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General| Model | QY1474C |
|---|---|
| Ice Type | Dice/Half Dice |
| Voltage | 208-230V |
| Ice Production | 1470 lbs/day |
| Weight | 385 lb |
| Daily Ice Production | 1470 lb |
| Condenser Type | Air Cooled |
| Hertz | 60 Hz |
Defines Warning and Caution notices for potential injury or equipment damage.
Defines Important notices providing helpful procedural information.
Details electrical specifications for QuietQube Ice Machines and CVD® Condensing Units.
Covers installation of refrigeration systems, including line sets and refrigerant amounts.
Guides for performing operational checks like water level and ice thickness.
Procedures for cleaning and sanitizing the ice machine, including AlphaSan® and AuCS®.
Instructions for removing the ice machine from service or preparing it for winter.
Identification of key components within the ice machine head section for various models.
Identification of components for CVD® Condensing Units (0675 through 2075).
Detailed explanation of the ice making cycle for different model series.
Details on the control board, lights, features, and safety limits.
Procedures for checking the main fuse and the bin switch operation.
Explanation and testing procedure for the ICE/OFF/CLEAN toggle switch.
Diagnosing issues related to the ice thickness probe and its control circuitry.
Understanding and diagnosing the water level control system.
Troubleshooting compressor electrical issues, including resistance and start components.
Wiring diagrams for ice machine head sections and condensing units.
General procedures for diagnosing refrigeration system issues.
Troubleshooting steps when the ice machine fails to release ice.
Procedure for checking ice production rates based on operating conditions.
Troubleshooting common water-related problems affecting ice machine operation.
Analyzing ice formation patterns to diagnose malfunctions.
Charts to help diagnose refrigeration component failures.
Details on headmaster, water regulating, fan cycle, HPCO, and LPCO controls.
Table listing corresponding Ice Machine Head Section and CVD® Condensing Unit models.
Information on where to find the model and serial number decals on the ice machine.
Instructions on completing and mailing the warranty registration card to validate installation date.
Overview of warranty coverage, including parts, labor, and exclusions.
Details on the duration of warranty coverage for parts and labor.
Items and conditions not included in the ice machine's warranty coverage.
Information on who must perform warranty repairs to comply with warranty provisions.
Clarification that normal maintenance is not covered, and how to request service.
Criteria for selecting a suitable location for the ice machine head section.
Specifies required clearance for Q0600C/Q0800C/Q1000C and SU1000/SerVend UC-300 models.
Details on stacking two ice machines on a single storage bin, including kit requirements.
Requirements for using an ice deflector with QDUAL ice machines on dispensers or bins.
Criteria for selecting a suitable location for the CVD® Condensing Unit.
Specifies required clearance for the condensing unit's top, sides, front, and back.
Guidelines for connecting potable water inlet lines and pressure requirements.
Guidelines for installing drain lines to prevent backflow and ensure proper drainage.
Guidelines for connecting water supply and drains for water-cooled condensers.
Procedures for connecting the condensing unit drain to remove condensate.
Details on voltage, phase, cycle, fuse/breaker, and amps for ice machines.
Instructions for verifying compressor rotation and identifying incorrect rotation issues.
Table detailing voltage, phase, cycle, fuse/breaker, and minimum amps for CVD condensing units.
General guidelines for installing refrigeration systems, including line sets.
Table matching QuietQube models with CVD condensing units and Line Sets.
Details on suction line, liquid line, and insulation thickness for various line sets.
Information on factory refrigerant charge for various ice machine and condensing unit models.
Steps for installing refrigeration line sets, including distance and routing guidelines.
Diagrams and specifications for maximum allowable rise and drop for refrigeration line sets.
Guidelines for installing oil traps in suction lines based on rise height.
Purpose and requirements for a service loop and details on S-Trap Kits.
Procedure for connecting refrigeration lines to the ice machine head section, including brazing precautions.
Steps for connecting refrigeration lines to the CVD® Condensing Unit, minimizing atmospheric exposure.
Using Schrader valve core tools for faster evacuation and pressure testing the line sets.
Procedure for evacuating the line set and condensing unit from the CVD® Condensing Unit Schrader valves.
Instructions for opening the suction, liquid, and receiver service valves before starting the ice machine.
Specifications for torque values for stem, caps, and Schrader cores on refrigeration valves.
Requirements for insulating suction and liquid lines to prevent condensation.
Step-by-step guide for insulating the suction shut-off valve.
Instructions for verifying compressor rotation and identifying incorrect rotation issues.
Table showing heat of rejection for various CVD condensing units in BTU/Hour.
Routine checks to ensure proper operation when starting the ice machine.
Understanding the non-adjustable water level sensor and probe checks.
Procedure for checking and adjusting the water level using the float valve.
Procedure for inspecting and adjusting the ice thickness probe for proper ice bridge formation.
Adjustment for harvest sequence water purge, used with special water systems.
Use only Manitowoc approved cleaner and sanitizer; do not mix solutions.
Wear rubber gloves and safety goggles when handling cleaner or sanitizer.
Initiating and completing cleaning/sanitizing cycles at the flip of a switch.
How the AuCS® accessory monitors cycles and initiates automatic cleaning.
Explanation of AlphaSan®'s role in reducing biofilm formation on plastic surfaces.
Step-by-step instructions for using ice machine cleaner to remove lime scale and mineral deposits.
Step-by-step instructions for using sanitizer to remove algae and slime.
Steps to manually initiate an AuCS® cleaning or sanitizing cycle.
Instructions for safely removing components for cleaning or sanitizing.
Procedure to determine if water dump valve removal is necessary and how to remove it.
Step-by-step instructions for removing the water pump assembly.
Procedure for removing the ice thickness probe from its bracket and control board.
Instructions for removing the water level probe from the water trough.
Procedure for removing the splash shield from the front of the ice machine.
Steps for gently flexing and removing the water curtain.
Procedure for removing the float valve, including disconnects and filter screen.
Instructions to determine if water inlet valve removal is necessary and how to proceed.
Procedure for disconnecting and disassembling the water distribution tube.
Procedure for removing the water trough from the ice machine.
Special precautions for ice machines removed from service or exposed to freezing temperatures.
Steps for winterizing the CVD1476 water-cooled condensing unit.
Refer to AuCS® Accessory manual for winterization procedures.
Diagram identifying key components of the ice machine head section.
Diagram showing components like distribution tube, evaporator, water trough, and pump.
Diagram showing components of the SU1000C dispenser ice machine.
Diagrams identifying components of the Q1400C ice machine head section.
Diagram showing components of the QDUAL ice machine head section.
Diagram identifying components of CVD0675, CVD0875, CVD1075, CVD1475 condensing units.
Diagram identifying components of the CVD1476 water-cooled condensing unit.
Diagram identifying components of CVD1875 and CVD2075 condensing units.
Details the initial start-up, water purge, and refrigeration system start-up.
Explains the prechill and freeze steps in the ice making cycle.
Explains the water purge and harvest steps in the ice making cycle.
Describes how the ice machine shuts off automatically when the bin is full.
Details the sequence of operation for the Q1400C model.
Details the sequence of operation for the QDUAL model.
Describes the typical duration and events during a water assist harvest sequence.
Details on the control board, lights, features, and safety limits.
Describes built-in safety limit controls protecting the machine from failures.
Function, specifications, and check procedure for the main control board fuse.
How the bin switch operates and procedures for checking its functionality.
Explanation and testing procedure for the ICE/OFF/CLEAN toggle switch.
How the probe works and procedure for checking/adjusting ice thickness.
Procedure for cleaning the ice thickness probe before diagnosing control circuitry.
Troubleshooting steps for common ice thickness control problems.
Troubleshooting when the machine cycles into harvest before water contact.
Understanding and monitoring the water level control system.
Setting for proper water level and inlet valve safety shut-off.
How water inlet valve operates in conjunction with water level probe.
Water inlet valve operation during harvest cycle is time-based.
Procedure for diagnosing water trough overfilling during freeze cycle.
Steps to diagnose why water is not running into the sump trough during freeze cycle.
Troubleshooting steps when water pump is energized but no ice is produced.
Troubleshooting steps when the ice machine water pump is not energized.
Troubleshooting compressor electrical issues, including resistance and start components.
Troubleshooting compressor start components like capacitors and relays.
Wiring diagrams for various ice machine head section models.
Wiring diagrams for single-phase and three-phase CVD condensing units.
Verifying systems and understanding evaporator impact on harvest cycle.
Describes refrigerant flow and component operation during the freeze cycle.
Describes refrigerant flow and component operation during the harvest cycle.
Explains how the suction accumulator functions during harvest and freeze cycles.
Importance of correct refrigerant charge for proper operation and avoiding safety limit failures.
Steps to diagnose issues when the ice machine fails to release ice.
Procedure for checking ice production rates based on operating conditions.
Checklist for common installation problems like leveling, condenser cleanliness, and drain venting.
Troubleshooting common water-related problems and their corrective actions.
Analyzing ice formation patterns to diagnose malfunctions.
Describes built-in safety limit controls and how to interpret indications.
List of potential causes for Safety Limit #1 failures categorized by system.
List of potential causes for Safety Limit #2 failures categorized by system.
Procedure to check and compare actual discharge pressure to published values.
List of problems and causes for high discharge pressure.
List of problems and causes for low discharge pressure during freeze cycle.
Procedure to analyze and identify proper suction pressure drop throughout the freeze cycle.
List of problems and causes for high suction pressure.
List of problems and causes for low suction pressure.
Explains normal operation and analyzes potential failures of the cool vapor valve.
Procedure to document and analyze suction line temperatures during the freeze cycle.
Charts to diagnose refrigeration issues based on operational analysis.
Charts to diagnose single expansion valve issues based on ice production and formation.
Charts to diagnose dual expansion valve issues based on ice production and formation.
Details on the Headmaster Control Valve's function and diagnostic procedures.
Troubleshooting steps for air-cooled condensing units during freeze and harvest cycles.
Lists failure modes for headmaster valves in the freeze cycle.
Diagnosing headmaster valve issues during the harvest cycle.
Failure list for headmaster control valve on CVD1476.
Importance of correct charge and symptoms of incorrect charge.
Function, specifications, and check procedure for the fan cycle control.
Function, specifications, and check procedure for the HPCO control.
Function, specifications, and check procedure for the LPCO control.
Procedures for safely recovering and evacuating refrigerant from the system.
Step-by-step guide for charging the refrigeration system with refrigerant.
Basic requirements for restoring contaminated refrigeration systems.
Steps for cleaning systems with mild contamination, including evacuation and charging.
Steps for cleaning systems with severe contamination, including component replacement.
Procedure to replace components while keeping refrigerant charge, reducing repair time.
Details on Manitowoc liquid line filter-driers, their function, and replacement parts.
Details on suction line filters, when replacement is needed, and part numbers.
Table showing correct refrigerant charge and line set length for various models.
Information on the type of POE oil used and compressor oil change procedures.
Definitions for refrigerant handling terms: Recover, Recycle, and Reclaim.
Manitowoc's policy on the use of new, reclaimed, recovered, or alternative refrigerants.
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