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Scotsman NW458 - Service Manual

Scotsman NW458
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

FOR THE INSTALLER

INTRODUCTION

Provides specifications and step-by-step procedures for installation, start-up, and operation of various Scotsman Modular Cubers.

IMPORTANT OPERATING REQUIREMENTS

Details critical environmental and utility conditions necessary for proper icemaker operation and warranty validity.

SELECT LOCATION

Guides the selection of an appropriate installation site, considering environment, utilities, and service space.

ELECTRICAL CONNECTIONS

Details power supply connection, plug requirements, disconnect box placement, and voltage limits.

FINAL CHECK LIST

START-UP

START-UP CYCLE

Guides the initial power-on and system initialization process, including LED indicators and delays.

FREEZING CYCLE

Explains the sequence of operations during the freezing cycle, including component activation and sensors.

HARVEST CYCLE

HARVEST CYCLE

Details the process of ice harvesting, including component operation and ice thickness adjustment.

OPERATION

REFRIGERATION DURING FREEZE

Explains the refrigeration system's function during the freezing cycle, from compressor to evaporator.

WATER SYSTEM

Describes the water circulation system during the freeze cycle, including pump, spray tube, and level sensor.

REFRIGERATION SYSTEM DURING HARVEST

Details how the refrigeration system operates during the harvest phase using hot gas bypass.

ALARM CONDITIONS

Lists and explains various alarm states indicated by LED lights and their causes.

PC BOARD SET UP

DIP SWITCH SETUP

Details the function and settings of various DIP switches on the PC board for configuration.

SERVICE SPECIFICATION

P.C. Board

Explains the function of the PC Board as the system's brain and its connectors.

Ice Thickness Sensor

Describes the ice thickness sensor, its function, and how it signals the PC board.

SERVICE DIAGNOSIS

MAINTENANCE & CLEANING & SANITATION INSTRUCTIONS

Scotsman NW458 Specifications

General IconGeneral
BrandScotsman
ModelNW458
CategoryIce Maker
LanguageEnglish

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