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General| Model | QD0452A |
|---|---|
| Ice Production Capacity | 450 lbs |
| Ice Type | Dice |
| Weight | 130 lbs |
| Daily Ice Production | 450 lbs |
| Condenser Type | Air-Cooled |
| Water Connection | 3/8" FPT |
| Refrigerant | R404A |
| Type | Undercounter |
Warning about operating misused, abused, neglected, 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 for performing procedures more efficiently.
Details on model identification, series, and air/water-cooled configurations.
Explains the format and meaning of model numbers for ice machines.
Illustrates and describes the dimensions of regular, dice, and half-dice ice cubes.
Provides a general overview of warranty terms and contact information.
Details warranty coverage for machine parts, including evaporator and compressor.
Outlines warranty coverage for labor costs related to repairs.
Lists items and conditions not covered by the warranty.
Specifies requirements for authorized service providers for warranty repairs.
Refers to a separate installation manual for detailed guidelines.
Provides physical dimensions for specific ice machine models.
Details dimensions for S170, S400, and S570 ice storage bins.
Provides dimensions for S320 and S420 ice storage bins.
Details dimensions for JC0495, JC0895, JC1095, JC1395 remote condensers.
Provides dimensions for the JC1895 remote condenser.
Instructions for safely stacking two ice machines.
Provides BTU/hr data for sizing AC systems and cooling towers.
Instructions for installing the air baffle to prevent condenser air recirculation.
General wiring guidelines and warnings.
Specifies acceptable voltage variations during operation.
Details requirements for fuses or circuit breakers.
Explains the purpose and determination of minimum circuit ampacity.
Specific wiring instructions for UK plugs and connections.
Discusses water quality and treatment needs.
Guidelines for installing water inlet lines correctly.
Provides instructions for proper drain line installation.
Information on using cooling towers with water-cooled models.
Details on refrigerant charge requirements for remote models.
Specifies acceptable ambient temperature ranges for remote condensers.
Best practices for routing refrigerant lines for performance and access.
Maximum allowable length for refrigerant line sets.
Maximum allowable vertical rise and drop for line sets.
Formula and process for calculating total allowable line set distance.
Instructions for opening the receiver service valve before starting.
Details warranty implications when using non-Manitowoc condensers.
Requirement for a specific head pressure control valve.
Guidance on controlling the condenser fan motor.
Limits on internal condenser volume to prevent compressor failure.
Explains condenser temperature difference (∆T) parameters.
Information on system refrigerant charge for remote models.
Notes on using quick connect fittings and initial charge.
Specific checks required for remote ice machine installations.
Identifies key components of the ice machine with diagrams.
General guidelines for performing operational checks.
How to check and troubleshoot water level issues.
Procedure for checking and adjusting ice thickness.
Instructions for cleaning the condenser to maintain performance.
Specific steps for cleaning air-cooled condensers.
General recommendations for cleaning and sanitizing.
Details the automatic cleaning system features.
Explains the AlphaSan® antimicrobial technology.
Describes how the AuCS operates automatically.
Steps for manually starting the AuCS cleaning cycle.
Details on removing and cleaning the ice thickness probe.
Instructions for checking and cleaning the water inlet valve.
Procedure for removing and cleaning the water curtain.
Step-by-step guide for replacing filter cartridges.
Winterization steps for self-contained air-cooled models.
Winterization steps for water-cooled models.
Winterization steps for remote ice machines.
Refers to accessory manual for AuCS winterization.
Details the operational sequence for self-contained models.
Describes the initial startup and restart process.
Explains the steps involved in the freeze cycle.
Describes how the machine shuts off when the bin is full.
Details startup process for remote models.
Explains the freeze cycle for remote models.
Explains automatic shut-off for remote models.
Notes that the sequence is the same for both model types.
Describes startup sequence involving water system components.
Details water flow during the freeze cycle.
Explains the safety feature limiting water inlet valve operation time.
Tables showing energized components during different operational sequences.
Energized parts for self-contained models.
Details energized parts during startup.
Energized parts during startup for remote models.
Wiring diagrams for self-contained models.
Describes wiring during the water purge phase.
Electrical components active during the pre-chill phase.
Details electrical states during water purge.
Startup sequence wiring for remote models.
Wiring during remote water purge.
Electrical states during remote pre-chill.
Electrical states during remote water purge.
Explains the symbols and conventions used in wiring diagrams.
Specifications and diagnostics for the main fuse.
Function, specifications, and check procedure for the bin switch.
Procedure for testing the bin switch with an ohmmeter.
Notes on water curtain removal and its effect on operation.
Procedure to check compressor winding resistance.
Resistance checks specific to single-phase compressors.
Resistance checks specific to three-phase compressors.
Procedure to check for grounded motor windings.
Steps to diagnose a seized compressor.
Troubleshooting high amperage draw on startup.
Guidance on diagnosing and testing start capacitors.
Explanation of a Positive Temperature Coefficient Resistor.
How PTCRs contribute to the compressor start sequence.
Common issues and troubleshooting steps for PTCRs.
Reasons why a PTCR might fail to start the compressor.
Lists the relays on the control board and their functions.
Built-in safety features of the control board.
Explains how inputs affect control board operation.
Explains the operational principle of the ice thickness probe.
Function of the harvest/safety limit indicator light.
How the system prevents short cycling.
Safety feature limiting freeze cycle duration.
Procedure for checking and adjusting ice thickness.
Steps for cleaning the ice thickness probe.
Diagnostic step involving grounding the probe.
Diagnostic step involving grounding control board terminal 1C.
Diagnostic step to isolate the probe connection.
Monitoring water level via the indicator light.
Electrical path for water level control during freeze.
Water level control during harvest cycle.
Diagnostic step for water level control.
Diagnostic step for overfilling issue.
Diagnostic step to check normal operation.
Diagnostic step to isolate water level probe.
Overview of how the refrigeration system operates.
Refrigeration sequence for self-contained models.
Refrigerant flow during prechill.
Refrigerant flow during freeze cycle.
Refrigerant flow during prechill for remote models.
Refrigerant flow during freeze cycle for remote models.
General advice on analyzing the refrigeration system.
Procedure to check ice production rates and compare to specifications.
Checklist for identifying and resolving water system issues.
Description of normal ice formation on the evaporator.
Identifies and describes thin ice formation at the evaporator outlet.
Describes the freeze time safety limit.
Describes the harvest time safety limit.
How to interpret safety limit indicators on the control board.
General notes and tips for understanding safety limits.
General notes and tips for understanding safety limits.
Checklist for diagnosing high discharge pressure.
Checklist for diagnosing low discharge pressure.
Checklist for diagnosing low suction pressure.
General information about harvest valve function.
Procedure to diagnose harvest valve problems.
General advice on using the analysis tables.
Step-by-step guide for performing the analysis.
Interpreting the analysis results to identify problems.
Notes that the HPR system is for remote models.
General description of the HPR system.
How the Headmaster valve functions.
Steps to diagnose Headmaster valve issues.
Compares fan cycle control and Headmaster functions.
Specifications and diagnostics for the fan cycle control.
Specifications and diagnostics for the HPCO safety control.
Performance data for Q200 air-cooled models.
Performance data for Q200 water-cooled models.
Procedures for recovery/evacuation on self-contained models.
General steps for refrigerant recovery and evacuation.
Required connections for recovery/evacuation.
Steps for refrigerant recovery/evacuation on remote models.
Required connections for remote system evacuation.
Basic requirements for restoring contaminated systems.
How to assess the level of system contamination.
Table listing refrigerant charge amounts for various models.
Definition of refrigerant recovery.
Definition of refrigerant recycling.
Definition of refrigerant reclamation.
Defines standards for new refrigerant products.
Lists approved refrigerant types.
Conditions for using new refrigerant.
Conditions for using reclaimed refrigerant.
Conditions for using recovered/recycled refrigerant.
Conditions for using substitute refrigerants.
Specifies required compressor oil for HFC refrigerants.
Details properties of Polyol Ester oils.
Explains the implications of POE oil characteristics for service.
Special procedures for POE systems with leaks.
Method for leak-checking HFC systems.
Information on specific filter-driers for HFCs.
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