Related Manuals for wiwa DUOMIX 230
Summary of Contents for wiwa DUOMIX 230
- Page 1 Operation manual DUOMIX 230 Serial-No. ⸏ ⸏ ⸏ ⸏ ⸏ ⸏ ⸏ ⸏ Translation of the original operation manual DM230_DBK_en_1206 · rs...
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Page 3: Table Of Contents
3.4.1 Standard mixing unit ................21 3.4.2 Mixing unit with separate flushing levers .........22 3.4.3 External mixing unit .................23 3.5 Maintenance unit..................24 3.5.1 Standard maintenance unit ..............24 3.5.2 Maintenance unit with remote controlled compressed air control ..24 Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... - Page 4 6.5 Cleaning the filter elements in the high pressure filters ......39 6.6 Drying the moisture filter ................39 6.7 Recommended operating materials ............40 6.8 Filter elements for high-pressure filters............40 6.9 Special tools....................41 7 Rectification of faults .................42 8 Technical data .....................45 8.1 Machine card .....................45 8.2 Type plates ....................45 Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs...
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Page 5: Foreword
Foreword 1 Foreword Dear Customer! We are delighted that you have decided in favour of a DUOMIX 230 from our company. This operating manual is intended for the operating and maintenance person- nel. It contains all the information required to working with this unit. -
Page 6: Safety
We recommend to the owner of this unit to have this confirmed in writing. 2.1 Explanation of symbols Safety notes warn of potential accident hazards and identify the necessary measures to prevent accidents. In the operating manuals from WIWA safety notes are particularly highlighted and marked as follows: DANGER Highlights accident hazards which if disregarding the safety note will result... - Page 7 Highlights the order to wear protective footwear to prevent injuries to the feet due to tumbling, falling or rolling objects, and a slip on slippery surfaces. Reading is an absolute must Highlights references to guidelines, work and operating manuals, which must be strictly followed. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs...
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Page 8: Safety Notes
Safety 2.2 Safety notes Please remember that the DUOMIX 230 works with extremely high pressures and may cause life threatening injuries if used inappropriately! Always observe and follow the information in this operating manual as well as in the separate operating manuals for individual components of the unit or the optionally available accessories. -
Page 9: Risks Due To Electrostatic Charge
➤ and container wall. Only use conductive material hoses. All original material hoses from ➤ WIWA are conductive and perfectly adapted to our units. 2.2.4 Explosion protection WARNING Units designed without explosion protection must not be used in workshops that come under the explosion protection ordinance! Explosion protected units fulfil the explosion protection requirements of the ... -
Page 10: Health Risks
Damaged and illegible information signs must be replaced immediately. Apart from this you should also read and follow the safety notes in the operating manual! Fig. 1: Safety Information Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 11: Safety Features
When using new safety valves make sure that the valves have been set ➤ to the max. permissible air inlet pressure of the DUOMIX 230 as required for the mixing ratio (see type plate or machine card) and sealed with a lead seal. -
Page 12: Compressed Air Shut-Off Valve
The spray gun must always be secured against unintended operation, even for the shortest of work breaks. Set the safety lever horizontally to secure the spray gun. Fig. 6: Spray gun lock Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 13: Operating And Maintenance Personnel
(mining, closed rooms, etc.) and follow the recommendations in the safety data sheet issued by the material manufacturer. Use eye protection Wear protective goggles to protect against eye injuries caused by material splatter, gases, vapors or dust. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 14: Notes On Warranty
For the maintenance and repair of the unit only original spare parts from ➤ WIWA may be used. If you use spare parts not manufactured or supplied by WIWA, any warran- ➤ ty and liability will become null and void. -
Page 15: Emergency Procedures
Keep a list of the local emergency telephone numbers at hand. ➤ Become acquainted with the locations and operation of fire alarms and fire ➤ extinguishers within your reach. Ensure a sufficient amount of information signs for the avoidance of fire. ➤ Only use the extinguishing substances stipulated by the material manufac- ➤ turer. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 16: Unit Description
Please refer to the enclosed machine card (technical data) for the specifica- tions of your unit. 3.1 Intended use The WIWA DUOMIX 230 is intended for the application of low, medium and high viscosity spray painting and coating materials for commercial and industrial applications. Any other use is considered unintended. Should you intend to use the unit for other purposes or with other materials and thus not for the purpose it is intended for, you must ask WIWA for permission –... -
Page 17: Unit Configuration
Unit description 3.2 Unit configuration Due to its modular design the WIWA DUOMIX 230 offers individual solutions for almost all possible areas of application. The units shown in Fig. 7 and 8 are examples for the manifold installation and extension variants. - Page 18 Unit description Fig. 8: Example of a DUOMIX 230 on a 2-wheel rack Designation Flushing pump Maintenance unit Compressed air shut-off valve 2-wheel rack Collecting vessel for safety rupture disc safety device Suction pipes of main pump Main pump with muffler, air motor and material pumps for A- and B component High pressure filter Lever to open and close the return flow...
- Page 19 Unit description Fig. 9: Example of a DUOMIX 230 on a 3-wheel rack No. Designation Air motor of main pump High pressure filter Contact pressure gauge of pressure and dosing control Remote controlled compressed air control unit Control cabinet of pressure and dosing control Lever to open and close the return flow...
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Page 20: Material Feed
Piston pumps (Fig. 12) or dia- phragm pumps (Fig. 13) can be used as feed pumps. No. Designation Compressed-air regulator Ball valve Suction pipe Fig. 12: Fig. 13: Piston pump Diaphragm pump Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 21: Mixing Unit
Unit description 3.4 Mixing unit The WIWA DUOMIX 230 can be equipped with three different mixing units – the standard mixing unit, the mixing unit with separate flushing levers or the exter- nal mixing unit. You can extend the lifetime of the ball valves if you do not switch the levers over under high pressure, ➤... -
Page 22: Mixing Unit With Separate Flushing Levers
Fig. 16: Circulate Fig. 17: Flush Position of levers: Operating mode Lever 1 Lever 2 Lever 3 Lever 4 Circulate Spray Flush ON / OFF ON / OFF Alternately open and close the flushing levers several times during flushing, to ensure that each component is separately flushed. Finally flush with both levers in flushing position. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 23: External Mixing Unit
Fig. 19: Circulate Fig. 20: Flush Position of levers: Operating mode Lever 1 Lever 2 Lever 3 Lever 4 Circulate Spray Flush ON / OFF ON / OFF Alternately open and close the flushing levers several times during flushing, to ensure that each component is separately flushed. Finally flush with both levers in flushing position. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 24: Maintenance Unit
Unit description 3.5 Maintenance unit The DUOMIX 230 may be equipped with a standard maintenance unit or a main- tenance unit with remote controlled compressed air control. 3.5.1 Standard maintenance unit OPEN CLOSE Fig. 21: Standard maintenance unit No. Description Compressed air shut-off valve to open and close the compressed air supply. -
Page 25: Optional Extensions And Accessories
Instead of the remote controlled compressed air control units with 2 com- pressed air regulators and pressure gauges, the DUOMIX 230 can be equipped with a remote controlled compressed air control unit with 4 compressed air regulators and pressure gauges, enabling central regulation of main pump, flushing pump and feed pumps. -
Page 26: Transport, Installation And Assembly
Disconnect the entire power supply – even for short transport distances. ➤ Empty the unit before transportation – fluid residues may escape during ➤ transport, despite this measure. Remove all loose components (e.g. tools) from the unit. ➤ Assemble the parts or fittings dismantled for transport purposes before start ➤ up professionally and in compliance with the intended use. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 27: Installation Location
Transport, installation and assembly 4.2 Installation location The DUOMIX 230 can be installed inside and outside spray booths. However, out- door installation should be preferred in order to avoid contamination. WARNING If operating an outdoor unit during a thunderstorm, a lightning can cause a life-threatening situation for the operating personnel. -
Page 28: Assembling Spray Hose And Spray Gun
Connect the compressed air line to the air maintenance unit. 4.3.4 Grounding the unit WARNING The high flow velocities associated with the Airless spraying method may cause static charging. Static discharges can cause fire and explosion. The owner of the unit must get the unit properly grounded. ➤ Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 29: Filling In Release Agent And Pneumatic Oil
Transport, installation and assembly The DUOMIX 230 comes with a ground cable as standard. This cable is already connected to one of the high pressure filters upon delivery. In order to ground the unit, the clamp of the ground cable is connected to an electrically conductive object. -
Page 30: Operation
Open the spray gun, until clean flushing agent starts to run out. Only on versions with pressure and dosing control (see chapter 3.6.1 on page 25): Set the switch “Manual / Automatic” to “Manual” and press the start button. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 31: Coating
“Manual / Automatic” to “Automatic”. Check the pressure indication on the pressure gauges of the high pressure filters. These must show almost identical pressure values. The unit is now ready for operation. You can start coating. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 32: Adjusting Spraying Pressure
This way you will achieve perfect, soft and smooth overlapping of the spray jet and excessively thick application of material at the beginning of the coating process is avoided. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 33: Flushing
Regulate the compressed air pressure regulator for the main pump fully back. Operate the spray gun until the material pressure is relieved completely. Flush the unit as described in chapter 5.3. Regulate the air pressure regulator for the flushing pump fully back. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 34: Complete Cleaning
2 - 3 bar. Set the levers at the mixing unit to “Circulate“. Regulate the air pressure regulator of the main pump so that the main pump runs slowly. Close the return flow as soon as clean flushing agent starts to run out of the return flow hoses. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 35: Material Change
Rests of spraying material, cleaning agent, oils, greases and other chem- ➤ ical substances must be collected in accordance with statutory provisions concerning recycling and waste disposal. The official local waste water laws are valid. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 36: Maintenance
Maintenance and repair work on electrical components must only be per- ➤ formed by skilled electricians – any other maintenance and repair work only by the WIWA Customer Service or specially trained personnel. Before maintenance and repair work: Shut off the compressed air supply. -
Page 37: Maintenance Plan
Operation of the unit must only be started if the oil reservoir of the fog oiler contains a sufficient amount of oil for the air motors. In case of high humidity you should use an antifreeze agent for lubrication, to avoid icing of the air motor. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 38: Checking And Adjusting The Fog Oiler
If the release agent is found to be contaminated with material residues you must assume that the packing of the related material pump is worn. In this case have the pump packing replaced as soon as possible. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 39: Cleaning The Filter Elements In The High Pressure Filters
Check the O-ring – replace if damaged. Assemble the high pressure filter as described in work steps 1 and 2, but in reverse order. With high pressure filters versions R and RS you should strictly lubricate all threads with the lubricant for stainless steel (WIWA order-no. 0000233) to enable easier assembly and disassembly. 6.6 Drying the moisture filter If the material drum of the hardener is fitted with a moisture filter, the granulate in the filter must be dried at the latest when it is saturated. With increasing moisture content the colour of the granulate changes from orange to transpar- ent. -
Page 40: Recommended Operating Materials
The standard suction screen should remain in the screen housing or be replaced by a coarse mesh screen. In case of a material change both the filter element in the high pressure filter and the metal screen in the suc- tion system must be cleaned or, if necessary, replaced. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... -
Page 41: Special Tools
Maintenance 6.9 Special tools The DUOMIX 230 comes with the following special tools: T-handle to open the high pressure filters Attention: The high pressure filter must only be opened after the pressure has been relieved! Fig. 36 Key to open the control cabinet (optional for version with pressure and dosing control) Attention: Open only for repair purposes! Fig. -
Page 42: Rectification Of Faults
The Ö Replace defective balls or valve feed hose inflates or the pressure plates. relief valve on the outlet manifold opens. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs... - Page 43 "FLUSH". Ö Check the function of the flush- ing pump. 2. The flushing ball valves on the Ö Check the flushing ball valves. mixing block do not open. Ö If necessary disconnect the flushing hose from the mixing unit and replace it with a manual spray gun. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs...
- Page 44 Ö Press the button of the overload below 5 - 8 °C. protection until the glowing lamp stays on. 3. The material flow heater is Ö Have the material flow heater defective. checked by expert personnel with profound knowledge in the field of electrical engineering. Translation of the original operation manual DUOMIX 230 DM230_BAoDB_en_1307 · rs...
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Page 45: Technical Data
Technical data 8 Technical data You find the technical data for your DUOMIX 230 in the attached machine card, on the type plate and in the documentation of the individual components. 8.1 Machine card The machine card contains all important and safety relevant data and informa-... - Page 46 Kuwait, Saudi Arabia, Iran, Oman Headquarter and production Rietgans 38 3752 KH Bunschoten, Netherlands WIWA Wilhelm Wagner GmbH & Co. KG Mobil: +31 6 18 88 40 97 Gewerbestr. 1 - 3 Tel.: +31 33 494 69 81 35633 Lahnau, Germany Fax: +31 33 494 75 83 Tel.: +49 6441 609-0...