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L-SERIES FRAME 3

BASE MOUNTED COMPRESSOR

Original User and Service Manual

MODELS

L30-45E

40, 50, 60 HP

LRS30-45E

30, 37, 45 kW

13-25-637

Version 02

January 20, 2020

Содержание L30-45E

Страница 1: ...L SERIES FRAME 3 BASE MOUNTED COMPRESSOR Original User and Service Manual MODELS L30 45E 40 50 60 HP LRS30 45E 30 37 45 kW 13 25 637 Version 02 January 20 2020...

Страница 2: ...e the compressors are serviced New and edited publications can be obtained from your local Gardner Denver distributor or service center In any communication concerning the compressor it is essential t...

Страница 3: ...ctions will result in economical operation and minimum downtime Boxed text formats are used within this manual to alert users of the following conditions Safety Labels are used within this manual and...

Страница 4: ...at the system terminal strip of the frequency converter by measuring this between the DC and DC terminals the exact position can be found in the supplied operating manual of the frequency converter b...

Страница 5: ...with open doors or loose access panels Read the operator s manual before proceeding withthis task Opening pressure relief valve xx bar value xx see sticker on compressor Handle package at forklift poi...

Страница 6: ...13 25 637 v02 Page 5 Fig 1 Your Gardner Denver distributor Name Address Telephone Fax Contact Spare Parts Service...

Страница 7: ...t operating conditions Service If you encounter a fault or require spare parts please contact your Gardner Denver representative Trained expert staff will quickly and properly make repairs with genuin...

Страница 8: ...equipment station or installing components which have not been approved by the manufacturer e g separator will result in the loss of the CE mark or other factory certifications As a consequence all l...

Страница 9: ...hine 18 5 Design and functioning 19 5 1 Design of the unit 19 5 2 System Schematic 20 5 3 Oil circuit 21 5 4 Air circuit 21 5 5 System control 21 5 5 1 Manner of operation of the suction regulator 23...

Страница 10: ...ilter cartridge 39 10 6 Changing the fine oil separator 40 10 7 Change of air intake filter 41 10 8 Pressure relief valve 42 10 9 Connecting terminals in the switch cabinet 43 10 10 Screw connections...

Страница 11: ...at only authorized personnel use the machine Define who is responsible for operating the machine and authorize him her to ignore instructions from third parties if these instructions could compromise...

Страница 12: ...at this safety device should be used for pressures above 60 PSI The steel wire has a diameter of 0 315 and is firmly clamped to the hose at least every 20 Both ends should be fitted with cable lugs Do...

Страница 13: ...it up make sure that nobody can be injured by the machine installation as it starts up Compressed air may contain substances that may damage your health if inhaled The compressed air produced by these...

Страница 14: ...tem must carry a clearly visible sign with the following note Attention This installation is operated by remote control and can start up without prior warning As an additional safety measure persons w...

Страница 15: ...l for the lifting tackle When heavy loads are being conveyed by means of hoisting gear it is imperative to keep well clear of the load in order to avoid accidents The person giving the instructions mu...

Страница 16: ...aintenance Danger Safety measure required Components important to safety wear over time Observe the setting maintenance and inspection work and intervals stipulated in the operating manual including i...

Страница 17: ...d or attach a warning sign to the main switch Variable speed only Danger of electric shock from loaded condensers Always first disconnect the system from the power supply and wait another 10 minutes b...

Страница 18: ...rotected from the ingress of water steam or detergents for safety and or functional reasons in particular electric motors and switch cabinets After cleaning remove the covers masking completely Modifi...

Страница 19: ...d special accessories not supplied by the manufacturer are not approved by Gardner Denver Installing or using such products will adversely affect active and or passive safety The manufacturer accepts...

Страница 20: ...13 Minimum Pressure Valve Non Return Valve 14 Air Cooler 15 Fine Oil Separator Extraction 16 Oil Temperature Regulator 17 Cooling Fan 18 Cool Air Inlet Filter 19 Compressed Air Outlet 20 Base Frame 21...

Страница 21: ...filter monitor S5 11 Oil filter 12 Oil cooler 13 Throttle 14 Non return valve 15 Minimum pressure and non return valve 16 Compressed air after cooler 18 Final compression pressure sensor B2 19 Control...

Страница 22: ...the intake air is cooled via the injected oil The developed air oil mixture flows tangentially into the pressure reservoir oil reservoir 6 After pre separation and subsequent fine separation by the se...

Страница 23: ...unning in the offload mode The cooling air ventilator 26 is switched on or off in dependence upon the final compression temperature When the pressure at the network pressure sensor 13 B1 does not fall...

Страница 24: ...the actuator The suction regulator valve opens the lower control chamber is bled through the pipe 22 by the solenoid valve 7 Y1 Fig 4 Idling mode As soon as mains pressure has been attained both sole...

Страница 25: ...n 4 5 of the user manual Never lift the compressor by or tie onto its enclosure A suitable fork lift which complies with local safety regulations must be used when lifting the compressor The fork leng...

Страница 26: ...this heat into the surroundings Proper ventilation has a considerable effect on the service life and the performance of a compressor Once the compressor has been installed the R clips 1 Fig 7 can be...

Страница 27: ...red by these screw compressors is as follows L30 2296 cfm L30RS 2296 cfm L37 2755 cfm L37RS 2755 cfm L45 3073 cfm L45RS 3073 cfm If conditions are not favorable we recommend the installation of ventin...

Страница 28: ...nnection 2 Thread identification of compressed air connection The compressed air line system is connected at the compressed air supply of the screw compressor 1 Fig 11 For this you should use a flexib...

Страница 29: ...switch cabinet and tighten screws Connect the supply line to the connecting terminals as shown in the circuit diagram Fig 13 Only for L30RS L45RS There is a risk of electric shock from charged capaci...

Страница 30: ...g the oil level gauge on the pressure reservoir 2 Fig 14 The oil level must lie between the maximum oil level 3 Fig 14 and minimum oil level 4 Fig 14 marks on the oil gauge If required top up oil Use...

Страница 31: ...an be found in the compressor controller operating manual Temporarily remove the panel in order to check the direction of rotation See 1 Fig 15a for the prescribed direction of rotation of the drive m...

Страница 32: ...ake 2 Cooling air outlet 3 Arrow direction of rotation for compressor direction of rotation may deviate from this representation Fig 15b 1 Drive motor direction with direct drive Temperature start up...

Страница 33: ...7 4 Open shut off valves between the screw compressor reservoir and pipe Turn on the main power supply switch After the power supply was switched on the compressor controller will boot to the home sc...

Страница 34: ...Y STOP button After shutdown the compressor has a run on time of 30 50 seconds soft stop 8 7 Emergency stop The EMERGENCY STOP button is situated next to the compressor controller It is used to immedi...

Страница 35: ...ompressors are to be stored for period exceeding six months additional precautions must be taken Compressors which are to be shut down for a lengthy period must also be protected from corrosion Since...

Страница 36: ...hange interval by performing oil analysis In the case of a very dirty atmosphere the cleaning intervals have to be shortened as required For order numbers see the spare parts list WARNING High voltage...

Страница 37: ...ually check for leakage on the shaft seal replace as required See the parts lists for the kit part number and for the tool kit part number The tool kit is required to change the oil seal If the oil se...

Страница 38: ...perature Check control panel for advisory text messages Inspect Clean if necessary Cooler Fan Replace oil filter element Replace air filter element Oil Sample Replace cool air inlet filter pad Control...

Страница 39: ...s 96 months 32000 hours 102 months 34000 hours 108 months 36000 hours 114 months 38000 hours 120 months 40000 hours Air oil under pressure will cause severe personal injury or death Shut down the comp...

Страница 40: ...r approximately 2 minutes Check for leaks Shut off the screw compressor Wait at least 5 minutes until the oil has settled i e until the air has bubbled out Check the oil level see Section 7 4 The oil...

Страница 41: ...the screw compressor unit run for approx 2 minutes Check for leaks Check the oil level see Section 7 4 If necessary top up the oil Changing times for oil filter cartridges Operating conditions e g co...

Страница 42: ...eratures the type of operation and the quality of the intake air e g dust content ratio of gaseous foreign substances such as SO2 and solvent vapors have a strong influence on the filter lifespan air...

Страница 43: ...ir filter as follows Pull snap latch outward and remove housing base Detach air filter cartridge while slightly turning it Carefully insert new air filter cartridge in the housing Close air filter wit...

Страница 44: ...fective pressure relief valve may result in pressure that is too high breaking open parts of the system and causing serious or fatal injury Never operate a screw compressor system with a defective pre...

Страница 45: ...change filter with cool air intake and switch cabinet inlet Fig 24 1 Filter mat cool air intake 2 Mounting bolts 3 Sound proofing element 4 Inlet Filter L30RS L45RS only Perform filter mat change as f...

Страница 46: ...side A Fig 26 of the filter pad faces the air inlet side Place the louver grille back onto the filter housing Changing times for the filter mat The operating modes and the quality of the suctioned ai...

Страница 47: ...ype first completely drain the old oil from the oil circuit If operating temperatures are constantly above 95 F divide the oil change intervals given in Section 10 3 Maintenance schedule by half The e...

Страница 48: ...ns pressure has fallen below the lower switching point Unit stops during the 1 start up phase Suction regulator only closes part way pressure builds up too quickly in the pressure reservoir 1 Make the...

Страница 49: ...discharge 2 Check the suction regulator and solenoid valve Oil in the compressed air 1 Fine oil separator is defective 1 Replace the fine oil separator cartridge 2 Oil foams 2 Replace the oil 3 Oil le...

Страница 50: ...plan Fig 27 all dimensions in mm A Compressed air connection Canada USA version male pipe thread NPT 1 11 B Cool air intake C Cool air outlet D Feed cable entry E Center of gravity F Control cabinet...

Страница 51: ...13 25 637 v02 Page 50 Fig 28 all dimensions in mm Lifting Slots...

Страница 52: ...For additional information contact your local representative or visit www contactgd com compressors 2020 Gardner Denver Inc Printed in U S A...

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