Atlas Copco GHS 350 VSD+ Instruction Book
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Atlas Copco GHS 350 VSD+ Instruction Book

Oil-sealed rotary screw vacuum pumps
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Atlas Copco
Oil-sealed rotary screw vacuum pumps
GHS 350 VSD+, GHS 585 VSD+, GHS 730 VSD+,
GHS 900 VSD+, GHS 350 VSD+ Turbo,
GHS 585 VSD+ Turbo, GHS 730 VSD+ Turbo
Instruction Book
6996 0227 40
Issue C

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Summary of Contents for Atlas Copco GHS 350 VSD+

  • Page 1 Atlas Copco Oil-sealed rotary screw vacuum pumps GHS 350 VSD+, GHS 585 VSD+, GHS 730 VSD+, GHS 900 VSD+, GHS 350 VSD+ Turbo, GHS 585 VSD+ Turbo, GHS 730 VSD+ Turbo Instruction Book 6996 0227 40 Issue C...
  • Page 2 This page has been intentionally left blank.
  • Page 3 Atlas Copco Oil-sealed rotary screw vacuum pumps GHS 350 VSD+, GHS 585 VSD+, GHS 730 VSD+, GHS 900 VSD+, GHS 350 VSD+ Turbo, GHS 585 VSD+ Turbo, GHS 730 VSD+ Turbo From following serial No. onwards: API 850 800 Instruction book...

  • Page 5: Table Of Contents

    Instruction book Table of contents Safety precautions ............................7 Safety icons ..............................7 General precautions ............................7 Safety precautions during installation ......................8 Safety precautions during operation ......................9 Safety precautions during maintenance or repair ..................10 General description........................... 12 What is vacuum and how is flow rate understood ..................
  • Page 6 Instruction book Operating instructions ..........................77 Initial start-up ............................... 77 Starting ................................ 78 During operation ............................79 Taking out of operation ..........................80 Stopping ..............................80 Maintenance ............................... 81 Preventive maintenance schedule ......................81 Oil specifications ............................85 Drive motor ..............................86 Air filter ................................

  • Page 7: Safety Precautions

    Instruction book Safety precautions Safety icons Explanation Danger for life Warning Important note General precautions General precautions 1. The operator must employ safe working practices and observe all related work safety requirements and regulations. 2. If any of the following statements does not comply with the applicable legislation, the stricter of the two shall apply.

  • Page 8: Safety Precautions During Installation

    Instruction book 6. Avoid contact with pump intake during operation. 7. The owner is responsible for maintaining the unit in safe operating condition. Parts and accessories shall be replaced if unsuitable for safe operation. 8. It is not allowed to walk or stand on the unit or on its components. Safety precautions during installation All responsibility for any damage or injury resulting from neglecting these precautions, or non observance of the normal caution and care required for installation, operation, maintenance...

  • Page 9: Safety Precautions During Operation

    16. Any vacuum pump placed in an application with inlet gas stream temperatures above the published maximum temperature should be approved by Atlas Copco prior to start-up. 17. For water-cooled machines, the cooling water system installed outside the machine has to be protected by a safety device with set pressure according to the maximum cooling water inlet pressure.

  • Page 10: Safety Precautions During Maintenance Or Repair

    Instruction book 12. The oil separator tank can be slightly pressurised. Do not open and do not leave oil filler or drain plugs open during operation. 13. Do not use the pump as a compressor. 14. Never run the pump without the air intake filter mounted. 15.
  • Page 11 Instruction book that they function correctly. If removed, check that the coupling guard of the vacuum pump drive shaft has been reinstalled. 16. Every time the separator element is renewed, examine the discharge and the inside of the oil separator vessel for carbon deposits;...

  • Page 12: General Description

    There are 2 common but different ways to denote flow rate in vacuum. The first one is based on the displacement or volumetric flow rate and the second one is based on the throughput or mass flow rate. Atlas Copco vacuum pumps use volumetric flow rate to denote performance, the unit being Am³/hr. Displacement/volumetric flow rate...

  • Page 13: Introduction

    The vacuum pumps are controlled by the Atlas Copco Elektronikon® Graphic regulator (ER). The regulator is fitted to the front door. An electric cabinet (1) comprising fuses, transformers, relays, etc. is located behind this door.
  • Page 14 Instruction book Open view front Open view back Reference Name Air intake filter Oil cooler Element Elektronikon® Graphic controller Cooling fan Drive motor Oil filter Oil separator tank Emergency stop button Electric cabinet Vacuum control valve 6996 0227 40...

  • Page 15: Flow Diagram

    Instruction book Reference Name Inlet connection Thermostatic bypass valve Discharge connection Cable entry Flow diagram Air flow Air comes in through air intake filter (AF) and Vacuum Control Valve (VC) and is displaced by the vacuum pump element (E). A mixture of air and oil flows into the oil separator tank (OT). After passing the air/oil separator filter, clean air, conditioned to a few parts per million, is discharged through the outlet.

  • Page 16: Condensate System

    Instruction book the oil flows through the oil cooler. The filtered oil flows into the vacuum pump element (E). Cooling The cooling system has an oil cooler (Co). The fan (FN) blows air over the coolers. This fan is set to run on or off, depending on the operating conditions, according to a specific algorithm.

  • Page 17: Electrical System

    Instruction book Electrical system Electric components The electrical system has following components: Electrical cabinet (typical example) Reference Description Transformer Circuit breaker Circuit breaker Contactor EMC filter Frequency converter Electrical diagrams You can find the complete electrical diagram inside the electric cabinet. 6996 0227 40...

  • Page 18: Elektronikon® Graphic Controller

    Instruction book Elektronikon® Graphic controller Elektronikon® Graphic controller Control panel Display of the Elektronikon® Graphic controller Introduction The Elektronikon® controller has following functions: • Controlling the vacuum pump • Protecting the vacuum pump • Monitoring components subject to service • Automatic restart after voltage failure (made inactive) Automatic control of the vacuum pump operation The controller maintains the pressure within programmable limits by automatically adapting the motor speed.
  • Page 19 For vacuum pumps leaving the factory, this function is made inactive. If desired, the function can be activated. Consult the Atlas Copco Customer Center. If activated and provided the regulator was in the automatic operation mode, the vacuum pump will automatically restart if the supply voltage to the module is restored.

  • Page 20: Control Panel

    Instruction book Control panel Elektronikon regulator Elektronikon regulator Reference Designation Function Shows the vacuum pump operating condition and a number of icons to Display navigate through the menu. Pictograph Automatic operation Pictograph General alarm General alarm Flashes if a shut-down warning condition exists. Pictograph Service Service LED...

  • Page 21: Icons Used

    Instruction book Icons used Status icons Name Icon Description When the vacuum pump is stopped, the icon stands still. Stopped/Running When the vacuum pump is running, the icon is rotating. Motor stopped Vacuum pump status Running Purge and Intermediate states Running Vacuum Control Local start/stop Machine control mode...
  • Page 22 Instruction book Name Icon Description Service Service required Value lines display icon Main screen display Chart display icon General icons No communication / network problem Not valid Input icons Icon Description Pressure temperature Digital input Special protection System icons Icon Description Vacuum pump element Frequency converter...
  • Page 23 Instruction book Menu icons Icon Description Inputs Outputs Alarms (Warnings, shutdowns) Counters Test Settings Service Saved data Access key/User password Network Regulation Info Navigation arrows Icon Description Down 6996 0227 40...

  • Page 24: Main Screen

    Instruction book Main screen Control panel Scroll keys Enter key Escape key Function The Main screen is the screen that is shown automatically when the voltage is switched on and one of the keys is pushed. It is switched off automatically after a few minutes when no keys are pushed. Typically, 5 different main screen views can be chosen: 1.
  • Page 25 Instruction book Text on figures Inlet pressure (ii) Flow (iii) Vacuum control, shutdown,... (text varies upon the vacuum pumps actual condition) (iv) Menu ES,...(text varies upon the vacuum pumps actual condition) Typical Main screen (4 value lines) Text on figures Inlet pressure (ii) Flow...
  • Page 26 Instruction book To call up more information about the icons shown, select the icon concerned using the scroll keys and press the enter key. • Section C is called the Status bar This bar shows the text that corresponds to the selected icon. •...

  • Page 27: Calling Up Menus

    Instruction book Selection of a main screen view To change between the different screen layouts, select the far right icon in the control icons line (see value lines display icon or chart display icon in section Icons used) and press the Enter key. A screen similar to the one below opens: Select the layout required and press the Enter key.

  • Page 28: Inputs Menu

    Instruction book • To go to the Menu screen, select Menu, using the Scroll keys • Press the Enter key to select the menu. Following screen appears: • The screen shows a number of icons. Each icon indicates a menu item. By default, the Pressure Settings (Regulation) icon is selected.
  • Page 29 Instruction book Procedure Starting from the Main screen (see Main screen): • Move the cursor to the action button Menu and press the enter key, following screen appears: Menu (ii) Regulation • Using the scroll keys, move the cursor to the inputs icon (see above, section Menu icon) •...
  • Page 30 Instruction book • If an input is in warning or shutdown, the original icon is replaced by the warning or shutdown icon respectively (i.c. the Stop icon and the Warning icon in the screen shown above). A small chart icon, shown below an item in the list means this input signal is shown on the chart at the main screen.

  • Page 31: Outputs Menu

    Instruction book Set as main chart signal Outputs menu Control panel Menu icon, outputs Function To call up Information regarding the actually measured data and the status of some outputs such as the motor overload protection. Procedure Starting from the Main screen (see Main screen): •...
  • Page 32 Instruction book Text on figures Menu (ii) Regulation • Move the cursor to the outputs icon (see above, section Menu icon, using the scroll keys(1) • Press the enter key (2), a screen similar to the one below appears: Outputs (ii) Modulating Valve (iii)

  • Page 33: Counters

    Instruction book Counters Control panel Scroll keys Enter key Escape key Menu icon, counters Function To call up: • The running hours • The number of motor starts • The number of hours that the regulator has been powered up •...

  • Page 34: Control Mode Selection

    Instruction book Text on figures Menu (ii) Regulation  Using the scroll keys, move the cursor to the counters icon (see above, section Menu icon)  Press the enter key, following screen appears: Text on figures Counters (ii) Running hours (iii) Motor starts (iv)
  • Page 35 Instruction book Function To select the control mode, i.e. whether the vacuum pump is in local control, remote control or controlled via a local area network (LAN). Procedure Starting from the main screen, make sure the button Menu (iv) is selected: Next, use the scroll buttons to go to the regulation icon (ii) and press the enter button: There are 3 possibilities: •...

  • Page 36: Service Menu

    Instruction book 3.10 Service menu Control panel Scroll keys Enter key Escape key Menu icon, Service Function  To reset the service plans which are carried out.  To check when the next service plans are to be carried out. ...
  • Page 37 Instruction book Text on figures Service (ii) Overview (iii) Service plan (iv) Next service History  Scroll through the items to select the desired item and press the Enter key to see the details as explained below. Overview Text on figures Overview (ii) Running Hours...
  • Page 38 Instruction book After carrying out the service actions related to the indicated levels, the timers must be reset. From the Service menu above, select Service plan (3) and press Enter. Following screen appears: Text on figures Service plan Level Running hours Real time hours Modify Modifying a service plan...

  • Page 39: Modifying The Setpoint

    Instruction book Next Service Text on figures Next service (ii) Level (iii) Running hours (iv) Actual In the example above, the A Service level is programmed at 4000 running hours, of which 0 hours have passed. History The History screen shows a list of all service actions done in the past, sorted by date. The date at the top is the most recent service action.
  • Page 40 Instruction book Menu icon, setpoint Function On vacuum pumps with a frequency converter driven main motor, it is possible to program two different setpoints. This menu is also used to select the active setpoint. Procedure Starting from the Main screen, ...

  • Page 41: Event History Menu

    Instruction book  The first line of the screen is highlighted. Use the Scroll keys (1) to highlight the setting to be modified and press the Enter key (2). Following screen appears: The upper and lower limit of the setting is shown in grey, the actual setting is shown in black. Use the up or down key of the Scroll keys to modify the settings as required and press the Enter key to accept.
  • Page 42 Instruction book Menu icon, Event History Function To call up the last shut-down and last emergency stop data. Procedure Starting from the Main screen,  Move the cursor to the action button Menu and press the Enter key. Following screen appears: ...

  • Page 43: Modifying General Settings

    Instruction book 3.13 Modifying general settings Control panel Scroll keys Enter key Escape key Menu icon, Settings Function To display and modify a number of settings. Procedure Starting from the Main screen,  Move the cursor to the action button Menu and press the Enter key. Following screen appears: ...
  • Page 44 Instruction book This screen shows again a number of icons. By default, the User Password icon is selected. The status bar shows the description that corresponds with the selected icon. Each icon covers one or more items, such  Access level ...
  • Page 45 Instruction book  To modify, select the Modify button using the Scroll keys and press the Enter key.  A screen similar to the one above is shown, the first item (Language) is highlighted. Use the key of the Scroll keys to select the setting to be modified and press the Enter key. ...

  • Page 46: Info Menu

    Move the cursor to the action button Menu and press the Enter key. Following screen appears:  Using the Scroll keys, move the cursor to the Info icon (see above, section Menu icon).  Press the Enter key. The Atlas Copco internet address appears on the screen. 6996 0227 40...

  • Page 47: Week Timer Menu

    Instruction book 3.15 Week timer menu Control panel Scroll keys Enter key Escape key Menu icon, Week timer Function  To program time-based start/stop commands for the vacuum pump.  To program time-based change-over commands for the net pressure band. ...
  • Page 48 Instruction book Text on figures Menu Week Timer  Press the Enter key on the controller. Following screen appears: Week Timer Week Action Schemes Week Cycle Status Week Timer Inactive Remaining Running Time The first item in this list is highlighted in red. Select the item requested and press the Enter key on the controller to modify.
  • Page 49 Instruction book Week Action Scheme 1 Monday Tuesday Wednesday Thursday Friday Saturday Sunday  A new window opens. The Modify action button is selected. Press the enter button on the controller to create an action. Monday Modify  A new pop-up window opens. Select an action from this list by using the Scroll keys on the controller. When ready press the Enter key to confirm.
  • Page 50 Instruction book Monday Start Save Modify  A pop-up window opens. Use the up or down key of Scroll keys to modify the values of the hours. Use  or Scroll keys to go to the minutes. Monday Start Save Modify ...
  • Page 51 Instruction book Save Modify Press the Escape key to leave this window.  The action is shown below the day the action is planned. Week Action Scheme 1 Monday - Start Tuesday Wednesday Thursday Friday Saturday Sunday Press the Escape key on the controller to leave this screen. Programming the week cycle A week cycle is a sequence of 10 weeks.
  • Page 52 Instruction book Week Cycle Week 1 Week 2 Week 3 Week 4 Modify Press twice the Enter key on the controller to modify the first week.  A new window opens. Select the action, example: Week Action Scheme 1 Week Cycle Week 1 Week Action Scheme 1 Week Action Scheme 2...
  • Page 53 Instruction book Week Timer Week Action Schemes Week Cycle Status Week Timer Inactive Remaining Running Time  A new window opens. Select Week 1 to set the Week Timer active. Week Timer Week Week Timer Inactive Week 1  Press the Escape key on the controller to leave this window. The status shows that week 1 is active. Week Timer Week Action Schemes Week Cycle...
  • Page 54 Instruction book  Press the Escape key on the controller to go to the main Week Timer menu. Select Remaining Running Time from the list and press the Enter key on the controller to Modify. Week Timer Week Action Schemes Week Cycle Status Remaining Running Time...

  • Page 55: User Password Menu

    Instruction book 3.16 User password menu Control panel Scroll keys Enter key Escape key Menu icon, Password Function If the password option is activated, it is impossible for not authorized persons to modify any setting. Procedure Starting from the Main screen (see Main screen), ...

  • Page 56: Web Server

    To allow the web server functionality, the network cable that is connected to the SMARTBOX should be unplugged and replaced by the cable of the company network. If both the web server functionality and SMARTBOX are required, please contact your local Atlas Copco Customer Centre for support. Configure a dedicated PC connection ...
  • Page 57 Instruction book  Click “Change adapter settings”.  Select the Local Area connection which is connected to the controller.  Click with the right button and select properties  Use the checkbox Internet Protocol version 4 (TCP/IPv4) (see picture).  To avoid conflicts uncheck other properties if they are checked.
  • Page 58 Instruction book  After selecting TCP/IPv4 click on the properties button to change the settings.  Use the following settings:  IP Address 192.168.100.200  Subnetmask 255.255.255.0  Click ok and close network connections 6996 0227 40...
  • Page 59 Instruction book Configure a company network (LAN) connection  Ask your companies IT responsible or IT department to generate a fixed IP address in your companies network.  That IP address will be excluded from the DNS server, so it will be reserved for the Elektronikon Mk5 ...
  • Page 60 Instruction book  Go to ‘Network’  Go to ‘Ethernet  Switch ‘Off’ the Ethernet communication to allow editing the settings  Adapt IP address  Adapt Gateway address  Adapt Subnet mask  Switch ‘On’ the Ethernet communication again ...
  • Page 61 Instruction book Configuration of the web server. All screen shorts are indicative. The number of displayed fields depends on the selected. Configure your web interface of the Elektronikon The internal web server is designed and tested for Microsoft® Internet explorer. Also “Opera”, “Mozilla Firefox”, “Safari”...
  • Page 62 Instruction book If a license for ESi is foreseen, the menu contains 3 buttons.  Compressor: shows all compressor settings.  Es: shows the ESi status if a license is provided.  Preferences: Change temperature and pressure unit. Compressor settings All compressor settings can be displayed or hidden.
  • Page 63 Instruction book Digital Inputs Gives an overview of all Digital inputs and status Digital Outputs Shows a list of all the digital outputs and status Special Protections Give an overview of all special protections of the compressor. Service Plan Shows all levels of the service plan and status. This screen only shows the running hours.

  • Page 64: Programmable Settings

    Instruction book 3.18 Programmable settings Vacuum pump/motor Minimum Factory Maximum setting setting setting Set-point 1 and 2, Workplace vacuum pumps mbar(a) 1000 Set-point 1 and 2, Workplace vacuum pumps Torr 3,75 37,5 Indirect stop level mbar Indirect stop level Torr Proportional band Integration time Analog setpoint selection...
  • Page 65 The built-in service timers will give a Service warning message after their respective pre-programmed time interval has elapsed. For specific data, see section Preventive Maintenance. Consult Atlas Copco if a timer setting needs to be changed. The intervals must not exceed the nominal intervals and must coincide logically. See section Modifying general settings. Terminology...

  • Page 66: Installation

    Instruction book Installation Dimension drawings 6996 0227 40...
  • Page 67 Instruction book Center of gravity and weight Type L (mm) W (mm) H (mm) Weight Weight (inches) (inches) (inches) (Kg) (lbs) GHS 350VSD + 1102 1102 GHS 585VSD + GHS 730VSD + 1124 GHS 900VSD + 1146 Dimensions +/- 10 mm or 0.3 inches Weights (oil included) +/- 20 kg or 44 lbs 6996 0227 40...

  • Page 68: Installation Proposal

    Instruction book Installation proposal 6996 0227 40...
  • Page 69 Instruction book 1) Location: Locate the vacuum pump on a level surface that is clean, well lit, well ventilated and capable taking the weight of the pump. The entire length of the frame base must be supported. Shim where necessary (do not use wood).
  • Page 70 In this case, consult Atlas Copco. Also, if operating above 1000 m (3300 ft), consult Atlas Copco. Moving/lifting The vacuum pumps can be moved by a lift truck using the slots in the frame. Take care not to damage the bodywork during lifting or transport.

  • Page 71: Electrical Connections

    To use the machine in light industrial, commercial or residential environments with a shared supply network or in an IT network, extra measures can be required: contact Atlas Copco. Electrical connections for GHS 350 VSD+ up to GHS 900 VSD+...
  • Page 72 Instruction book Service diagram 6996 0227 40...
  • Page 73 Instruction book Electrical connections 1 ph GHS 350 VSD+ up to GHS 730 VSD+ Service diagram 6996 0227 40...
  • Page 74 Instruction book Reference Designation Customer’s installation Vacuum pump motor Note The complete electrical diagram can be found in the electrical cubicle. Description You find the correct position for the electrical connection on the Dimension drawings. 1. Provide an isolating switch. 2.

  • Page 75: Pictographs

    Stop the vacuum pump and switch off the voltage before connecting external equipment. Only potential-free contacts are allowed.  LAN control: The vacuum pump is controlled via a local network. Consult Atlas Copco. Vacuum pump status indication The Elektronikon controller is provided with potential-free auxiliary NO contacts (NO = normally open) (K07, K08 and K09) for remote indication of: ...
  • Page 76 Instruction book Designation Reference Switch off the voltage and depressurize the vacuum pump before starting maintenance or Repairs Lightly oil the gasket of the oil filter, screw it on and tighten by hand (approx. half a turn) Warning, hot surface Stop the vacuum pump before cleaning the coolers Warning, voltage Switch off the voltage and wait at least 10 minutes before maintenance...

  • Page 77: Operating Instructions

    Instruction book Operating instructions Initial start-up The operator must apply all relevant Safety precautions. Also consult section Problem solving.  Remove the canopy panel(s) in order to get access to the internal components.  Remove the red transport spacers and the related bolts under element (1) and oil separator tank. ...

  • Page 78: Starting

    Instruction book  The vacuum pump may be remotely controlled.  Check the programmed settings. Consult section Programmable settings.  Close the isolation valve.  Start and run the vacuum pump for a few minutes. Check that the vacuum pump operates normally.

  • Page 79: During Operation

    Instruction book During operation Keep the panels closed during operation When the motors are stopped and LED (8) (automatic operation) is alight, the motors may start automatically. When the automatic operation LED (8) is lit, the regulator is automatically controlling the vacuum pump, i.e.

  • Page 80: Taking Out Of Operation

    Instruction book Checking the display Control panel Elektronikon® Graphic Check the display (2) regularly for readings and messages. The display normally shows the vacuum pump vacuum pressure, while the status of the vacuum pump is indicated by means of a number of icons. Remedy the trouble if alarm LED (7) is lit or flashes, see section Icons used.

  • Page 81: Maintenance

    Service kits For overhauling or carrying out preventive maintenance, service kits are available (see section Service kits). Service contracts Atlas Copco offers several types of service contracts, relieving you of all preventive maintenance work. Consult your Atlas Copco Customer Center. General When servicing, replace all removed O-rings and washers.
  • Page 82 Check the silencer of the vacuum control valve, clean if necessary. (1) Depending on type of application (normal, medium, harsh) this needs to be done more frequently. Consult your Atlas Copco Customer Center. Preventive Maintenance schedule programmed in the Elektronikon for normal applications...
  • Page 83 Contact Atlas Copco if in doubt. Vacuum pumps with optional high water handling capability (humid version) are recommended for use with Atlas Copco vacuum Synthetic fluid only.
  • Page 84 * Whichever comes first Important  Always consult Atlas Copco if a timer setting has to be changed.  For the change interval of oil and oil filter in extreme conditions of temperature, humidity or cooling air, consult your Atlas Copco Customer Center.

  • Page 85: Oil Specifications

    Instruction book Oil specifications It is strongly recommended to use genuine Atlas Copco vacuum Lubricants. They are the result of years of field experience and research. See section Preventive maintenance schedule for the advised replacement intervals and consult your Spare Parts list for part number information.

  • Page 86: Drive Motor

    Instruction book Drive motor Bearing maintenance Attention Never mix greases of different brands or types. Recommended grease: Use 2901 0338.3 Amber Quantity: GHS 350VSD + GHS 350VSD + Turbo 6.9 g (0.24 oz) per bearing GHS 585VSD + GHS 585VSD + Turbo GHS 730VSD + 7.2 g (0.25 oz) per bearing GHS 730VSD + Turbo...

  • Page 87: Oil And Oil Filter Change

    Instruction book Procedure Stop the vacuum pump. Switch off the voltage. Vent the vacuum pump by opening the plug (Ip) on the lit of the air inlet filter. Remove the cover of the air filter (AF and GBF). Remove the filter element. Fit the new element and the cover.
  • Page 88 Instruction book 3. Open the oil drain valve (Do). Hold the oil drain hose (1) downward to drain the oil. 4. Collect the oil in a collector and deliver it to the local collection service. Refit the vent plugs after draining.
  • Page 89 Instruction book  Unscrew the plug (Dp) in the outlet element housing and drain the oil Collect the oil in a collector and deliver it to the local collection service. Refit the vent plugs after draining. 7. Remove filler plug (FC). Fill the oil seperator vessel with oil until the level reaches the top of the oil sight glass.

  • Page 90: Coolers

    Clean with an air jet in the reverse direction to normal flow.  If it is necessary to wash the coolers with a cleaning agent, consult Atlas Copco. After maintenance on the fan and on the coolers: Remove the loose parts that are used as cover.

  • Page 91: Pressure Switch

    Instruction book  Slide the cover (1) of the oil separator tank backwards  Remove the oil separator elements (OS) by turning one quarter counter-clockwise  Clean the seat on the shield. Lubricate the gasket of the new oil separator using vacuum pump oil and screw it into place.

  • Page 92: Service Kits

    Service kits For overhauling and for preventive maintenance, a wide range of service kits is available. Service kits comprise all parts required for servicing the component and offer the benefits of genuine Atlas Copco parts while keeping the maintenance budget low.

  • Page 93: Problem Solving

    Solenoid-valve malfunctioning Replace valve ultimate pressure Membrane of vacuum control Replace membrane valve defect Vacuum pump element out of Consult Atlas Copco order Air consumption exceeds air Check equipment connected delivery of vacuum pump Clogged air filter element Replace the filter...
  • Page 94 If a problem is detected by the converter, a specific code (Main motor converter alarm) will appear on the Elektronikon display, together with a fault code. Below table lists the most important error codes. If another code appears, please contact Atlas Copco. Typical display when the vacuum pump is stopped by a shutdown Shutdown Navigate to the Stop icon or to the Protections icon and press Enter.
  • Page 95 Instruction book Protections General The display shows the problem (Main Motor Converter Alarm) and a fault code (31 in this case). Main Motor Converter Alarm Fault 6996 0227 40...
  • Page 96 Instruction book Fault code Fault Remedy Check supply voltage Check input wiring DC Bus Under voltage (Uv1) (or 60000) Check EMC filter Check supply voltage Check input wiring Control Power Supply Voltage Fault (Uv2) (or 60000) Check EMC filter Check supply voltage Check input wiring Under voltage 3 (Uv3) (or 60000)
  • Page 97 Check back pressure oil separator vessel Overtorque Detection 2 (oL4) Check drive train Check oil injection Dynamic Braking Transistor (rr) Contact Atlas Copco Braking Resistor Overheat (rH) Contact Atlas Copco External Fault at Input Terminal S3 (EF3) Check control wiring...
  • Page 98 Remedy Pullout Detection (Sto) Contact Atlas Copco PG Hardware Fault (PGoH) Contact Atlas Copco MECHATROLINK Watchdog Timer Error (E5) Contact Atlas Copco Check emergency stop Safe Torque Off Check pressure switch Check temperature switch and their wiring PID Feedback Loss (FbH)
  • Page 99 Instruction book Fault code Fault Remedy PWM Feedback Fault (CPF23) Contact Atlas Copco Drive Unit Signal Fault (CPF24) Contact Atlas Copco Terminal Board is Not Properly Connected. Contact Atlas Copco (CPF25) ASIC BB Circuit Error (CPF26) Contact Atlas Copco ASIC PWM Setting Register Error (CPF27)
  • Page 100 Instruction book Fault code Fault Remedy Control Response Selection 1 Error (oFA40) Contact Atlas Copco Drive Timeout Waiting for Response (oFA41) Contact Atlas Copco Control Response Selection 2 Error (oFA42) Contact Atlas Copco Control Response Selection Error (oFA43) Contact Atlas Copco...
  • Page 101 Option Receive Frame Error (oFC16) Contact Atlas Copco Option Receive Abort Error (oFC17) Contact Atlas Copco Encoder Option AD Conversion Error (oFC50) Contact Atlas Copco Encoder Option Analog Circuit Error (oFC51) Contact Atlas Copco Encoder Communication Timeout (oFC52) Contact Atlas Copco...

  • Page 102: Technical Data

    Instruction book Technical data Reading on display Elektronikon® Graphic controller Important The readings mentioned below are valid under the reference conditions (see section Reference conditions and limitations). Reference Reading Vacuum pressure Depends on the setpoint (desired net pressure). element outlet Approx.

  • Page 103: Electrical Cable Size And Fuses

    Instruction book Electrical cable size and fuses Important The voltage on the vacuum pump terminals (3 ph) must not deviate more than 10% of the nominal voltage. The voltage on the vacuum pump terminals (1 ph) must not deviate more than 5% of the nominal voltage.
  • Page 104 Instruction book Vacuum pump specification Itot Imax undervoltage Primary Secondary Primary Secondary Secondary voltage Pump Voltage Freq. Approval Itot Itot Itot Itot autotransform 15,2 16,9 GHS 350 VSD Turbo GHS 350 VSD Turbo 34,9 17,4 38,8 19,4 GHS 350 VSD Turbo 30,3 15,2...
  • Page 105 Instruction book Vacuum pump specification Itot Imax undervoltage Primary Secondary Primary Secondary Secondary voltage Pump Voltage Freq. Approval Itot Itot Itot Itot autotransform IEC/CSA/ GHS 730 VSD Turbo 22,5 28,1 25,0 31,2 max. fuse pack Supply cables UL class K5 CSA Recommended Pump Voltage Freq.
  • Page 106 Instruction book max. fuse pack Supply cables UL class K5 CSA Recommended Pump Voltage Freq. IEC class gL/gC Wire ends HRC from ii cable size (P/FF) GHS 900 VSD end sockets GHS 900 VSD end sockets GHS 900 VSD end sockets GHS 900 VSD end sockets GHS 900 VSD...
  • Page 107 Instruction book Installation method C according to table B.52.1. Single-core or multi-core cable on a wooden wall. Maximum allowed current in function of the ambient temperature for installation method C. Installation method F according table B.52.1. Single-core cables, touching in free air Clearance to wall not less than one cable diameter Maximum allowed current in function of the ambient temperature for installation method F 6996 0227 40...
  • Page 108 Instruction book Calculation method for IEC:  Single supply cables (3 phases + PE - configuration (1)):  Add 10% to the total vacuum pump current (Itot from the tables)  Install the prescribed fuse on each cable  Parallel supply cable (2 x 3 phases + PE - configuration (2)): ...
  • Page 109 Instruction book AWG or kcmil Maximum current < 30 A < 50 A < 65 A < 85 A < 100 A < 115 A < 130 A < 150 A < 175 A < 200 A Calculation method for UL: ...

  • Page 110: Reference Condition And Limitations

    Instruction book Reference condition and limitations Reference conditions Relative humidity °C Air inlet temperature °F mbar(g) Exhaust back pressure mbar(a) 1013 Ambient barometric pressure 14.7 Limitations ºC Minimum ambient temperature ºF °C Maximum ambient temperature (3 ph) °F °C Maximum ambient temperature (1 ph) °F °C Minimum allowable inlet temperature...
  • Page 111 Instruction book GHS 350 VSD Nominal motor power Maximum motor shaft speed 3500 Minimum motor shaft speed Oil capacity US GAL Imp. GAL Oil capacity cu. ft. 0.57 Sound pressure level (according to ISO 2151 (2004)) dB(A) 65 (+/-3) °C Temperature of the air leaving the discharge (approx.) °F GHS 350 VSD...
  • Page 112 Instruction book GHS 350 VSD (option high water handling capacity) Nominal motor power Maximum motor shaft speed 3500 Minimum motor shaft speed Oil capacity US GAL Imp. GAL Oil capacity cu. ft. 0.57 Sound pressure level (according to ISO 2151 dB(A) 65 (+/-3) (2004))
  • Page 113 Instruction book GHS 585 VSD Turbo Nominal motor power Maximum motor shaft speed 6000 Minimum motor shaft speed 3000 Oil capacity US GAL Imp. GAL Oil capacity cu. ft. 0.57 Sound pressure level (according to ISO 2151 dB(A) 73 (+/-3) (2004)) °C Temperature of the air leaving the discharge (approx.)
  • Page 114 Instruction book GHS 730 VSD + Nominal motor power Maximum motor shaft speed 6000 Minimum motor shaft speed Oil capacity US GAL Imp. GAL Oil capacity cu. ft. 0.57 Sound pressure level (according to ISO 2151 dB(A) 73 (+/-3) (2004)) °C Temperature of the air leaving the discharge (approx.) °F...
  • Page 115 Instruction book GHS 730 VSD + Turbo (option high water handling capacity) Nominal motor power Maximum motor shaft speed 7000 Minimum motor shaft speed 4000 Oil capacity US GAL Imp. GAL Oil capacity cu. ft. 0.57 Sound pressure level (according to ISO 2151 dB(A) 76 (+/-3) (2004))

  • Page 116: Technical Data Elektronikon® Controller

    Instruction book Technical data Elektronikon® controller General 24V AC/16 VA 50/60Hz (+40%/-30%) Supply voltage 24V DC/0.7 A IP54 (front) Type of protection IP21 (back) Ambient and temperature condition IEC60068-2 Operating temperature range -10°C..+60°C (14°F..140°F) Storage temperature range -30°C..+70°C (-22°F..158°F) Relative humidity 90% Permissible humidity No condensation Noise emission...

  • Page 117: Instructions For Use

    Instruction book Instructions for use separator vessel Air/oil This vessel can contain pressurised air; this can be potentially dangerous if the equipment is misused. This vessel must only be used as a air/oil separator and must be operated below 0.5 bar(g). No alterations must be made to this vessel by welding, drilling or any other mechanical methods without the written permission of the manufacturer.

  • Page 118: Guidelines For Inspection

    Instruction book Guidelines for inspection Guidelines On the Declaration of Conformity / Declaration by the Manufacturer, the harmonised and/or other standards that have been used for the design are shown and/or referred to. The Declaration of Conformity / Declaration by the Manufacturer is part of the documentation that is supplied with this vacuum pump.

  • Page 119: Declaration Of Conformity

    Instruction book Declaration of conformity 6996 0227 40...
  • Page 120 Instruction book Typical example of a Declaration of Conformity document (1): Contact address: Atlas Copco Airpower n.v. P.O. Box 100 B-2610 Wilrijk (Antwerp) Belgium On the Declaration of Conformity / Declaration by the Manufacturer, the harmonised and/or other standards that have been used for the design are shown and/or referred to.
  • Page 121 Instruction book 6996 0227 40...
  • Page 122 Instruction book 6996 0227 40...
  • Page 124 We make performance stand the test of time. This is what we call - Sustainable Productivity Atlas Copco AB (publ) SE-105 23 Stockholm, Sweden Phone: +46 8 743 80 00 Reg. no: 556014-2720 www.atlascopco.com...

This manual is also suitable for:

Ghs 585 vsd+Ghs 730 vsd+Ghs 900 vsd+Ghs 350 vsd+ turboGhs 585 vsd+ turboGhs 730 vsd+ turbo

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