.
Initial sequence for remote models, including water purge.
Start-up sequence for remote refrigeration systems.
Pre-chill phase for remote models' freeze sequence.
Freeze phase for remote models' ice making cycle.
Water purge phase for remote models' harvest sequence.
Harvest phase for remote models' ice making cycle.
Automatic shut-off for remote models.
General introduction to the electrical wiring diagrams.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Wiring diagram for specific remote models.
Specifications and diagnostic procedures for components.
Function, specifications, and check procedure for the main fuse.
Function, specifications, and check procedure for the bin switch.
Procedures for checking the bin switch operation.
Important notes regarding water curtain removal.
Troubleshooting compressor electrical issues.
Information and troubleshooting for PTCR components.
How shut-off and restart functions relate to PTCRs.
Common issues and causes of PTCR failure.
Procedure for checking PTCR resistance and condition.
Function, specs, and check procedure for the toggle switch.
Information regarding control board relays and their functions.
Diagram and description of the electronic control board.
General information about control board operation.
Information on built-in safety limits protecting components.
How inputs affect the control board's operation.
Explanation of how the ice thickness probe functions.
Function and indication of the harvest/safety limit light.
Explanation of the freeze time lock-in feature.
Information on the maximum freeze time safety limit.
How to check and adjust the ice thickness.
Procedure for cleaning the ice thickness probe.
Steps for diagnosing the ice thickness control circuit.
Troubleshooting premature harvest cycles.
Information on the water level control system.
Troubleshooting water level control in the freeze cycle.
Troubleshooting steps for an overfilling water trough.
Troubleshooting steps for no water entering the sump trough.
Troubleshooting steps for an ice machine that fails to run.
Wiring diagram for specific self-contained models.
Wiring diagram for specific self-contained models.
General overview of the refrigeration system's operational sequences.
Refrigeration sequences for self-contained models.
Refrigeration sequences for remote ice machine models.
Tubing schematics for Q1300/Q1600/Q1800 models.
General guide to analyzing refrigeration system issues.
Questions to ask before starting refrigeration diagnostics.
Procedure to check and measure ice production.
Checklist for installation and visual inspection issues.
Checklist for identifying and resolving water system issues.
Analysis of evaporator ice formation for diagnostics.
Ice formation pattern analysis for thin ice at evaporator inlet.
Ice formation pattern analysis for spotty ice coverage.
Ice formation pattern analysis for absence of ice.
Explanation of built-in safety limit controls.
Explains how safety limits function to protect components.
Details and troubleshooting for Safety Limit #1.
Details and troubleshooting for Safety Limit #2.
Procedure for analyzing discharge pressure.
Procedure for analyzing suction pressure.
Checklist for diagnosing high suction pressure.
Checklist for diagnosing low suction pressure.
Procedure for comparing evaporator inlet/outlet temperatures.
Procedure for checking harvest valve temperature.
Analysis of discharge line temperature.
Instructions on using the operational analysis tables.
Operational analysis table for diagnosing refrigeration problems.
Analysis table for dual expansion valve models.
Explanation of the Harvest Pressure Regulating system.
How the HPR system functions during the freeze cycle.
How the HPR system functions during the harvest cycle.
Steps for diagnosing the HPR system.
Explanation and operation of the headmaster control valve.
Procedure to verify if the ice machine is low on refrigerant charge.
Comparison of fan cycle control and headmaster functions.
Specifications and diagnostic procedures for pressure controls.
Function, specifications, and check procedure for fan cycle control.
Function, specifications, and check procedure for HPCO control.
Operational data charts for Q200 Series models.
Operational data charts for Q280 Series models.
Operational data charts for Q320 Series models.
Operational data charts for Q370 Series models.
Operational data charts for Q420/450 Series models.
Operational data charts for Q450 Remote models.
Operational data charts for Q600 Self-Contained Air-Cooled models.
Operational data charts for Q600 Self-Contained Water-Cooled models.
Operational data charts for Q600 Remote models.
Operational data charts for Q800 Self-Contained Air-Cooled models.
Operational data charts for Q800 Self-Contained Water-Cooled models.
Operational data charts for Q1000 Self-Contained Water-Cooled models.
Operational data charts for Q1000 Remote models.
Operational data charts for Q1300 Self-Contained Air-Cooled models.
Operational data charts for Q1300 Self-Contained Water-Cooled models.
Operational data charts for Q1600 Remote models.
Operational data charts for Q1800 Self-Contained Air-Cooled models.
Operational data charts for Q1800 Self-Contained Water-Cooled models.
Operational data charts for Q1800 Remote models.
Operational data charts for Q1300 Remote models.
Operational data charts for Q1600 Self-Contained Water-Cooled models.
Procedures for refrigerant recovery, evacuation, and recharging.
Procedures for refrigerant handling on self-contained models.
Procedures for charging self-contained ice machines.
Procedures for refrigerant handling on remote models.
Procedures for recovering refrigerant from remote systems.
Procedures for charging remote ice machines.
Basic requirements for restoring contaminated systems.
How to determine the severity of system contamination.
Steps for cleaning systems with mild contamination.
Steps for cleaning systems with severe contamination.
Procedure for replacing controls without removing refrigerant.
Information on filter-driers and recommended replacement parts.
Table of refrigerant charges for various ice machine models.
Definitions of refrigerant recover, recycle, and reclaim.
Manitowoc's policy on refrigerant re-use.
Frequently asked questions about HFC refrigerants.