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General| Model | QY0874C |
|---|---|
| Ice Type | Dice or Half Dice |
| Weight | 220 lbs |
| Daily Ice Production | 874 lbs |
| Condenser Type | Air-Cooled |
| Voltage | 208-230V |
| Hertz | 60 |
| Ice Production | 874 lbs |
| Ice Production Capacity | 874 lbs |
| Power Supply | 208-230V/60Hz/1Ph |
| Width | 30" |
| Height | 38.5" |
| Refrigerant | R-404A |
| Phase | 1 |
Explains warning and caution boxes for safety and equipment protection.
Explains important notices for efficient procedure execution.
Lists covered models and their corresponding condensing units.
Outlines warranty coverage, exclusions, and authorized service.
Specifies site selection and clearance for head and condensing units.
Details potable water and condenser water connections.
Details electrical specs and compressor rotation importance.
Covers line set installation and factory refrigerant amounts.
Identifies major ice machine and condensing unit components.
Describes the operational sequence for different models.
Details control board, fuses, switches, and probe diagnostics.
Guides for diagnosing head section or condensing unit non-operation.
General diagnostics for the refrigeration system operation.
Diagnoses for ice production issues and pressure analysis.
Provides charts for cycle times and 24-hour ice production.
Procedures for recovering and evacuating refrigerant.
Lists ice machine head sections and corresponding condensing units.
Highlights differences in ice machine operation sequences.
Specifies where to find model and serial numbers for service.
Warning about ice deflectors with non-Manitowoc storage systems.
Emphasizes timely submission of the warranty card.
Details warranty for parts, labor, and commercial use.
Lists items not covered under the warranty.
Specifies requirements for warranty repair service providers.
Clarifies that routine maintenance is not part of the warranty.
Specifies conditions for selecting the ice machine location.
Details clearance needs for specific ice machine models.
Instructions and requirements for stacking and ice deflectors.
Specifies conditions and clearance for condensing unit placement.
Information on water treatment and inlet line installation.
Details proper installation of drain lines.
Guidelines for water supply and line installation.
Warning about water pressure limits for the regulating valve.
Specifies requirements for condensing unit drain lines.
Details voltage, fuse, and amperage for head sections.
Importance of verifying rotation for CVD2075 3 Phase.
Provides electrical specs for various CVD models.
Caution regarding compressor rotation verification for CVD2075.
Matches ice machine head sections with condensing units and line sets.
Details suction/liquid line sizes and insulation thickness.
Specifies factory refrigerant amounts and handling precautions.
Caution against exceeding nameplate refrigerant charge.
Steps for installing line sets and length limitations.
Specifies maximum rise and drop for line sets.
Details when and how to install oil traps based on rise.
Explains service loops and lists S-Trap kits.
Steps for connecting lines to the ice machine head section.
Steps for connecting lines to the condensing unit.
Details the evacuation procedure using a vacuum pump.
Describes evacuation from condensing unit Schrader valves.
Instructions for opening service valves.
Specifies torque values for valve caps and Schrader cores.
Steps to start the ice machine and allow refrigerant flow.
Specifies minimum insulation thickness for lines to prevent condensation.
Details how to install preformed insulation on suction shut-off valves.
Importance of verifying rotation for CVD2075 3 Phase.
Provides heat of rejection values for various condensing units.
When to perform checks and water level notes for specific models.
How to check and adjust water level for specific models.
How to inspect ice bridge thickness after a harvest cycle.
Procedure for adjusting the ice thickness probe.
Explains the water purge adjustment and its importance.
Recommends cleaning frequency and approved solutions.
Describes the one-switch cleaning/sanitizing cycle.
Details the AuCS accessory for automated cleaning.
Explains AlphaSan's role in reducing biofilm formation.
Steps to start the cleaning cycle and add cleaner.
Describes cycle completion and restarting ice production.
Steps to start the sanitizing cycle and add sanitizer.
Describes cycle completion and restarting ice production.
Explains how AuCS monitors cycles and initiates cleaning.
Steps for manually starting a cleaning or sanitizing cycle.
Safety precautions and solution amounts for cleaning parts.
Instructions for cleaning internal components and probes.
Steps for removing and disassembling the water dump valve.
Details on disassembling the dump valve components.
Instructions for disconnecting and removing the water pump.
Instructions for removing the ice thickness probe.
Instructions for removing the water level probe.
How to remove the splash shield for specific models.
Instructions for removing the water curtain.
How to remove the float valve for specific models.
How to check if the water inlet valve needs removal.
Instructions for removing the water inlet valve.
Instructions for removing the water distribution tube.
Steps for disassembling the water distribution tube.
Instructions for removing the water trough for specific models.
Instructions for removing the water trough for SU1000C.
Precautions for removing the machine from service or winterizing.
Specific winterization for CVD1476 and AuCS® accessory.
Diagram identifying components of the head section.
Diagram showing key parts of the ice machine.
Diagrams identifying components for the dispenser.
Diagrams showing major components of the Q1400C.
Diagram identifying key parts of the QDUAL ice machine.
Diagram identifying components of air-cooled condensing units.
Diagram identifying components of water-cooled condensing units.
Diagram identifying components of air-cooled condensing units.
Details water purge and refrigeration system start-up.
Describes the prechill and freeze stages of ice making.
Explains water purge and harvest stages.
Details how the machine shuts off when the bin is full.
Chart showing energized parts during start-up and freeze.
Chart showing energized parts during harvest and shut-off.
Details start-up and water purge for Q1400C.
Describes freeze and harvest stages for Q1400C.
Chart for energized parts during start-up and freeze.
Chart for energized parts during freeze, harvest, and shut-off.
Chart detailing energized parts for auto shut-off.
Details start-up and system start-up for QDUAL.
Describes prechill and freeze stages for QDUAL.
Explains water purge and harvest stages for QDUAL.
Details water assist harvest and auto shut-off for QDUAL.
Chart for energized parts during start-up and freeze.
Chart for freeze, harvest, and water purge.
Chart for harvest and auto shut-off.
Describes control board features and freeze time lock-in.
Explains maximum freeze time and safety limit controls.
Explains the three-minute delay and input functions.
Details the function of control board relays.
Describes the main fuse and its check procedure.
Explains the bin switch's role and importance for ice making.
Steps to check bin switch operation and resistance.
Explains consequences of removing the water curtain during cycles.
Describes the switch's role and how to test it.
Explains probe function and how to check ice thickness.
Procedure for adjusting the ice thickness probe.
Procedure for cleaning the probe before diagnosing issues.
Steps to diagnose why the machine doesn't cycle into harvest.
Analyzing harvest light status to determine circuit issues.
Diagnosing why the machine harvests before water contact.
How to monitor water level and the inlet valve safety shut-off.
How the water inlet valve operates during the freeze cycle.
How water level control differs during the harvest cycle.
Procedure for diagnosing trough overfilling during freeze cycle.
Chart for checking water flow and water level light status.
Chart for checking control board terminals related to water level.
Procedure for diagnosing lack of water flow to the sump trough.
Chart for checking water flow after probe disconnection.
Steps to diagnose why the ice machine head section won't run.
Steps to diagnose why the condensing unit won't run.
Procedure for checking compressor winding resistance.
How to check for grounded motor windings.
Diagnosing issues related to locked rotor or high amperage.
How to check capacitors and relays for compressor start issues.
Wiring diagram for the ice machine head section.
Wiring diagram for the SU1000C ice machine head section.
Wiring diagram for the Q1400C ice machine head section.
Wiring diagram for the QDUALC ice machine head section.
Wiring diagram for single-phase condensing units.
Wiring diagram for three-phase condensing units.
Explains compressor gas flow and condenser operation.
Explains refrigerant flow and heat transfer during harvest.
Explains accumulator role and normal frosting during freeze cycle.
Describes symptoms of undercharged or overcharged systems.
Differentiates mechanical vs. refrigeration issues causing harvest problems.
Checklist for common harvest cycle problems.
How to measure air and water temperatures for production checks.
Formula and steps to calculate actual 24-hour ice production.
How to compare calculated production with chart values.
Lists common installation issues and corrective actions.
Identifies water system issues mimicking refrigeration problems.
Lists common water system problems and solutions.
How ice formation patterns help diagnose malfunctions.
Explains how tubing routing affects ice fill patterns.
Describes normal ice formation patterns.
Identifies thin ice formation at evaporator outlets or inlets.
Describes spotty and no ice formation causes.
Note on independent operation of dual expansion valve circuits.
Describes built-in safety limits on the control board.
Explains Safety Limit #1 triggers and machine response.
Explains Safety Limit #2 triggers and machine response.
Describes the stand-by mode for QDUALC safety limits.
How to interpret harvest light flashes for safety limits.
Notes on safety limit codes and general analysis.
Checklist for analyzing safety limit conditions.
Lists improper installation issues related to Safety Limit #1.
Lists water system issues related to Safety Limit #1.
Lists electrical system issues related to Safety Limit #1.
Lists refrigeration system issues related to Safety Limit #1.
Lists improper installation issues related to Safety Limit #2.
Lists water system issues related to Safety Limit #2.
Lists electrical system issues related to Safety Limit #2.
Lists refrigeration system issues related to Safety Limit #2.
Steps to check and compare actual discharge pressure.
Lists causes for high discharge pressure.
Lists causes for low discharge pressure during freeze cycle.
Lists causes for low suction pressure.
Explains normal valve function during freeze and harvest cycles.
Describes valve failures: not opening or remaining open.
Procedure to measure suction line temperature during the freeze cycle.
Steps for using the component diagnostic charts for analysis.
Explains the four columns of the diagnostic charts.
Analysis of ice production and formation patterns.
Analysis related to safety limits and pressures.
Analysis of cool vapor valve and suction line temperature.
Ice production and formation analysis for dual expansion valves.
Analysis related to safety limits and pressures for dual valves.
Analysis of cool vapor valve and suction line temperature for dual valves.
Explains headmaster valve function and operation during freeze cycle.
Explains headmaster valve operation during harvest cycle.
Steps to diagnose air-cooled units during freeze cycle.
Lists failure modes for headmaster valves in freeze cycle.
Steps to diagnose air-cooled units during harvest cycle.
Lists failure modes for headmaster valves in harvest cycle.
Diagnosis procedures for water-cooled units.
Lists failure modes for CVD1476 headmaster valve.
Explains why correct charge is critical for operation.
Lists symptoms indicating an undercharged system.
Lists symptoms indicating an overcharged system.
Steps to check and adjust the water regulating valve.
Explains fan control function and specs.
Steps to check fan cycle control operation.
Explains HPCO function and its cut-out/cut-in pressures.
Steps to check the HPCO control's operation.
Explains LPCO function and its cut-out/cut-in pressures.
Steps to check the LPCO control's operation.
Schematic showing refrigerant tubing for specific models.
Schematic showing refrigerant tubing for specific models.
Guidance on using charts for verifying machine operation.
Cycle times, production, and pressures for Q0600C/CVD675.
Cycle times, production, and pressures for Q0800C/CVD875.
Cycle times, production, and pressures for Q1000C/CVD1075.
Cycle times, production, and pressures for SU1000C/CVD1075.
Cycle times, production, and pressures for Q1400C/CVD1475.
Cycle times, production, and pressures for water-cooled models.
Cycle times, production, and pressures for QDUAL/CVD1875.
Cycle times, production, and pressures for QDUAL/CVD2075.
Notes on handling refrigerant and responsibilities.
Specifies required connections for recovery.
Detailed steps for recovering and evacuating refrigerant.
Steps for charging the system with refrigerant.
How to identify and assess system contamination.
Chart matching symptoms to required cleanup procedures.
Detailed steps for cleaning mild system contamination.
Detailed steps for cleaning severe system contamination.
Steps for evacuation and filter replacement after cleanup.
Steps to replace controls while keeping refrigerant charge.
Instructions and figures for using a pinch-off tool.
Lists OEM replacement driers and their part numbers.
Lists OEM replacement filters and when to replace them.
Lists refrigerant charge and line set length by model.
Specifies POE oil type and compressor oil change procedures.
Defines terms like Recover, Recycle, and Reclaim.
Outlines approved types of refrigerant for reuse.
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