BUSCH R5 Aqua Configuration guide

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Instruction Manual Supplement
R5 Aqua version
Oil-Lubricated Rotary Vane Vacuum Pumps
RA 0165 D, RA 0205 D, RA 0255 D, RA 0305 D
RA 0400 C, RA 0502 C, RA 0630 C, RA 1000 B, RA 1600 B
0870524638/A0003_en / Original instructions / Modifications reserved 17/02/2021
Ateliers Busch S.A.
Zone industrielle, 2906 Chevenez
Switzerland

Table of Contents
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Table of Contents
1 Safety .......................................................................................................................................3
2 Introduction..............................................................................................................................4
3 Product Description ..................................................................................................................5
3.1 Application....................................................................................................................... 6
3.2 Standard Accessories ........................................................................................................ 6
3.2.1 Gas Ballast Valve ................................................................................................... 6
3.2.2 Thermostatic Valve................................................................................................ 6
3.2.3 Temperature Switch "Oil"..................................................................................... 6
3.3 Optional Accessories ........................................................................................................ 6
3.3.1 Inlet Filter ..............................................................................................................6
3.3.2 Water Separator ....................................................................................................6
4 Installation................................................................................................................................7
4.1 Connecting Lines / Pipes .................................................................................................. 7
4.1.1 Suction Connection ............................................................................................... 7
4.1.2 Discharge Connection ........................................................................................... 7
4.2 Electrical Connection of the Monitoring Devices............................................................... 7
4.2.1 Wiring Diagram Temperature Switch "Oil" ........................................................... 7
5 Technical Data..........................................................................................................................8
6 Oil ............................................................................................................................................8

Safety | 1
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1 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.
The machine is intended for industrial use. It must be handled only by technically trained
personnel.
Always wear appropriate personal protective equipment in accordance with the local
regulations.
The machine has been designed and manufactured according to state-of-the-art meth-
ods. Nevertheless, residual risks may remain. This instruction manual highlights potential
hazards where appropriate. Safety notes and warning messages are tagged with one of
the keywords DANGER, WARNING, CAUTION, NOTICE and NOTE as follows:
DANGER
... indicates an imminent dangerous situation that will result in death or serious injuries if
not prevented.
WARNING
... indicates a potentially dangerous situation that could result in death or serious injuries.
CAUTION
... indicates a potentially dangerous situation that could result in minor injuries.
NOTICE
... indicates a potentially dangerous situation that could result in damage to property.
NOTE
... indicates helpful tips and recommendations, as well as information for efficient and
trouble-free operation.

2 | Introduction
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2 Introduction
NOTE
Instruction manual supplement.
This document is a supplement to the R5 instruction manuals which contents remain
valid.
It contains additional information in the following chapters: Product Description
[►5], Installation [►7] and Technical Data [►8].

Product Description | 3
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3 Product Description
INIF GB1 GB2
WS
OUTTS
INIF GB
WS
OUT
TS
RA 0165-0305 D Aqua
RA 0400-0630 C Aqua
IN
IF GB1
WS1
OUT1GB2WS2OUT2
RA 1000-1600 B Aqua
CD2
CD1
CD
CD
IN Suction connection IF Inlet filter
OUT Discharge connection CD Condensate drain
TS Temperature switch WS Water separator
NOTE
Illustrations
In this instruction manual the illustrations may differ from the machine appearance.

3 | Product Description
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3.1 Application
The machine is intended for the suction of gases which contain a high percentage of wa-
ter vapour.
Other agents should not be transported. In case of doubt, please contact your Busch
representative.
3.2 Standard Accessories
3.2.1 Gas Ballast Valve
The gas ballast valve mixes the process gas with a limited quantity of ambient air to
counteract the condensation of vapour inside the machine.
The gas ballast of the Aqua version has a larger air volume flow than a standard R5.
The gas ballast valve has an influence on the ultimate pressure of the machine, see Tech-
nical Data [►8].
3.2.2 Thermostatic Valve
It allows to fix a higher operating temperature than a standard R5.
3.2.3 Temperature Switch "Oil"
The temperature switch monitors the oil temperature of the machine.
It has two switch points.
Depending on the oil type, the machine must be stopped when the oil reaches a certain
temperature, see Oil [►8].
3.3 Optional Accessories
3.3.1 Inlet Filter
The inlet filter protects the machine against dust and other solids in the process gas. The
inlet filter is available with a polyester cartridge.
3.3.2 Water Separator
It allows to retrieve a certain amount of condensate at the machine exhaust. It is
equipped with a drain plug at its bottom.

Installation | 4
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4 Installation
4.1 Connecting Lines / Pipes
• Remove all protective covers before installation.
• Make sure that the connection lines cause no stress on the machine‘s connection; if
necessary use flexible joints.
• Make sure that the line size of the connection lines over the entire length is at least as
large as the connections of the machine.
In case of very long connection lines it is advisable to use larger line sizes in order to
avoid a loss of efficiency. Seek advice from your Busch representative.
4.1.1 Suction Connection
Connection size(s):
– Ø60 mm hose for RA 0165-0305 D
– Ø90 mm hose for RA 0400-0630 C
– DN150 PN16, EN 1092-1 for RA 1000-1600 B
The inlet connection may be equipped with a ball valve.
Depending on the specific order, other connection dimensions may apply.
4.1.2 Discharge Connection
Connection size(s):
– G2 for RA 0165-0305 D
– G3 for RA 0400-0630 C
– 2x DN125 PN16, EN 1092-1 for RA 1000-1600 B
Depending on the specific order, other connection dimensions may apply.
4.2 Electrical Connection of the Monitoring Devices
4.2.1 Wiring Diagram Temperature Switch "Oil"
Part no.: 0651563747
Connector: M12x1, 4-pin
Electrical data:
U = ≤ 250 V AC/DC (50/60 Hz) ; I = ≤ 1 A
Switch point:
T1 pin 1 + 2 = 110 °C*
T2 pin 3 + 4 = 130 °C*
1 2
4 3
2
1
T1
4
3
T2
1 = Brown ; 2 = White ;
3 = Blue ; 4 = Black
* The switch point value depends on the oil type, see Oil [►8].

5 | Technical Data
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5 Technical Data
RA 0165 D RA 0205 D RA 0255 D RA 0305 D
Nominal pumping speed
(50Hz / 60Hz)
m³/h 160 / 190 200 / 240 250 / 300 300 / 360
Ultimate pressure hPa (mbar) abs. < 5
Water vapour tolerance max. hPa (mbar) 200
Water vapour capacity
(DIN 28426-1)
(50Hz / 60Hz)
kg / h 23 / 27 26 / 31 35 / 41 39 / 47
RA 0400 C RA 0502 C
Nominal pumping speed
(50Hz / 60Hz)
m³/h 410 / 480 510 / 590
Ultimate pressure hPa (mbar) abs. < 5
Water vapour tolerance max. hPa (mbar) 200
Water vapour capacity
(DIN 28426-1)
(50Hz / 60Hz)
kg / h 60 / 70 75 / 90
RA 0630 C RA 1000 B RA 1600 B
Nominal pumping speed
(50Hz / 60Hz)
m³/h 630 / 760 1000 / 1200 1600 / 1800
Ultimate pressure hPa (mbar) abs. < 5
Water vapour tolerance max. hPa (mbar) 100
Water vapour capacity
(DIN 28426-1)
(50Hz / 60Hz)
kg / h 50 / 60 89 / 160 99 / 160
6 Oil
VSC 100 VSB 100
ISO-VG 100 100
Oil type Synthetic oil Synthetic oil
Part number 1L packaging 0831 168 356 0831 168 351
Part number 5L packaging 0831 168 357 0831 168 352
Part number 10L packaging 0831 210 162 -
Part number 20L packaging 0831 168 359 0831 168 353
Warning signal
Oil temperature [°C]
110 110
Switch point / Trip signal
Oil temperature [°C]
130 130
In case of unfavourable ambient temperature, other oil viscosities may be used. Please consult your Busch repre-
sentative for more details.
To know which oil has been filled in the machine, please refer to the nameplate (NP).

Note

Note

Note

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