BUSCH Samos SB 0050 D0 User manual

Installation and
Operating Instructions
Side Channel Blowers
Samos SB 0050 - 1400 D0/D2
ATEX-Version
Busch Produktions GmbH
Schauinslandstr. 1
79689 Maulburg
Germany
0870145236/ 181122/ Original instructions / Modifications reserved

Table of Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Product Description. . . . . . . . . . . . . . . . . . . . . . . . . 3
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Principle of Operation . . . . . . . . . . . . . . . . . . . . . . 4
Cooling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Start Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Intended Use . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Safety Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Noise Emission . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Transport in Packaging . . . . . . . . . . . . . . . . . . . . . . 4
Transport without Packaging . . . . . . . . . . . . . . . . . . . 4
Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Short-term Storage . . . . . . . . . . . . . . . . . . . . . . . . 5
Conservation . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Installation and Commissioning . . . . . . . . . . . . . . . . . . 5
Installation Prerequisites . . . . . . . . . . . . . . . . . . . . . 5
Mounting Position and Space . . . . . . . . . . . . . . . . . 5
Suction Connection/Gas Inlet . . . . . . . . . . . . . . . . . 6
Gas Discharge . . . . . . . . . . . . . . . . . . . . . . . . . 6
Pressure Connection . . . . . . . . . . . . . . . . . . . . . . 6
Electrical Connection / Controls . . . . . . . . . . . . . . . . 6
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Connecting Electrically . . . . . . . . . . . . . . . . . . . . . 6
Connecting Lines/Pipes . . . . . . . . . . . . . . . . . . . . 7
Recording of Operational Parameters . . . . . . . . . . . . . 7
Operation Notes . . . . . . . . . . . . . . . . . . . . . . . . . 7
Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Maintenance Schedule. . . . . . . . . . . . . . . . . . . . . .
Monthly:. . . . . . . . . . . . . . . . . . . . . . . . . .
Every 6 Months:. . . . . . . . . . . . . . . . . . . . . .
Every Year:. . . . . . . . . . . . . . . . . . . . . . . . .
Every 2 Years:. . . . . . . . . . . . . . . . . . . . . . . .
Overhaul . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Removal from Service. . . . . . . . . . . . . . . . . . . . . . . . 9
Temporary Removal from Service. . . . . . . . . . . . . . . . . 9
Recommissioning . . . . . . . . . . . . . . . . . . . . . . . . . 9
Dismantling and Disposal . . . . . . . . . . . . . . . . . . . . . 9
Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 10
EC-Declaration of Conformity . . . . . . . . . . . . . . . . . . . 12
Busch – All over the World in Industry. . . . . . . . . . . . . .1
Preface
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 2
Preface
Congratulations on your purchase of the Busch side channel blower.
With watchful observation of the field’s requirements, innovation and
steady development Busch delivers modern vacuum and pressure solu-
tions worldwide.
These operating instructions contain information for
–product description,
–safety,
–transport,
–storage,
–installation and commissioning,
–maintenance,
–overhaul,
–troubleshooting and
–spare parts
of the side channel blower.
The ATEX-drive motor is subject to a separate instruction manual.
For the purpose of these instructions, “handling” the side channel
blower means the transport, storage, installation, commissioning, influ-
ence on operating conditions, maintenance, troubleshooting and over-
haul of the side channel blower.
Prior to handling the side channel blower these operating instructions
shall be read and understood. If anything remains to be clarified
please contact your Busch representative!
Keep these operating instructions and, if applicable, other pertinent
operating instructions available on site.
Technical Data
ATEX-classification, motor connection parameters, nominal speeds and
allowed differential pressures are given on the nameplate of the side
channel blower. More technical data, available sizes, versions and ac-
cessories are given in the current sales programme. In case of further
questions please contact your Busch representative.

Product Description
Use
The side channel blower is intended for
–the suction
–the compression
of
–mixtures of dry non-aggressive and non-toxic gases and/or dust
according to the identification on the nameplate of the side
channel blower (explanation see below)
Conveying media with a lower or higher density than air leads to an in-
creased thermal and/or mechanical load on theside channel blower
and is permissible only after prior consultation with Busch.
According to the directive /E5(“ATEX ”) theside
channelbloweris made for the intended use in potentially explosive
areas ac-cording to the data given on the nameplate of theside
channelblowerand on the data given on the nameplate of the drive
motor.
The classification on theside channel bloweris to be read as follows
(interpretations of equipment categories and zones for information
only; the relevant laws, directives and standards are literally binding;for
temperature classes and explosion groups see E. Brandes, W. Möller
“Sicherheitstechnische Kenngrößen, Band 1: Brennbare Flüssigkeiten
und Gase”, ISBN 3-89701-745-8 (or equivalent source)):
If the classifications with regard to the conveyed gas/air or dust/air
mixture on the one side and the environment of theside channel
bloweron the other side vary, the nameplate of theside channel
blowerreads the classification with regard to the conveyed gas/air or
dust/air mixture first and next, after a slash, the classification with re-
gard to the environment (example “3/2”).
II 3/2G c T3
Group II, for non-mining applications,
explosive atmosphere consisting of a mixture with air of flammable
substances in the form of gas in the process gas not likely to occur in
normal operation but, if it does occur, will persist for a short periodonly
(equipment category 3, for zone 2),
in the environment explosive atmosphere consisting of a mixture with
air of flammable substances in the form of gas, vapour or mist likely to
occur in normal operation occasionally (equipment category 2, forzone
1),
type of protection constructional safety,
for gases temperature class T3 in the process gas and in the environ-
ment.
Not for potentially explosive dust/air atmospheres.
II 3/2D c T 125°C
Group II, for non-mining applications,
in the process gas explosive atmosphere in the form of a cloud of com-
bustible dust in air not likely to occur in normal operation but, if it does
occur, will persist for a short period only (equipment category 3, for
zone 22),
in the environment explosive atmosphere in the form of a cloud of
combustible dust in air likely to occur in normal operation occasionally
(equipment category 2, for zone 21),
type of protection constructional safety,
maximum permissible surface temperature for the dust/air mixtures in
the process gas and in the environment greater equal 125 °C (acc. to
EN 50281-2-1 or IEC 61241-2-1 resp.).
Not for potentially explosive gas atmospheres.
II 3G T3
Group II, for non-mining applications,
in the process gas and in the environment explosive atmosphere con-
sisting of a mixture with air of flammable substances in the form of gas
(in the environment also vapour or mist) not likely to occur in normal
operation but, if it does occur, will persist for a short period only
(equipment category 3, for zone 2),
for gases temperature class T3 in the process gas and in the environ-
ment.
Not for potentially explosive dust/air atmospheres.
II 3D T 125°C
Group II, for non-mining applications,
in the process gas and in the environment explosive atmosphere in the
form of a cloud of combustible dust in air not likely to occur in normal
operation but, if it does occur, will persist for a short period only
(equipment category 3, for zone 22),
maximum permissible surface temperature for the dust/air mixtures in
the process gas and in the environment greater equal 125 °C (acc. to
EN 50281-2-1 or IEC 61241-2-1 resp.).
Not for potentially explosive gas atmospheres.
The gas shall be free from vapours that would condensate under the
temperature and pressure conditions inside theside channel blower.
The nominal value (=reference value for performance data) for the
temperature of the process gas is 15 °C. The max. allowed temperature
of the inlet gas is 40 °C.
The nominal value for the ambient temperature is 25 °C. The min. al-
lowed ambient temperature is -30 °C. The max. allowed ambient tem-
perature is 40 °C.
Binding data with regard to the allowed differential pressure are to be
read from the nameplate (value with negative sign (“-”) for vacuum
operation, value without sign for pressure operation). The data is valid
for ambient temperatures up to 25 °C and location altitudes up to1000
m above sea level. Higher ambient temperatures reduce the al-lowed
differential pressures by up to 10 percent at 40 °C. In case ofplacement
in altitudes beyond 1000 m above sea level the allowed dif-ferential
pressure shall be agreed upon with Busch.
Theside channel bloweris intended for continuous operation. Frequent
switching on and off increase the coil temperature. In this case the op-
erating conditions shall be agreed upon with Busch.
/NLYUSEVARIABLEFREQUENCYDRIVEINACCORDANCEWITH
ACCOMPANYINGINSPECTIONDOCUMENTFORINVERTERFEDEXPLOSION
PROOFMOTORS
The above mentioned limits must be strictly complied with. In partic-
ular the allowed differential pressures must not be violated by means
of throttling on the suction side or pressure side. Violation of the lim-
its results in increased temperatures and thus puts the explosionsafety
of theside channel blowerat risk.
The maximum allowed pressure on the pressure connection(d)is
2bar abs(the nameplate of theside channel blowerindicates thevalid
pressure). By means of process control it must be made surethat the
maximum allowed pressure will not be exceeded.
Product Description
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 3
a Directional arrows
b Terminal box
c Nameplate
d Gas discharge/ pressure
connection
e Inlet

Principle of Operation
The side channel blower works on the impulse principle, i.e. kinetic en-
ergy is transferred from the rotor to the conveyed medium and then is
converted into pressure.
For the two stage version:
2 stages, both working on the principle described above, are installed
in line in order to achieve a better ultimate/differential pressure.
The side channel blower compresses the inlet gas absolutely oil-free.
A lubrication of the pump chamber is neither necessary nor allowed.
Cooling
The side channel blower is cooled by
–radiation of heat from the surface of the side channel blower
–the air flow from the fan wheel of the drive motor
–the process gas
Start Controls
Theside channel blowercomes without start controls. The control of
theside channel bloweris to be provided in the course of installation.
Safety
Intended Use
Definition: For the purpose of these instructions, “handling” theside
channel blowermeans the transport, storage, installation, commission-
ing, influence on operating conditions, maintenance, troubleshooting
and overhaul of theside channel blower.
Theside channel bloweris intended for industrial use. It shall be han-
dled only by qualified personnel.
The allowed media and operational limits (Úpage3: Product De-
scription) and the installation prerequisites (Úpage5: Installation
Prerequisites) of theside channel blowershall be observed both by
the manufacturer of the machinery into which theside channel blower
is to be incorporated and by the operator.
In particular the intended use in potentially explosive areas, i.e. either
inside theside channel bloweror in its adjacency potentially explosive
atmosphere can occur, requires that theside channel bloweris
equipped accordingly and carries the Ex-mark and that the associated
documentation acc. to the directive /E5is available.
The maintenance instructions shall be observed.
Prior to handling theside channel blowerthese installation and oper-
ating instructions shall be read and understood. If anything remains
to be clarified please contact your Busch representative!
Safety Notes
Theside channel blowerhas been designed and manufactured accord-
ing to state-of-the-art methods. Nevertheless, residual risks may re-
main. These operating instructions highlight potential hazards where
appropriate. Safety notes are tagged with one of the keywords
DANGER, WARNING and CAUTION as follows:
DANGER_a
Disregard of this safety note will always lead to accidents with fa-
tal or serious injuries.
WARNING_a
Disregard of this safety note may lead to accidents with fatal or se-
rious injuries.
CAUTION_a
Disregard of this safety note may lead to accidents with minor inju-
ries or property damage.
Noise Emission
CAUTION_a4
Depending on the construction size the side channel blower can
emit noise of high intensity.
Depending on the operating state the side channel blower can emit
noise in a narrow band.
Risk of damage to the hearing.
Persons staying in the vicinity of a non noise insulated side channel
blower over extended periods shall wear ear protection.
Transport
Transport in Packaging
Side channel blowers individually packed in cardboard boxes can be
carried by hand.
Packed on a pallet the side channel blower is to be transported with a
forklift.
Transport without Packaging
In case the side channel blower is packed in a cardboard box with in-
flated cushions:
◆Remove the inflated cushions from the box
In case the side channel blower is in a cardboard box cushioned with
rolled corrugated cardboard:
◆Remove the corrugated cardboard from the box
In case the side channel blower is laid in foam:
◆Remove the foam
In case the side channel blower is bolted to a pallet or a base plate:
◆Remove the bolting between the side channel blower and the
pallet/base plate
In case the side channel blower is fastened to the pallet by means of
tightening straps:
◆Remove the tightening straps
In case the side channel blower weighs less than 20 kg and comes
without eyebolts for the attachment of lifting gear:
Version without handle:
◆Grasp the side channel blower with both hands
Version with handle:
◆Carry the side channel blower using the handle
In case the side channel blower comes with one or more eyebolts for
the attachment of lifting gear:
CAUTION_af
Do not walk, stand or work under suspended loads.
●Make sure that the eyebolt is in faultless condition (replace a dam-
aged, e.g. bent eyebolt with a new one)
●Make sure that the eyebolt is fully screwed in and tightened by
hand
●Attach lifting gear securely to the eyebolt on the cylinder
●Attach the lifting gear to a crane hook with safety latch
Safety
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 4

●Lift the side channel blower with a crane
In case the side channel blower was bolted to a pallet or a base plate:
◆Remove the stud bolts from the rubber feet
Storage
Short-term Storage
●Make sure that the suction connection/gas inlet and the gas dis-
charge/pressure connection are closed (leave the provided plugs
in)
●Store the side channel blower
–if possible in original packaging,
–indoors,
–dry,
–dust free and
–vibration free
Conservation
In case of adverse ambient conditions (e.g. aggressive atmosphere, fre-
quent temperature changes) conserve the side channel blower immedi-
ately. In case of favourable ambient conditions conserve the side
channel blower if a storage of more than 3 months is scheduled.
●Make sure that all ports are firmly closed; seal all ports that are not
sealed with PTFE-tape, gaskets or o-rings with adhesive tape
Note: VCI stands for “volatile corrosion inhibitor”. VCI-products (film,
paper, cardboard, foam) evaporate a substance that condenses in mo-
lecular thickness on the packed good and by its electro-chemical prop-
erties effectively suppresses corrosion on metallic surfaces. However,
VCI-products may attack the surfaces of plastics and elastomers. Seek
advice from your local packaging dealer! Busch uses CORTEC
VCI 126 R film for the overseas packaging of large equipment.
●Wrap the side channel blower in VCI film
●Store the side channel blower
–if possible in original packing,
–indoors,
–dry,
–dust free and
–vibration free.
For commissioning after conservation:
●Make sure that all remains of adhesive tape are removed from the
ports
●Commission the side channel blower as described in the chapter
Installation and Commissioning (Úpage 5)
Installation and
Commissioning
Installation Prerequisites
CAUTION_a
In case of non-compliance with the installation prerequisites, partic-
ularly in case of insufficient cooling:
Risk of damage or destruction of the side channel blower and ad-
joining plant components!
Risk of injury!
The installation prerequisites must be complied with.
●Make sure that the integration of the side channel blower is carried
out such that the essential safety requirements of the Machine Di-
rective 2006/42/EC are complied with (in the responsibility of the
designer of the machinery into which the side channel blower is to
be incorporated; Úpage 12: note in the EC-Declaration of Con-
formity)
Mounting Position and Space
●Make sure that the following ambient conditions will be complied
with:
–ambient temperature: –30 ... +40 °C
–ambient pressure: atmospheric
–altitude of location: up to 1000 m above sea level (at highter alti-
tudes reduction of allowed differenital pressure; to be agreed upon
with Busch)
●Make sure that the environmental conditions comply with the pro-
tection class of the drive motor (according to the nameplate)
●Make sure that the side channel blower can neither inadvertently
nor intentionally be stepped on and cannot be used as a support
for heavy objects
●Make sure that the side channel blower cannot be hit by falling
objects
The side channel blower can be operated with horizontal or vertical gas
flow
●Make sure that the mounting base is even
●Make sure thate there will a clearance of minimum 3.5 cm (up to
construction size 140) or 5.5 cm (as of constructions size 200) be-
tween the fan hood and nearby walls/ceiling
●Make sure that there will be a clearance of minimum 2 cm (up to
construction size 200), 3 cm (for construction size 310) or 4 cm (as
of constructions size 530), respectively, between the cover and
nearby walls/floor
In case of mounting with the drive motor in the uppermost position:
◆Make sure that no objects can fall into the motor fan (cooling
must not be impeded, though)
◆Provide vibration insulating rubber feet to fasten the side
channel blower to the floor
●Make sure that no heat sensitive parts (plastics, wood, cardboard,
paper, electronics) will touch the surface of the side channel
blower
●Make sure that the installation space or location is vented such
that a sufficient cooling of the side channel blower is warranted
CAUTION_ac
During operation the surface of the side channel blower may reach
temperatures of more than 70 °C.
Risk of burns!
●Make sure that the side channel blower will not be touched inad-
vertently during operation, provide a guard if appropriate
Storage
SB 0050 - 1400 D0/D2ATEX-Version
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page 5

Suction Connection/Gas Inlet
CAUTION_a
Intruding foreign objects or liquids can destroy the side channel
blower.
In case the inlet gas can contain dust or other foreign solid particles:
◆Make sure that a suitable filter (5 micron or less) is installed
upstream the side channel blower
◆Make sure that the filter is sufficiently ATEX-qualified (electri-
cally conductive, with equipotential bonding etc.; also for
non-combustible dusts!)
●Make sure that the suction line fits to the suction connection/gas
inlet (e) of the side channel blower
●Make sure that the pipe will cause no stress on the side channel
blower’s connection, if necessary use an expansion joint
●Make sure that the line size of the suction line over the entire
length is at least as large as the suction connection/gas inlet (e) of
the side channel blower
In case the length of the suction line exceeds 2 m it is prudent to use
larger line sizes in order to avoid a loss of efficiency and an overload of
the side channel blower. Seek advice from your Busch representative!
In case the vacuum shall be maintained after shutdown of the side
channel blower:
◆Provide a manual or automatic operated valve (= non-return
valve) in the suction line
●Make sure that the suction line does not contain foreign objects,
e.g. welding scales
Gas Discharge
In case of vacuum operation:
The discharged gas must flow without obstruction. It is not per-
mitted to shut off or throttle the discharge line or to use it at as a
pressurised air source.
●Make sure that the discharge line fits to the gas discharge (d) of
the side channel blower
●Make sure that the pipe will cause no stress on the side channel
blower’s connection, if necessary use an expansion joint
●Make sure that the line size of the discharge line over the entire
length is at least as large as the gas discharge (d) of the side
channel blower
In case the length of the discharge line exceeds 2 m it is prudent to use
larger line sizes in order to avoid a loss of efficiency and an overload of
the side channel blower. Seek advice from your Busch representative!
●Make sure that the discharge line either slopes away from the side
channel blower or provide a liquid separator or a drip leg with a
drain cock, so that no liquids can back up into the side channel
blower
Pressure Connection
●Make sure that the pressure line fits to the pressure connection (d)
of the side channel blower
●Make sure that the pipe will cause no stress on the side channel
blower’s connection, if necessary use an expansion joint
●Make sure that the line size of the pressure line over the entire
length is at least as large as the pressure connection (d) of the side
channel blower
In case the length of the pressure line exceeds 2 m it is prudent to use
larger line sizes in order to avoid a loss of efficiency and an overload of
the side channel blower. Seek advice from your Busch representative!
●Make sure that the pressure line either slopes away from the side
channel blower or provide a liquid separator or a drip leg with a
drain cock, so that no liquids can back up into the side channel
blower
Electrical Connection / Controls
●Make sure that installation instructions for the ATEX-drive motor
(separate leaflet) are available
●Observe the instructions given in the installation instructions man-
ual for the ATEX-drive motor
●Make sure that the stipulations acc. to the EMC-Directive
2004/108/EC and Low-Voltage-Directive 2006/95/EC as well as
the EN-standards, electrical and occupational safety directives and
the local or national regulations, respectively, are complied with
(this is the responsibility of the designer of the machinery into
which the side channel blower is to be incorporated; Úpage 12:
note in the EC-Declaration of Conformity).
●Make sure that the power supply for the drive motor is compatible
with the data on the nameplate of the drive motor
●Make sure that an overload protection according to EN 60204-1 is
provided for the drive motor
●Make sure that the drive of the side channel blower will not be af-
fected by electric or electromagnetic disturbance from the mains; if
necessary seek advice from the Busch service
In case of mobile installation:
◆Provide the electrical connection with grommets that serve as
strain-relief
Electrical circuits in zone 1 (outside) shall be executed intrinsically safe
in protection class ib acc. to EN 50020:2002.
Installation
Mounting
●Make sure that the Installation Prerequisites (Úpage 5) are com-
plied with
●Fasten the side channel blower at its location
Connecting Electrically
WARNING_ab
Risk of electrical shock, risk of damage to equipment.
Electrical installation work must only be executed by qualified per-
sonnel that knows and observes the following regulations:
- IEC 364 or CENELEC HD 384 or DIN VDE 0100, respectively,
- IEC-Report 664 or DIN VDE 0110,
- BGV A2 (VBG 4) or corresponding national accident prevention
regulation.
●Connect the drive motor according to the installation instructions
for the drive motor (separate leaflet)
●Electrically connect the drive motor
●Connect the protective earth conductor
●Provide an overload protection according to
EN 60204-1 for the motor.
●The electrical installation must comply with applicable national and
international standards.
CAUTION_ad
Operation in the wrong direction of rotation can destroy the side
channel blower in short time.
Risk of explosion!
Prior to starting-up it must be made sure that the side channel
blower is operated in the proper direction.
Installation and Commissioning
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 6

●Connect the suction line
Installation without suction line:
◆Make sure that the gas inlet (e) is open
●Connect the discharge line
or
●Connect the pressure line
Installation without discharge line:
◆Make sure that the gas discharge (d) is open
●Make sure that all provided covers, guards, hoods etc. are
mounted
●Make sure that cooling air inlets and outlets are not covered or ob-
structed and that the cooling air flow is not affected adversely in
any other way
In case the side channel blower comes with an eyebolt for the attach-
ment of lifting gear:
◆Make sure that the eyebolt is firmly tightened
Recording of Operational Parameters
As soon as the side channel blower is operated under normal operating
conditions:
●Measure the drive motor current and record it as reference for fu-
ture maintenance and troubleshooting work
Operation Notes
Use
WARNING_ad
The side channel blower is designed for operation under the
condi-tions described below.
In case of disregard risk of explosion!
The side channel blower must only be operated under the condi-
tions described below.
WARNING_ad
Operating a faulty side channel blower puts the explosion safety at
risk.
Risk of explosion!
The side channel blower must only be operated in faultless condi-
tion. A faulty side channel blower must immediately be removed
from service.
The side channel blower is intended for
–the suction
–the compression
of
–mixtures of dry non-aggressive and non-toxic gases and/or dust
according to the identification on the nameplate of the side
channel blower (explanation see below)
Installation and Commissioning
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 7
WARNING_ad
/PERATINGWITHVARIABLEFREQUENCYDRIVE
2ISKOFINJURYØ
2ISKOFDAMAGETOTHEMACHINEØ
/NLYUSEVARIABLEFREQUENCYDRIVEINACCORDANCEWITH
ACCOMPANYINGINSPECTIONDOCUMENTFORINVERTERFEDEXPLOSION
PROOFMOTORS
Conveying media with a lower or higher density than air leads to an in-
creased thermal and/or mechanical load on theside channel blower
and is permissible only after prior consultation with Busch.
According to the directive /E5(“ATEX ”) theside
channelbloweris made for the intended use in potentially explosive
areas ac-cording to the data given on the nameplate of theside
channelblowerand on the data given on the nameplate of the drive
motor.
The classification on theside channel bloweris to be read as follows
(interpretations of equipment categories and zones for information
only; the relevant laws, directives and standards are literally binding;
for temperature classes and explosion groups see E. Brandes, W. Möller
“Sicherheitstechnische Kenngrößen, Band 1: Brennbare Flüssigkeiten
und Gase”, ISBN 3-89701-745-8 (or equivalent source)):
If the classifications with regard to the conveyed gas/air or dust/air
mixture on the one side and the environment of theside channel
bloweron the other side vary, the nameplate of theside channel
blowerreads the classification with regard to the conveyed gas/air or
dust/air mixture first and next, after a slash, the classification with re-
gard to the environment (example “3/2”).
II 3/2G c T3
Group II, for non-mining applications,
explosive atmosphere consisting of a mixture with air of flammable
substances in the form of gas in the process gas not likely to occur in
normal operation but, if it does occur, will persist for a short period
only (equipment category 3, for zone 2),
in the environment explosive atmosphere consisting of a mixture with
air of flammable substances in the form of gas, vapour or mist likely to
occur in normal operation occasionally (equipment category 2, for
zone 1),
type of protection constructional safety,
for gases temperature class T3 in the process gas and in the environ-
ment.
Not for potentially explosive dust/air atmospheres.
II 3/2D c T 125°C
Group II, for non-mining applications,
in the process gas explosive atmosphere in the form of a cloud of com-
bustible dust in air not likely to occur in normal operation but, if it does
occur, will persist for a short period only (equipment category 3, for
zone 22),
in the environment explosive atmosphere in the form of a cloud of
combustible dust in air likely to occur in normal operation occasionally
(equipment category 2, for zone 21),
type of protection constructional safety,
maximum permissible surface temperature for the dust/air mixtures in
the process gas and in the environment greater equal 125 °C (acc. to
EN 50281-2-1 or IEC 61241-2-1 resp.).
Not for potentially explosive gas atmospheres.
II 3G T3
Group II, for non-mining applications,
in the process gas and in the environment explosive atmosphere con-
sisting of a mixture with air of flammable substances in the form of gas
(in the environment also vapour or mist) not likely to occur in normal
operation but, if it does occur, will persist for a short period only
(equipment category 3, for zone 2),
for gases temperature class T3 in the process gas and in the environ-
ment.
Not for potentially explosive dust/air atmospheres.
7HENUSINGMACHINESWITHVARIABLEFREQUENCYDRIVESTHE
MAXIMUMROTATIONSPEEDWRITTENONTHENAMEPLATEMUSTBE
ADHEREDTO
Connecting Lines/Pipes
●Determine the intended direction of rotation with the arrow (stuck
on or cast)
●“Bump” the drive motor
●Watch the fan wheel of the drive motor and determine the direc-
tion of rotation just before the fan wheel stops
If the rotation must be changed:
◆Switch any two of the drive motor wires

CAUTION_ac
During operation the surface of the side channel blower may reach
temperatures of more than 70 °C.
Risk of burns!
The side channel blower shall be protected against contact during
operation, it shall cool down prior to a required contact or heat pro-
tection gloves shall be worn.
CAUTION_a4
Depending on the construction size the side channel blower may
emit noise of high intensity.
Depending on the operating state the side channel blower may emit
noise in a narrow band.
Risk of damage to the hearing.
Persons staying in the vicinity of a non noise insulated side channel
blower over extended periods shall wear ear protection.
●Make sure that all provided covers, guards, hoods etc. remain
mounted
●Make sure that protective devices will not be disabled
●Make sure that cooling air inlets and outlets will not be covered or
obstructed and that the cooling air flow will not be affected ad-
versely in any other way
●Make sure that the installation prerequisites (Úpage 5: Installation
Prerequisites) are complied with and will remain complied with,
particularly that a sufficient cooling will be ensured
Maintenance
WARNING_ad
The approval of the side channel blower for use in potentially ex-
plosive areas remains valid only if the maintenance is conducted
regularly according to the maintenance schedule below and genu-
ine spare parts and consumables, approved for use in potentially
explosive areas by Busch, are used exclusively.
Maintenance work must be executed by qualified personnel, spe-
cially instructed in the maintenance of this type of side channel
blower by Busch.
DANGER_age32
In case the side channel blower conveyed gas that was contami-
nated with foreign materials which are dangerous to health, harm-
ful material can reside in filters.
Danger to health during inspection, cleaning or replacement of
filters.
Danger to the environment.
Personal protective equipment must be worn during the handling
of contaminated filters.
Contaminated filters are special waste and must be disposed of
separately in compliance with applicable regulations.
CAUTION_ac
During operation the surface of the side channel blower may reach
temperatures of more than 70 °C.
Risk of burns!
●Prior to disconnecting connections make sure that the connected
pipes/lines are vented to atmospheric pressure
Maintenance
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 8
The nominal value for the ambient temperature is 25 °C. The min. al-
lowed ambient temperature is -30 °C. The max. allowed ambient tem-
perature is 40 °C.
Binding data with regard to the allowed differential pressure are to be
read from the nameplate (value with negative sign (“-”) for vacuum
operation, value without sign for pressure operation). The data is valid
for ambient temperatures up to 25 °C and location altitudes up to1000
m above sea level. Higher ambient temperatures reduce the al-lowed
differential pressures by up to 10 percent at 40 °C. In case of
placement in altitudes beyond 1000 m above sea level the allowed dif-
ferential pressure shall be agreed upon with Busch.
Theside channel bloweris intended for continuous operation. Frequent
switching on and off increase the coil temperature. In this case the op-
erating conditions shall be agreed upon with Busch.
/NLYUSEVARIABLEFREQUENCYDRIVEINACCORDANCEWITH
ACCOMPANYINGINSPECTIONDOCUMENTFORINVERTERFEDEXPLOSION
PROOFMOTORS
The above mentioned limits must be strictly complied with. In partic-
ular the allowed differential pressures must not be violated by means
of throttling on the suction side or pressure side. Violation of the lim-
its results in increased temperatures and thus puts the explosionsafety
of theside channel blowerat risk.
The maximum allowed pressure on the pressure connection(d)is
2bar abs(the nameplate of theside channel blowerindicates thevalid
pressure). By means of process control it must be made surethat the
maximum allowed pressure will not be exceeded.
II 3D T 125°C
Group II, for non-mining applications,
in the process gas and in the environment explosive atmosphere in the
form of a cloud of combustible dust in air not likely to occur in normal
operation but, if it does occur, will persist for a short period only
(equipment category 3, for zone 22),
maximum permissible surface temperature for the dust/air mixtures in
the process gas and in the environment greater equal 125 °C (acc. to
EN 50281-2-1 or IEC 61241-2-1 resp.).
Not for potentially explosive gas atmospheres.
The gas shall be free from vapours that would condensate under the
temperature and pressure conditions inside theside channel blower.
The nominal value (=reference value for performance data) for the
temperature of the process gas is 15 °C. The max. allowed temperature
of the inlet gas is 40 °C.

Overhaul
WARNING_ad
Improper work on the side channel blower puts the operating
safety at risk.
Risk of explosion!
Approval for operation will be void!
Any dismantling of the side channel blower that is beyond of what
is described in this manual must be done by specially trained
Busch service personnel only.
DANGER_age32
In case the side channel blower conveyed gas that was contami-
nated with foreign materials which are dangerous to health, harm-
ful material can reside in pores, gaps and internal spaces of the
side channel blower.
Danger to health during dismantling of the side channel blower.
Danger to the environment.
Prior to shipping the side channel blower shall be decontaminated
as good as possible and the contamination status shall be stated in
a “Declaration of Contamination” (form downloadable from
www.buschvacuum.com).
Busch service will only accept side channel blowers that come with a
completely filled in and legally binding signed “Declaration of Contam-
ination” (form downloadable from www.buschvacuum.com).
Removal from Service
Temporary Removal from Service
●Prior to disconnecting pipes/lines make sure that all pipes/lines are
vented to atmospheric pressure
Recommissioning
●Observe the chapter Installation and Commissioning (Úpage 5)
Dismantling and Disposal
DANGER_age32
In case the side channel blower conveyed gas that was contami-
nated with foreign materials which are dangerous to health, harm-
ful material can reside in pores, gaps and internal spaces of the
side channel blower.
Danger to health during dismantling of the side channel blower.
Danger to the environment.
During dismantling of the side channel blower personal protective
equipment must be worn.
The side channel blower must be decontaminated prior to disposal.
●Make sure that materials and components to be treated as special
waste have been separated from the side channel blower
●Make sure that the side channel blower is not contaminated with
harmful foreign material
According to the best knowledge at the time of printing of this manual
the materials used for the manufacture of the side channel blower in-
volve no risk.
●Dispose of the side channel blower as scrap metal
Spare Parts
Theside channel blowercontains no user changeable parts. Over-
hauls/repairs must be done by specially trained Busch service personnel
only.
Overhaul
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 9
Maintenance Schedule
Note: The maintenance intervals depend very much on the individual
operating conditions. The intervals given below are upper limits that
must not be exceeded.
Particularly heavy duty operation, such like high dust loads in the envi-
ronment or in the process gas, other contaminations or ingress of pro-
cess material, can make it necessary to shorten the maintenance
intervals significantly.
Monthly:
●Make sure that the side channel blower is shut down and locked
against inadvertent start up
In case an inlet air filter is installed:
◆Check the inlet air filter, if necessary replace
In case of operation in a dusty environment:
◆Clean as described under Úpage 8: Every 6 Months:
Every 6 Months:
●Make sure that the housing is free from dust and dirt, clean if nec-
essary
●Make sure that the side channel blower is shut down and locked
against inadvertent start up
Note: Any kind of deposit on the side channel blower compromises the
explosion safety of the side channel blower.
●Clean the fan cowling, the fan wheel, the ventilation grille and the
cooling fins
●Check the electrical connection
Every Year:
●Make sure that the side channel blower is shut down and locked
against inadvertent start up
In case an inlet air filter is installed:
◆Replace the inlet air filter
In case an inlet screen is installed:
◆Check the inlet screen, clean if necessary
Every 2 Years:
●Have the bearings replaced by the Busch service

Troubleshooting
WARNING_ad
Vacuum pump/ Compressor/ Vacuum and pressure pump/ Blower for use in potentially explosive atmospheres.
The side channel blower must only be operated in faultless condition.
Risk of explosion in case of operation of faulty equipment!
A faulty side channel blower must immediately be removed from service.
In case of faults the cause of which cannot be determined the Busch service must be contacted.
WARNING_ab
Risk of electrical shock, risk of damage to equipment.
Electrical installation work must only be executed by qualified personnel that knows and observes the following regulations:
-IEC 364 or CENELEC HD 384 or DIN VDE 0100, respectively,
- IEC-Report 664 or DIN VDE 0110,
- BGV A2 (VBG 4) or equivalent national accident prevention regulation.
CAUTION_ac
During operation the surface of the side channel blower may reach temperatures of more than 70 °C.
Risk of burns!
Let the side channel blower cool down prior to a required contact or wear heat protection gloves.
Problem Possible Cause Remedy
The side channel blower does not reach the
usual pressure
The drive motor draws a too high current
(compare with initial value after commission-
ing)
Vacuum operation:
Evacuation of the system takes too long
Pressure operation:
Filling the system takes too long
Building up pressure in the system takes too
long
Vacuum operation:
The vacuum system or suction line is not
leak-tight
Pressure operation:
The pressure system or pressure line is not
leak-tight
Check the hose or pipe connections for possi-
ble leak
In case a screen is installed in the suction con-
nection/gas inlet (e):
The screen in the suction connection/gas inlet
(e) is partially clogged
Clean the screen
If cleaning is required too frequently install a
filter upstream
In case a filter is installed on the suction connec-
tion/gas inlet (e):
The filter on the suction connection/gas inlet
(e) is partially clogged
Clean or replace the inlet air filter, respectively
Partial clogging in the suction, discharge or
pressure line
Remove the clogging
Long suction, discharge or pressure line with
too small diameter
Use larger diameter
Internal parts are worn or damaged Repair the side channel blower (Busch service)
The gas conveyed by the side channel blower
smells displeasing
Process components evaporating under vac-
uum
Check the process, if applicable
The side channel blower does not start The drive motor is not supplied with the cor-
rect voltage or is overloaded
Supply the drive motor with the correct volt-
age
Troubleshooting
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 10

The drive motor starter overload protection is
too small or trip level is too low
Compare the trip level of the drive motor
starter overload protection with the data on
the nameplate, correct if necessary
One of the fuses has blown Check the fuses
The connection cable is too small or too long
causing a voltage drop at the side channel
blower
Use sufficiently dimensioned cable
The side channel blower or the drive motor is
blocked
Make sure the drive motor is disconnected
from the power supply
Remove the fan cover
Try to turn the drive motor with the side
channel blower by hand
If the side channel blower is blocked:
Repair the side channel blower (Busch service)
The drive motor is defective Replace the drive motor (Busch service)
The side channel blower is blocked Solid foreign matter has entered the side
channel blower
Repair the side channel blower (Busch service)
Make sure the suction line is equipped with a
screen
If necessary additionally provide a filter
Corrosion in the side channel blower from re-
maining condensate
Repair the side channel blower (Busch service)
Check the process
The side channel blower was run in the wrong
direction
Repair the side channel blower (Busch service)
When connecting the side channel blower
make sure the side channel blower will run in
the correct direction (Úpage 6: Installation)
The side channel blower starts, but labours or
runs noisily or rattles
The drive motor draws a too high current
(compare with initial value after commission-
ing)
Loose connection(s) in the drive motor termi-
nal box
Not all drive motor coils are properly con-
nected
The drive motor operates on two phases only
Check the proper connection of the wires
against the connection diagram
Tighten or replace loose connections
The side channel blower runs in the wrong di-
rection
Verification and rectification Úpage 5: Instal-
lation and Commissioning
Foreign objects in the side channel blower
Stuck bearings
Repair the side channel blower (Busch service)
The side channel blower runs very noisily Defective bearings Repair the side channel blower (Busch service)
The side channel blower runs very hot Insufficient air ventilation Make sure that the cooling of the side channel
blower is not impeded by dust/dirt
Clean the fan cowling, the fan wheel, the ven-
tilation grille and the cooling fins
Install the side channel blower in a narrow
space only if sufficient ventilation is ensured
Ambient temperature too high Observe the permitted ambient temperatures
Temperature of the inlet gas too high Observe the permitted temperatures for the
inlet gas
Insufficient gas transfer Check the process conditions
Mains frequency or voltage outside tolerance
range
Provide a more stable power supply
Partial clogging of filters or screens
Partial clogging in the suction, discharge or
pressure line
Remove the clogging
Long suction, discharge or pressure line with
too small diameter
Use larger diameter
Troubleshooting
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 11

EC-Declaration of Conformity
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page 12
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SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page1

SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page1

SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
page1

Busch – All over the World in Industry
www.buschvacuum.com
Australia
Busch Australia Pty. Ltd.
30 Lakeside Drive
Broadmeadows, Vic. 3047
Tel: [phone]
Fax: [phone]
Austria
Busch Austria GmbH
Industriepark Nord
2100 Korneuburg
Tel: 02262 / 756 65-0
Fax: 02262 / 756 65-20
Belgium
Busch N.V./Busch SA
Kruinstraat 7
9160 Lokeren
Tel: (0)9 / 348 47 22
Fax: (0)9 / 348 65 35
Brazil
Busch do Brasil Ltda.
Rod. Edgard Máximo Zambotto, Km 64
13240-000 Jarinu-SP
Tel: [phone]/5277
Fax: [phone]
Canada
Busch Vacuum Technics Inc.
1740, Boulevard Lionel Bertrand
Boisbriand (Montréal)
Québec J7H 1N7
Tel: [phone]
Fax: [phone]
Chile
Busch Chile S. A.
Calle El Roble N° 375-G
Lampa - Santiago
Tel: [phone]
Fax: [phone]
China
Busch Vacuum (Shanghai) Co., Ltd
No.5, Lane 195 Xipu Road
Songjiang Industrial Estate East New Zone
Shanghai 201611 PRC
Tel: [phone]
Fax: [phone]
Czech Republic
Busch Vakuum s.r.o.
Praāákova 10
619 00 Horní Heršpice
Brno
Tel: [phone]
Fax: [phone]
Denmark
Busch Vakuumteknik A/S
Parallelvej 11
8680 Ry
Tel: [phone]
Fax: [phone]
Finland
Busch Vakuumteknik Oy
Sinikellontie 4
01300 VANTAA
Tel: [phone]
Fax: [phone]
France
Busch France S.A.
Parc Technologique
de Bois Chaland CE 2922
91029 Evry Cedex
Tel: [phone]
Fax: [phone]
Germany
Dr.-Ing. K. Busch GmbH
Schauinslandstr. 1
79689 Maulburg
Tel: [phone]
Fax: [phone]
e-mail: [email protected]
Dr.-Ing. K. Busch GmbH
Niederlassung Nord
Ernst-Abbe-Str. 1-3
25451 Quickborn
Tel: [phone]
Fax: [phone]
Dr.-Ing. K. Busch GmbH
Niederlassung West
Nordring 35
64807 Dieburg
Tel: [phone]
Fax: [phone]
Dr.-Ing. K. Busch GmbH
Außenstelle Neuenrade
Breslauer Str. 36
58809 Neuenrade
Tel: [phone]
Fax: [phone]
Dr.-Ing. K. Busch GmbH
Niederlassung Süd-Ost
Gewerbestraße 3
90579 Langenzenn
Tel: [phone]
Fax: [phone]
Dr.-Ing. K. Busch GmbH
Außenstelle Zella-Mehlis
Am Rain 11
98544 Zella-Mehlis
Tel: [phone]
Fax: [phone]
Dr.-Ing. K. Busch GmbH
Außenstelle Meitingen-Ostendorf
Grüntenweg 8
86405 Meitingen-Ostendorf
Tel: [phone]
Fax: [phone]
India
Busch Vacuum India Pvt Ltd.
Plot No. 110, Sector 7
PCNTDA, Bhosari
Pune 411026, Maharashtra
Tel: [phone]
Fax: [phone]
Ireland
Busch Ireland Ltd.
A10-11 Howth Junction Business Centre
Kilbarrack, Dublin 5
Tel: [phone]
Fax: [phone]
Israel
Busch Israel Ltd.
1 Mevo Sivan Street
Qiryat Gat 82022, Israel
Tel: [phone]
Fax [phone]
Italy
Busch Italia S.r.l.
Via Ettore Majorana, 16
20054 Nova Milanese
Tel: [phone]
Fax: [phone]
Japan
Nippon Busch K.K.
1-23-33, Megumigaoka
Hiratsuka City, Kanagawa
Japan 259-1220
Tel: [phone]
Fax: [phone]
Korea
Busch Korea Ltd.
392-1 Yangji-Ri, Yangji-Myun,
Yongin-si, Kyunggi-Do
Tel: [phone]
Fax: [phone]
Malaysia
Busch (Malaysia) Sdn Bhd.
6 Jalan Taboh 33/22
Shah Alam Technology Park
Section 33
40400 Shah Alam
Selangor D. E.
Tel: [phone]
Fax [phone]
Mexico
Busch Vacuum Mexico S de RL de CV
Tlaquepaque 4865, Los Altos
Monterrey, Nuevo Leon
Mexico 64370
Tel: [phone]
Fax: [phone]
Netherlands
Busch B.V.
Pompmolenlaan 2
3447 GK Woerden
Postbus 2091
3440 DB Woerden
Tel: (0)348 - 462300
Fax: (0)348 - 422939
New Zealand
Busch New Zealand Ltd.
Unit D, 41 Arrenway Drive
Albany 0632
Auckland
Tel: [phone]
Fax: [phone]
Norway
Busch Vakuumteknikk AS
Hestehagen 2
1440 Drøbak
Tel: [phone]
Fax: [phone]
Poland
Busch Polska Sp. z o.o.
Ul. Chopina 27
87800 W»oc»awek
Tel: [phone]
Fax: [phone]
Portugal
Busch lbérica S.A., Sucursal em Portugal
Zona Industrial Raso de Travassô, Fracção B, Armazém 2
3750-753 Agueda
Aveiro, Portugal
Tel: [phone]
Fax: [phone]
Singapore
Busch Vacuum Singapore Pte Ltd
20 Shaw Road
#01-03 Ching Shine Building
Singapore 36 79 56
Tel: [phone]
Fax: [phone]
Spain
Busch Ibérica S.A.
C/ Jaume Ferran, 6-8
Pol. Ind. Coll de la Manya
08403 Granollers
Tel: [phone]
Fax: [phone]
Sweden
Busch Vakuumteknik AB
Bråta Industriområde
435 33 Mölnlycke
Tel: 031 - 338 00 80
Fax: 031 - 338 00 89
Switzerland
Busch AG
Waldweg 22
4312 Magden
Tel: 061 / 845 90 90
Fax: 061 / 845 90 99
Taiwan
Busch Taiwan Corporation
1F. No. 69, Sec. 3, Beishen Rd.
Shenkeng Township,
Taipei Country,
Taiwan (222), R.O.C
Tel: [phone]
Fax: [phone]
Thailand
Busch Vacuum (Thailand) Co., Ltd.
888/30 Moo19, Soi Yingcharoen, Bangplee-Tamru Rd.,
Bangpleeyai, Bangplee, Samutprakarn 10540 Thailand
Tel: [phone]
Fax: [phone]
Turkey
VAKUTEK
Emlak Kredi Ishani No: 179
81130 Üsküdar-Istanbul
Tel: [phone]
Fax: [phone]
United Kingdom
Busch (UK) Ltd
Hortonwood 30-35
Telford Shropshire TF1 7YB
Tel: [phone]
Fax: [phone]
USA
Busch, Inc.
516-B Viking Drive
Virginia Beach, VA 23452
Tel: [phone]
Fax: [phone]
Semiconductor Vacuum Group Inc.
Morgan Hill, CA 95037
Tel: [phone]
Fax: [phone]
SB 0050 - 1400 D0/D2ATEX-Version
0870145236/181122
Busch – All over the World in Industry
page1