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Scotsman C2648 - User Manual

Scotsman C2648
67 pages
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Service Manual for
Modular Cuber
Model C2648
induding
Prodigy Plus

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Summary

Introduction

Installation: Product Specifications

Location Limitations

Specifies limits for ice machine and remote condenser placement.

Space Limitations

Explains the need for service access space around the ice machine.

Environmental Limitations, Ice Machine

Details environmental requirements for the ice machine operation.

Remote Condenser Requirements

Outlines environmental and power requirements for the remote condenser.

Warranty Information

Provides general warranty coverage information for the product.

Product Information

Describes the modular cuber, its components, and connection requirements.

Model Number Description

Model Number Example

Illustrates the breakdown of a typical model number.

Available Options

Details available field-installable options for the ice machine.

Standard Bin Adapter Information

Provides adapter information for standard bin applications.

Other Bin Applications

Offers guidance on bin depth and upright bin recommendations.

Product Description, Electrical Requirements

Ice Machine Electrical Details

Details electrical requirements, fuse sizes, and model specifications for the ice machine.

Remote Condenser Footprint

Provides dimensions for the remote condenser footprint and required bin top opening.

Central Condenser (Rack) Coils

Lists requirements for connecting the ice machine to a central condenser coil.

Condenser and Ice Machine Layouts

Water

Scotsman Filter Recommendations

Recommends triple head filters, specifically Scotsman SSM3 or ADS-AP3 AquaPatrol.

RO Water Conductivity

Specifies the minimum conductivity requirement for RO water supply.

Potential Airborne Contamination

Explains how airborne contaminants can affect sanitation and suggests filter types.

Water Purge Function

Describes the water purge feature for scale reduction and its automatic adjustment.

Panel Removal

Uncrate and Set Up

Guides on uncrating, attaching legs, checking gaskets, and placing the machine on the bin.

Remote Condenser Location

Location Limits

Defines maximum physical distances for rise, drop, and line set length.

Prohibited Routing Configurations

Advises against specific routing configurations for the line set.

Calculation Example 1

Demonstrates an acceptable calculation for remote condenser location.

Calculation Example 2

Illustrates an unacceptable calculation for remote condenser location.

Installer: Remote Condenser

Roof Attachment

Provides instructions for securely attaching the remote condenser to a building’s roof.

Precharged Line Routing

Important: Confirm Correct Line Set

Emphasizes verifying the correct pre-charged line set is used for installation.

Building Opening Size Recommendation

Recommends minimum hole sizes for passing refrigerant lines through building structures.

Best Practice: Coil Excess Tubing

Suggests coiling excess tubing horizontally inside the building for better management.

Coupling Instructions

Initial Connections

Details the initial steps for connecting the pre-charged refrigerant lines.

Final Connections

Outlines the procedures for tightening and checking the final connections of refrigerant lines.

Plumbing Requirements

Water Filter Replacement

Advises on installing new filter cartridges and checking existing ones.

Drain Connections

Covers drain tubing attachment, routing, venting, and slope requirements.

Electrical

Electrical Connections

Explains how electrical connections are made within the ice machine's junction box.

Final Check List

Initial Start Up

Typical Ice Making Cycle Times

Provides typical ice making cycle times based on ambient and water temperatures.

Adjustments

Bridge Thickness Adjustment

Details the procedure for service technicians to adjust ice bridge thickness.

Water Purge Setting

Explains how to adjust the water purge setting from automatic to manual or vice-versa.

Use and Operation

External Indicator Lights

Describes the function and meaning of the external indicator lights on the machine.

Other Indicators

Mentions internal indicator lights, curtain switches, and their functions.

Switch Panel Area

Control Options

Lists optional field-installable controls like adjustable ice level and advanced feature control.

Adjustable Ice Level Control

Explains the function and adjustment of the optional adjustable ice level control.

Options and Other Information

Smart-Board Features

Describes the features of the Smart-Board option, including programmable settings and malfunction recall.

Ice Characteristics

Explains how the cuber drops ice in sections and potential for large sections.

Heat Dissipation

Notes that most heat is exhausted at the remote condenser.

Normal Operating Noises

Describes normal operational noises like compressor, pump sounds, and cracking before harvest.

Cleaning, Sanitation and Maintenance

Ice Machine Cleaner Caution

Provides a caution regarding the acidic nature of the ice machine cleaner.

Sanitizer Solution Mixing

Details how to mix a recommended sanitizer solution for cleaning.

Clean Storage Bin

Provides instructions for cleaning the ice storage bin with scale remover and sanitizer.

Water Filter Maintenance

Advises on checking and changing water filter cartridges based on time or pressure.

Remote Condenser and Other Maintenance

Exterior Panel Cleaning

Guides on cleaning fingerprints, dust, and grease from stainless steel exterior panels.

Water Level Sensor Cleaning

Details how to clean the water sensor probes and probe housing for accurate readings.

Technical Highlights

Lists key technical aspects and components of the ice machine system.

What to Do Before Calling for Service

Reasons for Machine Shutdown

Lists common reasons why the ice machine might automatically shut down.

Manual Machine Reset Procedure

Provides step-by-step instructions for manually resetting the ice machine.

Machine Shutdown Procedure

Outlines the procedure for safely shutting down the ice machine.

Overall System Types

Refrigeration System Overview

Describes the mechanical remote cooled refrigeration system components.

Water System Overview

Explains the functions of the water system components like the solenoid valve and purge valve.

Control System Overview

Details the electronic control system and its sensors.

Harvest System Overview

Describes the harvest system, including hot gas defrost and mechanical assist.

Electrical Components List

Lists the various electrical components used in the ice machine.

Controller Information

Machine Indicator Lights

Lists and describes the machine's front panel indicator lights.

Code Display Meanings

Explains the main codes and their meanings displayed by the controller.

Control Operation Reference

References the manual for control operations like water light and de-scale notification.

Setting Codes and Button Sequences

Explains push button sequences for settings like water purge and de-scale notification.

De-Scale Notification Interval Setting

Guides on modifying the interval for de-scale and sanitize notifications.

Component Indicator Lights

How It Works

Freeze Cycle Operation

Details the operational steps and logic of the freeze cycle.

Harvest Cycle Operation

Describes the sequence of operations during the harvest cycle.

Harvest Cycle Shutdown Condition

Explains the shutdown condition related to open curtains after a harvest cycle.

Electrical Sequence - Remote Cooled

Freeze Cycle Light Information

Describes the status of indicator lights during the freeze cycle.

Harvest Cycle Indicator Information

Details the indicator light status during the harvest cycle.

Electrical Component Details

Compressor Operation

Explains how the compressor is operated and controlled.

Contactor Operation

Describes the operation of the contactor and its control.

Water Pump Operation

Details the operation of the water pumps and their control.

Inlet Water Solenoid Valve Operation

Explains the operation of the inlet water solenoid valve.

Purge Valve Operation

Describes the operation of the purge valve.

Fan Motor Operation

Explains when the remote condenser fan motor operates.

High Pressure Cut Out Function

Describes the function of the high pressure cut out switch.

Harvest Assist Operation

Explains the operation of harvest assist solenoids or motors.

Liquid Line Valve Operation

Details the function of the liquid line valve in starting and stopping the unit.

Hot Gas Valve Operation

Describes the operation of the hot gas valves.

Controller Functionality

Transformer Function

Explains the transformer's role in supplying power to the controller.

Water Level Sensor Description

Describes the three-probe conductivity sensor for water level detection.

Ice Thickness Sensor Description

Explains the single wire conductivity sensor for ice thickness detection.

Curtain Switch Description

Details the magnetic reed switches used for curtain position sensing.

Water Temperature Sensor

Describes the thermistor used as a water temperature sensor.

Discharge Temperature Sensor

Explains the thermistor used to measure discharge line temperature.

Component Indicator Light Table

Refrigeration

Refrigerant Details

Specifies the refrigerant type (R-404A) and charge amount.

Compressor Amp Draw

Provides compressor amp draw values during freeze and harvest cycles.

Evaporator Specifications

Describes the unified cell plate evaporators, material, and dimensions.

Refrigeration Schematic

Water System Components

Batch Type System

Identifies the water system as batch type, holding a full charge per cycle.

Water Valve Operation

Explains the solenoid type water valve and its operation based on sensor probes.

Water Pump Type

Describes the unsealed pedestal type water pumps.

Water Purge Valve Type

Identifies the water purge valve as a solenoid type.

Water Level Sensor Type

Describes the three-probe conductivity water level sensor.

Water Distributor Description

Details the ABS plastic water distributors and their function.

Control Operation

Standard Control System

Summarizes the standard electronic controller's operation and features.

Controller Connection Points

Lists the various connection points (J1-J11) on the controller board.

Control Safeties

Maximum Freeze Time Limit

Specifies the maximum freeze time and the unit's reaction to exceeding it.

Minimum Freeze Time Limit

Defines the minimum freeze time and consequences of harvesting too early.

Maximum Harvest Time Limit

Sets the maximum harvest time and the unit's response to exceeding it.

Restarts

Power Interruption Restart

Explains how the controller handles restarts after a power interruption.

Water Interruption Restart

Describes how the controller attempts to refill the reservoir after a water interruption.

On-Off Switch Access

Details the front accessibility and optional covering of the On/Off switches.

Control Button Use (from standby)

Setting Purge Level

Explains how to set the water purge level using the control buttons.

Recalling Diagnostic Codes

Details the procedure to recall the last 10 diagnostic or error codes.

Clearing Diagnostic Codes

Outlines the method for clearing all prior diagnostic codes.

Resetting the Control

Provides the steps to reset the ice machine's control system.

Starting Test Mode

Explains how to initiate the test mode for diagnostic purposes.

Locking;Unlocking Control

Describes how to lock or unlock the control panel to prevent unauthorized changes.

Emptying the Reservoir

Details the procedure to manually empty the water reservoir.

Test Mode Procedure

Explains the sequence and events within the test mode.

Changing De-Scale Notification Interval

Guides on modifying the interval for de-scale and sanitize notifications.

Diagnostics

Problem Identification

Lists common problems encountered with the ice machine and their likely causes.

Likely Cause Identification

Lists potential causes for various ice machine operational problems.

Probable Solution Identification

Provides probable solutions for troubleshooting identified ice machine problems.

Test Procedures - Sensors

Curtain Switch Testing

Provides detailed procedures for testing the curtain switches using indicator lights and an ohmmeter.

Ice Thickness Sensor Testing

Indicator Light Test

Describes testing the sensor via the controller's indicator lights.

Ohmmeter Test

Outlines the procedure for testing the ice thickness sensor with an ohmmeter.

Sensor Circuit Test

Explains how to test the sensor circuit by connecting a wire from J10 to ground.

Water Level Sensor Testing

Indicator Lights Test

Describes testing the sensor using the sump empty and sump full indicator lights.

Ohmmeter Test

Provides steps for testing the water level sensor with an ohmmeter.

Sensor Circuit Test

Details how to test the water level sensor circuit by jumping harness wires.

Temperature Sensors Testing

Controller Calibration Check

Mentions checking the controller for out-of-range sensor calibration codes (5 or 7).

Ohmmeter Resistance Test

Guides on testing water and discharge temperature sensors using an ohmmeter and resistance charts.

Alternate Test Procedure

Describes an alternate method for testing sensors using ice water.

Water Pump Testing

Indicator Lights Test

Explains how to test water pumps using controller indicator lights.

Ohmmeter Test

Outlines the procedure for testing water pump motor windings with an ohmmeter.

Purge Valve Testing

Indicator Lights Test

Describes testing the purge valve using controller indicator lights.

Valve Coil Resistance Note

Provides a note on the internal rectification of the purge valve coil and its resistance.

Compressor Contactor Testing

Indicator Lights and Voltage Test

Explains testing the compressor contactor using indicator lights and voltage checks.

Ohmmeter Coil Test

Guides on testing the contactor coil for continuity or shorts.

Pressure Switch Testing

High Pressure Switch Test

Details the procedure for testing the high pressure cut out switch using gauges and voltage.

Transformer Voltage Check

Advises checking the transformer's secondary voltage output.

Controller Function Confirmation

Mentions confirming controller software operation and diagnostic codes.

Liquid Line Solenoid Testing

Indicator Lights and Test Mode

Describes testing the liquid line solenoid using controller indicator lights and test mode.

Ohmmeter Coil Resistance Test

Outlines testing the liquid line coil resistance with an ohmmeter.

Inlet Water Solenoid Valve Testing

Indicator Lights Test

Explains how to test the inlet water solenoid valve using controller indicator lights.

Ohmmeter Coil Resistance Test

Guides on testing the inlet water solenoid coil resistance with an ohmmeter.

Harvest Assist Testing

Harvest Assist Solenoid Testing

Describes testing the harvest assist solenoid, noting it's no longer used.

Harvest Assist Motor Testing

Explains how to test the harvest assist motor using an ohmmeter.

Hot Gas or Vapor Valve Testing

Details testing procedures for hot gas or vapor valves using indicator lights and ohmmeters.

Reservoir Removal

Controller Differences

Purge Time Setting Differences

Mentions differences in water purge time settings between models.

Maximum Harvest Time Differences

Notes differences in maximum harvest time settings.

Evaporator Plate Count Differences

Highlights differences based on the number of evaporator plates.

Prodigy Plus Connector Detail

Points out the connector for the lower light and switch panel on Prodigy Plus models.

Service Controller Compatibility

Explains the service controller's selector switch for model compatibility.

Thermistor Values Table

Performance Information

Cycle Time Performance

Presents cycle times based on condenser intake air and water temperatures.

Suction Pressure Performance

Lists suction pressure ranges for end of freeze and harvest cycles.

Discharge Pressure Performance

Provides discharge pressure ranges for end of freeze and harvest cycles.

Compressor Amps Performance

Repeats compressor amp draw values for freeze and harvest cycles.

Repair Procedures

Inlet Water Solenoid Valve Replacement

Provides step-by-step instructions for removing and replacing the inlet water solenoid valve.

Harvest Assist Repair

Harvest Assist Solenoid Replacement

Details replacement steps if the harvest assist is a solenoid.

Ice Thickness Sensor Repair

Initial Gap Adjustment

Guides on setting the initial probe-to-evaporator gap and adjusting ice bridge thickness.

Contactor or Controller Repair

Contactor Replacement

Provides procedures for removing and replacing the contactor.

Controller Replacement

Details the steps for replacing the ice machine's controller.

Curtain or Curtain Switch Repair

Curtain Replacement

Outlines the procedure for removing and reinstalling a curtain.

Curtain Switch Replacement

Provides steps for removing and reinstalling a curtain switch.

Purge Valve or Water Level Sensor Repair

Purge Valve Replacement

Details the procedure for removing and replacing the purge valve.

Water Level Sensor Replacement

Outlines the steps for removing and reinstalling the water level sensor.

Water Pump Repair

Evaporator Repair

Compressor Repair

Thermostatic Expansion Valve Repair

Scotsman C2648 Specifications

General IconGeneral
BrandScotsman
ModelC2648
CategoryIce Maker
LanguageEnglish

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