BUSCH DOLPHIN LG, Instruction Manual

Page 1: ...truction manuals service kits DOLPHIN LG LR Liquid Ring Vacuum Pumps LG 0890 A LG 1200 A LG 1910 A LG 2680 A LR 0700 A LR 1190 A LR 1560 A LR 2200 A Instruction Manual 0870231039 0001_en US Original i...

Page 2: ...onnecting Lines Pipes 11 5 2 1 Suction Connection 12 5 2 2 Discharge Connection 12 5 2 3 Operating Liquid Connection 13 5 3 Operating Liquid Settings 14 5 4 Fitting the Coupling 17 6 Electrical Connec...

Page 3: ...cording to state of the art methods Never theless residual risks may remain as described in the following chapters and in accordance with the chapter Intended Use 7 This instruction manual highlights...

Page 4: ...ons AOUT Alternative side discharge connections IDS Integral discharge separator IN Suction connection MTB Motor terminal box OPI Operating liquid inlet OPO Operating liquid outlet OUT Discharge conne...

Page 5: ...Gland packing drain GV Vacuum gauge HX Heat exchanger ICV Inlet check valve IDS Integral discharge separator IN Inlet LLI Liquid level indicator MKU Makeup OPC Operating liquid control OPD Operating...

Page 6: ...ngement where gas and water leave from the side flange of the vacuum pump and discharge directly into the gutter NOTICE If applying the configuration shown in figure 4 The discharge pressure will rise...

Page 7: ...in compressed and expelled 2 3 Intended Use WARNING In case of foreseeable misuse outside the intended use of the machine Risk of injuries Risk of damages to the machine Risk of damages to the environ...

Page 8: ...The control of the machine is to be provided in the course of installation 2 5 Variants 2 5 1 LG Series DOLPHIN LG s are single stage vacuum pumps and operate from atmospheric pressure to 160 hPa mba...

Page 9: ...loads The crane and slings must be capable of lifting the weight of the pump To find out the weight of the machine refer to the chapter Technical Data 32 or the name plate NP Use appropriate slings Ge...

Page 10: ...a temporary mark on the shaft to assist Replace the coupling guard taking care to align correctly and ensure that all fasteners are re placed and fully tightened Where shaft seal is gland packing loo...

Page 11: ...ly in any other way Make sure that enough space remains for maintenance work Make sure that the machine is placed or mounted horizontally on a flat surface Make sure that the machine is connected to a...

Page 12: ...nection NOTICE Discharge gas flow obstructed Risk of damage to the machine Make sure that the discharged gas will flow without obstruction Do not shut off or throttle the discharge line or use it as a...

Page 13: ...DV K Casing drain plugs Connection sizes Machine type F G H I J K LG 0890 A G2 G1 G1 G G1 G LG 1200 A DN 65 PN 10 DN 25 PN 10 G1 G G1 G LG 1910 A DN 80 PN 10 DN 25 PN 10 G2 G G1 G LG 2680 A DN 80 PN 1...

Page 14: ...14 5 11 2 12 5 9 9 11 5 10 8 14 7 10 3 14 2 9 2 12 6 8 1 11 2 7 2 9 9 7 5 10 8 6 7 10 3 5 9 9 2 5 3 8 1 4 7 7 2 LG 1200 A Speed r min 200 mbar m h 200 400 mbar m h 400 600 mbar m h 600 mbar m h 420 37...

Page 15: ...4 12 1 13 8 10 9 12 4 14 1 19 2 12 5 17 1 11 1 15 2 9 9 13 4 8 9 12 1 7 9 10 9 9 0 14 1 7 9 12 5 7 1 11 7 5 9 9 9 5 7 8 9 5 1 7 9 LR 1560 A Speed r min 200 mbar m h 200 400 mbar m h 400 600 mbar m h...

Page 16: ...ry The table below lists the recommended maximum levels of soluble compounds for use with ma chine in cast iron construction Calcium carbonate mg l ppm 300 PH value 6 5 9 5 Chloride mg l ppm 700 Sulph...

Page 17: ...a machine supplied without a motor Fit a suitable coupling that matches the machine and motor shaft size Make sure that the coupling is sized to withstand the full motor torque Make sure that the coup...

Page 18: ...that the EMC of the machine is compliant with the requirements of your supply net work system if necessary provide further interference suppression EMC of the machine see EU Declaration of Conformity...

Page 19: ...ockable disconnect switch provide it on the power line so that the machine is completely secured during maintenance tasks Provide an overload protection according to EN 60204 1 Connect the protective...

Page 20: ...he motor is defined by the illustration below Watch the fan wheel of the motor and determine the direction of rotation just before the fan wheel stops If the rotation of the motor must be changed Swit...

Page 21: ...shaft sealing loosen the packing gland plate and apply a few drops of oil to the packing for lubricating purpose Ensure external shaft sealing liquid is available to packing gland or double cartridge...

Page 22: ...directions Instead the inflowing liquid hits the surface with high speed This causes erosion which can destroy the machine rapidly The formation of bubbles also deteriorates the pump performance Cavi...

Page 23: ...sk of poisoning Risk of infection If the machine is contaminated with hazardous material Wear appropriate personal protective equipment CAUTION Hot surface Risk of burns Prior to any action requiring...

Page 24: ...ation is high in chapter Troubleshooting 28 Check the operating liquid temperature see Operating Liq uid Connection 13 Check the machine for liquid leaks in case of leaks have the machine repaired con...

Page 25: ...ciency Any dismantling of the machine that goes beyond anything that is described in this manual should be done by Busch authorized technicians In case of the machine having conveyed gas that was cont...

Page 26: ...to any action requiring touching the machine let the machine cool down first Shut down the machine and lock against inadvertent start up Disconnect the power supply Vent the connected lines to atmosph...

Page 27: ...flexible valve plates 2 x 205mm x 5 7mm O rings 0993 700 534 Service kit for LG 1200 A LR 1190 A Intended for standard applications 1 x V 170S V ring 2 x V 190S V rings 2 x 28mm ball valves 2 x flexi...

Page 28: ...iquid The motor is defective Replace the motor Water level too high inside when starting Start with the water level specified Packing gland too tight Loosen the gland adequate ly Belt too tight Loosen...

Page 29: ...operating liquid The mechanical seal leaks Repair the machine contact Busch Partial clogging in the suction discharge or pressure line Remove the blockage If an inlet screen is installed it can be pa...

Page 30: ...e pair it if necessary Belts loose Tighten the belts Suction and discharge piping is too thin Use thicker piping The machine runs too hot Insufficient air ventilation Make sure that the cooling of the...

Page 31: ...2680 A LR 0700 2200 A_EN_en 31 40 Problem Possible Cause Remedy Vibration is high Loose contact between the baseplate and the foundation or the anchor bolts are loose Fill the space with concrete tig...

Page 32: ...speed min 1 330 372 420 472 490 266 298 330 372 420 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturat...

Page 33: ...n 1 236 266 298 330 372 398 197 210 236 266 298 330 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturate...

Page 34: ...1 330 372 420 472 490 266 298 330 372 420 472 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturated 100...

Page 35: ...1 236 266 298 330 372 398 210 236 266 298 330 Noise level EN ISO 2151 dB A 85 Vibration velocity unfiltered RMS mm s in s 4 5 0 18 Max allowable gas inlet tem perature C Gas dry 120 Gas saturated 100...

Page 36: ...tain hazardous substances in electrical and electronic equipment incl all related applicable amend ments and comply ies with the following designated standards that have been used to fulfill those pro...

Page 37: ...tion of the use of certain hazardous substances in Electrical and Electronic Equipment Regulations 2021 and comply ies with the following designated standards that have been used to fulfill those prov...

Page 38: ...38 40 Instruction Manual DOLPHIN LG 0890 2680 A LR 0700 2200 A_EN_en Notes...

Page 39: ...Instruction Manual DOLPHIN LG 0890 2680 A LR 0700 2200 A_EN_en 39 40...

Page 40: ...esence In every country highly competent local personnel delivers custom tailored support backed by a global network of expertise Wherever you are Whatever your business We are there for you Local rep...