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DOLPHIN LR Liquid Ring Vacuum Pumps LR 0110 A, LR 0140 A, LR 0210 A, LR 0300 A LR 0420 A, LR 0580 A Instruction Manual 0870237638 | -0001_en-US | Original instructions 9/21/2022...
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 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.
2 | Product Description Product Description DOLPHIN LR 0110 A - LR 0300 A DOLPHIN LR 0420 A, LR 0580 A AOUT AOUT 4 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
● The drained liquid should be separated twice and transferred to a safe place when applying the figure 1 arrangement. Particular care should be taken to avoid any leakage of dangerous gases from the water drain outlet. 6 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
The pumped medium is transported in the spaces between the blades and the liquid ring. The eccentric rotation of the impeller alters the volume of these spaces, causing gas to be drawn in, compressed and expelled. Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 7 | 40...
ATEX supplement for additional safety information on operation in hazardous zones. 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.
● Generally, the lifting point should be on the baseplate on which the machine is installed. ● The lifting point of a bare shaft pump is shown above. ● Check the machine for transport damage. Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 9 | 40...
● Drain the operating liquid from the machine and the system before storage. ● Or add an anti-freeze solution. After testing, all Busch DOLPHIN vacuum pumps are vented and drained. Short Term (Up to 3 Months) ● Seal all apertures with adhesive tape or provided caps.
● Make sure that the coupling is correctly aligned, see Fitting the Coupling [➔ 17]. 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.
– DN125 PN10 (for LR 0110 A and LR 0140 A) – DN150 PN10 (for LR 0210 A and LR 0300 A) – DN200 PN10 (for LR 0420 A) – DN250 PN10 (for LR 0580 A) 12 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
Installation | 5 5.2.3 Operating Liquid Connection DOLPHIN LR 0110 A - LR 0300 A F (OPI) C (OPO) G (SSI) DOLPHIN LR 0420 A, LR 0580 A G (SSI) F (OPI) J (ADV) Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
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Chemical compatibility should always be checked by competent personnel before use, particular attention should be paid to elastomer material selection. If in doubt, please consult Busch. 16 | 40...
● Install a protective cover or a guard. Machine type Machine shaft size (mm) LR 0110 A & LR 0140 A LR 0210 A & LR 0300 A LR 0420 A LR 0580 A Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 17 | 40...
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of isolation default. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation.
● If the machine is equipped with a power connector, install a residual current protective device to protect persons in case of isolation default. ● Busch recommends installing a type B residual protective device suitable for the electrical in- stallation.
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If the rotation of the motor must be changed: ● Switch any two of the motor phase wires. For motor wiring and wiring diagrams, please refer to motor manufacturers instruction man- uals. 20 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
● Make sure that the operating conditions comply with the Technical Data [➔ 32]. As soon as the machine is operated under normal operating conditions: ● Measure the motor current and record it as reference for future maintenance and trouble- shooting work. Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 21 | 40...
However, this increases the cooling water flow considerably. In most cases the low ulti- mate pressure is not required and cavitation shall be avoided by means of vacuum limitation rather than cooling. 22 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
● Shut down the machine and lock against inadvertent start up. ● Turn off the operating liquid system. ● Vent the connected lines to atmospheric pressure. If necessary: 1. Drain the operating liquid 2. Disconnect all connections Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 23 | 40...
If an inlet screen or filter is installed: ● Check it and clean if necessary. Every 5 years ● Have a major overhaul (contact Busch). 24 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
● Decontaminate the machine as much as possible and state the contamination status in a ‘Dec- laration of Contamination’. Busch will only accept machines that come with a completely filled in and legally binding signed ‘Declaration of Contamination’ (form downloadable from www.buschvacuum.com).
● See Storage. 10.1 Dismantling and Disposal ● Separate special waste from the machine. ● Dispose of special waste in compliance with applicable regulations. ● Dispose of the machine as scrap metal. 26 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
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 correct functioning of the machine and to validate the warranty. Spare parts kit Description Part no.
Heavy lime deposit build-up ● Flush the machine and check rotation by hand. If trouble persists, contact Busch. Discharge pressure too high ● Make sure the vent line is free of restrictions. 28 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
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Axial clearance not conforming ● Recalibrate the axial clear- with the requirements follow- ance. ing a repair. Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 29 | 40...
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The bearings have been in- ● Reinstall the bearings. stalled incorrectly. Bearing is damaged. ● Replace the damaged bear- ing. 30 | 40 Instruction Manual DOLPHIN LR 0110-0580 A_EN_en...
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Vibration is high. Loose contact between the ● Fill the space with concrete, baseplate and the foundation, tighten the anchor bolts. or the anchor bolts are loose. Alignment fail. ● Adjust alignment. Instruction Manual DOLPHIN LR 0110-0580 A_EN_en 31 | 40...
Crewe, Cheshire, CW1 6ZD United Kingdom declares that the machine: DOLPHIN LR 0110 A; DOLPHIN LR 0140 A; DOLPHIN LR 0210 A; DOLPHIN LR 0300 A; DOLPHIN LR 0420 A; DOLPHIN LR 0580 fulfill(s) all the relevant provisions from EU directives: –...
Crewe, Cheshire, CW1 6ZD United Kingdom declares that the machine: DOLPHIN LR 0110 A; DOLPHIN LR 0140 A; DOLPHIN LR 0210 A; DOLPHIN LR 0300 A; DOLPHIN LR 0420 A; DOLPHIN LR 0580 fulfill(s) all the relevant provisions from UK legislations: –...
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