Atlas Copco ga37 User Manual
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User manual
Atlas Copco Stationary Air Compressors
GA18, -30, -37, -45, -50, -55, -75, -90 (W) VSD
User manual for Elektronikon® II regulator
1. This manual must be used together with the instruction books for GA18 up to -90 (W) VSD
compressors.
2. From following serial numbers onwards:
- GA18-30 VSD: AII 297 500
- GA37-55 VSD: AII 355 000
- GA75-90 VSD: AII 494 500
Copyright 2003, Atlas Copco Airpower n.v., Antwerp, Belgium.
Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in
particular to trademarks, model denominations, part numbers and drawings.
This instruction book meets the requirements for instructions specified by the machinery directive
98/37/EC and is valid for CE as well as non-CE labelled machines.
No. 2920 1456 03
(Replaces No. 2920 1456 02)
Registration code:
2003-07
2920 1456 03
APC G18-30 VSD/2002 / 38 / 977
APC G37-55 VSD/2003 / 38 / 975
APC G75-90 VSD/2000 / 38 / 987
www.atlascopco.com
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Table of Contents
Related Manuals for Atlas Copco ga37
Summary of Contents for Atlas Copco ga37
- Page 1 - GA37-55 VSD: AII 355 000 - GA75-90 VSD: AII 494 500 Copyright 2003, Atlas Copco Airpower n.v., Antwerp, Belgium. Any unauthorized use or copying of the contents or any part thereof is prohibited. This applies in particular to trademarks, model denominations, part numbers and drawings.
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Page 2: Table Of Contents
User manual Contents Page 1 General description..........................3 1.1 Controlling the compressor......................3 1.2 Protecting the compressor......................4 1.2.1 Shut-down and fan motor overload ..................4 1.2.2 Shut-down warning........................4 1.2.3 Warning ........................... 4 1.3 Service warning ..........................4 1.4 Automatic restart after voltage failure .................... 4 2 Control panel (Fig. -
Page 3: General Description
User manual 1 General description The electronic regulator automatically controls the compressor, i.e.: matching the compressor output to the air consumption stopping the compressor whenever necessary restarting the compressor when required In order to control the compressor and to read and modify programmable parameters, the regulator has a control panel provided with: LEDs indicating the status of the compressor a display indicating the operating conditions, a service need or a fault... -
Page 4: Protecting The Compressor
The regulator has a built-in function to automatically restart the compressor if the voltage is restored after voltage failure. For compressors leaving the factory, this function is made inactive. If desired, the function can be activated. Consult Atlas Copco. Warning... -
Page 5: Control Panel (Fig. 2.1)
Display condition, a service need or a fault. Switch to isolate the compressor from the mains or to stop On GA37 VSD (200 V) the compressor immediately in case of emergency. The Isolator switch compressor will be depressurized automatically when the isolator switch is switched off. -
Page 6: Display - Keys
Canc parameters Delete To delete compressor start/stop commands Help Help To find the Atlas Copco internet address Limits To show limits for a programmable setting Main Main To return from a menu to the main screen (Fig. 4.2) Starting from the main screen (Fig. 4.2): to have access to... -
Page 7: Tabulator Key (2-Fig. 2.1)
User manual 3.3 Tabulator key (2-Fig. 2.1) This key, labelled with two horizontal arrows, allows the operator to select the parameter indicated by a horizontal arrow. Only the parameters followed by an arrow pointing to the right are accessible for modifying. - Page 8 User manual -Compres Speed -ER Water In -Loaded Hours -ER Water Out ↑ Max Pressure Compressor Out Auto Operation -Motor Starts -Emergency Stop -Module Hours -Rem Start/Stop Local Control -Accumulated Vol -Overl Fanmotor -Compressor Out -Condens drain ↓ 2500 ↓ Timer Active ↓...
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Page 9: Function Of Control Programs
User manual 4.1 Function of control programs Program/Function Description Shows in short the operation status of the compressor. It is the gateway Main screen to all functions. See Fig. 4.1. Calling up the status of the compressor protection functions: shut-down shut-down warning Status data service warning... -
Page 10: Calling Up Other Menus
Line 2 indicates whether the regulator operates in local control or remote control mode: <<Local control>> means that the start/stop buttons on the keyboard are activated. <<Remote control>> means that these functions are controlled remotely. Consult Atlas Copco. Line 3 indicates whether the timer which generates time-based start and stop commands is activated or not. -
Page 11: Status Data Menu
User manual 6 Status data menu The status data submenu gives information regarding the status of the compressor protection functions (shut-down, shut-down warning, service warning and warning) and allows resetting of a shut- down, motor overload and service condition. Procedure Starting from the Main screen (see section 4.2): Press the key Menu (F1): the option Status data will be followed by a horizontal arrow. -
Page 12: A Shut-Down Warning Message Exists
User manual 1. The indicators (**) are blinking. The screen shows the sensor (compressor element outlet), the actual reading (122 °C), that the compressor is shut down (Shd), and the shut-down setting (120 °C). 2. It remains possible to scroll through other menus, e.g. to check the values of other parameters. When returning to the Status data menu, the option Shutdowns will blink. -
Page 13: A Service Warning Message Exists
User manual Element outlet Shdw Menu ** Fig. 6.4 Example of a shut-down warning screen The screen shows that the temperature at the outlet of the compressor element (116 °C) is too high. 5. If necessary, stop the compressor by means of button 0 and wait until the compressor has stopped. -
Page 14: A Warning Message Exists
User manual 6.5 A warning message exists 1. LED (7) is alight and a warning message will appear on the screen. 2. The indicators (**) are blinking and the warning message appears. This warning indicates that: On water-cooled compressors, the cooling water outlet temperature exceeds the programmed warning level. -
Page 15: Test Menu
Fig. 8.1 Example of an accumulated volume screen The display indicates that the compressor has delivered 230 x 1000 m³ of compressed air. If it should be required to modify the value of the indicated timer, consult Atlas Copco. 9 Test menu Function To carry out a display test, i.e. -
Page 16: Modify Params - Modifying Compr./Motor Settings
User manual 10 Modify Params – modifying compr./motor settings Function The menu allows the operator to program: Compr. / motor settings Parameters, see section 11 Protection settings, see section 12 Service plan settings, see section 13 Clock settings, see section 14 Configuration settings, see section 15 Modifying compr./motor settings Function... -
Page 17: Modifying Parameters
User manual Setpoint 1 Menu ↓ Fig. 10.1 Modify setpoint screen 11 Modifying parameters Function To modify a number of parameters as mentioned in Fig. 4.1. Procedure 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓... -
Page 18: Modifying Protection Settings
User manual 12 Modifying protection settings Function 1. To modify protection settings: shut-down (<<Shd>>), for element outlet temperature shut-down warning (<<Shdw>>), for element outlet temperature warning (<<Warn>>), e.g. for cooling water outlet or dewpoint service warning (<<Serv>>), e.g. DP of oil separator (max. pressure drop) 2. - Page 19 User manual Element Outlet 120 (blinks) Prog Canc ↓ Fig. 12.2 Modify parameters menu 3. The key Lim (F2) can be used to find out the limitations for the parameter. Use the ↓ or ↑ arrow key to change the value. 4.
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Page 20: Modifying Service Plans
Service plans are to be carried out. Important Always consult Atlas Copco in case any timer setting should be changed. The intervals must not exceed the periods below and must coincide logically. Programmed service plan intervals... - Page 21 User manual Procedure 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓ key until the option Modify Params is followed by a horizontal arrow press the tabulator key (2) to activate the menu 2.
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Page 22: Programming Clock Function
User manual 14 Programming Clock function To program: time-based start/stop commands for the compressor time-based change-over commands for the net pressure band (see also section 10) 14.1 Programming start/stop/pressure band commands In this example, the compressor will be programmed as follows: On Monday at 06:15 starting in pressure band 1 On Friday at 18:00 changing over to pressure band 2 On Saturday at 18:00 stopping... - Page 23 User manual 4. Use the ↓ or ↑ keys until the day on which a command must be programmed is followed by a right pointing arrow. Press the tabulator key (2); following screen appears: --:-- ----------- → --:-- ----------- --:-- ----------- ↓...
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Page 24: To Activate/Deactivate The Timer
User manual 14.2 To activate/deactivate the timer 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓ key until the option Modify Params is followed by a horizontal arrow press the tabulator key (2) to activate the menu 2. -
Page 25: To Modify A Command
User manual 14.3 To modify a command Suppose the command to stop the compressor on Saturday 18:00 is to be modified: stopping at 17 o'clock instead of 18 o'clock: 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓... -
Page 26: To Add A Command
User manual 14.4 To add a command Adding a command at the end of an existing list 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓ key until the option Modify Params is followed by a horizontal arrow press the tabulator key (2) to activate the menu 2. -
Page 27: To Delete A Command
User manual Adding a command between two existing commands 1. Suppose the command 17:00 band 2 must be added to following list: 06:00 start 06:00 band 1 18:00 stop 2. The regulator does not allow to enter a new command which is situated before the last command in the list timewise. -
Page 28: Configuration Menu
User manual Deleting a specific start/stop/pressure band command Scroll through the display until the desired start, stop, band 1 or band 2 command line is followed by a horizontal arrow. Press the key Del (F3). A question to confirm the deleting operation will appear. 15 Configuration menu Function To reprogram a number of parameters. - Page 29 User manual Programming compressor control modes Compressor control modes The compressor can be controlled locally, remotely or via a local area network (LAN-consult Atlas Copco). Procedure 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓...
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Page 30: Service Menu
User manual 16 Service menu Function To reset the service plans which are carried out. To check for both the next service plans to be carried out and to find out which service plans were carried out previously. Service plans Consult the relevant instruction book to find out which service actions are related to these plans. - Page 31 User manual Procedure 1. Starting from the Main screen (see section 4.2): press the key Menu (F1) press the ↓ key until the option Service is followed by a horizontal arrow press the tabulator key (2) to activate the menu 2.
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Page 32: Saved Data Menu
User manual 5. Stop the compressor, switch off the voltage and carry out the service operations related to plans A, B and C. See instruction book. 6. Switch on the voltage and scroll to the service screen shown in Fig. 16.2. Press the Rset button (F3) to reset the timer. -
Page 33: Programmable Settings
1875 1875 2500 - GA30 VSD (Siemens motor) 2000 2000 4000 - GA30 VSD (ABB motor) 1870 1870 2500 - GA37/45/50/55 VSD 2000 - GA75 VSD 1000 - GA90 VSD 1000 Max. RPM reduction 18.2 Parameters Minimum Nominal Maximum Minimum stop time... -
Page 34: Protections
96 °C. The recommended difference between the warning level and shut-down level is 10 °C. 6) Use Atlas Copco oil separators. The recommended maximum pressure difference is 1 bar. 2920 1456 03... - Page 35 11) Recommended minimum setting: 70 °C. For testing the temperature sensor, this setting can be decreased to 50 °C. Reset the setting value after testing. 12) Always consult Atlas Copco in case any timer setting should be changed. The intervals must not exceed the nominal intervals and must coincide logically. See section 13.
- Page 36 User manual Notes: 2920 1456 03...
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