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Scotsman MXG 328 A/W - User Manual

Scotsman MXG 328 A/W
199 pages
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TECHNICAL SERVICE TRAINING
Welcome to another Scotsman technical service presentation
This one will cover the electronic MXG series Ice Cube Machines
MXG SERIES
CUBERS
MXG SERIES
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Summary

Installation Guide

Initial Placement and Sensor Prep

Steps for placing the ice maker on the bin and preparing I/R sensor/chute.

I;R Sensor Routing

Procedure for routing the I/R sensor through the unit's base gasket.

Securing IR Bracket

Instructions to fix the IR sensor using supplied screws to its bracket.

Attaching Ice Chute Bracket

Fixing the IR bracket at the ice chute discharge area with a screw.

Re-installing Ice Chute

Re-installing the ice chute, ensuring proper hook rim point attachment.

Electrical Connection Checks

Verifying data plate for voltage and ensuring a solid earth wire connection.

Environmental Condition Requirements

Specifies required ambient/water temperatures and pressures for operation.

Installation Space and Airflow

Details minimum clearance needed for connections and optimal air routing.

Airflow Diagrams

Visual representation of air flow for specific MXG models (328-438).

Airflow Diagram - Model 638

Visual representation of air flow for the MXG 638 model.

Airflow Diagram - Model 938

Visual representation of air flow for the MXG 938 model.

Unit Leveling Procedure

Instructions on leveling the unit using its adjustable legs.

Electrical Installation Guidelines

Guidance on installing the electrical supply and appropriate plug.

Water Piping Connections

Steps for connecting the water inlet and drain lines correctly.

Air-Cooled Installation Overview

Diagram showing typical installation for air-cooled versions.

Water-Cooled Inlet Fittings

Details on the two separate 3/4” male thread water inlet fittings.

Water-Cooled Drain Hose Connection

Connecting the second drain hose to the water regulating valve.

Water-Cooled Installation Overview

Diagram showing typical installation for water-cooled versions.

Start-Up and Operational Checks

Initial Power Activation

Steps to open the water tap and switch on the electrical supply.

Master Push Switch Operation

Location and function of the front panel master push switch.

Initiating Machine Start-Up

Procedure for starting the machine using the green push button.

Start-Up Delay and Jumper Configuration

Information on factory start-up delay and Jumper 3 settings.

Water Filling Phase

Describes the automatic water filling phase after the start-up delay.

Key Component Check: PC Board

Identifies the PC Board as an energized component during water filling.

Key Component Check: Water Inlet Valve

Identifies the water inlet solenoid valve.

Key Component Check: Water Drain Valve

Identifies the water drain valve.

Key Component Check: Hot Gas Solenoid Valve

Identifies the hot gas solenoid valve.

Water Flow Path Analysis

Traces water flow through the inlet valve and flow control orifice.

Water Distribution on Evaporator

Explains how water flows onto the evaporator platen via holes.

Water Sump and Overflow Function

Describes water collection in the sump and the overflow's role.

Freezing Cycle Components: Compressor

Lists the compressor as an operating component during the freezing cycle.

Freezing Cycle Components: Water Pump

Lists the water pump as an operating component during the freezing cycle.

Freezing Cycle Components: Fan Motor

Lists the fan motor for air-cooled versions during the freezing cycle.

Freezing Cycle Components: Contactor

Lists the contactor as an operating component during the freezing cycle.

Fan Motor Control Mechanism

Explains fan motor control via condenser temperature sensor.

PC Board LED Indicators: Power

Identifies the 'Power' LED on the PC Board.

PC Board LED Indicators: Freezing

Identifies the 'Freezing' LED on the PC Board.

Water Circulation in Molds

Details water circulation into the evaporator molds.

Refrigerant Flow in Serpentine

Describes refrigerant flow in the evaporator serpentine.

Evaporator Sensor Identification

Points out the evaporator sensor location.

Evaporator Temperature Drop to 0°C

Notes the evaporator serpentine temperature drop to 0°C after 5 mins.

PC Board Red LED Blinking Status

Indicates a blinking red LED on the PC Board.

Evaporator Temperature Drop to -15°C

Notes the evaporator serpentine temperature drop to -15°C after 10 mins.

Maintenance Procedures

Service Analysis and Troubleshooting

Scotsman MXG 328 A/W Specifications

General IconGeneral
BrandScotsman
ModelMXG 328 A/W
CategoryIce Maker
LanguageEnglish

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