Hydac OFU Manual

OFU
Filtromat
Operating and Maintenance Instructions
English (translation of original instructions)
Document No. : 3120755e
Follow these instructions for proper and safe use.
Keep for future reference.

Impressum
Manufacturer/publisher and responsible for the content:
Address of the manufacturer Contact address
HYDAC FILTER SYSTEMS GMBH HYDAC FILTER SYSTEMS GMBH
Industriegebiet Justus-von-Liebig-Str., Werk 20
66280 Sulzbach / Saar 66280 Sulzbach / Saar
Germany Germany
Telephone: [phone]
Telefax: [phone]
E-mail: [email protected]
Homepage: www.hydac.com
Court of registration: Saarbrücken, HRB 17216
Executive directors: Mathias Dieter, Dipl.Kfm. Wolfgang Haering
Documentation Representative
The contact data of the person authorized with the documentation is:
Günter Harge
c/o HYDAC International GmbH, Industriegebiet, 66280 Sulzbach / Saar
Germany
Telephone: [phone]
Telefax: [phone]
E-mail: [email protected]
Date of printing: 2/1/2021
© HYDAC FILTER SYSTEMS GmbH 2020
Subject to technical modifications.

HYDAC FILTER SYSTEMS GMBH Table of Contents
BeWa OFU 3120755e en-us print iii
Table of Contents
1 General .................................................................................................................... 6
1.1 Target group of the manual ............................................................................6
1.2 Illustrations in the manual...............................................................................7
1.2.1 Illustration on the title page ................................................................7
1.2.2 Representation of requirements.........................................................8
1.2.3 Representation of procedural instructions .........................................8
1.2.4 Representation of intermediate results/results...................................9
1.2.5 Representation of warning/general safety information.....................10
1.2.6 Signal words and their meaning in the general safety information ..11
1.3 Supplementary symbols ...............................................................................12
1.4 Exclusion of liability/warranty .......................................................................12
1.5 Notes on copyright .......................................................................................13
2 Safety ..................................................................................................................... 14
2.1 Target group/Required personnel qualification ............................................14
2.2 Hazard symbols / pictograms .......................................................................18
2.3 Danger notifications......................................................................................21
2.4 Observing regulatory information .................................................................22
2.5 Observing environmental precautions..........................................................22
2.6 Wear suitable clothing ..................................................................................23
2.7 Stoppage in an emergency (EMERGENCY STOP) .....................................23
2.8 Fire-fighting / Extinguishing a fire .................................................................23
3 Technical specifications ......................................................................................... 25
3.1 Proper/designated use .................................................................................26
3.2 Improper use or use deviating from intended use ........................................27
3.3 Checking the scope of delivery ....................................................................28
3.4 Dimensions...................................................................................................30
3.4.1 OFU - Dimensions ...........................................................................30
3.5 Hydraulic diagram ........................................................................................31
3.6 Technical Data .............................................................................................31
3.7 Decoding the name plate .............................................................................35
3.7.1 Model code ......................................................................................37
3.8 Requirements of the workplace & working environment ..............................38

Table of Contents HYDAC FILTER SYSTEMS GMBH
iv BeWa OFU 3120755e en-us print
4 Device description.................................................................................................. 39
5 Transporting/storing the filter unit........................................................................... 41
6 Setting up / assembly / integration of the filter unit ................................................ 42
6.1 Avoiding siphoning .......................................................................................43
6.2 Measuring or displaying the back pressure / differential pressure ...............45
6.3 Avoiding the mixing of oils - Emptying the filter unit .....................................46
6.4 Making the electrical connections ................................................................47
6.4.1 Connecting the filter unit with a three-phase electric motor .............47
6.5 Connecting the suction/pressure port...........................................................49
6.6 Attaching / connecting the suction / pressure hoses (Accessories) .............51
6.7 Inserting the filter element ............................................................................52
6.8 Commissioning.............................................................................................52
7 Operation ............................................................................................................... 53
7.1 Activate the main switch...............................................................................54
7.2 Observing the optical clogging indicator (optional).......................................55
8 Performing maintenance ........................................................................................ 56
8.1 Maintenance table ........................................................................................56
8.2 Changing the filter element ..........................................................................57
8.3 Checking/cleaning the strainer .....................................................................60
9 Decommissioning / Disposal .................................................................................. 62
9.1 Temporary shutdown....................................................................................62
9.2 Final Decommissioning ................................................................................62
9.3 Disposal........................................................................................................62
10 Appendix ................................................................................................................ 63
10.1 EC declaration of conformity ........................................................................63
10.2 Locating spare parts.....................................................................................63
10.2.1 Order filter elements ........................................................................64
10.2.1.1 Filter elements - size 1300 ......................................................64
10.2.1.2 Filter elements - size 2600 ......................................................65
10.3 Clogging indicators - technical data .............................................................66
10.3.1 Differential pressure indicator, visual – VMxB.x.............................66
10.3.2 Differential pressure indicator, visual – VMxBM.x..........................68

HYDAC FILTER SYSTEMS GMBH Table of Contents
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10.3.3 Differential pressure gauge, electric (VM x C.x) ..............................70
10.3.4 Differential pressure gauge, electric (VM x D.x /-L-xx) ....................72
10.4 Contacting Customer Service.......................................................................74
Glossary ................................................................................................................. 77
Index ...................................................................................................................... 79

1 | General HYDAC FILTER SYSTEMS GMBH
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1 General
Before you use this product for the first time, read this manual
at least up to the chapter "Operation". If you would like to carry
out maintenance or troubleshooting, you can find the proce-
dure in the respective chapters.
The use and the handling of the product as well as its use are
not self-explanatory and are described in detail in this manual.
This manual will help you to use the product as intended, prop-
erly, effectively, and safely. Please refer to it every time you re-
quire specific details or actions.
Validity of this manual
The diagrams and visualizations in this manual are meant for
general illustration purposes. Therefore, representations and
functional options can deviate from the delivered product.
We reserve the right to modifications to the contents of this
manual without prior notice.
1.1 Target group of the manual
This manual was created for the following target group:
Target group Tasks
Owner Keep this manual and the applicable doc-
uments at the installation location of the
product and also for later use.
Ask the employees to read and follow the
manual and the associated documents, in
particular, the safety and warning instruc-
tions.
Additionally, please observe the product-
related instructions and requirements.
Operator, specialist
personnel:
Read, observe and follow this manual and
the associated documents, in particular,
the safety and warning instructions.
Tab.1: Target group
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1.2 Illustrations in the manual
You will find illustrations in this manual. You can find details re-
garding these in the following chapters.
1.2.1 Illustration on the title page
You will find the following information on the title page of this
manual:
Short name of the product
Product name
Operating and Maintenance Instructions
Document no.: 12345678
English (translation of original instructions)
Valid from: - from s/no. - ... ... - ... ...
1
5
2
4
3
Fig.1: Overview / labeling of the title page
1 Short name of the product / product name
2 Type of document
3 Language
4 Document no. / Index
5 Supplementary instructions regarding the validity of the
manual (optional)
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1 | General HYDAC FILTER SYSTEMS GMBH
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Please note that you can directly access information through
the directories. However, this does not release you from the
obligation to read this manual fully before commissioning.
The document no. with the index (4) is meant for identifying
and reordering the manual. The index is incremented every
time the manual is revised or changed.
The manual contains a table of contents, a list of tables and
figures, an index and a glossary.
1.2.2 Representation of requirements
These are absolutely required for carrying out a work activity
on the product and are marked with a check mark and are in
bold in the text.
An example for the representation of requirements:
ühe product is assembled and connected.
üThe product is switched off.
1. Switch the product on.
1.2.3 Representation of procedural instructions
In the case of procedural instructions, there are the two follow-
ing representations:
Procedural instructions with a fixed sequence
Procedural instructions, whose sequence must be complied
with without fail are listed with sequential numbering (1., 2., 3.,
etc.).
An example for procedural instructions with a fixed sequence:
1. Remove the transport securing device.
2. First fill the product.
3. Switch the product on.
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Procedural instructions with a random sequence
Procedural instructions that have a random sequence are
listed as bullet points (-).
An example of a procedural instruction with a random se-
quence:
– Clean the display.
– Rinse the product.
1.2.4 Representation of intermediate results/results
In the case of some activities, it is necessary to carry out work
steps with intermediate results and end results.
Intermediate results are the consequence of activities; they are
marked with an indented arrow.
End results represent the end of an activity and are repre-
sented with a flag.
An example for a procedural instruction with intermediate re-
sult and final result:
1. Switch the product on.
ðThe display lights up.
2. Press the button.
OThe product is now ready for use.
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1 | General HYDAC FILTER SYSTEMS GMBH
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1.2.5 Representation of warning/general safety
information
All the warning / general safety information in this manual are
highlighted with pictograms and signal words. The pictogram
and the signal word give you information of the risk level of the
danger.
Warning/General Safety Information, which is placed ahead of
each activity, are represented as follows:
CAUTION
Type and source of danger
Hazard symbol
Consequence of the danger
Measures to avert danger
►
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1.2.6 Signal words and their meaning in the general
safety information
In these instructions you will find the following signal words:
DANGER
DANGER – The signal word indicates a hazardous situation
with a high level of risk, which, if not avoided, will result lethal
or serious injury.
WARNING
WARNING – The signal word indicates a hazardous situation
with a medium level of risk, which, if not avoided, can result
lethal or serious injury.
CAUTION
CAUTION – The signal word indicates a hazardous situation
with a low level of risk, which, if not avoided, can result in mi-
nor or moderate injury.
NOTICE
NOTICE – The signal word indicates a hazardous situation
with a high level of risk, which, if not avoided, will result in
damage to property.
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1 | General HYDAC FILTER SYSTEMS GMBH
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1.3 Supplementary symbols
You will find the following symbols in the manual as additional
details:
Tip for handling the product
Required tools
1.4 Exclusion of liability/warranty
For the warranty provided by us, please refer to the Terms of
Delivery. They are made available to you at the conclusion of
the contract at the latest. You will also find these under
www.hydac.com -> General Terms and Conditions (T&C).
This manual was prepared to the best of our knowledge. Nev-
ertheless and despite the greatest care, it cannot be excluded
that mistakes could have crept in. Therefore, please under-
stand that, in the absence of any provisions to the contrary
hereinafter, our warranty and liability – for any legal reasons
whatsoever – are excluded in respect of the information in this
manual. In particular, we shall not be liable for lost profit or
other financial loss.
This exclusion of liability does not apply in cases of intent and
gross negligence. Moreover, it does not apply to defects which
have been deceitfully concealed or whose absence has been
guaranteed, nor in cases of culpable harm to life, physical in-
jury and damage to health. If we negligently breach any mate-
rial contractual obligation, our liability shall be limited to fore-
seeable damage. Claims due to the Product Liability shall re-
main unaffected.
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1.5 Notes on copyright
All copyrights for this manual lies with the manufacturer. No
part of this manual may be reproduced in any form or pro-
cessed, duplicated or distributed using electronic systems with-
out the written consent of the manufacturer. Any infringements
to the above shall be liable to damage compensation.
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2 | Safety HYDAC FILTER SYSTEMS GMBH
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2 Safety
The product is designed as safe. In spite of that, there is dan-
ger in some actions that can only be avoided by using the right
procedures.
These correct procedures and points, which must be followed,
are described in this manual.
2.1 Target group/Required personnel qualification
These instructions are intended for owners, project engineers,
startup engineers, machine operators, service and mainte-
nance personnel.
The instructions explain the proper handling of the product to
the abovementioned target group. These instructions provide
the target group with an overview of the installation, commis-
sioning, operation, maintenance work and also troubleshooting
on the product.
An owner is the person who operates the product himself/her-
self for commercial or economic purposes or provides it to a
third party for use / application and bears the legal product re-
sponsibility to protect the user, the personnel or the third party.
The obligations of the owner are:
– To know and apply the applicable health and safety regu-
lations
– To determine the hazards arising at the operating site in
the risk assessment
– To create a user manual for the operation
– To regularly check if the user manual is consistent with the
current rules
– *To clearly lay down and define the responsibilities for the
installation, operation, troubleshooting, maintenance and
cleaning
– To ensure that all the employees have read and under-
stood the instructions
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HYDAC FILTER SYSTEMS GMBH Safety | 2
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– To train the personnel at regular intervals and to inform
them of the hazards
– To provide the necessary protective equipment to the per-
sonnel
Personnel who work with the product must be aware of the
dangers involved in handling it, must be over the age of 14 and
must be without any physical impediments in regard to the in-
dustrial environment.
These instructions are intended for:
Activity Personnel Knowledge
Transport, storage Specialist personnel
- General
Knowledge of trans-
port safety is re-
quired
Installation Specialist personnel
- Mechanical
Specialist personnel
- Electrical
Safe handling/use
of tools.
Product-specific
knowledge is re-
quired.
Commissioning Specialist personnel
- Mechanical
Safe handling/use
of tools.
Product-specific
knowledge is re-
quired.
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2 | Safety HYDAC FILTER SYSTEMS GMBH
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Activity Personnel Knowledge
Specialist personnel
- Electrical
Handling, operation,
operation monitor-
ing
Operating person-
nel - General
Product-specific
knowledge is re-
quired.
Knowledge about
handling the test liq-
uid is required
Troubleshooting,
service,
decommissioning,
dismounting
Specialist personnel
- Mechanical
Specialist personnel
- Electrical
Safe handling/use
of tools.
Product-specific
knowledge is re-
quired.
Disposal Specialist personnel
- General
Knowledge of envi-
ronmentally friendly
disposal of materi-
als and matter is re-
quired.
Knowledge of de-
contamination of
contaminants is re-
quired.
Knowledge of recy-
cling is required.
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Activity Personnel Knowledge
Transport
installation,
commissioning,
operation,
faultfinding,
trouble shooting,
maintenance,
disposal
Specialist personnel
- Service / Adminis-
tration
Service personnel /
Administrator / HY-
DAC Service.
Extensive experi-
ence of the product.
Tab.2: Target group / Required personnel qualification
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2 | Safety HYDAC FILTER SYSTEMS GMBH
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2.2 Hazard symbols / pictograms
The following are the safety symbols / pictograms in this man-
ual. They indicate specific dangers to persons, property or to
the surroundings. Observe these safety symbols / pictograms
and act with particular caution in such cases. Always keep all
symbols / pictograms intact and legible.
Warning signs used
These marks can be found for all safety and warning instruc-
tions in this manual which indicate particular dangers to per-
sons, property or the environment.
Danger point warning
Dangerous electrical voltage warning
Signs used for giving orders
These symbols can be found for all safety and warning instruc-
tions in this manual which indicate particular dangers to per-
sons, property or the environment.
Follow the instructions.
Pull the power plug before opening
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Wear eye protection.
Use protective gloves.
Used GHS symbols
These symbols can be found for all safety and warning instruc-
tions in this manual which indicate particular dangers to per-
sons, property or the environment.
Hazardous to the environment
Others symbols used
These marks can be found for all safety and warning instruc-
tions in this manual which indicate a particular danger to per-
sons, property or the environment.
Exposed electrical components
Danger due to operating pressure
Signs used for the required specialist personnel
These symbols show the required training/knowledge for in-
stallation work and/or maintenance work.
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2 | Safety HYDAC FILTER SYSTEMS GMBH
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Specialist personnel / operators
Such persons have had the corresponding spe-
cialist training and several years' work experi-
ence. They are able to assess and perform the
work assigned to them, they are also able to rec-
ognize potential dangers.
Specialist personnel - Electrician
Such persons have specific specialist training
and several years' work experience. They are
able to assess and perform the work assigned to
them, they are also able to recognize potential
dangers.
Specialist personnel - Mechanic
Such persons have specific specialist training
and several years' work experience. They are
able to assess and perform the work assigned to
them, they are also able to recognize potential
dangers.
Specialist personnel - Service / Administrator
These persons have been trained by the manu-
facturer and are authorized to perform service.
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