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General| Model | QY0604A |
|---|---|
| Weight | 250 lbs |
| Condenser Type | Air-Cooled |
| Voltage | 115V |
| Type | Ice Maker |
| Power Supply | 115/60/1 |
Warning about operating misused, abused, or altered equipment.
Alerts to potential personal injury situations. Read before proceeding.
Alerts to situations that could damage the ice machine. Read before proceeding.
Provides useful information to perform procedures efficiently. Disregarding may slow work.
Details the models covered by this service manual.
Explains the coding system for ice machine model numbers.
Illustrates and describes the dimensions of different ice cube types.
Identifies the locations of model and serial number decals on the equipment.
Outlines the terms and conditions of the ice machine warranty coverage.
Lists items and conditions not covered by the ice machine warranty.
Specifies requirements for authorized warranty service providers.
Refers to a separate manual for complete installation guidelines.
Provides dimensional data for Q320, Q370, and Q420 ice machines.
Displays dimensions for Q200 through Q1000 series ice machines.
Shows dimensions for Q1300, Q1600, and Q1800 series ice machines.
Continues dimensional data for Q1300/Q1600/Q1800 remote air-cooled models.
Provides dimensions for various S-series ice storage bins.
Details dimensions for the S970 ice storage bin.
Provides dimensions for JC0495, JC0895, JC1095, JC1395, and JC1895 remote condensers.
Outlines criteria for selecting an appropriate location for the ice machine.
Explains requirements for stacking two ice machines on one bin.
Lists BTU/hr heat rejection values for various ice machine models.
Provides instructions and cautions for leveling ice storage bins.
Explains the function and installation of the air-cooled baffle.
Covers general electrical service requirements, voltage, fuse/breaker, and ampacity.
Provides specific wiring instructions for UK plugs and connections.
Details electrical wiring connections for remote ice machines.
Discusses local water conditions and potential treatment needs.
Provides guidelines for installing water inlet lines correctly.
Offers guidelines for installing drain lines to prevent backflow.
Addresses requirements for water-cooled models used with cooling towers.
Details sizing and connection specifications for water and drain lines.
Explains refrigerant charge requirements for remote ice machines.
Provides essential guidelines for routing refrigerant lines for proper performance.
Specifies the maximum allowable length for line sets.
Details the maximum allowed vertical rise and drop for line sets.
Explains how to calculate total line set distance for installation.
Discusses procedures for adjusting line set lengths.
Provides steps for connecting refrigerant line sets.
Instructs on opening the receiver service valve before starting.
Details warranty conditions when using non-Manitowoc condensers.
Discusses the operation and control of the condenser fan motor.
Specifies limits on internal condenser volume to prevent compressor failure.
Explains temperature difference (∆T) requirements for condensers.
Refers to serial plate for system refrigerant charge information.
Discusses the use of quick connect fittings for line sets.
Lists specific checks required for remote ice machine installations.
Identifies key components of the ice machine with a diagram.
Outlines general operational checks to ensure proper performance.
Describes the water level probe and troubleshooting for incorrect levels.
Explains how to check and adjust ice thickness probe settings.
Discusses adjustment of the water purge for special water systems.
Provides instructions for cleaning air-cooled condensers.
Details the importance and process of cleaning air-cooled condensers.
Explains symptoms of restrictions and cleaning for water-cooled condensers.
Advises on periodic cleaning and sanitizing for efficient ice machine operation.
Describes the ice machine's built-in cleaning and sanitizing cycle capabilities.
Explains the function of AlphaSan® in keeping plastic surfaces cleaner.
Step-by-step guide for removing lime scale and mineral deposits.
Instructions for removing algae or slime using sanitizer.
Details the operation and features of the AuCS® accessory.
Provides steps for manually initiating the cleaning or sanitizing cycle.
Guides on removing parts for cleaning and sanitizing procedures.
Details procedures for removing and cleaning the water dump valve.
Provides instructions for removing the water pump assembly.
Details the removal and cleaning of the ice thickness probe.
Explains how to remove and clean the water level probe.
Guides on determining if removal is necessary and how to remove the water inlet valve.
Provides instructions for removing and disassembling the water distribution tube.
Details the removal procedure for the water curtain.
Discusses water treatment systems and filter replacement.
Step-by-step instructions for replacing filter cartridges in Tri-Liminator systems.
Outlines precautions for removing the ice machine from service or winterizing it.
Provides procedures for winterizing self-contained air-cooled models.
Details winterization steps for water-cooled ice machines.
Explains winterization procedures for remote ice machines.
Refers to the AuCS® accessory manual for winterization details.
Details the sequence of operation for various self-contained models.
Explains the steps during initial start-up or after automatic shut-off.
Describes the freeze cycle, including prechill and freeze steps.
Details the water purge and harvest steps in the cycle.
Explains the automatic shut-off condition when the bin is full.
Covers initial start-up and restart procedures for remote models.
Describes the freeze cycle operation for remote models.
Details the harvest cycle, including water purge and harvest steps.
Explains the automatic shut-off mechanism for remote models.
Describes initial start-up and restart procedures related to the water system.
Details the freeze cycle operation from a water system perspective.
Explains the safety feature limiting water inlet valve operation time.
Describes the harvest cycle's water system operations.
Notes the absence of water flow during automatic shut-off.
Provides charts detailing energized parts during different operational sequences.
Lists energized parts for self-contained models during various ice-making sequences.
Lists energized parts for remote models during various ice-making sequences.
Presents wiring diagram sequences for self-contained models.
Details the wiring sequence for initial start-up.
Explains the wiring during the water purge phase.
Describes the refrigeration system start-up wiring sequence.
Details the wiring during the pre-chill phase of the freeze sequence.
Explains the wiring during the freeze phase.
Describes the wiring during the harvest sequence water purge.
Details the wiring during the harvest phase.
Explains the wiring related to the automatic shut-off function.
Presents wiring diagram sequences for remote models.
Details wiring for initial start-up of remote models.
Explains the water purge wiring for remote models.
Describes the refrigeration system start-up wiring for remote models.
Details the wiring during the pre-chill phase for remote models.
Explains the wiring during the freeze phase for remote models.
Describes the wiring during the water purge for remote harvest sequence.
Details the wiring during the harvest phase for remote models.
Explains the wiring for automatic shut-off in remote models.
Explains the symbols and conventions used in the wiring diagrams.
Provides the wiring diagram for specific self-contained models.
Wiring diagram for Q280/Q370 self-contained, 1-phase, no terminal board models.
Wiring diagram for Q320 self-contained, 1-phase, no terminal board models.
Wiring diagram for Q420-Q1000 self-contained, 1-phase, with terminal board.
Wiring diagram for Q420-Q1000 self-contained, 1-phase, no terminal board models.
Wiring diagram for Q800/Q1000 self-contained, 3-phase, with terminal board.
Wiring diagram for Q800/Q1000 self-contained, 3-phase, no terminal board models.
Wiring diagram for Q1300/Q1800 self-contained, 1-phase, with terminal board.
Wiring diagram for Q1300-Q1800 self-contained, 1-phase, no terminal board models.
Wiring diagram for Q1300/Q1800 self-contained, 3-phase, with terminal board.
Wiring diagram for Q1300-Q1800 self-contained, 3-phase, no terminal board models.
Wiring diagram for Q450-Q1000 remote, 1-phase, with terminal board.
Wiring diagram for Q450-Q1000 remote, 1-phase, no terminal board models.
Wiring diagram for Q800/Q1000 remote, 3-phase, with terminal board.
Wiring diagram for Q800/Q1000 remote, 3-phase, no terminal board models.
Wiring diagram for Q1300/Q1800 remote, 1-phase, with terminal board.
Wiring diagram for Q1300-Q1800 remote, 1-phase, no terminal board models.
Wiring diagram for Q1300/Q1800 remote, 3-phase, with terminal board.
Wiring diagram for Q1300-Q1800 remote, 3-phase, no terminal board models.
Covers specifications and diagnostic procedures for key components.
Details the function, specifications, and check procedure for the main fuse.
Explains the function, specifications, and checking of the bin switch.
Provides steps to check the bin switch operation and ohm readings.
Notes regarding water curtain removal and its impact on cycle operation.
Covers diagnostics for compressor electrical issues like resistance and seized rotors.
Provides guidance on diagnosing potential capacitor failures.
Explains the function and diagnostics for PTCR components.
Details the role of PTCRs in the compressor start sequence.
Explains the automatic shut-off and restart logic for Q-Models.
Addresses common issues why a PTCR might fail to start the compressor.
Further details on PTCR diagnostics and checking.
Provides steps and resistance values for checking the PTCR.
Covers the function, specifications, and checking of the toggle switch.
Lists the relays on the control board and their functions.
Diagram showing the layout and connections of the electronic control board.
Describes the dual voltage transformer and control board functionality.
Explains built-in safety limits protecting major components.
Discusses how control board inputs affect the ice machine sequence.
Explains the mechanism by which the ice thickness probe initiates harvest.
Describes the function of the harvest/safety limit light.
Details the freeze time lock-in feature preventing short cycling.
Explains the built-in safety for maximum freeze time.
Provides instructions for checking and adjusting ice thickness.
Outlines troubleshooting steps for the ice thickness control circuit.
Provides a diagnostic procedure for a specific ice thickness control issue.
Troubleshooting steps for premature harvest initiation.
Explains the water level probe light and control circuitry.
Details the safety shut-off feature for the water inlet valve.
Describes the water level control during the freeze cycle.
Explains water level control during the harvest cycle water purge.
Procedure for diagnosing water trough overfilling during the freeze cycle.
Identifies the problem of water trough overfilling during the freeze cycle.
Continues the diagnostic procedure for water trough overfilling.
Addresses the issue of water not running into the sump trough during freeze.
Provides a troubleshooting guide for ice machines that fail to run.
Outlines the operational sequence for self-contained air/water-cooled models.
Details the sequence of operation for self-contained air and water-cooled models.
Describes the refrigeration process during the prechill phase.
Explains the refrigeration process during the freeze cycle.
Details the refrigeration process during the harvest cycle.
Describes the refrigeration sequence for remote models.
Explains the prechill process for remote models.
Details the freeze cycle process for remote models.
Outlines the harvest cycle refrigeration process for remote models.
Explains the automatic shut-off function in remote models' refrigeration cycle.
Shows refrigeration tubing schematics for Q1300/Q1600/Q1800 self-contained models.
Illustrates refrigeration tubing for Q1300/Q1600/Q1800 remote models.
Guides on analyzing refrigeration system malfunctions and common misdiagnoses.
Emphasizes understanding component malfunctions and external factors in diagnostics.
Provides questions to ask the user before starting service diagnostics.
Lists key questions to gather information for diagnostics.
Explains how to check ice production based on operating conditions and formulas.
Checklist for ensuring proper installation and visual inspection.
Checklist for identifying and resolving water system problems.
Analyzes evaporator ice formation patterns for diagnostics.
Describes the appearance of normal ice formation on the evaporator.
Details symptoms of thin ice formation at the evaporator outlet.
Describes symptoms of thin ice formation at the evaporator inlet.
Identifies causes of uneven or spotty ice formation on the evaporator.
Discusses scenarios where no ice forms on the evaporator.
Explains the safety limit controls protecting the ice machine.
Introduces safety limits and control board types.
Describes Safety Limit #1 related to freeze time.
Details Safety Limit #2 related to harvest time.
Explains how safety limit conditions are indicated.
Explains external factors that can trigger safety limits and cause component failure.
Details causes and checks for Safety Limit #1 violations.
Lists possible causes and checks for Safety Limit #2 violations.
Procedure for analyzing discharge pressure during different cycles.
Checklist for diagnosing high discharge pressure during freeze cycle.
Checklist for diagnosing low discharge pressure during freeze cycle.
Procedure for analyzing suction pressure during the freeze cycle.
Checklist for diagnosing high suction pressure during freeze cycle.
Checklist for diagnosing low suction pressure during freeze cycle.
Procedure to compare evaporator inlet/outlet temperatures for diagnostics.
Procedure to check harvest valve temperature against compressor discharge line.
Explains the importance of harvest valve orifice size and proper application.
Guides on diagnosing harvest valve issues using temperature comparison.
Discusses analyzing discharge line temperature for diagnostic purposes.
Explains how discharge line temperature indicates system health.
Provides instructions on using operational analysis tables for diagnostics.
Explains the purpose of operational analysis tables in diagnosing issues.
Step-by-step guide on how to use the analysis tables.
Guides on interpreting analysis table results to identify the problem.
Identifies harvest valve leaking as a potential problem.
Identifies low charge or TXV starving as a potential problem.
Identifies TXV flooding as a potential problem.
Identifies compressor issues as a potential problem.
Presents operational analysis tables for diagnosing single expansion valve systems.
Explains the harvest pressure regulating system for remote models.
Specifies that the H.P.R. system applies only to remote models.
Provides a general overview of the H.P.R. system components.
States that the H.P.R. system is not used during the freeze cycle.
Describes the H.P.R. system operation during the harvest cycle.
Provides a diagnostic procedure for the H.P.R. system.
Covers specifications and diagnostics for pressure controls.
Details the function and checking of the fan cycle control.
Explains the function, specifications, and checking of the HPCO control.
Presents charts for cycle times, ice production, and pressures for Q200 series.
Outlines procedures for refrigerant recovery, evacuation, and recharging.
Details standard procedures for self-contained models.
Instructions on safely recovering and evacuating refrigerant.
Step-by-step guide for self-contained unit recovery/evacuation.
Provides instructions for charging self-contained ice machines with refrigerant.
Details standard procedures for remote model refrigerant handling.
Lists the necessary connections for remote system recovery/evacuation.
Step-by-step guide for remote unit recovery/evacuation.
Provides instructions for charging remote ice machines with refrigerant.
Outlines requirements for restoring contaminated refrigeration systems.
Describes basic requirements for system cleanup.
Explains how to determine the level of system contamination.
Steps for cleaning systems with mild contamination.
Steps for cleaning systems with severe contamination.
Procedure to replace pressure controls without discharging refrigerant.
Discusses the types and importance of filter-driers used in Manitowoc ice machines.
Provides a table of refrigerant charge amounts for various models.
Defines terms related to refrigerant handling: Recover, Recycle, Reclaim, New Product Specifications.
Outlines Manitowoc's policy on refrigerant re-use, recovery, and disposal.
Addresses common questions regarding HFC refrigerants and their service.
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