Related Manuals for BUSCH COBRA DS 1800 A
Summary of Contents for BUSCH COBRA DS 1800 A
- Page 1 COBRA Dry Screw Vacuum Pumps DS 1800 A, DS 1800 A X Instruction Manual 0870741408 | A0003_en-US | Original instructions 11/14/2023...
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Page 2: Table Of Contents
Table of Contents Table of Contents Preface ................................... Congratulations on your purchase ........................Product Description ............................. COBRA DS 1800 A/A X ............................Use ..................................Operating Principle ............................. 2.3.1 COMBI ..............................2.3.2 Gas Flow Checks ........................... Oil Circuit................................Cooling.................................. Nitrogen System.............................. - Page 3 Table of Contents 6.1.7 Electrical Connection/ Checks ......................Installation ................................6.2.1 Mounting ............................... 6.2.2 Electrical Connection..........................6.2.3 Equipment Connections (with Options)..................... 6.2.4 Connection of Lines/ Pipes ........................6.2.5 Oil Filling ..............................6.2.6 Cooling Liquid Filling..........................6.2.7 Direct Cooling Checking ........................6.2.8 Nitrogen Supply Checking........................
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Page 4: Preface
1 | Preface Preface Congratulations on your purchase Congratulations on your purchase of the Busch vacuum pump. With watchful observation of the field’s requirements, innovation and steady development Busch delivers modern vacuum and pres- sure solutions worldwide. These operating instructions contain information for ●... -
Page 5: Product Description
Product Description | 2 Product Description COBRA DS 1800 A/A X OSG 1 PLCC OSG 2 Description Suction connection Discharge connection Cooling water connections Nitrogen connections Emergency stop button Electrical connections Extracting ventilator Lifting eye bolt Handpad Main switch OSG 1... - Page 6 2 | Product Description TS 2 OSG 4 CWM 1 VSD DGR 1 DGR 2 TS 3 TS 1 OSG 3 Description Cooling liquid drain plug Cooling liquid sight glass Cooling water connections Cooling water flow meter DGR 1 Regulating valve, dilution gas DGR 2 Regulating valve, dilution gas Nitrogen flowmeter...
- Page 7 Product Description | 2 Process Gas Diagram Description Process gas inlet Process gas outlet Cooling water flow meter (CWM) Cooling water regulating valve (CWR) Variable speed drive DP/ MB (VSD) Nitrogen flow meter, dilution gas (FME) Nitrogen pressure reducer (PRV) Magnetic valve (MV), regulating valve with soleneoid valve, dilution gas Regulating valve, dilution gas DP (DGR...
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Page 8: Use
2 | Product Description COBRA NS 0150 / 0160 C Description Inlet Outlet Cooling liquid Cooling water Barrier gas Screw rotors Intake medium Motor klixon PUMA WY 1251 B Description Inlet Outlet Booster lobe Cooling water Motor klixon The COBRA DS vacuum pumps are designed for use in the field of microelectronics and similar in- dustries. -
Page 9: Operating Principle
COMBI The COBRA DS 1800 A X vacuum pumps are a combination of a screw vacuum pump NS 0160 C (DP) and a Booster vacuum pump WY 1251 B (MB). The COBRA DS 1800 A vacuum pumps are a combina- tion of a screw vacuum pump NS 0150 C (DP) and a Booster vacuum pump WY 1251 B (MB). -
Page 10: Oil Circuit
2 | Product Description Oil Circuit Since the complete operating principle works without contact, no oil circuit is needed in the work ar- Cooling The vacuum pump is cooled by: ● the filling of cooling water inside the water chambers (6) of cylinder. The flow of the cooling water is controlled by a thermostatic valve TV with a temperature sensor TS4. -
Page 11: On/ Off Switch
● FME: nitrogen flow rate, dilution ● CWM: cooling water flow rate in motors/ transmission / variable speed drives See "Installation and Maintenance Instructions, Busch PLC and Busch LCD (No. 0870758077)". On/ Off Switch The vacuum pump is delivered with a circuit breaker. The function start/ stop can be done in Local by using the LCD controller or in Remote by the production machine. -
Page 12: Safety
The maintenance instructions must be followed and observed. These installation and maintenance instructions must be read and understood before the vacuum pump is used. If you have any doubts, contact your Busch representative. Safety Information The vacuum pump is designed and manufactured in compliance with the latest technical standards and safety regulations. -
Page 13: Safety Stickers
Safety | 3 NOTE ... indicates helpful tips and recommendations, as well as information for efficient and trou- ble-free operation. CAUTION The COBRA DS system includes provision for the secondary containment of liquids leaks such as water and oil. Safety Stickers COBRA NS 0150 / 0160 C Description Warning! Hot surface! Do not touch! -
Page 14: Noise Emission
3 | Safety COBRA DS 1800 A/A X Noise Emission Refer to the table “Technical data” for the permissible noise levelling free field conditions according to EN ISO 2151. CAUTION The sound level of the vacuum pump within a certain perimeter of the vacuum pump is high. -
Page 15: Lock Out/ Tag Out Procedure (Type 1 Of Electrical Work)
Safety | 3 Type 3 Equipment is energized. Energized circuits are exposed and inadvertent contact with uninsulated energized parts is possible. Potential exposures are no greater than 30 volts rms, 42.4 volts peak, 60 volts dc or 240 volt-amp in dry locations. Type 4 Equipment is energized. -
Page 16: Seismic Zone Installation
3 | Safety Seismic Zone Installation Upon receipt, the vacuum pump is fixed on the transport pallet with two brackets. ● Convey the vacuum pump to its final location with a pallet truck before removing it from its sup- port. ●... -
Page 17: Information Over The Lubricants
WY 1251 B Oil quantity (Liter) 1,7 / 1,7 Oil type Busch YLC 250 B, Art. No. 0831 131 400 (0,5 l ≈ 1 kg) ● Replacement: After 5000 h (see “Maintenance Schedule [➔ 38]”). 3.8.2 Cooling Liquid Cooling liquid filling... -
Page 18: Transport
4 | Transport Transport The COBRA DS vacuum pumps are tested and checked in our factory before careful packing. Check the packaging for transport damage when the goods arrive. The vacuum pump can withstand tem- peratures between -25°C and +55°C during transport. Transport in Packed State Packed on a pallet, the vacuum pump can be moved with a hand forklift truck. - Page 19 Transport | 4 In case the vacuum pump was bolted to a pallet with fixing bolts: ● Unscrew the fixing bolts in the base frame. CAUTION In case of a vacuum pump filled with oil, make sure that by lifting the inclination angle of the vacuum pump do not exceed 5°...
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Page 20: Storage
5 | Storage Storage Temporary Storage ● Make sure that the intake and exhaust flanges are closed (put on the protective caps included in the delivery package of the vacuum pump) ● Store the vacuum pump: ● if possible, the vacuum pump should be stored in its original packaging, ●... -
Page 21: Installation And Commissioning
Installation and Commissioning | 6 Installation and Commissioning Installation Prerequisites CAUTION In case of non-compliance with the installation prerequisites, particularly in case of insuffi- cient cooling: Risk of damage or destruction of the vacuum pump and its components! Risk of personal injury! The installation prerequisites must be complied with. - Page 22 6 | Installation and Commissioning NOTE 1° (german degree = 1° dGH) = 1,78° (french degree) = 1,25 e (english degree) = 17,9 mg/kg Ca- CO3 (american hardness). ● Make sure that the cooling water is neutral and clean. ● Make sure that the cooling water outlet is unpressurised. ●...
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Page 23: Dimensional Drawing
Installation and Commissioning | 6 6.1.2 Dimensional Drawing Description Power connector Nitrogen inlet 1/4'' Pressure regulator Pressure gauge Cooling water outlet 3/8'' Cooling water inlet 3/8'' Inlet DN 160 ISO-K Outlet DN 40 ISO-KF Emergency stop Control box (removeable) Interrupter main Remote Control (moveable) D-sub 50P female Ventilating duct, diameter: 50.8... -
Page 24: Discharge Connection
– DN 160 ISO-K In the case of long intake lines, the line cross-section should be larger than the intake flange to pre- vent a drop in the performance of the vacuum pump. If you have any doubts, contact your Busch representative. -
Page 25: Cooling Water Connection
● Make sure that an overload cut-out according to EN 60204-1 is provided for the motor. ● Make sure that the drive of the vacuum pump is not disturbed by any electric or electromagnetic interferences. If you have any doubts, contact your Busch representative. Installation 6.2.1... -
Page 26: Electrical Connection
6 | Installation and Commissioning 6.2.2 Electrical Connection WARNING Risk of electrocution, risk of damage. Electrical installation must be performed by a suitably qualified electrician who knows and fol- lows the following regulations: ● IEC 364 or CENELEC HD 384 or DIN VDE 0100, ●... - Page 27 Installation and Commissioning | 6 6.2.2.2 Power Connector on Rear Side Description Pump side Phase L1 (Pump side) Phase L2 (Pump side) Phase L3 (Pump side) Ground (Pump side) Mating connectors Phase 1 (Mating connectors) Phase 2 (Mating connectors) Phase 3 (Mating connectors) Ground (Mating connectors) ●...
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Page 28: Equipment Connections (With Options)
Interface connection (50 poles) / PID In- Monitoring System - Option) terface The information concerning the use of the Busch PLC and the Busch LCD can be found in the Opera- tion and Maintenance manual (Art. No. 0870758077). 6.2.4 Connection of Lines/ Pipes ●... - Page 29 Installation and Commissioning | 6 6.2.5.1 COBRA NS 0150 / 0160 C Oil Filling Description Oil fill plug B-side (OFP) OIl sight glass (OSG) Oil drain plug (ODP) Oil fill plug A-side (OFP) Oil sight glass (OSG) Oil drain plug (ODP) ●...
- Page 30 6 | Installation and Commissioning 6.2.5.2 PUMA WY 1251 B Oil Filling Description Oil fill plug (OFP) Oil fill plug (OFP) Oil sight glass (OSG) Oil drain plug (ODP) Oil sight glass (OSG) Oil drain plug (ODP) NOTE The quantity of oil specified in the installation handbook is of informative nature only. Check the oil level with the help of the various oil sight glasses (OSG1,2,3,4) on the vacuum pump.
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Page 31: Cooling Liquid Filling
Installation and Commissioning | 6 NOTE It is easier to switch on the vacuum pump with cold oil when the intake line is not closed or when the intake flange is not covered by a rubber plate. ● Start the vacuum pump. If the intake line is equipped with a shut-off device: ●... - Page 32 6 | Installation and Commissioning Cooling liquid filling NS 0150 / 0160 C Cooling liquid quantity (Liter) 4 liters Cooling liquid type Glycol (Ethylene), Art. No. 0831 563 469, Zitrec M-25 (already mixed ready-to-use) 6.2.6.1 COBRA NS 0150 / 0160 C Cooling Liquid Filling NOTE The quantity of cooling liquid specified in the installation handbook is of informative nature only.
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Page 33: Direct Cooling Checking
Installation and Commissioning | 6 ● Remove the rubber plate from the intake flange and connect the intake line to the intake flange. 6.2.7 Direct Cooling Checking The flow of the cooling water is checked by the flow meter CWM. The flowmeter must be connected in such a way that switching-on leads to a warning at 2 l/min, when the flow drops below 1,5 l/min, the vacuum pump must be stopped. - Page 34 6 | Installation and Commissioning The vacuum pump is intended for use in a potentially non-explosive environment. ● Make sure that the maximum permissible number of starts does not exceed 6 starts per hour. Those starts should be spread within the hour. As far as temperature is concerned, the pump is suitable for continuous duty at any pressure be- tween atmosphere and ultimate pressure.
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Page 35: Switching The Vacuum Pump On/ Off
Installation and Commissioning | 6 The following must be noted when the vacuum pump is shut down for a longer period of time: CAUTION If there is a risk of frost, all the cooling water must be drained out of the vacuum pump if the pump is shut down for a longer period of time! ●... - Page 36 6 | Installation and Commissioning 6.3.2.2 Switching the System Off If the system is equipped with a solenoid gate valve at the intake: ● Close the solenoid gate valve. ● Switch off the vacuum pump. ● Shut off the nitrogen supply. ●...
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Page 37: Maintenance
Maintenance | 7 Maintenance DANGER Live wires. Risk of electrical shock. ● Electrical installation work must only be executed by qualified personnel. DANGER In case the vacuum pump has conveyed gases that have been contaminated with foreign ma- terials that are dangerous to health, the oil and condensates will also be contaminated. These foreign materials can infiltrate the pores, recesses, and other internal spaces of the vac- uum pump. -
Page 38: Maintenance Schedule
7 | Maintenance ● Stop the pump with the LCD control (press on STOP button during 10s). ● Press on emergency stop button. ● Switch off the main circuit breaker. ● Switch off the customer’s power supply. ● Switch off the water and nitrogen quick connections (inlet first, then outlet). ●... - Page 39 (contact Busch). ● Check the vacuum pump for cooling liquid leaks - in case of leaks have the vacuum pump repaired (contact Busch). ● Check the vacuum pump for cooling water leaks - in case of leaks have the vacuum pump repaired (contact Busch).
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Page 40: Lock Out/ Tag Out Procedure
7 | Maintenance Interval Maintenance work Every 16000 hours or after 4 ● Change the oil of the gear and bearing housings (both years sides), see “Oil Change [➔ 42]”. ● Have a major overhaul on the vacuum pump (contact Bus- ch). -
Page 41: Oil Refilling
NOTE Oil does not normally have to be refilled outside the recommended oil change intervals. A drop in the oil level indicates a fault (see "Alarms and warnings -> Busch PLC and Busch LCD"). CAUTION Only fill in oil through the oil filler opening. -
Page 42: Oil Color Inspection
If the oil becomes dark or looks different from the initial color: ● Change the oil immediately, see Oil Change. You can consult your Busch representative in order to find out why this color change has occurred. 7.2.4 Oil Change... - Page 43 Maintenance | 7 ● Drain the oil. ● Because of wear and tear on the seals replace the current drain plugs with new ones. When the oil flow has stopped: ● Close the oil drain plugs (ODP). ● Switch on the vacuum pump for a few seconds. ●...
- Page 44 7 | Maintenance ● Make sure that the drain plugs have been fitted properly and that they do not leak. CAUTION Only fill in oil through the oil filler opening. ● Make sure that the vacuum pump has been switched off and that it cannot be switched on again accidentally.
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Page 45: Cooling Liquid Checking
Maintenance | 7 Oil level, pump not operating ● Fill up to the upper level of the target circle of the oil sight glasses (OSG). ● Make sure that the oil level still lies in the target circle of the oil sight glasses. ●... -
Page 46: Cooling Liquid Draining
7 | Maintenance 7.3.3 Cooling Liquid Draining ● Make sure that the vacuum pump has been switched off and that it cannot be switched on again accidentally. ● Make sure that the vacuum pump has adjusted to atmospheric pressure. ● Place a container under the drain plug (CLD) for the cooling liquid. ●... -
Page 47: Additional Checking
Maintenance | 7 ● Open the shut-off device. If the inlet line is not equipped with a shut-off device: ● Remove the rubber plate from the inlet flange and connect the inlet line to the inlet flange. ● Wipe cooling liquid that may have run on outside surfaces of vacuum pump. ●... -
Page 48: Overhaul
● Decontaminate the machine as much as possible and state the contamination status in a ‘Dec- laration of Contamination’. Busch will only accept machine accompanied by a signed, fully completed and legally binding "decla- ration of contamination", downloadable from the following link: buschvacuum.com/declaration-of- contamination. -
Page 49: Removal From Service
Removal from Service | 9 Removal from Service DANGER Live wires. Risk of electrical shock. ● Electrical installation work must only be executed by qualified personnel. CAUTION Hot surface. Risk of burns! ● Before doing anything that requires touching the machine, let it cool down first. Temporary Removal from Service Before disconnecting the intake and exhaust lines and switching off the cooling water and nitrogen lines, make sure that the lines have adjusted to atmospheric pressure. -
Page 50: Dismantling And Disposal
9 | Removal from Service Dismantling and Disposal DANGER In case the vacuum pump has conveyed gases that have been contaminated with harmful for- eign material which are harmful to health, the oil and the condensates will also be contami- nated with harmful foreign material. -
Page 51: Spare Parts
Risk of premature failure! Loss of efficiency! ● The exclusive use of Busch genuine spare parts and consumables is recommended for the correct functioning of the machine and to validate the warranty. There are no standard spare parts kits available for this product. -
Page 52: Troubleshooting
Busch). Solid foreign matter has en- ● Remove the solid foreign tered the machine. matter or repair the ma- chine (contact Busch). ● Install an inlet filter if neces- sary. A temperature sensor has ● Let the machine cool down. - Page 53 Oil Change. The machine runs too hot. ● See problem "The machine runs too hot". For resolution of problems not listed in the troubleshooting table, please contact your Busch repre- sentative. Instruction Manual COBRA DS 1800 A_A_X_EN_en_DRAFT 01 53 | 60...
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Page 54: Oil Type/ Quantity
12 | Oil Type/ Quantity Oil Type/ Quantity 12.1 Oil Type Make sure that the oil type corresponds to specifications: YLC 250 B ISO-VG Oil Type Synthetic Part number 0.5 L packaging 0831 131 400 Part number 1 L packaging 0831 108 878 Part number 5 L packaging 0831 108 879 CAUTION... -
Page 55: Cooling Liquid Type/ Quantity
Cooling Liquid Type/ Quantity | 13 Cooling Liquid Type/ Quantity 13.1 Cooling Liquid Type Make sure that the Cooling Liquid type corresponds to specifications: Zitrec M-25 (ready-to-use) Part number 25 L packaging 0831 563 468 Part number 5 L packaging 0831 563 469 The cooling liquid Zitrec M-25 is ready-to-use and does not require additional water. -
Page 56: Technical Data
14 | Technical Data Technical Data DS 1800 A DS 1800 A X Nominal pumping speed m³/h 1700 1700 Ultimate pressure TORR 0.00225 0.00225 hPa (mbar) 0.003 0.003 Nominal motor rating 4.0 / 4.4 / 4.4 ( / 50 /60/ 90 5.5 / 6.6 backing pump Hz ) -
Page 57: Eu Declaration Of Conformity
EU Declaration of Conformity This Declaration of Conformity and the CE-markings affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Decla- ration of Conformity is issued under the sole responsibility of the manufacturer. -
Page 58: Uk Declaration Of Conformity
UK Declaration of Conformity This Declaration of Conformity and the UKCA-markings affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Dec- laration of Conformity is issued under the sole responsibility of the manufacturer. - Page 59 N otes Notes Instruction Manual COBRA DS 1800 A_A_X_EN_en_DRAFT 01 59 | 60...
- Page 60 With a network of over 60 companies in more than 40 countries and agencies worldwide, Busch has a global presence. In every country, highly competent local personnel delivers custom-tailored support backed by a global network of expertise. Wherever you are.