1
BÜCHI Vac V-500/V-501/V-502/V-503 Table of Contents
Table of Contents
en, Version I (32 pages) Order No.
V-500 Operating Instructions 96696
1 Scope of Delivery 2
1.1 Büchi Vac V-500 2
1.2 Büchi Vac V-501 3
1.3 Büchi Vac V-502 4
1.4 Büchi Vac V-503 5
2 Safety 6
3 Function 9
3.1 Büchi Vac V-500 9
3.2 Büchi Vac V-501 10
3.3 Büchi Vac V-502 11
3.4 Büchi Vac V-503 12
4 Putting into Operation 14
4.3 Büchi Vac V-500 15
4.4 Büchi Vac V-501 15
4.5 Büchi Vac V-502 16
4.6 Büchi Vac V-503 17
4.7 V-500 with more Vacuum Controllers V-800 18
5 Operation 19
6 Maintenance 22
7 Putting out of Operation 28
8 Spare Parts 29
9 Appendix 31
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; they are essential for the safe operation of the
device.
Technical changes may be made without prior notice. These
operating instructions may not, either wholly or in part, be reproduced or rewritten by the use of electronic or optical systems,
copied, or distributed without the express written permission of
the firm BÜCHI Labortechnik AG. All rights reserved.
Copyright © BÜCHI Labortechnik AG 1998, 1999, 2000
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1 Scope of Delivery
1 Scope of Delivery BÜCHI Vac V-500/V-501/V-502/V-503
Fig 1: Vac V-500
Fig 2: Enclosed parts Büchi Vac V-500
1.1 Büchi Vac V-500
Description Order No.
Büchi Vac V-500 230 V 50 Hz 37340
Büchi Vac V-500 120 V 50/60 Hz 37339
Büchi Vac V-500 100 V 50/60 Hz 38050
Enclosed parts
1 Sound absorber 37947
2 m Vacuum hose 17622
1 Power cable PNE, 1.5m
Type CH 10010
Type Schuko 10016
Type GB 17835
Type USA 10020
Type AUS 17836
1 Operating instructions:
German 96695
English 96696
French 96697
Italian 96698
Spanish 96699
1 Hose connection GL-14 straight
1 Hose connection GL-14 bent
Table 1: Enclosed parts Büchi Vac V-500
Optional accessories
1 Stand with holder for valve unit, 38021
secondary condenser
1 Secondary condenser complete 38022
with collecting tank
1 Vacuum Controller V-800 230 V 40736
1 Vacuum Controller V-800 120 V 40737
1 Spare parts set consisting of 38120
2 diaphragms, 2 valve heads complete
1 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
Fig 3: Vac V-501 with secondary condenser
Fig 4: Enclosed parts Büchi Vac V-501 with secondary condenser
1.2 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 38051
secondary condenser 100 V 50/60 Hz
Enclosed parts
1 Secondary condenser 37775
1 Collecting tank for 37949
secondary condenser
1 Gasket for secondary condenser 37873
1 Holder for secondary condenser 38086
and collecting tank
1 Stand with holder for 38021
secondary condenser
2 m Vacuum hose 17622
1 Power cable PNE, 1.5 m
(see 1.1 for article number)
1 Operating instructions
(see 1.1 for article number)
1 Hose connection GL-14 straight
1 Hose connection GL-14 bent
1 Spring lock washer 37872
1 Silicone hose 04133
Table 3: Enclosed parts Büchi Vac V-501 with secondary condenser
Optional accessories
1 Vacuum Controller V-800 230 V 40736
1 Vacuum Controller V-800 120 V 40737
1 Valve unit compl. 37968
1 Cooling water valve 31356
1 Control cable for R-134/R-144 31466
to V-500
1 Special cable for KNF controller 38015
1 Special cable for Vacuubrand 38014
1 Thermostatic jacket for 37616
secondary condenser
1 Spare parts set consisting of 2 dia- 38120
phragms, 2 valve heads complete
1 Connecting cable 38010
Vacuum controller to the pump
Table 4: Optional Accessories Büchi Vac V-501 with add. condenser
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1 Scope of Delivery BÜCHI Vac V-500/V-501/V-502/V-503
Fig 5: Vac V-502 with Vacuum Controller
1.3 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 38653
Controller V-800 100 V 50/60 Hz
Enclosed parts
1 Sound absorber 37947
1 Vacuum Controller V-800 230 V 40736
Vacuum Controller V-800 120 V 40737
1 Stand with holder for valve unit, 38021
secondary condenser
1 Valve unit, complete 37968
1 Connecting cable 38010
Vacuum controller to the pump
2 m Vacuum hose 17622
1 Power cable PNE 1.5m
(see 1.1 for article number)
1 Operating instructions:
(see 1.1 for article number)
1 Hose connection GL-14 straight
1 Hose connection GL-14 bent
Table 5: Enclosed parts Vac V-502 with Vacuum Controller
Optional accessories
1 Secondary condenser complete 38022
with collecting tank
1 Cooling water valve 31356
1 Spare parts set consisting of 2 38120
diaphragms, 2 valve heads complete
Table 6: Optional Accessories Vac V-502 mit Vacuum Controller
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BÜCHI Vac V-500/V-501/V-502/V-503 1 Scope of Delivery
Fig 6: Vac V-503 with Vacuum Controller and secondary condenser
Fig 7: Enclosed parts Vac V-503 with Vacuum Controller and
secondary condenser
1.4 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 38657
Controller V-800 100 V 50/60 Hz
Enclosed parts
1 Vacuum Controller V-800 40736
1 Vacuum Controller V-800 40737
1 Connecting cable 38010
Vacuum controller to the pump
1 Valve unit, complete 37968
1 Secondary condenser 37775
1 Collecting tank for 38949
Secondary condenser
1 Gasket for secondary condenser 37873
1 Holder for secondary condenser 38086
and collecting tank
1 Stand with holder for valve unit, 38021
secondary condenser
2 mVacuum hose 17622
1 Power cable PNE 1.5m
(see 1.1 for article number)
1 Operating instructions
(see 1.1 for article number)
1 Hose connection GL-14 straight
1 Hose connection GL-14 bent
1 Spring lock washer 37872
3m Silicone hose 04133
Table 7: Enclosed parts Büchi Vac V-503 with vacuum controller and
secondary condenser
Optional accessories
1 Thermostatic jacket for 37616
secondary condenser
1 Cooling water valve 24V AC 31356
1 m Vacuum hose 17622
Table 8: Optional Accessories Büchi Vac V-503 with vacuum controller
and secondary condenser
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2 Safety
2 Safety BÜCHI Vac V-500/V-501/V-502/V-503
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.
• If the device is used by personnel who have not been properly
trained..
2.1 Symbols
Stop
Information about risks which can lead to extensive property
damage or to serious or life-threatening personal injury.
Warning
Information about risks which can lead to damage to one’s
health or to property damage.
Reference
Information which refers to technical requirements. Failure
to heed these requirements can lead to malfunctions, poor
economic performance, and production losses.
Warning
Surface temperature more than 60°C.
2.2 Requirements for the Operator
The device may be used only by laboratory personnel or other
persons who, due to their training or professional experience,
are capable of recognizing possible dangers which might arise
from the use of the device.
Personnel who do not have this training or who are presently
in training must be given careful and exact instruction. These
operating instructions are intended for use as a basis for such
instruction.
2.3 Proper Use
The device was designed and built for laboratory use. Its proper use is the evacuation of laboratory vacuum devices up to
10 mbar. This is done by means of a PTFE diaphragm pump,
with or without regulation through one or more vacuum
controllers.
Uses:
• Evacuation of distillation apparatus, in particular rotation
evaporators.
• Vacuum filtrations
• Vacuum drying cabinets
• Drying ovens
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BÜCHI Vac V-500/V-501/V-502/V-503 2 Safety
2.4 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.
2.5 Improper Use
Any use of the device other than those given above or any
use of the device which is not in accordance with the
technical data shall be regarded as a misuse. The operator
bears the sole responsibility for any and all damage which
may result from such misuse. The device is not suitable for
pumping liquids or solid particles. The result of such a use
would be the destruction of the pump or a loss in
performance capability.
In particular, the device must not be used in the following ways:
• Use of the device in rooms which require ex-protected
apparatus.
• Processing of samples which can explode or ignite due to
a blow, friction, heat, or sparks (e.g., explosives, etc.).
• Use of the device for digestions (e.g., Kjeldahl)
• Use of the pump to produce over-pressure
• Operation of the device in a surrounding temperature
of > 40° C.
2.6 General Risks
In general, risks can arise from
• Glass parts which are not suitable for use under vacuum
conditions
• Solvents which can react with one another if they mix in
the pump or in the secondary condenser.
• Ignition sources in the immediate vicinity of the pump/
pump system outlet.
• Flammable gases or solvent vapors in the immediate
vicinity of the device.
• Damaged glass equipment
• Bent hoses on the outlet side
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2 Safety BÜCHI Vac V-500/V-501/V-502/V-503
2.7 Safety Measures
Protective clothing such as goggles and laboratory coats
must be worn during operation of the device.
These operating instructions must be available at all times
to operating personnel at the place of operation of the device
and should be regarded as an integral part of the Büchi
Vac V-500-503. Instructions in other languages, which may
be ordered separately, must also be kept with the device.
Modifications
Modifications of the device or of spare parts or of
accessories as well as the use of spare parts or accessories
other than those mentioned in these operating instructions
is allowed only with the prior written permission of BÜCHI
Labortechnik AG.
Responsibility for the operator
The operator is responsible for the instruction of his
personnel. Copies of these operating instructions in various
languages can be ordered for this purpose.
The operator shall inform the manufacturer without delay of
any safety-related events which might occur during operation
of the device.
Regional and local statutes and regulations must be observed.
It is forbidden for anyone other than authorized maintenance
personnel to remove the front or back plate using standard
tools. Damaged glass equipment may not be used under
vacuum conditions.
Touching any parts of the device carrying electrical current
can result in fatal injury!
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BÜCHI Vac V-500/V-501/V-502/V-503 3 Function
Fig. 9a: Vac V-500 front view
3 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
individual device to create a vacuum and can be expanded to
a complete vacuum system by means of the optional
accessories such as secondary condenser and vacuum
controllers (V-501/502/503).
In the following pages, reference will often be made to pump
inlet and pump outlet.
This distinction is important and can be recognized on the
valve heads as follows. Arrows on both valve heads show the
direction of the gas flow.
The pump inlet , is at the beginning of the arrow, the tip of
the arrow is the pump outlet .
Never turn the valve heads so that the arrows point to one
another!
3.1 Function of the Büchi Vac V-500
PTFE diaphragm pump: vacuum pump suitable for evacuating
laboratory devices <10 mbar.
Main switch
Pump outlet GL-14
Pump inlet GL-14
Rod fastening
Stand rod socket, front
Stand rod socket, rear
Fig. 8: Gas flow: valve heads
Pump inlet
Pump outlet
(Direction main switch)
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3 Function BÜCHI Vac V-500/V-501/V-502/V-503
Fig. 10: Vac V 501 with secondary condenser
Fig. 9b: Vac V-500 rear view
Allen wrench
Rod fastening
Connection 24 V ~= Switchbox
Power connection
Installation tool
In case a control cable is connected to the 24V connection
the switchbox switches automatically to external.
The main switch has to be ON (EIN) and can only be
switched ON or OFF via the controller.
3.2 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. The secondary
condenser removes any solvent vapors following the pump
(to the physical minimum).
Main switch
Pump outlet
Pump inlet
Secondary condenser
Collecting tank
Supporting ring
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