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National Lab PCGE Series - User Manual

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Recirculating chillers for liquids
PCGE 11 - PCGE 3300
OCGE 31 - OCGE 240
PCGEZ 08 - PCGEZ 480
English
Operating and maintenance manual
Deutsch
Bedienungs- und Wartungsanleitung
National Lab GmbH
Grambeker Weg 157, D-23879 Moelln
Phone: +49 (0)45 42 / 84 91 ° 10
Fax: +49 (0)45 42 / 84 91 ° 11
E-MAIL: SERVICE@NATIONALLAB.COM

Table of Contents

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Summary

GENERAL USER AND MAINTENANCE MANUAL

HOW TO USE THIS MANUAL

Instructions on how to effectively use the operating and maintenance manual for chillers.

GENERAL DESCRIPTIONS;INTENDED USE

Overview of chiller design, cooling medium types, and applications.

GENERAL SAFETY INSTRUCTIONS

DESCRIPTION OF THE CHILLER, COMPONENTS AND OPTIONS

DESCRIPTION

General description of the chiller as a ready-to-connect unit with sealed circuits.

REFRIGERANT CIRCUIT

Details the refrigerant circuit and standard components used in the chiller.

COOLING MEDIUM CIRCUIT (CONSUMER CIRCUIT)

Explains the cooling medium circuit and its standard components.

ELECTRIC CIRCUIT

Covers the electrical circuit, control, and monitoring devices for operation.

HOUSING

Provides information on the chiller's housing and dimensions.

TRANSPORT; PACKAGING; STORAGE

REMOVING THE PACKAGING AND HANDLING THE CHILLER

Procedure for safely unpacking and handling the chiller unit.

DISPOSAL OF PACKAGING MATERIALS

Guidance on proper disposal of chiller packaging materials.

STORAGE

Recommendations for storing the chiller to maintain its condition.

LOCATION AND INSTALLATION

CHOOSING A LOCATION

Criteria and recommendations for selecting a suitable installation location.

ASSEMBLY (CONNECTIONS)

Instructions for assembling and connecting the chiller system components.

OPERATION

CHECK LIST FOR THE INITIAL START-UP OF WATER RECIRCULATING CHILLERS

Step-by-step checklist for the initial start-up of water recirculating chillers.

CHECKLIST FOR STARTING UP OIL RECIRCULATING CHILLERS

Checklist for the initial start-up of oil recirculating chillers.

CHECK LIST FOR COMMISSIONING GLYCOL RECIRCULATING CHILLERS

Checklist for commissioning glycol recirculating chillers.

OPERATING SETTINGS FOR THE ELECTRONIC CONTROLLER

Details on operating settings and parameters for electronic controllers.

SHUTTING DOWN THE CHILLER

Procedures for safely shutting down the chiller during daily operation.

MAINTENANCE

MAINTENANCE OPERATIONS

General maintenance tasks and procedures to be performed by specialists.

DISPOSAL

MALFUNCTIONS;TROUBLESHOOTING

POSSIBLE ALARM SIGNALS AND THEIR RECTIFICATION

Lists possible alarm signals, their causes, and recommended remedies.

FEATURES AND TECHNICAL DATA

TECHNICAL FEATURES

Detailed technical specifications and performance data for various models.

PUMP AND TANK CHARACTERISTICS

Data on pump performance and tank specifications for different models.

COMPONENTS WITH A WEIGHT OF MORE THAN 20 KG

Lists major components weighing over 20 kg.

DIAGRAMS

LEGEND

Provides a legend for symbols used in the diagrams.

WIRING DIAGRAM

Electrical wiring diagrams for various chiller models.

COOLING - HYDRAULIC DIAGRAM

Hydraulic diagrams illustrating the cooling circuits of different models.

REGULATION ON PRESSURE EQUIPMENT

DECLARATION OF CONFORMITY

PROGRAMMED MAINTENANCE REGISTER

INDIVIDUAL SPECIFICATION

National Lab PCGE Series Specifications

General IconGeneral
BrandNational Lab
ModelPCGE Series
CategoryChiller
LanguageEnglish

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