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Spare Parts Appendix Please read these operating instructions carefully before using the BÜCHI Vac V-500/501/502/503..Keep these instructions in the proximity of the device so that you can consult them immediately whenever necessary. Chapter 2 contains important safety instructions. Read them carefully;...
Vacuum Controller V-800 230 V 40736 Vacuum Controller V-800 120 V 40737 Spare parts set consisting of 38120 2 diaphragms, 2 valve heads complete Connecting cable 38010 Vacuum controller to the pump Table 2: Optinal accessories for Büchi Vac V-500...
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BÜCHI Vac V-500/V-501/V-502/V-503 1 Scope of Delivery Büchi Vac V-501 with secondary condenser Description Order No. Büchi Vac V-501 with 38001 secondary condenser 230 V 50 Hz Büchi Vac V-501 with 38006 secondary condenser 120 V 50/60 Hz Büchi Vac V-501 with...
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1 Scope of Delivery BÜCHI Vac V-500/V-501/V-502/V-503 Büchi Vac V-502 with Vacuum Controller V-800 Description Order No. Büchi Vac V-502 with Vacuum 38650 Controller V-800 230 V 50 Hz Büchi Vac V-502 with Vacuum 38652 Controller V-800 120 V 50/60 Hz Büchi Vac V-502 with Vacuum...
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BÜCHI Vac V-500/V-501/V-502/V-503 1 Scope of Delivery Büchi Vac V-503 with secondary condenser and Vacuum Controller V-800 Description Order No. Büchi Vac V-503 with Vacuum 38654 Controller V-800 230 V 50 Hz Büchi Vac V-503 with Vacuum 38656 Controller V-800 120 V 50/60 Hz Büchi Vac V-503 with Vacuum...
2 Safety BÜCHI Vac V-500/V-501/V-502/V-503 Safety The device is built with state-of-the-art technology and according to recognized safety regulations. Nevertheless, using this device can lead to certain risks and dangers: • If the device is not used according to these instructions.
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BÜCHI Vac V-500/V-501/V-502/V-503 2 Safety Safety Features Two fuses (3.15 AT) have been built into the device to protect it from a short circuit. The pump motor is protected from overheating by a temperature governor. The pump is 100% free of oil. The bearings do not require lubrication. All bearings are completed sealed and self-lubricating.
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Büchi Vac V-500-503. Instructions in other languages, which may be ordered separately, must also be kept with the device.
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BÜCHI Vac V-500/V-501/V-502/V-503 3 Function Function The Büchi Vac V-500 is a vacuum pump suitable for evacuating laboratory equipment to a vacuum of <10 mbar. This is done with a PTFE diaphragm pump. The pump can be used as an...
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The main switch has to be ON (EIN) and can only be switched ON or OFF via the controller. Fig. 9b: Vac V-500 rear view Function of the Büchi Vac V-501 Vacuum system with PTFE diaphragm pump V-500 and secondary condenser, suitable for evacuating laboratory equipment to a vacuum of <10 mbar.
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BÜCHI Vac V-500/V-501/V-502/V-503 3 Function Function of the Büchi Vac V-502 Vacuum system with PTFE diaphragm pump V-500 and vacuum controller, suitable for controlled evacuation of laboratory devices to a vacuum of <10 mbar. This system creates, regulates, and maintains a vacuum at a constant level by automatically resuming operation in the event of a vacuum loss and restoring the vacuum to the set level.
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3 Function BÜCHI Vac V-500/V-501/V-502/V-503 Function of the Büchi Vac V-503 Vacuum system with PTFE diaphragm pump V-500 and vacuum controller, suitable for controlled evacuation of laboratory devices to a vacuum of <10 mbar. This system creates, regulates, and maintains a vacuum at a constant level by automatically resuming operation in the event of a vacuum loss and restoring the vacuum to the set level.
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BÜCHI Vac V-500/V-501/V-502/V-503 3 Function Function of the Vacuum Controllers See separate operating instructions. Function of the valve unit Hose connection to 1 rotation evaporator Hose connection to 2 valve unit Hose connection to vacuum controller Hose connection to pump inlet (intake end)
4 Putting into operaton BÜCHI Vac V-500/V-501/V-502/V-503 Putting into operation Please check all parts for damage when unpacking. It is important that any transport damage be discovered when the parts are unpacked. If necessary, a record of the condition of the parts should be made immediately (report to postal service, railway service, or shipping company).
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BÜCHI Vac V-500/V-501/V-502/V-503 4 Putting into operaton Büchi Vac V-500 Sound absorber Vacuum connection to valve unit • Screw the sound absorber onto the pump outlet. • Connect the pump inlet to the rotation evaporator valve unit using the vacuum hose, as shown in the drawing.
4 Putting into operation BÜCHI Vac V-500/V-501/V-502/V-503 Büchi Vac V-502 Stand Valve unit Holder Vacuum Controller V-800 Sound absorber Mechanical and electrical connections • Screw sound absorber onto pump outlet • Insert the stand into the desired socket on the pump and secure it.
BÜCHI Vac V-500/V-501/V-502/V-503 4 Putting into operation Büchi Vac V-503 Stand Valve unit Holder Vacuum Controller V-800 Secondary condenser Collecting tank Mechanical and electrical connections • Insert the stand into the desired socket on the pump and secure it. • Secure the white plastic holder to the stand •...
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4 Putting into operation BÜCHI Vac V-500/V-501/V-502/V-503 Büchi Vac V-500 with multiple Vacuum Controllers V-800 The vacuum pump and the vacuum system can both be fitted with 2 or more vacuum controllers at any time. Hose connections: 1. Ventileinheit to the vacuum connection of the respective rotation evaporator Contr.
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Pump inlet (intake end) Additinal condenser Collecting tank Fig. 23: Vac V-501 with secondary condenser 5.1.1 Working with the Büchi Vac V-500 with secondary condenser Start the pump by using the main switch . If pressure conditions are too low, the secondary condenser condenses out the solvent vapors and collects them in the collecting tank.
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5 Operation BÜCHI Vac V-500/V-501/V-502/V-503 There are several possiblities how the Vacuum System can be used with a Vacuum Controller. The most important are: • 1 Rotavapor with 1 V-800 • 1 Rotavapor with 1 B-168 • 2 Rotavapor with 2 V-800 •...
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BÜCHI Vac V-500/V-501/V-502/V-503 5 Operation Description of the integrated switchbox The integrated switchbox allows particularly quiet and environmentally-friendly operation. When the desired vacuum has been reached, the pump is turned off and does not run again unless the hysteresis set on the V-800 is exceeded.
6 Maintenance BÜCHI Vac V-500/V-501/V-502/V-503 Maintenance Cleaning Valve head If the end vacuum of the pump can not be reached the problem is often caused by stuck valve plates. To clean them do the following steps: 1) remove all of the connections to the pump and the sound...
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BÜCHI Vac V-500/V-501/V-502/V-503 6 Maintenance Removal and Assembly of the Pump Heads, Valve Heads and Diaphragms Under conditions of normal usage, the diaphragms and the valve plates will rarely require replacement. If the benchmarks of the function checkup (6.1) are not met, the pump heads, diaphragms, and valve heads should be cleaned.
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6 Maintenance BÜCHI Vac V-500/V-501/V-502/V-503 Removal and cleaning of valve head 1. Release both of the black hose couplings GL-14 between the pump heads. 2. Using the allen wrench provided, loosen crosswise with a quarter-turn each and remove the 4 screws on the valve head top.
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BÜCHI Vac V-500/V-501/V-502/V-503 6 Maintenance Replacement of the pump head and assembling 1. Before replacing the valve head check if the valves are not stuck together by holding the head between two fingers. You should hear a soft clicking while shaking it carefully.
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6 Maintenance BÜCHI Vac V-500/V-501/V-502/V-503 5. Now connect the connecting hose, tighten the hose con- nections, and then assemble the second pump head the same way as the first one. 6. If the vacuum is not achieved, it may be necessary to replace or clean the valve head seals.
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• • Maintenance service • • Technical consulting. Working with strong acids / bases on Büchi VAC V-500 – 513 If strong acids or bases are removed with a Vacuum pump, protecting clothing such as goggles and laboratory coats must be worn during operation of the device.
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7 Putting out of order BÜCHI Vac V-500/V-501/V-502/V-503 Putting out of order Before the device can be moved, the power cable must be disconnected and all hoses taken off. Storage/Transport Clean the device thoroughly (see 6.1). Any chemicals remaining in the device must be removed completely and the glass parts must be washed.
BÜCHI Vac V-500/V-501/V-502/V-503 8 Spare parts Spare parts Only original spare parts and accessories from BÜCHI guaran- tee that the device will function properly and safely. Spare parts 37966 and accessories from other manufacturers may be used only with the express permission of BÜCHI AG. General safety regulations and Chapter 6 must be observed when assembling or dismantling the device.
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8 Spare parts BÜCHI Vac V-500/V-501/V-502/V-503 Valve unit complete 37968 38614 Cable set for combination with 31466 Rotavapor R-134/144 or B-168 Cooling water valve 31356 Thermostatic jacket for 37616 secondary condenser Fig. 25b: Spare parts Installation tool 38614 Valve set...
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BÜCHI Vac V-500/V-501/V-502/V-503 9 Appendix Appendix Technical data V-500 V-501 / V-502 / V-503 Measurements (L x B x H) 150 x 294 x 236 mm 230 x 420 x 400 mm Weight 8 kg 9-11 kg Electrical supply 230 VAC 50 Hz, +/-10 %...
Switzerland do hereby declare on our responsibility that the product: BÜCHI VAC V-500 / V-501 / V-502 / V-503 which is the object of this certification, is in accordance with the following norms: EN 61010-1:1993 (~ IEC 1010-1, VDE 0411-1)
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