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Atlas Copco
Air Compressor
GA 22 MED
Atlas Copco GA 22 MED User Manual
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5.3
During operation
Warnings
The operator must apply all relevant
Safety precautions
. Also consult section
Problem
solving
.
If the compressor is stopped because the supply voltage is interrupted, please be aware
that it will restart automatically when the power is restored!
When
the
motors
are
stopped and
LED
(8)
(automatic
operation)
is
alight,
the
motors may
start automatically.
Instruction book
2920 7104 10
69
70
72
Table of Contents
Default Chapter
4
Default Chapter
4
Table of Contents
4
Safety Precautions
7
Safety Icons
7
Safety Precautions, General
7
Safety Precautions During Installation
8
Safety Precautions During Operation
9
Safety Precautions During Maintenance or Repair
10
General Description
12
Introduction
12
Air Flow
13
Oil Flow
14
Cooling System
15
Condensate System
16
Regulating System
16
Electrical System
17
Electrical Diagram
18
Air Receiver
20
Elektronikon® Graphic Controller
21
General
21
Automatic Restart after Voltage Failure
22
Control Panel
23
Icon Used
24
Icons Used
24
Main Screen
28
Calling up Menus
32
Inputs Menu
34
Outputs Menu
37
Counters
38
Emergency Forced Local
40
Lan or Local Control
40
Service Menu
41
Modifying the Setpoint
45
Event History Menu
47
Modifying General Settings
48
Info Menu
50
Test Menu
51
User Password Menu
52
Web Server
53
Cascading Load Cut-In Values in Local Mode
60
Programmable Settings
61
Installation
63
Dimension Drawings
63
Installation Proposal
64
Electrical Connections
66
Pictographs
67
Operating Instructions
68
Initial Start-Up
68
Starting
70
During Operation
71
Checking the Display
73
Stopping
74
Taking out of Operation
74
Maintenance
76
Preventive Maintenance Schedule
76
Oil Specifications
78
Disposal of Used Material
79
Adjustments and Servicing Procedures
80
Service Kits
79
Storage after Installation
79
Air Filter
80
Drive Motor
80
Oil and Oil Filter Change
81
Oil Separator Change
82
Belt Tensioning and Replacement
83
Coolers
83
Safety Valves
85
Problem Solving
87
Electric Cable Size and Main Fuses
90
Readings on Display
90
Technical Data
90
Reference Conditions and Limitations
93
Compressor Data
94
Technical Data Elektronikon® Controller
96
Analog Inputs
97
Instructions for Use
98
Guidelines for Inspection
99
Pressure Equipment Directives
100
Declaration of Conformity
101
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Atlas Copco GA 22 MED Specifications
General
Model
GA 22 MED
Category
Air Compressor
Type
Rotary Screw Compressor
Power Output
22 kW
Noise Level
68 dB(A)
Voltage
400 V
Frequency
50 Hz
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