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Scotsman NW458AS - User Manual

Scotsman NW458AS
41 pages
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SERVICE MANUAL
NW307/308/507/508
(22inch Model)
NW457/458/608/1008/1408
(30inch Model)
Electronic Modular Cubers
Part Number : 98020304-00 Version : C
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Summary

Installation and Setup

Plumbing Requirements

Emphasizes adherence to codes for water supply, clarity, and pressure.

Electrical Connections & Final Checks

Instructions for connecting the unit to the electrical supply, emphasizing safety and code compliance.

Start-Up Procedures

Start-Up Cycle Sequence

Describes the initial power-on sequence and system checks performed by the PC board.

Freezing Cycle Process

Explains the process of ice formation, water circulation, and temperature control.

Harvest Cycle Process

Details the process of releasing ice cubes from the evaporator and preparing for the next freezing cycle.

Operation and Control

Refrigeration During Freeze

Explains the refrigeration system's function during the ice-making process.

Refrigeration During Harvest

Explains how hot gas bypasses the condenser to melt ice for harvest.

Alarm Conditions and Indicators

Lists various LED indicators and their corresponding error states and troubleshooting steps.

PC Board Setup and DIP Switches

DIP Switch Setup Guide

Explains the function and setup of DIP switches for configuring machine operations.

Component Descriptions

P.C. Board Functionality

Explains the function and connectivity of the main control board.

Service Diagnosis

Troubleshooting Symptoms and Causes

A troubleshooting guide for common ice machine malfunctions, causes, and corrections.

Maintenance & Cleaning Instructions

Icemaker Cleaning Procedure

Details the procedure and safety precautions for cleaning the icemaker using specific chemicals.

Scotsman NW458AS Specifications

General IconGeneral
TypeUndercounter Ice Maker
Ice TypeHalf-Dice Cube
Condenser TypeAir-Cooled
Voltage115V
Power Supply115V
Water SupplyPotable
RefrigerantR404A
Dimensions (H x W x D)23 x 30 x 27 inches

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