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KAESER EPC-G Series User Manual

KAESER EPC-G Series
102 pages
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Assembly and operating manual
1-stage piston compressor
EPC-G
No.: 9_5752 24 E
Manufacturer:
KAESER KOMPRESSOREN SE
96410 Coburg • PO Box 2143 • GERMANY • Tel. +49-(0)9561-6400 • Fax +49-(0)9561-640130
http://www.kaeser.com

Table of Contents

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KAESER EPC-G Series Specifications

General IconGeneral
TypeRotary Screw Compressor
Drive TypeDirect Drive
Control SystemSigma Control 2
SeriesEPC-G
Cooling SystemAir-cooled

Summary

Regarding this document

Warnings

Details the different levels of danger indicated by signal words (DANGER, WARNING, CAUTION).

Technical Specifications

Pressure

Details pressure relief valve settings for cylinder head and collecting pipe.

Electrical connection

Outlines basic requirements for electrical connection according to EN 60204-1.

Power supply specifications

Details cable conductor cross-sections, fusing, and supply voltage for 440V/60Hz, 460V/60Hz.

Safety and Responsibility

Improper use

Details consequences of improper usage and necessary precautions.

Safely dealing with sources of danger

Provides instructions for safely handling electrical and pressure-related dangers.

Safe machine operation

Offers guidance for safe handling during the machine's life phases, including PPE and transport.

Dangers

Covers safety during commissioning, operation, maintenance, and decommissioning.

Danger Areas

Identifies danger areas and authorized personnel for transport and installation activities.

Correct fire fighting

Lists suitable measures for responding to a fire emergency.

In emergency

Details extinguishing media and first aid for compressor oil exposure.

Design and Function

Safety devices

Lists provided safety devices and warns against modification.

Safety and regulating devices

Details user-installable safety and control devices like EMERGENCY STOP and pressure switch.

Installation and Operating Conditions

Installation conditions

Illustrates recommended machine placement and discusses ventilation and lighting.

Ensuring the machine room ventilation

Explains the tasks of machine room ventilation and requirements for air flow.

Installation

Connecting the machine with the compressed air network

Advises on installing corrosion-resistant pipes and checking voltage sequence.

Connecting the machine to the power supply

States that power supply connection must be done by authorized personnel.

Initial Start-up

Instructions to be observed before commissioning or re-commissioning

Lists checks and special measures for re-commissioning after storage.

Checking installation and operating conditions

Presents a checklist for verifying installation and operating conditions before commissioning.

Motor protection

Emphasizes correct adjustment of motor protection for overload prevention.

Motor protection setting by direct online starting

Explains setting motor protection for direct online starting.

Motor protection setting by star-delta starting

Details setting motor protection for star-delta starting configurations.

Starting the machine for the first time

Outlines steps for the initial start-up and checks after 50 operating hours.

Operation

Direct start

Details the procedure for switching on and off using direct start.

Switching on and off

Explains switching procedures for direct online start with solenoid valve and star-delta start.

Fault Recognition and Rectification

Basic instructions

Provides general guidance for fault rectification and when to contact KAESER SERVICE.

Faults

Lists remaining faults, causes, and remedies, including leaks and sounds.

Maintenance

Ensuring safety

Provides essential safety instructions for performing maintenance tasks.

Regular maintenance tasks

Lists required maintenance tasks and their recommended intervals.

Following the maintenance plan

Provides information on compressor oil change intervals and regular service tasks.

Regular service tasks

Lists necessary service tasks and their recommended intervals.

Air filter maintenance

Describes maintenance for the air filter, including cleaning and replacement criteria.

Checking the oil level

Guides on reading the oil level from the sight glass and topping up.

Topping up the compressor oil

Details the procedure for topping up compressor oil, with safety precautions.

Changing the compressor oil

Explains how to change the compressor oil, including draining and filling procedures.

Venting the machine (de-pressurising)

Details how to depressurize the machine before maintenance, with safety warnings.

Solenoid valve maintenance

Describes solenoid valve maintenance, requiring isolation and depressurization.

Cleaning the solenoid valve

Details the procedure for cleaning the solenoid valve.

Replacing the solenoid valve

Provides steps for replacing a solenoid valve, including damper and sealing tape usage.

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