Scotsman NW458 User manual

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SERVICE MANUAL

NW458

NW608

NW1008

Electronic Modular Cubers

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98020303-00 Version A

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TABLE OF CONTENTS

Table of contents

Specifications 2-3

4-9

FOR THE INSTALLER

Introduction 10

Storage bin 10

Standard legs 10

Important operating requirements 10

Select location 11

Storage bin 11

Ice machine 11

Stacking instructions 12

FOR THE PLUMBER

Conform to all applicable codes

Water inlet 13

Drains 13

For the electrician

Electrical connections 14

Final check list 15

START-UP

Start-up cycle 16

Freezing cycle 16

Harvest cycle 17

OPERATION

Refrigeration during freeze 18

Water system 19

Refrigeration system during harvest 20

Water system 20

Control sequence 20

Alarm conditions 21

PC Board set up 22

SERVICE SPECIFICATIONS

Component 23

Operating characteristics 23

COMPONENT DESCRIPTION

Component description 24-26

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WIRING DIAGRAM

NW 458/608 27

NW 1008 28

SERVICE DIAGNOSIS

Service diagnosis 29

MAINTENANCE & CLEANING INSTRUCTION

Icemaker 30

Ice storage bin 30

Cabinet exterior 30

Cleaning (Icemaker) 30-31

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SPECIFICATIONS

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MODULAR CUBER NW 458

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Ice Making Capacity

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NOTE.To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic

maintenance as outlined on page 29 of this manual.

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SPECIFICATIONS

MODULAR CUBER NW 458

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Air Cooled

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SPECIFICATIONS

MODULAR CUBER NW 608



Ice Making Capacity



NOTE.To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic

maintenance as outlined on page 29 of this manual.



SPECIFICATIONS

MODULAR CUBER NW 608



Air Cooled



SPECIFICATIONS

MODULAR CUBER NW 1008

Ice Making Capacity



NOTE.To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic

maintenance as outlined on page 29 of this manual.



SPECIFICATIONS

MODULAR CUBER NW 1008

Air Cooled



FOR THE INSTALLER



INTRODUCTION

These instructions provide the specifications

and the step-by-step procedures for the

installation, start up and operation for the

SCOTSMAN Model NW 458-608-1008

Modular Cubers. The Models NW 458-608-

1008 Modular Cubers are quality designed,

engineering and constructed, and are

thoroughly tested ice making systems,

providing the utmost in flexibility to fit the

needs of a particular user.

STORAGE BIN

NW 458 608 1008 stack onto SCOTSMAN bin

model NB 393/530/948.

Refrigerant R 404 A

Charge per nameplate rating.

STANDARD LEGS: Furnished with storage

bin. Four legs screw into mounting sockets on

cabinet base. Provide 18.5 cm. (7’’) minimum

heights including adjustable leveling foot.

IMPORTANT OPERATING REQUIREMENTS

Air Temperature MINIMUM

10　C

(50　F)

MAXIMUM

40　C

(100　F)

Water Temperature 5　C

(40　F) 35　C

(90　F)

Water Pressures 1 bar

gauge 5 bar

gauge

Electrical Voltage

Variations Voltage

rating specified

on nameplate

-10% +10%

Extended periods of operation exceeding

these limitations constitute misuse under the

terms of Manufacturer’s Limited Warranty,

resulting in a loss of warranty coverage.

INSTALLATION NOTE: Allow 15 cm minimum

space at sides and back for ventilation and utility

connections.

This manual suits for next models

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