BUSCH R5 RA 0400 C Instruction Manual
Oil-lubricated rotary vane vacuum pumps
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Summary of Contents for BUSCH R5 RA 0400 C
- Page 1 Oil-Lubricated Rotary Vane Vacuum Pumps RA 0400 C, RA 0502 C, RA 0630 C, RA 0840 A ECOTORQUE RC 0400 C, RC 0502 C, RC 0630 C Instruction Manual 0870569645 | -0011_en-US | Original instructions 2024/11/27...
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Page 2: Table Of Contents
Table of Contents Table of Contents Safety ..................................Product Description ............................. Operating Principle ............................. Intended Use ............................... Start Controls............................... Accessories................................2.4.1 Temperature Switch "Gas" ........................2.4.2 Gas Ballast Valve........................... 2.4.3 Inlet Filter .............................. 2.4.4 Temperature Switch "Oil" ........................2.4.5 Resistance Thermometer “Oil”......................2.4.6 Level Sensor / Level Switch ......................... - Page 3 Table of Contents 10.1 Dismantling and Disposal ..........................Spare Parts ................................Troubleshooting ..............................Technical Data ..............................Oil ................................... EU Declaration of Conformity ..........................UK Declaration of Conformity..........................Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 3 | 48...
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Page 4: Safety
1 | Safety Safety Prior to handling the machine, this instruction manual should be read and understood. If anything needs to be clarified, please contact your manufacturer representative. Read this manual carefully before use and keep for future reference. This instruction manual remains valid as long as the customer does not change anything on the product. -
Page 5: Product Description
Product Description | 2 Product Description RA/RC 0400 C / RA/RC 0502 C RA/RC 0400 C (50 Hz) / RA/RC 0630 C RA/RC 0400 C (60 Hz) / RA/RC 0502 C RA/RC 0630 C Description Inlet connection Discharge connection Axial fan Air-oil heat exchanger Directional arrow Eye bolt... -
Page 6: Operating Principle
The machine is intended for placement in a non-potentially explosive environment. The machine is designed for indoor installations. For outdoor installations, consult your Busch repre- sentative for special precautions. The machine is capable of maintaining ultimate pressure, see Technical Data. -
Page 7: Accessories
Product Description | 2 Accessories ● Refer to the following table to find out which accessory is standard or optional on R5 RA-RC 0400-0630 C and R5 RA 0840 A ECOTORQUE: Accessory R5 RA-RC 0400-0630 C R5 RA 0840 A ECOTORQUE Temperature switch "Gas"... -
Page 8: Inlet Pressure Transmitter
The machine can be equipped with an ECOTORQUE Variable Speed Drive (VSD). An ECOTORQUE vari- able speed drive increases the pumping speed of the machine and saves energy. For more informa- tion contact your Busch representative. 8 | 48 Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en... -
Page 9: Transport
Transport | 3 Transport WARNING Suspended load. Risk of severe injury! ● Do not walk, stand, or work under suspended loads. WARNING Lifting the machine using the motor eye bolt. Risk of severe injury! ● Do not lift the machine using the eye bolt fitted to the motor. Only lift the machine as shown. NOTICE In case the machine is already filled with oil. -
Page 10: Storage
If the machine is to be stored for more than 3 months: ● Carefully drain all the oil from the machine. ● Add, via the inlet connection (IN) and per small quantities, liters of conservation oil, BUSCH part no. 0831 570 966 (5-liter packaging). -
Page 11: Installation
Installation | 5 Installation Installation Conditions NOTICE Use of the machine outside of the permitted installation conditions. Risk of premature failure! Loss of efficiency! ● Make sure that the installation conditions are fully respected. Description ~100 cm ~50 cm ~100 cm ~50 cm ●... -
Page 12: Connecting Lines / Pipes
Depending on the specific configuration ordered, other connection dimensions may apply. If the machine is used as part of a vacuum system: ● Busch recommends the installation of an isolation valve to prevent the oil from flowing back to the vacuum system. -
Page 13: Discharge Connection
Installation | 5 5.2.2 Discharge Connection CAUTION The discharge gas contains small quantities of oil. Risk to health! If air is discharged into rooms where persons are present: ● Make sure that sufficient ventilation is provided. NOTICE Discharge gas flow obstructed. Risk of damage to the machine! ●... -
Page 14: Cooling Water Connection (Optional)
5 | Installation 5.2.3 Cooling Water Connection (Optional) Description Water-oil heat exchanger without inlet Water-oil heat exchanger with inlet ac- accessories cessories Description Cooling water inlet Pressure switch Cooling water outlet Water bypass valve Water-oil heat exchanger Water filter Thermostatic valve Solenoid valve The thermostatic valve (TV) is used to control the water flow in order to keep a stable machine tem- perature. -
Page 15: Filling Oil
Installation | 5 ● If necessary, electrically connect the solenoid valve (MV). ● Make sure that the cooling water complies with the following requirements: Min. supply capacity l/min Water pressure bar (g) 2 ... 6 Supply temperature °C +5 ... +35 Required pressure differential across supply ≥... -
Page 16: Fitting The Coupling
5 | Installation Fitting the Coupling NOTE Radial screw. For trouble-free operation, use thread locking glue to secure the radial screw. Description Coupling hub (machine side) Coupling sleeve Coupling hub (motor side) Radial screw / max. admissible torque: 17Nm 16 | 48 Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en... - Page 17 Installation | 5 Machine type Coupling size Value “E” (mm) Value “L” (mm) RA/RC 0400 C RA/RC 0502 C BoWex ® M-65 RA/RC 0630 C RA 0840 A ECOTORQUE In case of a machine delivery without motor: ● Fit the second coupling hub on the motor shaft (separately delivered). ●...
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Page 18: Electrical Connection
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of a defective insulation. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. -
Page 19: Machine Delivered Without Control Box Or Variable Speed Drive (Vsd)
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of a defective insulation. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. -
Page 20: Machine Delivered With A Variable Speed Drive (Option)
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of a defective insulation. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation. -
Page 21: Wiring Diagram Three-Phase Motor
Electrical Connection | 6 Wiring Diagram Three-Phase Motor NOTICE Incorrect direction of rotation. Risk of damage to the machine! ● Operation in the wrong direction of rotation can destroy the machine in a short time! Prior to start-up, ensure that the machine is operated in the right direction. ●... -
Page 22: Electrical Connection Of The Monitoring Devices
The electrical connection of the monitoring devices fitted as standard on the machine (not op- tional) is mandatory to ensure the safety of the machine and the users. NOTE To prevent potential nuisance alarms, Busch recommends that the control system is config- ured with a time delay of at least 20 seconds. 6.5.1 Wiring Diagram Temperature Switch "Gas"... -
Page 23: Wiring Diagram Level Switch (Optional)
Electrical Connection | 6 1 = Brown; 2 = White; 3 = Blue; 4 = Black 6.5.2 Wiring Diagram Level Switch (Optional) Part no.: 0652 567 576 Connector: M12x1, 4-pin Electrical data: U = 10 – 30 V DC; I consumption: <15 mA; I output max: 150 mA Switch point: Pin 1 = low level 1 = Brown: Supply +24V DC;... -
Page 24: Wiring Diagram Resistance Thermometer (Optional)
6 | Electrical Connection 6.5.4 Wiring Diagram Resistance Thermometer (Optional) Part no.: 0651 566 842 Connector: M12x1, 4-pin Electrical data: U = 10 … 35 VDC; 4 ... 20 mA ► 0 ... 150 °C Warning / trip signals: see Oil [➔ 43] 1 = Brown;... -
Page 25: Wiring Diagram Pressure Switch Of Water-Oil Heat Exchanger (Optional)
Electrical Connection | 6 6.5.7 Wiring Diagram Pressure Switch of Water-oil Heat Exchanger (Optional) Part no.: 0653 000 002 Electrical data: U = 230 VAC; I = 1 A; U = 24 … 100 VDC; I = 0.5 … 2 A Contact: Normally open Switch point: P = 2 bar (relative) ►... -
Page 26: Commissioning
7 | Commissioning Commissioning CAUTION During operation the surface of the machine can reach temperatures over 70°C. Risk of burns! ● Avoid contact with the machine during and directly after operation. CAUTION Noise of running machine. Risk of damage to hearing! If people are present in the vicinity of a machine that is not insulated from noise for extended peri- ods of time: ●... -
Page 27: Conveying Condensable Vapors
Commissioning | 7 Conveying Condensable Vapors CAUTION Venting the machine. The discharged gases and/or liquids may reach temperatures above 70°C! Risk of burns! ● Avoid direct contact with the flow of gases and/or liquids. CAUTION Noise of running machine. Risk of damage to hearing! If people are present in the vicinity of a machine that is not insulated from noise for extended peri- ods of time: ●... -
Page 28: Maintenance
Risk of injuries! Risk of premature failure and loss of efficiency! ● Maintenance work must only be executed by qualified personnel. ● Respect the maintenance intervals or ask your Busch representative for service. NOTICE Using inappropriate cleaners. Risk of removing safety stickers and protective paint! ●... -
Page 29: Maintenance Schedule
Maintenance | 8 ● Stop the machine and lock it to prevent accidental start-up. ● Vent the connected lines to atmospheric pressure. Version with water-oil heat exchanger: ● Turn off the water supply. If necessary: ● Disconnect all connections. If the machine is equipped with a variable speed drive: DANGER Live wires. -
Page 30: Oil Level Inspection
● Contact Busch for an inspection. Every 5 years If required, overhaul the machine. * Service interval for synthetic oil, shorten the interval when using mineral oil, contact Busch Service Oil Level Inspection ● Stop the machine. ● Wait 1 minute. - Page 31 Maintenance | 8 For oil type and oil capacity see Technical Data and Oil [➔ 43]. Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 31 | 48...
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Page 32: Exhaust Filter Change
8 | Maintenance Exhaust Filter Change 32 | 48 Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en... -
Page 33: Air Heat Exchanger Cleaning
Maintenance | 8 21 Nm Description Make sure the O-ring is in place before refitting the exhaust filter Air Heat Exchanger Cleaning ● Use compressed air and wear protective eyewear and mask. RA/RC 0400 C (60 HZ) / RA/RC 0502 C RA/RC 0630 C Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 33 | 48... -
Page 34: Overhaul
9 | Overhaul Overhaul WARNING The machine is contaminated with hazardous material. Risk of poisoning! Risk of infection! If the machine is contaminated with hazardous material: ● Wear appropriate personal protective equipment. NOTICE Improper assembly. Risk of premature failure! Loss of efficiency! ●... -
Page 35: Decommissioning
Decommissioning | 10 Decommissioning 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. CAUTION Hot liquids. -
Page 36: Spare Parts
NOTICE Use of non-Busch genuine spare parts. Risk of premature failure! Loss of efficiency! ● Use only Busch genuine spare parts, consumables and supplies to ensure correct operation of the machine and to validate the warranty. Spare parts kit Description Part no. -
Page 37: Troubleshooting
Troubleshooting | 12 Troubleshooting DANGER Live wires. Risk of electrical shock! ● Electrical installation work must only be executed by qualified personnel. DANGER Live wires. Carry out any work on the variable speed drive and motor. Risk of electrical shock! ●... - Page 38 The float valve (FV) does not ● Check the float valve and work properly. the oil return line, repair if necessary (contact Busch). Abnormal oil consumption. Oil leaks. ● Replace seals (Contact Bus- ch). The float valve (FV) does not ●...
- Page 39 (GB). ● Modify the operational mode (see Conveying Con- densable Vapors). For resolution of problems not listed in the troubleshooting table, contact your Busch representa- tive. Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 39 | 48...
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Page 40: Technical Data
13 | Technical Data Technical Data RA 0400 C RA 0502 C RA 0630 C RC 0400 C RC 0502 C RC 0630 C Nominal pumping speed m³/h 410 / 480 510 / 590 630 / 760 (50 Hz / 60 Hz) ACFM Ultimate pressure (Gas-bal- hPa (mbar) - Page 41 Technical Data | 13 RA 0400 C RA 0502 C RA 0630 C RC 0400 C RC 0502 C RC 0630 C Weight approx. Lbs. 1084 1285 1527 Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 41 | 48...
- Page 42 13 | Technical Data RA 0840 A ECOTORQUE Nominal pumping speed m³/h 390 – 840 (35 Hz - 70 Hz) ACFM 230 – 494 Ultimate pressure (Gas-bal- hPa (mbar) RA version : 0.1 : last valve closed) abs. see nameplate (NP) TORR RA version : 0.075 : see nameplate (NP)
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Page 43: Oil
Oil temperature [°C] In case of unfavorable ambient temperature, other oil viscosities may be used. Please consult your Busch representative for more details. To find out which oil needs to be filled into the machine, please refer to the nameplate (NP). -
Page 44: Eu Declaration Of Conformity
Switzerland declares that the machine: R5 RA 0400 C; R5 RC 0400 C; R5 RA 0502 C; R5 RC 0502 C; R5 RA 0630 C; R5 RC 0630 C; R5 RA 0840 A ECOTORQUE fulfill(s) all the relevant provisions from EU directives: –... -
Page 45: Declaration Of Conformity
Switzerland declares that the machine: R5 RA 0400 C; R5 RC 0400 C; R5 RA 0502 C; R5 RC 0502 C; R5 RA 0630 C; R5 RC 0630 C; R5 RA 0840 A ECOTORQUE fulfill(s) all the relevant provisions from UK legislations: –... - Page 46 Notes Notes 46 | 48 Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en...
- Page 47 N otes Instruction Manual R5 RA RC 0400-0630 C-RA 0840 A ECOTORQUE_EN_en 47 | 48...
- Page 48 BUSCH GROUP The Busch Group is one of the world’s largest manufacturers of vacuum pumps, vacuum systems, blowers, compressors and gas abatement systems. Under its umbrella, the group houses three well-known brands: Busch Vacuum Solutions, Pfeiffer Vacuum and centrotherm clean solutions. Together, they offer solutions to a wide range of industries.
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