Safety Prior to handling the machine this instruction manual should be read and understood. If anything needs to be clarified please contact your Busch representative. Read 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.
Conveying of other media leads to an increased thermal and/or mechanical load on the machine and is permissible only after a consultation with Busch. The machine is intended for the placement in a non-potentially explosive environment. The machine is capable of maintaining ultimate pressure.
3 | Transport 2.4.2 Inlet Filter It protects the machine against dust and other solids in the process gas. The inlet filter is available with a paper or polyester cartridge. 2.4.3 Water-oil Heat Exchanger In case of unfavourable ambient conditions a water-oil heat exchanger can be provided. 2.4.4 Resistance Thermometer The resistance thermometer monitors the oil temperature of the machine.
Storage | 4 Machine weight: see the technical data or the nameplate (NP) • Check the machine for transport damage. In case of the machine being secured to a base plate: • Remove the fixations. WARNING Lifting the machine using the motor eye bolt. Risk of severe injury! •...
• Make sure that the cooling water complies with the requirements, see Cooling Water Connection (Optional) [} 10]. If the machine is installed at an altitude greater than 1000 meters above sea level: • Contact your Busch representative, the motor should be derated or the ambient temperature limited. 5.2 Connecting Lines / Pipes •...
Depending on the specific order, other connection dimensions may apply. If the machine is used as part of a vacuum system: • Busch recommends the installation of an isolation valve in order to prevent the oil from flowing back to the vacuum system.
5 | Installation 5.2.3 Cooling Water Connection (Optional) Water-oil heat exchanger without inlet accessories Water-oil heat exchanger with inlet accessories Cooling water inlet Pressure switch Cooling water outlet Water bypass valve Water-oil heat exchanger Water filter Thermostatic valve Magnetic valve The factory default adjustment of the thermostatic valve (TV) is set in position 2 (approx.
• Provide an overload protection according to EN 60204-1 for the motor. • Make sure that the motor of the machine will not be affected by electric or electro- magnetic disturbance from the mains; if necessary seek advice from Busch. • Connect the protective earth conductor.
5 | Installation 5.4.1 Wiring Diagram Three-Phase Motor Delta connection (low voltage): Star connection (high voltage): Double star connection, multi-voltage Star connection, multi-voltage motor motor with 12 pins (low voltage): with 12 pins (high voltage): Delta connection, multi-voltage motor with 12 pins (middle voltage): NOTICE Incorrect direction of rotation.
Installation | 5 5.5 Electrical Connection of the Monitoring Devices NOTE In order to prevent potential nuisance alarms, Busch recommends that the control system is configured with a time delay of at least 10 seconds. 5.5.1 Wiring Diagram Temperature Switch "Gas"...
• Measure the motor current and record it as reference for future maintenance and troubleshooting work. 6.1 Conveying Condensable Vapours Water vapour within the gas flow is tolerated within certain limits. The conveyance of other vapours shall be agreed upon with Busch. 14 / 28 0870569784_RA_RC1000-1600B_-0003_IM_en...
Interval Maintenance work Weekly • Check the oil level. • Check the machine for oil leaks - in case of leaks have the machine repaired (contact Busch). 0870569784_RA_RC1000-1600B_-0003_IM_en 15 / 28...
In case of a gas ballast valve (GB) being installed: • Clean the filter of the gas ballast valve. Every 5 years • Have a major overhaul on the machine (contact Busch). 7.2 Oil and Oil Filter Change 1x seal, part no.: 0482 509 012...
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Maintenance | 7 Busch genuine spare parts 2x oil filter (OF), part no.: 0531 000 005 Oil filter wrench For oil type and oil capacity see Technical Data [} 23] and Oil [} 23]. 1x seal, part no.: 0482 000 106 Check oil level...
• Decontaminate the machine as good as possible and state the contamination status in a ‘Declaration of Contamination’. Busch will only accept machines that come with a complete filled in and legally binding signed ‘Declaration of Contamination’. (Form downloadable from www.buschvacuum.com) Decommissioning •...
Use of non-Busch genuine spare parts. Risk of premature failure! Loss of efficiency! • The exclusive use of Busch genuine spare parts and consumables is recommended for the proper function of the machine and for granting of warranty. Spare parts kit Description Part no.
The inlet filter cartridge (op- • Replace the inlet filter tional) is partially clogged. cartridge. Internal parts are worn or • Repair the machine (con- damaged. tact Busch). The machine runs very nois- Worn coupling (CPL). • Replace the coupling ily. (CPL). Stuck vanes.
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Remove the clogging. The oil is black. Oil change intervals are too • Flush the machine (con- long. tact Busch). The inlet filter (optional) is • Replace the inlet filter. defective. The machine runs too hot. • See problem "The ma- chine runs too hot".
Technical Data | 12 12 Technical Data RA 1000 B RA 1600 B RC 1000 B RC 1600 B Nominal pumping speed m³/h 1000 / 1200 1600 / 1800 (50Hz / 60Hz) Ultimate pressure hPa (mbar) abs. See nameplate (NP) Nominal motor rating 22 / 30 30 / 37...
This Declaration of Conformity and the CE-mark affixed to the nameplate are valid for the machine within the Busch scope of delivery. This Declaration of Conformity is issued under the sole responsibility of the manufacturer. When this machine is integrated into a superordinate machinery the manufacturer of the superordinate machinery (this can be the operating company, too) must conduct the conformity assessment process for the superordinate machine or plant, issue the Declaration of Conformity for it and affix the CE-mark.