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GEA Grasso M-Series User Manual

GEA Grasso M-Series
88 pages
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Screw Compressor Packages
GEA Grasso M-Series
Operating Manual (Translation of the original text)
P_261511_1

Table of Contents

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GEA Grasso M-Series Specifications

General IconGeneral
BrandGEA
ModelGrasso M-Series
CategoryAir Compressor
LanguageEnglish

Summary

BASICS

Requirements for personnel, obligation to exercise due care

Details qualifications and responsibilities for personnel operating the equipment.

Specified Use

Defines the intended application and operational limits for the screw compressor package.

SAFETY

General information for safety

General safety aspects to be observed for operating the equipment.

Behaviour in the case of emergency

Instructions on how to act in emergency situations, including shutdown procedures.

Installation in explosive atmospheres, installation zones 1 and 2

Provides additional instructions for using units in potentially explosive atmospheres.

INSTALLATION

Use in explosive atmospheres, installation zones 1 und 2

Specific electrical engineering regulations for explosive atmospheres.

DESCRIPTION OF DESIGN AND FUNCTION

Installation in explosive atmospheres, installation zones 1 und 2

Safety instructions for using SCPs in potentially explosive atmospheres.

Designation of the earth connection

Instructions for proper earth connection and its importance.

Controller

Details the GEA Omni controller, its functions, and interfaces.

Safety devices

Lists and describes various safety devices integrated into the SCPs.

Designed for use in explosive atmospheres!

Safety instructions for using SCPs in potentially explosive atmospheres.

Maximum permitted pressure, Pressure ratio, etc.

Specifies pressure and temperature limits for compressor operation.

START-UP

Important information for start-up

Crucial safety and preparatory information before commencing start-up.

Connecting the screw compressor package

Instructions for making mechanical and electrical connections to the package.

Electrical connection

Guidance on electrical connections, grounding, and wiring checks.

Start-up procedure

Outlines the sequence of operations for starting up the package.

Checking the electrical connection

Verifies that all electrical work adheres to standards and is correctly done.

Leak test

Procedures for performing a leak test on the system.

Leak test (continued)

Details on test strategy, devices, and carrying out the leak test.

Drying, vacuum

Steps for drying and vacuum testing the plant to remove air and moisture.

Operating position of valves

Specifies the correct operating positions for various valves.

Oil charge

Instructions for checking and filling the correct type and amount of oil.

Checking the direction of rotation of the oil pump motor

How to check and ensure the correct rotation of the oil pump motor.

Checking of the safety pressure limiter

Procedure for checking the settings and reaction of the safety pressure limiter.

Checking of the emergency-OFF button

Verifies that the emergency-OFF button immediately shuts off the compressor.

Adjustment of oil pressure

How to adjust oil pressure to prevent compressor damage.

Checking the direction of rotation of the drive motor

Instructions for checking and correcting the drive motor's rotation direction.

Initial start-up

Final steps for commissioning the SCP after previous checks.

USE, OPERATION, CONTROL

Important information for the operator

Key information for operators regarding training and safety.

Prerequisite for switching on

Lists essential conditions that must be met before switching on the package.

Setting of setpoint and limiting values as well as safety devices

Emphasizes correct setting of parameters and safety values for safe operation.

Operation of the screw compressor package

Explains how the package is operated via the GEA Omni control unit.

Instructions regarding failures, their causes and remedies

Provides guidance on troubleshooting common faults, their causes, and solutions.

Table of malfunctions

Lists common faults, their causes, and recommended remedies.

Table of malfunctions (continued)

Continues the list of faults, causes, and remedies.

CLEANING, MAINTENANCE, REPAIR

Use in explosive atmospheres, installation zones 1 and 2

Safety regulations for maintenance in potentially explosive atmospheres.

Important information for service personnel

Key information and safety precautions for personnel performing maintenance.

Maintenance

General instructions and warnings related to maintenance work.

General instructions

Important safety warnings and procedures before performing maintenance.

Maintenance intervals

Emphasizes the importance of adhering to the maintenance schedule.

Oil draining, oil filling, oil change

Importance of oil change and intervals for different refrigerants.

Changing the oil

Step-by-step guide for draining, filling, and changing the oil.

Searching for leaks on the refrigerant side / leak test

Precondition for perfect functioning is absence of leaks in the refrigerant circuit.

Searching for leaks on the refrigerant side / leak test (continued)

Methods for detecting leaks, including visual inspection and leak tests.

Refrigerant evacuation

Purpose and procedure for evacuating the system to remove air and moisture.

Checking the safety devices

How to check safety devices by moving to limiting values.

DECOMMISSIONING

Shut-down in the event of dangerous situations

Procedures for shutting down the unit in hazardous situations.

DECOMMISSIONING, DISPOSAL

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