BUSCH PUMA WP 0250 D4 User manual

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Instruction Manual
PUMA
Vacuum Booster
WP 0250 D4, WP 0500 D2/D4, WP 0700 D2,
WP 1000 D2/D4, WP 1250 D2, WP 2000 D2
0870571055/-0006_en / Original instructions / Modifications reserved 15/09/2021

Table of Contents
2 / 24 Instruction Manual PUMA WP 0250-2000 D_EN_en
Table of Contents
1 Safety .......................................................................................................................................3
2 Product Description ..................................................................................................................4
2.1 Operating Principle .......................................................................................................... 5
2.2 Application....................................................................................................................... 5
2.3 Variants............................................................................................................................ 5
2.3.1 D2 Versions...........................................................................................................5
2.3.2 D4 Versions...........................................................................................................5
2.3.3 Water Cooling.......................................................................................................6
3 Transport ..................................................................................................................................6
4 Storage .....................................................................................................................................7
5 Installation................................................................................................................................7
5.1 Installation Conditions...................................................................................................... 7
5.2 Connecting Lines / Pipes .................................................................................................. 7
5.2.1 Gas Flow Variants.................................................................................................. 8
5.2.2 Suction Connection ............................................................................................... 8
5.2.3 Discharge Connection ........................................................................................... 8
5.2.4 Cooling Water Connection ....................................................................................9
5.3 Filling Oil.......................................................................................................................... 10
5.4 Electrical Connection ........................................................................................................ 11
5.4.1 Wiring Diagram Three-Phase Motor...................................................................... 12
6 Commissioning.........................................................................................................................13
7 Maintenance.............................................................................................................................14
7.1 Maintenance Schedule ..................................................................................................... 15
7.2 Oil Level Inspection.......................................................................................................... 15
7.3 Oil Colour Inspection ....................................................................................................... 16
7.4 Oil Change....................................................................................................................... 16
8 Overhaul...................................................................................................................................18
9 Decommissioning.....................................................................................................................19
9.1 Dismantling and Disposal ................................................................................................. 19
10 Spare Parts................................................................................................................................19
11 Troubleshooting .......................................................................................................................20
12 Technical Data..........................................................................................................................22
13 Oil ............................................................................................................................................22
14 EU Declaration of Conformity...................................................................................................23

Safety | 1
Instruction Manual PUMA WP 0250-2000 D_EN_en 3 / 24
1 Safety
Prior to handling the machine, this instruction manual should be read and understood. If
anything needs to be clarified, please contact your Busch representative.
Read this manual carefully before use and keep for future reference.
This instruction manual remains valid as long as the customer does not change anything
on the product.
The machine is intended for industrial use. It must be handled only by technically trained
personnel.
Always wear appropriate personal protective equipment in accordance with the local
regulations.
The machine has been designed and manufactured according to state-of-the-art meth-
ods. Nevertheless, residual risks may remain. This instruction manual highlights potential
hazards where appropriate. Safety notes and warning messages are tagged with one of
the keywords DANGER, WARNING, CAUTION, NOTICE and NOTE as follows:
DANGER
... indicates an imminent dangerous situation that will result in death or serious injuries if
not prevented.
WARNING
... indicates a potentially dangerous situation that could result in death or serious injuries.
CAUTION
... indicates a potentially dangerous situation that could result in minor injuries.
NOTICE
... indicates a potentially dangerous situation that could result in damage to property.
NOTE
... indicates helpful tips and recommendations, as well as information for efficient and
trouble-free operation.

2 | Product Description
4 / 24 Instruction Manual PUMA WP 0250-2000 D_EN_en
2 Product Description
IN
ODP, MP
OSGNP
MTBOSGOFP
OR
OUTODP, MP
CWC
WP 1000 D4 / WP 2000 D2
IN Suction connection MTB Motor terminal box
OUT Discharge connection MP Magnetic plug
NP Nameplate OFP Oil fill plug
ODP Oil drain plug OSG Oil sight glass
OR Oiler (with lip seals only)
CWC Cooling water connection (WP 1000 D4 / WP 2000 D2 only)
NOTE
Technical term.
In this instruction manual, we consider that the term ‘machine’ refers to the ‘vacuum
booster’.

Product Description | 2
Instruction Manual PUMA WP 0250-2000 D_EN_en 5 / 24
NOTE
Illustrations
In this instruction manual the illustrations may differ from the machine appearance.
2.1 Operating Principle
The machine works on the Roots blower principle.
The two oil housings (on each side) allow the lubrication of the gears, bearings and in
certain versions the oil lubricated mechanical seals.
2.2 Application
The machine is intended for the suction of air and other dry, non-aggressive, non-toxic
and non-explosive gases.
Conveying of other media leads to an increased thermal and/or mechanical load on the
machine and is permissible only after a consultation with Busch.
The machine is intended for the placement in a non-potentially explosive environment.
The vacuum booster is used in combination with a backing pump in vacuum system.
The machine is suitable for continuous operation.
Permitted environmental conditions, see Technical Data [►22].
NOTICE
Chemical compatibility of the process gases with the machine component materials.
Risk of corrosion inside the compression chamber which can reduce performance and
its lifetime!
• Check if the process gases are compatible with those following materials:
- Cast iron
- Steel
- Aluminium
- Fluoroelastomer (FKM/FPM)
• In doubt, please contact your Busch representative.
2.3 Variants
2.3.1 D2 Versions
The D2 versions (ex: WP 0500 D2) have a differential pressure of 50 hPa with a maxi-
mum motor speed of 3600 min-1 at 60 Hz.
Refer to the nameplate (NP) in order to know what the machine version is.
2.3.2 D4 Versions
The D4 versions (ex: WP 0500 D4) are characterised by a particularly high differential
pressure of 80 hPa with a maximum motor speed of 1800 min-1 at 60 Hz.
Refer to the nameplate (NP) in order to know what the machine version is.