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Summary of Contents for Hydac OFU
- Page 1 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.
- Page 2 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: +49 6897 509 1511 Telefax: +49 6897 509 1394 E-mail: guenter.harge@hydac.com...
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Page 3: Table Of Contents
Checking the scope of delivery .............. 28 Dimensions.................... 30 3.4.1 OFU - Dimensions ................ 30 Hydraulic diagram .................. 31 Technical Data ..................... 31 Decoding the name plate ................ 35 3.7.1 Model code .................. 37 Requirements of the workplace & working environment ...... 38 BeWa OFU 3120755e en-us print... - Page 4 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 BeWa OFU 3120755e en-us print...
- Page 5 HYDAC FILTER SYSTEMS GMBH Table of Contents 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 BeWa OFU 3120755e en-us print...
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Page 6: General
Additionally, please observe the product- related instructions and requirements. Operator, specialist Read, observe and follow this manual and personnel: the associated documents, in particular, the safety and warning instructions. Tab. 1: Target group 6 / 84 BeWa OFU 3120755e en-us print... -
Page 7: Illustrations In The Manual
Fig. 1: Overview / labeling of the title page Short name of the product / product name Type of document Language Document no. / Index Supplementary instructions regarding the validity of the manual (optional) BeWa OFU 3120755e en-us print 7 / 84... -
Page 8: Representation Of Requirements
(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. 8 / 84 BeWa OFU 3120755e en-us print... -
Page 9: Representation Of Intermediate Results/Results
An example for a procedural instruction with intermediate re- sult and final result: 1. Switch the product on. ð The display lights up. 2. Press the button. O The product is now ready for use. BeWa OFU 3120755e en-us print 9 / 84... -
Page 10: Representation Of Warning/General Safety Information
Warning/General Safety Information, which is placed ahead of each activity, are represented as follows: CAUTION Type and source of danger Consequence of the danger Hazard symbol Measures to avert danger ► 10 / 84 BeWa OFU 3120755e en-us print... -
Page 11: Signal Words And Their Meaning In The General Safety Information
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. BeWa OFU 3120755e en-us print 11 / 84... -
Page 12: Supplementary Symbols
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. -
Page 13: Notes On Copyright
Any infringements to the above shall be liable to damage compensation. BeWa OFU 3120755e en-us print 13 / 84... -
Page 14: Safety
– *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 14 / 84 BeWa OFU 3120755e en-us print... - Page 15 Installation Specialist personnel Safe handling/use - Mechanical of tools. Product-specific knowledge is re- quired. Specialist personnel - Electrical Commissioning Specialist personnel Safe handling/use - Mechanical of tools. Product-specific knowledge is re- quired. BeWa OFU 3120755e en-us print 15 / 84...
- Page 16 Specialist personnel Knowledge of envi- - General 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. 16 / 84 BeWa OFU 3120755e en-us print...
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Page 17: Tab. 2 Target Group / Required Personnel Qualification
Service personnel / installation, - Service / Adminis- Administrator / HY- commissioning, tration DAC Service. operation, Extensive experi- faultfinding, ence of the product. trouble shooting, maintenance, disposal Tab. 2: Target group / Required personnel qualification BeWa OFU 3120755e en-us print 17 / 84... -
Page 18: Hazard Symbols / Pictograms
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 18 / 84 BeWa OFU 3120755e en-us print... - Page 19 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. BeWa OFU 3120755e en-us print 19 / 84...
- Page 20 Specialist personnel - Service / Administrator These persons have been trained by the manu- facturer and are authorized to perform service. 20 / 84 BeWa OFU 3120755e en-us print...
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Page 21: Danger Notifications
High solid particle contamination in the fluid / at the bottom of the tank The pump will be damaged/destroyed u Do not prime fluid directly at the bottom of the tank. u Do not prime fluid in the sump. BeWa OFU 3120755e en-us print 21 / 84... -
Page 22: Observing Regulatory Information
Take all measures to protect the environment. Ensure that no operating medium is released into the environment (soil or wa- ter). Remove any leaked operating medium immediately and in an environmentally sound manner. 22 / 84 BeWa OFU 3120755e en-us print... -
Page 23: Wear Suitable Clothing
EN 2 to extinguish any fires / to fight fires. Maintain a minimum safe distance from electrical components. For a mains voltage of up to 1000 V, the minimum safe dis- tance is 1 m. Fig. 2: Fire protection class B BeWa OFU 3120755e en-us print 23 / 84... -
Page 24: Fig. 3 Minimum Distance For Fire Fighting
2 | Safety HYDAC FILTER SYSTEMS GMBH Fig. 3: Minimum distance for fire fighting 24 / 84 BeWa OFU 3120755e en-us print... -
Page 25: Technical Specifications
HYDAC FILTER SYSTEMS GMBH Technical specifications | 3 3 Technical specifications BeWa OFU 3120755e en-us print 25 / 84... -
Page 26: Proper/Designated Use
The manufacturer assumes no responsibility for determining the interfaces for installation in a system or the installation, use or functionality of the product in this system. 26 / 84 BeWa OFU 3120755e en-us print... -
Page 27: Improper Use Or Use Deviating From Intended Use
3.2 Improper use or use deviating from intended use Any use extending beyond this or deviating therefrom shall not be considered intended use. HYDAC FILTER SYSTEMS GMBH will assume no liability for any damage resulting from such use. This risk is borne solely by the owner. -
Page 28: Checking The Scope Of Delivery
Following belongs to the scope of delivery: Qty. OFU, including the suction and pressure hose and the power supply cable with the power plug (model according to the purchase order - see the model... -
Page 29: Fig. 4 Checking The Scope Of Delivery
HYDAC FILTER SYSTEMS GMBH Technical specifications | 3 Fig. 4: Checking the scope of delivery BeWa OFU 3120755e en-us print 29 / 84... -
Page 30: Dimensions
Depending on the version, the filter unit has different dimen- sions. You can find details regarding these in the following chapters. 3.4.1 OFU - Dimensions The OFU filter unit has the following dimensions. Fig. 5: Dimensions of the OFU All dimensions are in mm. 30 / 84... -
Page 31: Hydraulic Diagram
Permissible pressure at -0.4 … 0.6 bar suction port (IN) Permissible fluid tempera- -10 … 80°C ture range Permissible ambient tem- -10 … 40 °C perature range Permitted storage tempera- 10 … 40°C ture range Permitted relative humidity ≤ 95 %, non-condensing during storage BeWa OFU 3120755e en-us print 31 / 84... - Page 32 Tab. 4: Technical data Permissible operating fluid Mineral oils and mineral oil- based raffinates. Permitted operating pres- ≤ 10 bar sure Hydraulic connections 1“ according to ISO 228 32 / 84 BeWa OFU 3120755e en-us print...
- Page 33 380/420 V AC, 50 Hz, 3 Ph 440/690 V AC, 50 Hz, 3 Ph Power consumption 380/420 V AC = 5.5 kW 440/690 V AC = 5.5 kW Protection class IP54 Connector cable, length 10 m Filter element size 1300 / 2600 Filter element type Betamicron / AQUAMICRON BeWa OFU 3120755e en-us print 33 / 84...
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Page 34: Tab. 5 Technical Data
Emission sound pressure < 70 db(A) level L Design service life The intended service life of the filter unit is not limited if the ser- vice and maintenance intervals are complied with. Tab. 5: Technical data 34 / 84 BeWa OFU 3120755e en-us print... -
Page 35: Decoding The Name Plate
3.7 Decoding the name plate Identification details of the filter unit can be found on the name plates on the filter unit and the components. Always mention the part no. and the serial no. when contacting HYDAC. Fig. 6: Decoding the type label Item Description ->... -
Page 36: Tab. 6 Decoding The Type Label
Flow rate -> Flow rate Temp. Oil -> Permissible oil temperature range Temp. Amb. -> Permitted ambient temperature range Volume -> Oil volume in the filter unit Tab. 6: Decoding the type label 36 / 84 BeWa OFU 3120755e en-us print... -
Page 37: Model Code
HYDAC FILTER SYSTEMS GMBH Technical specifications | 3 3.7.1 Model code The filter unit is defined by the following model code: OFU 10 P 2 N 2 B 05 B / - Product Type code 10 = Standard = Special designs on request... - Page 38 Requirements of the workplace as well as the working environ- ment can be found in the chapter "Technical data" under: – Permitted ambient temperature range – Protection class according to DIN EN 60529 (IEC 529) 38 / 84 BeWa OFU 3120755e en-us print...
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Page 39: Device Description
HYDAC FILTER SYSTEMS GMBH Device description | 4 4 Device description The filter unit has the following components/operating ele- ments: Fig. 8: Components/operating elements of the OFU BeWa OFU 3120755e en-us print 39 / 84... - Page 40 Filter housing air vent BLEED Motor pump assembly Differential pressure indicator Suction hose with lance and suction strainer Filter housing drain DRAIN Pressure hose with lance Main switch with motor protection switch Protective screen 40 / 84 BeWa OFU 3120755e en-us print...
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Page 41: Transporting/Storing The Filter Unit
Transport the filter unit only in standing position. Store the filter unit in a standing position in clean and dry rooms. The conditions required for storage are given in chapter Technical data. BeWa OFU 3120755e en-us print 41 / 84... -
Page 42: Setting Up / Assembly / Integration Of The Filter Unit
– Observe the maximum permissible ambient temperature and constant supply of cooling air to avoid overheating. – Make sure that there is sufficient space above the filter housing to replace the filter elements. 42 / 84 BeWa OFU 3120755e en-us print... -
Page 43: Avoiding Siphoning
Fig. 9: Avoiding siphoning Environmentally tip Siphoning effect Reservoir overflowing/leaking = oil spill u Remove the ends of the hoses from the reservoir after op- eration or shut the shut-off device in the suction line. BeWa OFU 3120755e en-us print 43 / 84... - Page 44 After the filter unit is switched off, the height difference/pri- mary pressure can cause flow to occur both in the feed direc- tion and against the feed direction and the fluid can leak un- controllably. 44 / 84 BeWa OFU 3120755e en-us print...
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Page 45: Measuring Or Displaying The Back Pressure / Differential Pressure
= Back-pressure ∆p4 = Differential pressure p4 = Back-pressure In the example, the back pressure at the first measurement point shows the total of the subsequent pressures in the hy- draulic system. BeWa OFU 3120755e en-us print 45 / 84... -
Page 46: Avoiding The Mixing Of Oils - Emptying The Filter Unit
– Modified response to water – More deposits due to additive reactions – More system contamination due to detached deposits – Changed water/air absorption and air release behavior – Greater tendency to foam 46 / 84 BeWa OFU 3120755e en-us print... -
Page 47: Making The Electrical Connections
5. Check the direction of rotation of the electric motor by switching it on briefly (jog mode). The direction of rota- tion required is indicated by an arrow on the fan cover. BeWa OFU 3120755e en-us print 47 / 84... - Page 48 7. Switch the filter unit on or off at the main switch. Depending on the version, the filter unit has thermal protection in the motor windings and a motor protection switch in the ter- minal box to protect it from electrical overload. 48 / 84 BeWa OFU 3120755e en-us print...
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Page 49: Connecting The Suction/Pressure Port
– Use a suction hose that is suitable for a vacuum of ≥ -0.5 bar (e.g. -1 bar). – Avoid constrictions in the connected hoses. This reduces the power and increases the risk of cavitation. BeWa OFU 3120755e en-us print 49 / 84... - Page 50 – Ensure that the connecting lines (suction side / pressure side) do not transfer any voltage or cause vibrations on the unit. Use hoses or compensators if necessary. 50 / 84 BeWa OFU 3120755e en-us print...
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Page 51: Attaching / Connecting The Suction / Pressure Hoses (Accessories)
Secure the hose so that it cannot fall out or float. Check that no shut-off devices in the lines/hoses are ob- structed. Make sure there is a depressurized outlet. BeWa OFU 3120755e en-us print 51 / 84... -
Page 52: Inserting The Filter Element
5 minutes of operation, then switch it off and fill the motor pump group with fluid through the suction hose. Subsequently switch the filter unit on again. O The filter unit is ready for operation. 52 / 84 BeWa OFU 3120755e en-us print... -
Page 53: Operation
The optical/electrical clogging indicator signals the required fil- ter element change via the lamp on the main switch and by switching the filter unit off. When the contamination display has responded, exchange the filter element. BeWa OFU 3120755e en-us print 53 / 84... -
Page 54: Activate The Main Switch
Depending on the version with a visual or electrical clogging in- dicator, the main switch differs according to the following fig- ure: Fig. 12: Activate the main switch L Main switch / E-STOP L1 Indicator lamp of filter element is dirty 54 / 84 BeWa OFU 3120755e en-us print... -
Page 55: Observing The Optical Clogging Indicator (Optional)
Change the filter element at a permissible differential pressure across the filter element or once the clogging indicator enters the red zone. Fig. 13: Observe the opti- cal clogging indicator BeWa OFU 3120755e en-us print 55 / 84... -
Page 56: Performing Maintenance
Observing the op- tical clogging indi- cator (optional) Operation Checking/clean- ing the strainer Changing the fil- ter element Changing the fil- ter element 1 - Operating personnel; 2 - Specialist personnel – Mechanical 56 / 84 BeWa OFU 3120755e en-us print... -
Page 57: Changing The Filter Element
3. Loosen the four star gripped screws on the filter cover anticlockwise. 4. Fold the star gripped screws down and press them fur- ther against the filter housing. This pushes the filter cover of the filter housing upwards. BeWa OFU 3120755e en-us print 57 / 84... - Page 58 NOTICE! Do not use striking tool for this. 9. Check the O-ring on the cover for damage, if necessary replace it. Slightly moisten the O-ring on the cover with an operat- ing medium. 58 / 84 BeWa OFU 3120755e en-us print...
- Page 59 Unscrew the bleed screws with ≈ four turns and wait till the oil emits on the bleed screws (BLEED). Subsequently close the bleed screw (BLEED). 14. Check the filter unit for leaks. O The replacement of the filter element is complete. BeWa OFU 3120755e en-us print 59 / 84...
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Page 60: Checking/Cleaning The Strainer
2. Drain the filter housing at the connection DRAIN. Collect the oil with a suitable oil drain container. Return the oil to the tank or dispose it in an environmen- tally safe manner. DRAIN 60 / 84 BeWa OFU 3120755e en-us print... - Page 61 7. Insert the cleaned strainer (3) in the valve. 8. Manually screw the cover (1) in with an installed seal (2) clockwise. 9. Tighten it with the wrench = 50 mm. O The checking/cleaning of the strainer is complete. BeWa OFU 3120755e en-us print 61 / 84...
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Page 62: Decommissioning / Disposal
Dispose of the dismounted individual parts/drained operating fluids/fluids in an environmentally friendly manner. Follow the respective national regulations. 62 / 84 BeWa OFU 3120755e en-us print... -
Page 63: Appendix
Use only original spare parts for a long and defect-free life cy- cle of the product. When ordering spare parts and accessories make sure to always indicate the exact model code and the se- rial number. BeWa OFU 3120755e en-us print 63 / 84... -
Page 64: Order Filter Elements
Filter element 20 µm 1300 R 020 ON/-KB NBR 1263062 Filter element 20 µm 1300 R 020 ON/-V- FPM 1263763 Filter element 40 µm 1300 R 040 AM/-KB NBR 1267699 Tab. 7: Filter elements - size 1300 64 / 84 BeWa OFU 3120755e en-us print... -
Page 65: Filter Elements - Size 2600
NBR 1263073 Filter element 10 µm 2600 R 010 ON/-V- FPM 1263786 Filter element 20 µm 2600 R 020 ON/-KB NBR 1263074 Filter element 20 µm 2600 R 020 ON/-V- FPM 1263787 Filter element 40 µm 2600 R 040 AM/-KB NBR 306899 Tab. 8: Filter elements - size 2600 BeWa OFU 3120755e en-us print 65 / 84... -
Page 66: Clogging Indicators - Technical Data
Fig. 14: Differential pressure indicator - visual VM x B.x Type of indication Visual display with a green-red field, automatic reset Weight 55 g Response pressure and indi- VM 2 B.x = 2 bar -10% cation range respectively VM 3 B.x = 3 bar -10% VM 5 B.x = 5 bar -10% 66 / 84 BeWa OFU 3120755e en-us print... -
Page 67: Tab. 9: Differential Pressure Indicator -Visual Vm X B.x
HYDAC FILTER SYSTEMS GMBH Appendix | 10 Permissible operating over- ≤ 210 bar pressure Permitted temperature range -30 … +100°C Connector threads G ½ Installation space required According to HN 28-22 Maximum tightening torque 33 Nm Tab. 9: Differential pressure indicator -visual VM x B.x BeWa OFU 3120755e en-us print 67 / 84... -
Page 68: Fig. 15: Differential Pressure Gauge, Visual Vm X Bm.x
Fig. 15: Differential pressure gauge, visual VM x BM.x Type of indication Visual display by green-red field, manual reset Weight 55 g Response pressure and indi- VM 2 BM.x = 2 bar -10% cation range respectively VM 3 BM.x = 3 bar -10% VM 5 BM.x = 5 bar -10% 68 / 84 BeWa OFU 3120755e en-us print... -
Page 69: Tab. 10: Differential Pressure Indicator, Visual Vm X Bm.x
HYDAC FILTER SYSTEMS GMBH Appendix | 10 Permissible operating over- ≤ 210 bar pressure Permitted temperature range -30 … +100°C Connector threads G ½ Installation space required According to HN 28-22 Tab. 10: Differential pressure indicator, visual VM x BM.x BeWa OFU 3120755e en-us print 69 / 84... -
Page 70: Differential Pressure Gauge, Electric (Vm X C.x)
The electric clogging indicator reacts to the increasing pres- sure difference at the increasing contamination level of the fil- ter element. Fig. 16: Differential pressure indicator, electrical VM x C.x Type of indication Electrical switch Weight 120 g 70 / 84 BeWa OFU 3120755e en-us print... -
Page 71: Fig. 16 Differential Pressure Indicator, Electrical Vm X C
Electrical connection Male connection M20 Female connector to DIN EN 175301-803 Protection class in accordance IP 65 (only if the connector is with DIN 40050 wired and fitted correctly) Tab. 11: Differential pressure indicator, electrical VM x C.x BeWa OFU 3120755e en-us print 71 / 84... -
Page 72: Differential Pressure Gauge, Electric (Vm X D.x /-L-Xx)
The electric clogging indicator reacts to the increasing pres- sure difference at the increasing contamination level of the fil- ter element. Fig. 17: Differential pressure indicator, electrical VM x D.x /-Lxx Type of indication Visual indicator and electrical switch Weight 150 g 72 / 84 BeWa OFU 3120755e en-us print... -
Page 73: Tab. 12 Differential Pressure Indicator, Electrical Vm X D.x / -Lxx
0.03 to 5 A @ 230 V AC Electrical connection Male connection M20 Female connector to DIN EN 175301-803 Protection class in accordance IP 65 (only if the connector is with DIN 40050 wired and fitted correctly) Tab. 12: Differential pressure indicator, electrical VM x D.x / -Lxx BeWa OFU 3120755e en-us print 73 / 84... -
Page 74: Contacting Customer Service
HYDAC SYSTEMS & SERVICES GMBH Friedrichsthaler Str. 15, Werk 13 66450 Neunkirchen - Heinitz Germany Telephone: +49 6897 509 01 Fax: +49 6897 509 324 E-mail: service@hydac.com Homepage: www.hydac.com Tab. 13: HYDAC Service Deutschland 74 / 84 BeWa OFU 3120755e en-us print... - Page 75 Dimensions of the OFU ................Fig. 5 Decoding the type label ................Fig. 6 Model code OFU ..................Fig. 7 Components/operating elements of the OFU ........... Fig. 8 Avoiding siphoning ................... Fig. 9 Measure or display dynamic pressure / differential pressure ....Fig. 10 Pressure loss formula................
- Page 76 Differential pressure indicator -visual VM x B.x ........Tab. 10 Differential pressure indicator, visual VM x BM.x ........Tab. 11 Differential pressure indicator, electrical VM x C.x ........Tab. 12 Differential pressure indicator, electrical VM x D.x / -Lxx ......Tab. 13 HYDAC Service Deutschland ..............76 / 84 BeWa OFU 3120755e en-us print...
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Page 77: Glossary
They are able to as- Filter elements with the -KB mark- sess and perform the work as- ing do not have a bypass. signed to them, they are also able to recognize potential dangers. BeWa OFU 3120755e en-us print 77 / 84... - Page 78 HY- DAC or an authorized service part- ner. They are able to assess and perform all the tasks with regard to the product and detect possible dangers. 78 / 84 BeWa OFU 3120755e en-us print...
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Page 79: Index
Differential pressure indicator, visual negative oil properties 46 VM x B.x 67 VM x BM.x 69 Differential pressure vs. Back pressure Person authorized with the documenta- 45 tion 2 Disposal 62 power plug exclusion of liability 12 BeWa OFU 3120755e en-us print 79 / 84... - Page 80 IP protection class 47 publisher 2 Scope of delivery 28 Service 74 Service Partners 74 shutting down Temporary 62 siphoning effect 43 Support 74 Terms and Conditions 12 Terms of Delivery 12 Warranty 12 80 / 84 BeWa OFU 3120755e en-us print...
- Page 84 www.hydac.com...
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