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Atlas Copco GA75 User Manual

Atlas Copco GA75
44 pages
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Atlas Copco Stationary Air Compressors
GA5-7-11C-11-15-18-22-30C-30-37-45-55C-55-75-90C and
GA30 W-37 W-45 W-55C W-55 W-75 W-90C W
With Elektronikon I or Elektronikon II regulator
User manual for Elektronikon
®
I and II regulators

Table of Contents

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Atlas Copco GA75 Specifications

General IconGeneral
ModelGA75
CategoryAir Compressor
Power75 kW
Capacity FAD13.5 m³/min
Working Pressure7.5 bar
Voltage400 V
Free Air Delivery13.5 m³/min
Motor Power75 kW

Summary

Safety Precautions

Installation Safety

Specific directives and precautions for the installation of compressors and air dryers.

Part 1 - Elektronikon I Regulator

General Description (Elektronikon I)

Overview of the Elektronikon I regulator's functions and basic operation.

Control Panel (Elektronikon I)

Detailed description of the buttons, LEDs, and display on the control panel.

Display Information (Elektronikon I)

Explanation of the display elements, pictographs, and main screen.

Shut-down Warning (Elektronikon I)

Information on conditions triggering shut-down warnings for temperature and dewpoint.

Shut-down Procedures (Elektronikon I)

Details on compressor shut-down conditions, including temperature and motor overload.

Service Warning (Elektronikon I)

Explanation of service warnings and their indications on the display.

Scrolling Through Screens (Elektronikon I)

Procedure for navigating through various information screens on the regulator.

Settings

Unloading and Loading Pressures

Specifies the minimum, nominal, and maximum unloading and loading pressures for various compressor models.

Element Outlet Temperature Settings

Defines the warning and shut-down temperature settings for the compressor element outlet.

Dewpoint Temperature Settings

Details the nominal warning setting for dewpoint temperature.

Service Timer Settings

Provides information on the nominal setting for the service timer based on oil type.

Part 2 - Elektronikon II Regulator

General Description (Elektronikon II)

Overview of the Elektronikon II regulator's functions, including automatic control and protection.

Control Panel (Elektronikon II)

Description of the control panel components for the Elektronikon II regulator.

Menu-Driven Control Programs (Elektronikon II)

Explanation of menu-driven programs for compressor control and programming.

Quick Status Check (Elektronikon II)

Procedure to quickly view the current status of the compressor.

Status Data Menu (Elektronikon II)

Information on compressor status, including protection functions and message types.

Measured Data Menu (Elektronikon II)

Procedure to access measured data and input statuses, including motor overload protection.

Counters Menu (Elektronikon II)

How to access running hours, loaded hours, motor starts, and other counter data.

Test Menu (Elektronikon II)

Procedure for performing a display test to check pixels and LEDs.

Modify Parameters Menu (Elektronikon II)

Overview of parameters that can be programmed via the Modify Params menu.

Modifying Parameters (Elektronikon II)

Guide to modifying various operational parameters of the regulator.

Modifying Protection Settings (Elektronikon II)

Procedure for adjusting shut-down, shut-down warning, and warning settings for compressor protection.

Modifying Service Plans (Elektronikon II)

Instructions on how to modify the running hour intervals for service plans.

Programming Clock Function (Elektronikon II)

Details on programming time-based start/stop and pressure band commands for the compressor.

Configuration Menu (Elektronikon II)

Procedure for reprogramming various parameters, including time and control modes.

Service Menu (Elektronikon II)

Functionality to reset service plans and check upcoming or past service actions.

Saved Data Menu (Elektronikon II)

How to access compressor data saved by the regulator, such as last shut-down data.

Programmable Settings

Parameters List

Table listing minimum, nominal, and maximum values for various programmable parameters.

Protection Parameters

Details on protection parameters like element outlet temperature and delays.

Service Plan Intervals

Defines the running hours for Service plans A, B, and C.

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