Elmo Rietschle G-BH1e Series User manual

G-Serie
G-Series
Seitenkanal
Side Channel
Edition: 12.2009 · 610.44521.40.000 Original operating instructions · English
Operating Instructions G-BH1e

2BH13..-..N
2BH14..-..N
2BH15..-..N
2BH16..-..N
2BH18..-..N

© 2009 Gardner Denver Deutschland GmbH · Industriestraße 26 · 97616 Bad Neustadt · Germany
Transmittal, reproduction, dissemination and/or editing of this document as well as utilization of its
contents and communication thereof to others without express authorization are prohibited. Offenders
will be held liable for payment of damages. All rights created by patent grant or registration of a utility
model or design patent are reserved.
Contents
Contents
Design of side channel blowers in conjunction with frequency inverters ........................................... 3
Quick start guide ................................................................................................................................ 4
1Safety instructions ...............................................................................................................................5
1.1 Definitions .................................................................................................................................5
1.1.1 Safety alert symbols and signal words.........................................................................5
1.1.2 Signal words.................................................................................................................5
1.1.3 Abbreviations used.......................................................................................................5
1.2 General safety and application notes........................................................................................5
1.3 Residual risks............................................................................................................................7
1.4 Application as directed..............................................................................................................9
1.5 Foreseeable Misuse................................................................................................................10
2Technical data ...................................................................................................................................11
2.1 Mechanical data ......................................................................................................................11
2.1.1 Weights ......................................................................................................................11
2.1.2 Noise level..................................................................................................................11
2.1.3 Temperature increase ................................................................................................11
2.2 Electrical data..........................................................................................................................12
2.3 General data/operating conditions ..........................................................................................13
3Transport and handling .....................................................................................................................14
3.1 Transport devices....................................................................................................................14
3.2 Transport types .......................................................................................................................14
4Installation .........................................................................................................................................15
4.1 Installation ...............................................................................................................................16
4.1.1 Important notes ..........................................................................................................16
4.1.2 Free spaces................................................................................................................17
4.1.3 Mounting.....................................................................................................................18
4.1.4 Final works .................................................................................................................19
4.2 Mounting of the muffler ...........................................................................................................19
4.3 Connecting the pump-motor unit to the system ......................................................................19
4.3.1 Important notes ..........................................................................................................19
4.3.2 Connecting the inlet line.............................................................................................20
4.3.3 Connecting the pressure line .....................................................................................20
4.4 Electrical installation................................................................................................................21
4.4.1 Important notes ..........................................................................................................21
4.4.2 Preparing works .........................................................................................................22
4.4.3 Connecting frequency inverters 2FC4152-1NE00 and 2FC4222-1NE00 ..................22
4.4.4 Connecting frequency inverters 2FC4302-1NE00 ... 2FC4752-1NE00 .....................25
4.4.5 Wiring of control connections .....................................................................................28
4.4.6 Final works .................................................................................................................31
5Commissioning..................................................................................................................................33
5.1 Preparation..............................................................................................................................33
5.2 Parameter setting....................................................................................................................34
5.2.1 The hand-held keypad 2FX4506-0NE00....................................................................34
5.2.2 Code table ..................................................................................................................36
5.3 Start-up of the pump-motor unit ..............................................................................................38
5.4 Shut-down of the pump-motor unit..........................................................................................39
6Operation...........................................................................................................................................40
7Shut-down and longer standstills ......................................................................................................41
7.1 Preparation..............................................................................................................................41
7.2 Storage conditions ..................................................................................................................41

© Gardner Denver Deutschland GmbH 3 / 52 610.44521.40.000
Design of side channel blowers in conjunction with frequency inverters
8Servicing............................................................................................................................................42
8.1 Repair/ troubleshooting...........................................................................................................42
8.1.1 Malfunctions at side channel blower ..........................................................................42
8.1.2 Frequency inverter status indications.........................................................................43
8.1.3 Fault indication at the keypad ....................................................................................44
8.1.4 Fault indication reset (TRIP-RESET) .........................................................................46
8.2 Service/ after-sales service.....................................................................................................46
8.3 Decontamination and declaration of clearance.......................................................................47
9Disposal.............................................................................................................................................48
Declaration of conformity.................................................................................................................. 49
Form for statement on safety ........................................................................................................... 50
Design of side channel blowers in conjunction with frequency inverters
1
4
7
2
3
11 5
6
8
9
10
2bhxn402
Position Description
1 Frequency inverter
2 Inlet connection with muffler and arrow indicating delivery direction
3 Discharge connection with muffler and arrow indicating delivery direction
4 Base
5 Arrow indicating direction of rotation
6 Blower cover
7 blower housing
8 Drive motor
9 Fan guard above the motor fan with rating plate, warning notices and arrow
indicating direction of rotation
10 Status display with 2 light-emitting diodes (red, green) 43
11 Communication interface for connecting the hand-held keypad 34
Fig. 1: Design of side channel blowers in conjunction with frequency inverters

610.44521.40.000 4 / 52 © Gardner Denver Deutschland GmbH
Quick start guide
Quick start guide
Side channel blowers are pre-configured for four
operating modes. It only takes a few steps and
they are ready for operation:
ACHTUNG
The drive motor is protected against
overheating by a thermal detector.
–If the drive motor gets too hot, the
frequency inverter will switch off the
pump-motor unit.
–Please contact the manufacturer if the
hydraulic process does not allow
immediate switch-off.
A minimum wiring is required for
commissioning! (21)
1 Read the safety instructions.
The safety instructions start on page 5.
2 Install the pump-motor unit and attach it.
Listing of the mounting steps starts on
page 15.
3 Wire the pump-motor unit.
Please observe that a minimum wiring is
required!
Otherwise commissioning of the pump-
motor unit is not possible.
Important notes concerning the wiring
start on page 21.
4 Put the pump-motor unit into operation.
Description of the commissioning steps
starts on page 33.
5 Adapt important process parameters.
Adapt acceleration and deceleration time to
the hydraulic process via C0012 and
C0013.
Description of parameter changing
starts on page 34.
6 Adjust the speed.
A) Speed adjustment using a potentiometer
The speed is adjusted via the analog input.
The speed can be adjusted between
aminimum and a maximum
value.Description of potentiometer wiring
starts on page 29.
B) Operation with several adjustable fixed
speeds
The speed of the pump−motor unit can be
adjusted in steps of 1000/min via the digital
inputs E3 and E4.
Description of the wiring of E3 and E4
starts on page29.
C) Operation with one fixed speed
Connect hand−held keypad.
Set required fixed speed under C0140.
Disconnect hand−held keypad.
The pump−motor unit will be operated with
this speed when switched on.
Description of hand−held keypad
connection and parameter changing
starts on page34.
D) Speed adjustment using the keypad
Connect hand−held keypad.
Select C0140.
Set the required speed during the
process using the keys _..
The pump−motor unit will be operated with
the last set speed when switched on.
Description of hand−held keypad
connection and parameter changing
starts on page34.

© Gardner Denver Deutschland GmbH 5 / 52 610.44521.40.000
Safety instructions
1 Safety instructions
1.1 Definitions
To point out dangers and important information,
the following signal words and symbols are used
in these Operating Instructions:
1.1.1 Safety alert symbols and signal words
The safety alert symbol is located in the safety
instructions in the highlighted heading field on the
left next to the signal word (DANGER,
WARNING, CAUTION).
Safety instructions with a safety alert symbol
indicate a danger of injuries.
Be sure to follow these safety instructions to
protect against injuries or death!
Safety instructions without a safety alert symbol
indicate a danger of damage. – Be sure to follow
these safety instructions to avoid material
damage!
1.1.2 Signal words
DANGER
WARNING
CAUTION
NOTICE
NOTE
The signal words are located in
the safety precautions in the
highlighted heading field.
They follow a certain hierarchy
and indicate (in conjunction with
the safety alert symbol, see
Chapter 1) the seriousness of
the danger and the type of
warning.
See the following explanations:
DANGER
Danger of injuries.
Indicates an imminently hazardous situation,
that will result in death or serious injury if the
corresponding measures are not taken.
WARNING
Danger of injuries.
Indicates a potentially hazardous situation, that
could result in death or serious injury if the
corresponding measures are not taken.
CAUTION
Danger of injuries.
Indicates a potentially hazardous situation, that
may result in minor or moderate injury if the
corresponding measures are not taken.
CAUTION
Danger of damage.
Indicates a potentially hazardous situation that
may result in property damage if the
corresponding measures are not taken.
NOTICE
Indicates a possible disadvantage, i.e.
undesirable conditions or consequences can
occur if the corresponding measures are not
taken.
NOTE
Indicates a possible advantage if the
corresponding measures are taken; tip.
1.1.3 Abbreviations used
Product designation
For gas side channel blower in conjunction with
frequency inverters the term pump−motor unit is
used in these Instructions.
Cross−reference
Cross−references to other parts of these
Instructions are marked with a book symbol:
(9)
1.2 General safety and application notes
WARNING
Improper use of the pump−motor unit can
result in serious or even fatal injuries!
These Operating Instructions
must have been read completely and
understood before beginning any work with
or at the pump−motor unit,
must be strictly observed,
must be available at the operating location of
the pump−motor unit.

610.44521.40.000 6 / 52 © Gardner Denver Deutschland GmbH
Safety instructions
WARNING
Improper use of the pump−motor unit can
result in serious or even fatal injuries!
Only operate the pump−motor unit
for the purposes indicated under "Application
as directed"!
with the media indicated under "Application
as directed"!
with the values indicated under "Technical
data"!
WARNING
Improper use of the pump−motor unit can
result in serious or even fatal injuries!
All work on and with the pump−motor unit
(transport, installation, operation, shut−down,
maintenance, disposal) may only be carried out
by trained, reliable expert personnel!
WARNING
When working on the pump−motor unit,
there is a danger of injury, e.g. in the form
of cuts/cutting off, crushing and burns!
During all work on and with the pump−motor
unit (transport, installation, operation,
shut−down, maintenance, disposal) wear
personal safety equipment (safety helmet,
safety gloves, safety shoes)!
WARNING
Hair and clothing can be pulled into the
pump−motor unit or caught and wound up
by moving parts! Do not wear long, loose
hair or wide, loose clothing! Use a hairnet!
DANGER!
Electrical danger!
Work on electrical installations may be carried
out by trained and authorized electricians only!
DANGER!
Electrical danger!
Before beginning work on the pump−motor unit
or system, the following measures must be
carried out :
Deenergize.
Secure against being switched on again.
Determine whether deenergized.
Ground and short−circuit.
Cover or block off adjacent energized parts.
DANGER!
Electrical danger!
Do not open the frequency inverter until
absence of electricity has been ensured!
WARNING
Danger due to vacuum and gauge pressure:
sudden escape of media (skin and eye
injuries), sudden drawing−in of hair and
clothing!
Danger due to escaping media: burns!
Use mounting elements, connections, lines,
fittings and containers with sufficient freedom
from leaks and strength for the pressures which
occur.
Check the mounting elements, connections,
lines, fittings and containers for strength, leaks
and firm seating at regular intervals!
WARNING
Danger from rotating parts (motor fan,
impeller, shaft): cutting/cutting off of
extremities, grasping/winding up of hair and
clothing!
Danger due to vacuum and gauge pressure:
sudden escape of media (skin and eye
injuries), sudden drawing−in of hair and
clothing!
Danger due to escaping media: burns!
Commissioning and operation only under the
following conditions:
The pump−motor unit must be completely
assembled. When doing so, pay particular
attention to the following components:
–the blower cover,
–the mufflers on inlet and discharge
connections,
–the fan guard.
The pipes and hoses must be connected to
inlet and discharge connections.
Inlet and discharge connections and the
connected pipes/hoses may not be closed,
clogged or soiled.
Check the mounting elements, connections
of the pipe/hose connections, lines, fittings
and containers for strength, leaks and firm
seating at regular intervals.

© Gardner Denver Deutschland GmbH 7 / 52 610.44521.40.000
Safety instructions
WARNING
Danger from rotating parts (motor fan,
impeller, shaft): cutting/cutting off of
extremities, grasping/winding up of hair and
clothing!
Danger due to vacuum and gauge pressure:
sudden escape of media (skin and eye
injuries), sudden drawing−in of hair and
clothing!
Danger due to escaping media: burns!
Before beginning work on the pump−motor unit,
take the following measures :
Shut down pump−motor unit and secure
against being switched on again.
Attach a sign on the system controller and
on the control elements for the pump−motor
unit: "DANGER! Maintenance work on the
vacuum pump/compressor! Do not switch
on!"
Wait for pump−motor unit to come to a
complete stop.
–Observe run−on time!
Allow pump−motor unit to cool!
Shut−off lines.
–Release pressure.
Make sure that no vacuum or gauge
pressure is present in the lines/tanks to be
opened.
Make sure that no media can escape.
WARNING
Danger from rotating impeller:
cutting/cutting off of extremities!
The rotating impeller is accessible with the inlet
and discharge connections open!
Do not reach into the pump−motor unit through
open connections!
Do not insert objects into the pump−motor unit
through the openings!
WARNING
Danger from rotating impeller:
cutting/cutting off of extremities!
The rotating impeller is accessible with the inlet
and discharge connections open!
With free entry and exit of gases, i.e. with direct
intake out of or direct feeding into the
atmosphere without piping, the following
therefore applies:
Provide the inlet and discharge connections
of the pump−motor unit either with additional
mufflers or with additional piping of a
sufficient length to prevent access to the
impeller!
WARNING
Danger of burns from hot surface of the
pump−motor unit and from hot media!
High temperatures of up to approx. 160 °C
[320 °F] can occur on the surface of the
pump−motor unit:
Cover the pump−motor unit with a suitable
touch protection (e.g. perforated plate cover
or wire cover).
Do not touch during operation!
Allow to cool after shut−down!
1.3 Residual risks
WARNING
Danger zone:
Hot surface of up to approx.160 °C [320 °F].
Hazard:
Possible burns.
Protective measures:
Cover the pump−motor unit with a suitable
touch protection (e.g. perforated plate cover or
wire cover).
WARNING
Danger zone:
Fan guard
Hazard:
Long, loose hair can be drawn into motor fan
through the fan guard grate, even with
fan guard mounted!
Protective measures:
Wear hair net!

610.44521.40.000 8 / 52 © Gardner Denver Deutschland GmbH
Safety instructions
WARNING
Danger zone:
Missing or defective muffler on inlet or
discharge connection.
Hazard:
Possible serious hearing damage due to
emitted noise.
Protective measures:
Have missing or defective mufflers replaced.
Conduct a noise measurement in the system
after installing the pump−motor unit.
The following measures must be taken by the
operator:
from 85 dB(A):
–Hearing protection must be available.
from 90 dB(A):
–Mark noise area with a warning sign.
–Wear hearing protection.
WARNING
Danger zone:
Environment of pump−motor unit.
Hazard:
Possible serious hearing damage due to
emitted noise.
Protective measures:
Conduct a noise measurement in the system
during operation after installing the
pump−motor unit.
The following measures must be taken by the
operator:
from 85 dB(A):
–Hearing protection must be available.
from 90 dB(A):
–Mark noise area with a warning sign.
–Wear hearing protection.
–With free entry and exit of gases, i.e. with
direct intake out of or direct feeding into
the atmosphere without piping, attach an
additional muffler.
CAUTION
Material damage at the frequency inverter
caused by switching on the device too
frequently with too short intervals.
In the case of cyclic mains switching for a
longer time period, allow at least 3 minutes
between two switch−on actions.
CAUTION
Material damage at the side channel blower
caused by too high speeds.
Do not set the output frequency at the
frequency inverter higher than the maximum
frequency specified in the documentation.
Use special overspeed monitors if
necessary.

© Gardner Denver Deutschland GmbH 9 / 52 610.44521.40.000
Safety instructions
1.4 Application as directed
Validity of the Operating Instructions
These Operating Instructions are valid for G-BH1e series side channel blowers in conjunction with
frequency inverters equipped with the following frequency inverters:
 



2FC 4 xxx - 1NE00 1x 35
Type
Supply voltage
4 = 400 V/500 V
Power
(e.g.152 = 15 ´ 102W = 1,5 kW)
(e.g.. 752 = 75 ´ 102W = 7,5 kW)
1NE00 = integrated inverter
Hardware version
Software version
nash_elmo Industries GmbH
Industriestrasse 26
D-97616 Bad Neustadt
Type
Input
Output
Prod.-ID Version
Prod.-No. Ser.-No.
1
3
2
ne2bhxn014
Fig. 2: Typschild
These Operating Instructions
contain instructions bearing on transport and
handling, installation, commissioning,
operation, shut−down, storage, servicing and
disposal,
must be completely read and understood by
all operating and servicing personnel before
beginning to work,
must be strictly observed,
must be available at the site of operation in a
complete and perfectly legible condition.
Operating and servicing personnel
These persons must be trained and
authorized for the work to be carried out.
Work on electrical installations may be carried
out by trained and authorized electricians
only.
G-BH1e series side channel blowers in
conjunction with frequency inverters
are pump−motor units for generating vacuum
or gauge pressure.
are used to extract, pump and compress the
following gases:
–Air,
–Non−flammable, non−aggressive,
non−toxic and non−explosive gases or
gas−air mixtures.
–With differing gases/gas−air mixtures,
inquire with the manufacturer.
are intended for industrial applications.
are designed for continuous operation:
–With increased switch−on frequency (at
equal intervals of approx. 5 times per hour)
or increased gas entry temperature and
ambient temperature, the limit
overtemperature of the winding and the
bearings can be exceeded.
–Consultation with the manufacturer is
required for operating conditions of this
kind.
are equipped with a three−phase drive motor
with mounted frequency inverter.
are available in the following models:
–single−impeller (single−stage)
–two−impeller (two−stage) for increased
pressure difference
–two−impeller (double−flow) for increased
delivery volume
During operation the limit values listed under
"Technical data" must always be complied with.
(11)

610.44521.40.000 10 / 52 © Gardner Denver Deutschland GmbH
Safety instructions
1.5 Foreseeable Misuse
It is prohibited
to use the pump−motor units in applications
other than industrial applications unless the
necessary protection is provided on the
system, e.g. touch guards suitable for
children’s fingers,
to use the pump−motor units in rooms in
which explosive gases can occur,
to extract, deliver and compress explosive,
flammable, corrosive or toxic media,
to operate the pump−motor units with values
other than those specified in the chapter
"Technical data".
Any unauthorized modifications of the
pump−motor units are prohibited for safety
reasons.
The operator is only permitted to perform the
maintenance and service work described in these
Operating Instructions.
Any maintenance and service work which goes
beyond this many only be performed by
companies authorized by the manufacturer
(inquire with the manufacturer).

© Gardner Denver Deutschland GmbH 11 / 52 610.44521.40.000
Technical data
2 Technical data
2.1 Mechanical data
2.1.1 Weights
WeightType
approx. [kg] approx. [lbs]
Single−impeller design
2BH1400-7.N1. 20 44
2BH1400-7.N2. 21 47
2BH1500-7.N3. 35 77
2BH1600-7.N3. 52 115
2BH180.-7.N0. 122 268
2BH180.-7.N1. 136 299
Two−impeller design
2BH1310-7.N2. 19 42
2BH1410-7.N4. 37 82
2BH1510-7.N5. 53 117
2BH1610-7.N3. 63 139
2BH1610-7.N4. 80 176
2.1.2 Noise level
Measurement conditions
Measuring-surface sound-pressure level as per
EN ISO 3744, measured at a distance of 1 m
[3.28 ft] at an operating point of approximately
2/3 of the permissible total pressure difference
with the lines connected without a vacuum or
pressure relief valve, tolerance 3 dB (A).
1−m measuring−surface
sound−pressure level L for
operation with output
frequency approx. [dB (A)]
Type
50 Hz 60 Hz 86 Hz
Single−impeller design
2BH1400-7.N1. 63 64 74
2BH1400-7.N2. 63 64 74
2BH1500-7.N3. 64 70 75
2BH1600-7.N3. 69 72 80
2BH180.-7.N0. 70 74 81
2BH180.-7.N1. 70 74 81
Two−impeller design
2BH1310-7.N2. 55 61 66
2BH1410-7.N4. 66 69 77
2BH1510-7.N5. 72 74 83
2BH1610-7.N3. 73 76 84
2BH1610-7.N4. 73 76 84
2.1.3 Temperature increase
The information listed in the following tables
corresponds to the heating of the side channel
housing and the air exiting compared to the
ambient temperature during operation with a
permissible total pressure difference and an air
pressure of 1013 mbar [14.7 psi]. At lower air
pressures these values increase.
Temperature increase for
operation with output
frequency
50 Hz
approx.
60 Hz
approx.
86 Hz
approx.
Type
∆T
[K]
∆υ
[F]
∆T
[K]
∆υ
[F]
∆T
[K]
∆υ
[F]
Single−impeller design
2BH1400-7.N1. 54 129 50 122
2BH1400-7.N2. 65 149 75 167
2BH1500-7.N3. 95 203 82 180
2BH1600-7.N3. 107 225 85 185
2BH180.-7.N0. 40 104 40 104
2BH180.-7.N1. 67 153 85 185
≤
120
≤
248
Two−impeller design
2BH1310-7.N2. 53 127 74 165
2BH1410-7.N4. 83 181 82 180
2BH1510-7.N5. 90 194 94 201
2BH1610-7.N3. 80 176 75 167
2BH1610-7.N4. 105 221 88 190
≤
120
≤
248

610.44521.40.000 12 / 52 © Gardner Denver Deutschland GmbH
Technical data
Tightening torques for screw connections
The following values apply if no other data are
given.
With non−electrical connections, property classes
of 8.8 and 8 or higher as per DIN ISO 898 (DIN
EN 20898 / DIN ISO 898) are assumed.
Tightening torques for
non−electrical connections
Thread [Nm] [lb-in]
M4 2,7 … 3,3 23,9 … 29,2
M5 3,6 … 4,4 31,9 … 38,9
M6 7,2 … 8,8 63,7 … 77,9
M8 21,6 … 26,4 191 … 234
M10 37,8 … 46,2 335 … 409
M12 63,0 … 77,0 558 … 681
Tightening torques for cable
and conduit glands Metal
Thread [Nm] [lb-in]
M12x1,5 4,0 … 6,0 35,4 … 53,1
M16x1,5 5,0 … 7,5 44,3 … 66,4
M20x1,5 6,0 … 9,0 53,1 … 79,7
M32x1,5
M40x1,5 8,0 … 12,0 70,8 … 106
Tightening torques for cable
and conduit glands Plastic
Thread [Nm] [lb-in]
M12x1,5 2,0 … 3,5 17,7 … 31,0
M16x1,5 3,0 … 4,0 26,6 … 35,4
M20x1,5 4,0 … 5,0 35,4 … 44,3
M32x1,5
M40x1,5 5,0 … 7,0 44,3 … 62,0
2.2 Electrical data
See rating plate.

© Gardner Denver Deutschland GmbH 13 / 52 610.44521.40.000
Technical data
2.3 General data/operating conditions
Conformity
CE Low−Voltage Directive
Vibration resistance
Acceleration resistant up to 2g (Germanischer Lloyd, general conditions)
Vibration velocity
max. veff 4 mm/s [0,013 ft/s] Depending on the application case and the
system type it may be necessary to use vibration
dampers.
Site altitude
min. 0 m üNN [0 ft amsl]
max. 1000 m üNN [3280 ft amsl] For installations above 1000 m amslA [3280 ft
amsl] consultation of the manufacturer is
required.
Climatic conditions
Class 3K3 to EN 50178 (without condensation, relative humidity 30 ... 95 %)
Ambient temperatures
Transport min. -25°C [-13°F]
max. +70°C [+158°F]
Storage min. -25°C [-13°F]
max. +60°C [+140°F]
Operation min. -20°C [-4°F]
max. +40°C [+104°F]
rated value +25°C [+77°F]
Between +25 °C [+77 °F] and +40 °C [+104 °F]
reduce the total pressure difference indicated on
the rating plate by 0.7 %/°C [0.4 %/°F].
Operation at higher temperatures may damage
the winding and shorten the grease change
interval.
Temperature of pumped gases
max. +40°C [+104°F]
rated value +15°C [+59°F]
Pump−motor units for higher media
temperatures Pump on request.
Pressures
Inlet pressure min. See rating plate
Discharge pressure
during compressor
operation
max. See rating plate
Permissible total
pressure difference
max. See rating plate The total pressure difference specified on the
rating plate only applies under the following
conditions:
Ambient temperature: 25 °C [77 °F]
Temperature of the pumped gas at the inlet
connection: 15 °C [59 °F]
Pressure:
–for vacuum−pump operation: 1013 mbar
[14.7 psia] at the discharge connection
–for compressor operation:
1013 mbar [14.7 psia] at the inlet
connection
zulässiger Druck im
Aggregat
max. 2 bar abs. [29 psia] At this pressure the operation of the
pump−motor unit may be considerably impaired.
Provide a corresponding protective device (e.g.
pressure relief valve) if necessary.

610.44521.40.000 14 / 52 © Gardner Denver Deutschland GmbH
Transport and handling
3 Transport and handling
WARNING
Tipping or falling can lead to crushing,
broken bones etc.!
Sharp edges can cause cuts!
Wear personal safety equipment (safety
gloves, safety shoes and safety helmet)
during transport!
WARNING
Danger from lifting heavy loads!
Manual handling of the pump−motor unit is only
permitted within the following limits:
max. 30 kg [max. 66 lbs] for men
max. 10 kg [max. 22 lbs] for women
max. 5 kg [max. 11 lbs] for pregnant women
For weights above the given values use
suitable lifting appliances and handling
equipment!
Weight of the pump−motor units: (11)
WARNING
Danger from tipping or falling loads!
Prior to transport and handling make sure
that all components are securely assembled
and secure or remove all components the
fasteners of which have been loosened!
When transporting with lifting equipment,
observe the following basic rules:
–The lifting capacity of lifting equipment
and lifting gear must be at least equal to
the unit’s weight. For the weight of the
pump−motor units see:: (11)
–The pump−motor unit must be secured
so that it cannot tip or fall.
–Do not stand or walk under suspended
loads!
3.1 Transport devices
All pump−motor units with a weight of more than
30 kg are equipped with an eye bolt at the side
channel housing.
The crane hook can be hooked directly into the
eye bolt.
Alternatively the pump−motor units can be
transported with lifting belts.
WARNING
Danger from tipping or falling loads!
Place the lifting belts under the side channel
housing and under the motor.
Attach the lifting belts in such a way that the
suspending pump−motor unit is balanced
and cannot slip out of the lifting belts.
3.2 Transport types
CAUTION
Pump−motor unit damage caused by
improper manual handling!
Do not carry the pump−motor unit by holding
it at the frequency inverter!
Avoid heavy impact loads during transport.
CAUTION
Pump−motor unit damage caused by
improper transport with lifting appliances!
Do not attach the lifting appliances to the
frequency inverter!
The eye bolt at the side channel housing
must
–be screwed tightly.
–be exactly in axial direction of the
pump−motor unit. Lay shims under the
eye bolt if necessary.
Loads laterally to the ring level are not
permissible.
Avoid heavy impact loads during transport.
Type of transportType
manually with lifting
appl.
Single−impeller design
2BH1400-7.N1. X
2BH1400-7.N2. X
2BH1500-7.N3. X
2BH1600-7.N3. X
2BH180.-7.N0. X
2BH180.-7.N1. X
Two−impeller design
2BH1310-7.N2. X
2BH1410-7.N4. X
2BH1510-7.N5. X
2BH1610-7.N3. X
2BH1610-7.N4. X

© Gardner Denver Deutschland GmbH 15 / 52 610.44521.40.000
Installation
4 Installation
WARNING
Improper use of the pump−motor unit can
result in serious or even fatal injuries!
Have you read the chapter "Safety
instructions"? (5)
Otherwise you may not carry out any work with
or on the pump−motor unit!
DANGER!
Danger from missing view into area of
pump−motor unit!
When operating the control elements without a
view into the area of the pump−motor unit,
there is a danger that the pump−motor unit will
be switched on while other persons are still
performing work on it. Severest injuries are
possible!
Provide control elements at a location with a
view of the pump−motor unit.
DANGER!
Electrical danger!
The pump−motor unit must be installed so that
the electrical equipment cannot be damaged by
external influences!
In particular, the incoming cables must be
routed securely, e.g. in cable ducts, in the floor
etc.
WARNING
Danger of balance damage caused by
vibration!
Vibrating environments can cause balance
damage!
Install the pump−motor unit on a solid
foundation or on a solid mounting surface.
Check screw glands/unions for mounting the
pump−motor unit on the mounting surface
regularly for strength and firm seating.
WARNING
Danger of crushing due to pump−motor unit
tipping over!
Wear personal safety equipment (safety gloves
and safety shoes).
Handle the pump−motor unit with the
appropriate care.
Install the pump−motor unit on a solid
foundation or on a solid mounting surface!
Check screw glands/unions for mounting the
pump−motor unit on the mounting surface
regularly for strength.
WARNING
Danger of fire from flammable substances!
The pump−motor unit must never come into
contact with flammable substances.
For exact information on the temperature
increase see: (11).
WARNING
Danger of burns from hot surface of the
pump−motor unit and from hot media!
High temperatures of up to approx. 160 °C
[320 °F] can occur on the surface of the
pump−motor unit.
The pump−motor unit must be installed so that
accidental touch of its surface is not possible.
Cover the pump−motor unit with a suitable
touch protection (e.g. perforated plate cover or
wire cover).
WARNING
Danger of injuries from flying parts!
Select installation so that parts that are thrown
out through the grate if the motor fan breaks
cannot hit persons!
CAUTION
Danger of tripping and falling!
Make sure the pump−motor unit does not
present a danger of tripping.
Lay cables and pipes so that they cannot be
reached during operation (recessed in floor, in
ducts on the wall etc.).

610.44521.40.000 16 / 52 © Gardner Denver Deutschland GmbH
Installation
CAUTION
Danger of overheating due to hot surface of
pump−motor unit!
High temperatures can occur on the surface of
the pump−motor unit.
Temperature−sensitive parts, such as cables or
electronic components, may not come into
contact with the surface of the pump−motor
unit.
CAUTION
Danger of pump−motor unit damage caused
by penetration of foreign bodies!
On delivery all connection openings are closed
in order to prevent the penetration of foreign
bodies. Remove the seals right before the
respective mounting step.
Installation sequence
The pump−motor unit is ready to connect on
delivery.
CAUTION
The pump−motor unit may be damaged if it
is installed and commissioned after longer
storage periods without special preparation!
If the pump−motor unit was stored for a longer
period prior to installation, it has to be prepared
for installation: (41)
Carry out the following steps to install the
pump−motor unit:
1 Set up the pump−motor unit and attach it.
2 Mount the muffler (supplied loose) if
necessary.
3 Mount the threaded flange or hose flange to
the muffler if necessary.
4 Connect inlet and discharge connections to
the system.
5 Establish electrical connection.
4.1 Installation
CAUTION
Pump−motor unit damage caused by
incorrect mounting or use under
impermissible ambient conditions!
Install and connect the pump−motor unit only
according to the instructions given in this
chapter.
If the pump−motor unit is to be used under
differing operating conditions, the manufacturer
must be consulted.
NOTE
Dimensioned drawings with detailed
dimensions, including fastening dimensions,
are provided by the manufacturer.
4.1.1 Important notes
Ambient conditions
The pump−motor unit is suitable for installation
in a dusty or damp environment,
in buildings,
in the open.
–For proper installation in the open, protect
the pump−motor unit from exposure to
intensive sunlight, e.g. by attaching a
protective roof.
–Further special protective devices against
the effects of weathering are not required.
The motors of the units are to enclosure IP55.
The insulation is tropic−proof.
Installation conditions
Attach the pump−motor unit only to even
surfaces.
Do not exceed the maximum permissible
vibration velocity veff = 4mm/s [0.013 ft/s].
Installation altitude max. 1000 m amsl [3280 ft
amsl].
–When installing at an altitude of more than
1000 m [3280 ft] above sea level, first
inquire with the manufacturer.

© Gardner Denver Deutschland GmbH 17 / 52 610.44521.40.000
Installation
Noise radiation
In order to reduce the noise radiation,
do not mount pump−motor unit on
noise−conducting or noise−radiating parts
(e.g. thin walls or sheet−metal plates).
provide pump−motor unit with
sound−insulating intermediate layers (e.g.
rubber buffers under the base of the
pump−motor unit) if necessary.
install the pump−motor unit on a stable
foundation or on a rigid mounting surface.
This will ensure quiet and low−vibration
running of the pump−motor unit.
Components for reducing noise on the
pump−motor unit:
Muffler (included in the scope of supply)
–On delivery the pump−motor units are
equipped with attached mufflers as
standard.
–The mufflers considerably reduce the noise
radiation.
Additional muffler (available as accessories):
–The additional mufflers enable a further
noise reduction.
–They may only be used in systems without
piping, i.e. with direct intake out of the
atmosphere or direct feeding into the
atmosphere.
Noise protection hoods (available as
accessories):
–Noise protection hoods are suitable for
installation in rooms and in the open.
–They reduce the overall sound pressure
level and tonal components that are
perceived as particularly annoying.
Installation variants
Units with motors without condensation water
openings can be installed in different ways:
horizontally,
vertically on the cover of the side channel
housing ("cover installation"),
vertically on a wall.
CAUTION
Danger of rusting due to collection of
condensed water in drive motor area!
Install and attach units with motors equipped
with condensation water openings only
horizontally, base at the bottom.
4.1.2 Free spaces
CAUTION
Material damage caused by overheating of
the pump−motor unit!
It is absolutely necessary to observe the
required free spaces in order to cool the
pump−motor unit sufficiently.
Ventilation screens and ventilation openings
must remain clear.
The discharge air of other pump−motor units
may not be directly sucked in again!
> 100 mm > 100 mm
[ > 4in ] [ > 4in ]
> 100 mm
[ > 4 in ]
b
a
Ne2bhxn001
a bType
[mm] [in] [mm] [in]
2BH13..
2BH14.. > 34 > 1,34
2BH15..
> 20 > 0,79
2BH16.. > 30 > 1,18
2BH18.. > 40 > 1,57
> 53 > 2,09
Fig. 3: Free spaces

610.44521.40.000 18 / 52 © Gardner Denver Deutschland GmbH
Installation
4.1.3 Mounting
NOTE
Dimensioned drawings with detailed
dimensions, including fastening dimensions,
are provided by the manufacturer.
Horizontal installation
ne2bhxn002d
Fig. 4: Schematic diagram: horizontal installation
Mounting sequence:
1 Select suitable mounting elements.
2 Attach the pump−motor unit to the surface:
–Screw the base of the pump−motor unit to
the surface via the mounting holes.
–When doing so, be sure to provide all
mounting holes with screws!
Vertical installation on the cover of the gas
ring blower (”cover installation”)
NOTE
You need three rubber feet for the "cover
installation" of the pump−motor unit.
The rubber feet are available as accessories.
They come with a stud bolt on one side and a
threaded hole on the other side.
WARNING
Danger of crushing caused by pump−motor
unit tipping over!
Avoid free−standing installation of the
pump−motor unit!
Always screw the rubber feet to the foundation
or to the installation surface!
Check screw connections regularly for
tightness.
ne2bhxn002c
Fig. 5: Schematic diagram: installation on the cover
of the side channel housing
Mounting sequence:
1 Attach the rubber feet to the pump−motor unit:
– Screw the stud bolts of the rubber feet into
the bore holes in the cover of the gas ring
blower housing.
– Tighten the rubber feet.
2 Mount the pump−motor unit together with the
rubber feet on the installation surface:
–Select suitable mounting elements for the
threaded hole.
–Screw the rubber feet to the installation
surface via the threaded holes.
Vertical mounting on a wall
ne2bhxn002a
ne2bhxn002b
Fig. 6: Schematic diagram: vertical mounting on a
wall

© Gardner Denver Deutschland GmbH 19 / 52 610.44521.40.000
Installation
Mounting sequence:
1 Select suitable mounting elements.
2 Position the pump−motor unit as close to the
wall as possible on a stable supporting plate
with sufficient load−bearing capacity.
–The pump−motor unit must be positioned
with the base towards the wall.
3 Attach the pump−motor unit to the wall:
–Screw the base of the pump−motor unit to
the wall via the mounting holes.
–When doing so, be sure to provide all
mounting holes with screws!
4 Remove the supporting plate.
4.1.4 Final works
After installing the pump−motor unit, the eye bolt
must be removed or screwed tightly.
4.2 Mounting of the muffler
The pump−motor units are supplied with mufflers
for inlet and discharge connections as standard.
The mufflers are marked by arrows in the
following drawings.
2BH1400 … 2BH180. (single−impeller
pump−motor units)
ne2bhxn004a
Fig. 7: Mounting of the muffler 2BH1400 … 2BH180.
With the following pump−motor units, the
inlet−side muffler is included loose for
packaging−related reasons. It must be mounted
by the operator.
2BH1310 … 2BH1610 (two−impeller
pump−motor units with two−stage design)
ne2bhxn004b
Fig. 8: Mounting of the muffler 2BH1310 … 2BH1610
WARNING
Danger from rotating impeller:
cutting/cutting off of extremities!
The rotating impeller is accessible with the inlet
and discharge connections open!
With free entry and exit of gases, i.e. with direct
intake out of the atmosphere or direct feeding
into the atmosphere without piping, the
following therefore applies:
Provide the inlet and discharge connections of
the pump−motor unit either with additional
mufflers or with additional piping of a sufficient
length to prevent access to the impeller!
4.3 Connecting the pump-motor unit to the
system
4.3.1 Important notes
Delivery direction of the gases
The pumped gases are sucked in via the inlet
connection and discharged via the discharge
connection.
The delivery direction of the gases is marked by
arrows on the connections:
The inlet connection with the corresponding
muffler is marked by an arrow pointing into the
pump−motor unit.
The discharge connection with the
corresponding muffler is marked by an arrow
pointing out of the pump−motor unit.

610.44521.40.000 20 / 52 © Gardner Denver Deutschland GmbH
Installation
Rotation direction of the shaft
The rotation direction of the shaft is marked by an
arrow on the cover of the side channel housing
and by an arrow on the fan guard of the motor.
WARNING
Danger from interchanging inlet and
pressure line!
Interchanged inlet and pressure lines can lead
to damage to the pump−motor unit and the
system, and as a result of this to serious
injuries!
Make sure that the inlet and the pressure line
cannot be confused when connecting.
Pay attention to the clear marking with the
arrows indicating the delivery direction on the
inlet and discharge connections.
WARNING
Danger due to vacuum and gauge pressure!
Danger due to escaping media!
During operation, connected pipes and vessels
are vacuumized or pressurized!
Use only mounting elements, connections,
lines, fittings and containers with sufficient
freedom from leaks and strength for the
pressures which occur.
Make sure that the mounting elements and
connections are mounted firmly enough and
leak−free!
CAUTION
If the pumped gases are passed on the
discharge side in a closed pipe system, then it
must be ensured that the pipe system is
adapted to the maximum discharge pressure.
Connect a pressure relief valve upstream if
necessary.
NOTE
Attach pipes/hoses free of mechanical
tensions.
Support the weight of the pipes/hoses.
4.3.2 Connecting the inlet line
WARNING
Danger from solid bodies and impurities in
the pump−motor unit!
If solid bodies penetrate into the pump−motor
unit, blades of the impellers can break and
broken pieces can be thrown out.
Install a filter in the inlet line. Replace filter
regularly!
The pumped gases are taken in via the inlet line.
Connect the inlet line to the inlet connection.
–The inlet connection with the
corresponding muffler is marked by an
arrow pointing into the pump−motor unit.
A If you use an inlet pipe, you can screw it
directly into the muffler.
B If you use an inlet hose, you need a hose
flange available as accessories:
–Screw the hose flange to the muffler.
–Push the hose onto the hose flange and
secure it with a hose clamp.
–Observe tightening torques (12)
4.3.3 Connecting the pressure line
The pumped gases are discharged via the
pressure line.
Connect the pressure line to the discharge
connection.
–The discharge connection with the
corresponding muffler is marked by an
arrow pointing out of the pump−motor unit.
A If you use a pressure pipe, you can screw it
directly into the muffler.
B If you use a pressure hose, you need a hose
flange available as accessories:
–Screw the hose flange to the muffler
–Push the hose onto the hose flange and
secure it with a hose clamp.
–Observe tightening torques (12)