DK50 4x4VRT/M DK50 6x4VRT/M CONTENTS IMPORTANT INFORMATION ......................5 CE MARKING ............................5 INTENDED USE ............................5 CONTRAINDICATIONS AND SIDE-EFFECTS ..................5 WARNINGS AND SYMBOLS ........................5 WARNING ............................... 6 STORAGE AND TRANSPORT CONDITIONS ..................7 TECHNICAL DATA ..........................8 PRODUCT DESCRIPTION ........................
DK50 4x4VRT/M DK50 6x4VRT/M IMPORTANT INFORMATION 1. CE MARKING Products marked with the CE mark of compliance meet the safety guidelines of the European Union (93/42/EEC). 2. INTENDED USE The compressor is used as a source of clean, Compressed air supplied by the...
DK50 4x4VRT/M DK50 6x4VRT/M 5. WARNING product been designed regulations in the interests of performing manufactured to ensure it is safe for users work safely. and its surroundings when used in the defined • Only manner. The following safety warnings must...
DK50 4x4VRT/M DK50 6x4VRT/M • During repairs and maintenance, ensure 5.3. Electrical system safety warnings that: • The equipment must be connected to earth the equipment is disconnected from (grounded). the mains pressure is released from all lines • Check the mains voltage and frequency on •...
DK50 4x4VRT/M DK50 6x4VRT/M 7. TECHNICAL DATA Compressors are designed for dry and ventilated indoor environments with the following conditions: +5°C to +40°C, Temperature: Max. relative humidity: 70%, Max. absolute humidity: 15 g/m Tab. 1 Type DK50 DK50 DK50 DK50...
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DK50 4x4VRT/M DK50 6x4VRT/M Tab.2 DK50 DK50 DK50 DK50 4x4VRT/M 4x4VRTS/M 6x4VRT/M 6x4VRTS/M Output at 8 bar l/min 1315 1315 Voltage / frequency V / Hz 3 x 400 / 50 3 x 400 / 50 3 x 400 / 50 3 x 400 / 50 current draw (max.)
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DK50 4x4VRT/M DK50 6x4VRT/M 7.1. Free air delivery (FAD) correction due to elevation FAD correction table Elevation [MASL] 0 - 1500 1501 - 2500 2501 - 3500 3501 - 4500 FAD [l/m] FAD x 1 FAD x 0.8 FAD x 0.71 FAD x 0.60...
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DK50 4x4VRT/M DK50 6x4VRT/M Calculation to determine dryer pressure dew point value: skut = actual airflow skut = nominal dryer flow (1800 l/m) = working pressure correction factor = correction factor for air entering the dryer...
DK50 6x4VRT/M 8. PRODUCT DESCRIPTION 8.1. Delivery includes compressor module with 4 or 6 compressor aggregates and controls DK50 4x4VRT/M or DK50 6x4VRT/M a (condensing) dryer module with compressor comprised of the following connection hoses modules (Fig. 1a): air tank module Fig.
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DK50 4x4VRT/M DK50 6x4VRT/M 8.2. Accessories 8.2.1. DK50 4x4VRT/M performance enhancement kit Accessories are available for compressor directly from the manufacturer (by special If the performance of an existing DK50 request in an order) or may be ordered 4x4VRT compressor...
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DK50 4x4VRT/M DK50 6x4VRT/M 8.2.3. Set of compressed air outlet filters be added to the set of filters. The set of filters is fully compatible with all compressors listed The compressor may be equipped with a set above. of filters if needed. A pressure regulator may...
DK50 4x4VRT/M DK50 6x4VRT/M 9. EQUIPMENT FUNCTION The compressor produces oil-free, dry, then passes through a water separator and filtered compressed air to power pneumatic into the condensing dryer (9). This continues devices and equipment used in dental clinics to lower the temperature of the air and and laboratories, hospital departments and produces more condensate.
DK50 4x4VRT/M DK50 6x4VRT/M INSTALLATION 11. CONDITIONS FOR USE The compressor may only be installed and Replace all damaged electrical cords operated in dry, well-ventilated and dust-free and air hoses immediately. Never put environments. the electrical cord under tension, The compressor must be installed so that it is...
DK50 4x4VRT/M DK50 6x4VRT/M 12. PLACEMENT OF THE CMPRESSOR The equipment shall only be installed by a 12.1. Handling qualified professional. Use a fork truck or other suitable type of Unpack the compressor assembly handling equipment to transport and position...
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Fig.7 Releasing aggregate stabilizers DK50 4x4VRT/M - 8 stabilizers DK50 6x4VRT/M - 12 stabilizers Position the air tank at the site of installation and anchor it to the floor! (Fig. 8) 12 Cleaning Fig.8...
DK50 4x4VRT/M DK50 6x4VRT/M PNEUMATIC CONNECTIONS Compressor module – dryer module – connect the air tank with the provided hoses. (Fig. 9) Fig.9 • Connect the hoses from the water • A G3/4” threaded ball valve is installed on separator and the condensate drain from...
DK50 4x4VRT/M DK50 6x4VRT/M ELECTRICAL CONNECTIONS Only a qualified electrician may Manufacturer recommends protecting install electrical components! cabling loose on the floor (W22 and W23) with a cable bridge. The operator shall provide electrical • circuit protection for the equipment...
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DK50 4x4VRT/M DK50 6x4VRT/M ETHERNET CONNECTION Once logged in, the browser window displays the initial screen with controller system The compressor may be connected to an information: module generation, model, Ethernet 10/100 M network via the controller firmware (FM), IP address and activity status.
DK50 4x4VRT/M DK50 6x4VRT/M Note: 1. The values of time-based variables are Logging out of the web server displayed in minutes. For instance, 12.000 minutes is displayed in address Click on the button in the upper left corner. ten, which corresponds to 2.000 hours.
DK50 4x4VRT/M DK50 6x4VRT/M SWITCHING THE COMPRESSOR ON (Fig. 1 - 3) PRESSURE: current pressure • Turn the main switch (19) into the “I” TEMP_IN: internal temperature (only for enclosed compressors) position compressor switchboard White indicator P1(17) is Note: TEMP_IN...
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DK50 4x4VRT/M DK50 6x4VRT/M The display has two screens during normal operations: Slowly open the outlet valve to the ON position. The compressor starts and runs until • the pressure in the entire compressed air Motors are on system stabilises. The air pumps then gradually turn off at the switching pressure.
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DK50 4x4VRT/M DK50 6x4VRT/M F3 - statistics on the number of motor power). The circuit breaker must be manually activated to the “ON” position once the fault is circuit breaker trips caused by motor currents in excess of the motor circuit...
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DK50 4x4VRT/M DK50 6x4VRT/M • Low priority alarm conditions Ambient temperature around compressor module exceeds the limit • threshold. Expiration of defined maintenance / service interval. This alarm is activated after the 2000-hour maintenance / service interval is reached. The display shows the following: WARNING - high ambient temperature alarm.
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DK50 4x4VRT/M DK50 6x4VRT/M message disappears once Medium priority alarm conditions temperature drops below the temperature • limit. Aggregate fault compressor supplies compressed air system as needed and without restriction. • Low pressure alarm at compressor start-up. The message on the display (FAULT) and...
DK50 4x4VRT/M DK50 6x4VRT/M As such, the light will indicate an DATA ACQUISITION alarm from any of the aggregates. Data is recorded on a micro SD card in a slot in the base module. (See the illustration). The All error signals are connected to figure shows the location of the micro SD card controller output K3:Q3.2 and to...
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DK50 4x4VRT/M DK50 6x4VRT/M only spareparts accessories approved by the BEFORE BEGINNING ANY OF manufacturer. THE FOLLOWING MAINTENANCE WORK, SWITCH OFF THE MAIN PROTECT EYESIGHT, WEAR SWITCH ON THE SIDE OF THE GOGGLES, WHEN VENTING SWITCHBOARD POSITION COMPRESSED AIR FROM THE "0".
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DK50 4x4VRT/M DK50 6x4VRT/M 18.1. Maintenance intervals Warning! The operator shall ensure completion of repeated testing of the equipment at least once every 24 months (EN 62353) or at intervals defined by applicable national legal regulations. A record of these test results shall be completed (e.g. per EN 62353, Annex G) together with the measurement methods Tab.3...
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DK50 4x4VRT/M DK50 6x4VRT/M once once once Activity once every Set of spare Performed Time interval 2000 4000 6000 8000 10000 12000 16000 Chapter a day parts week year years Visual check of rotation Check compressor fan qualified during operation...
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Compressor performance qualified 18.9 check professional Conduct a "repeated test" qualified 18.1 pursuant to EN 62353 professional Check pneumatic qualified 18.3 professional connections for leaks (*) enclosed compressor (**) applies to DK50 6x4VRT/M (***) applies to DK50 4x4VRT/M NP-DK50-Nx4VRTM_ED-EN-4_03-2019 03/2019 -35-...
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DK50 4x4VRT/M DK50 6x4VRT/M 18.2. Functional check 18.4. Inspection of electrical connections: • Check – aggregate operation aggregates should operating Check all electrical connections normally without excessive vibration or on the equipment with the mains noise. Troubleshoot any problem or call...
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DK50 4x4VRT/M DK50 6x4VRT/M Pre-filter replacement: • Pull out the pre-filter by hand (3). • Replace with a new filter and re-insert. Fig. 18 Fig. 17 18.7. Float replacement 18.6. Check safety valve operation BEFORE PROCEEDING, VENT THE (Fig. 18)
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DK50 4x4VRT/M DK50 6x4VRT/M Fig.19 • In Point A, remove the foam, remove the 4 18.8. Cleaning/replacing the compressor’s intake filters (*) screws (5), washers (6) and remove the suction filter cover (7). – (Fig. 21) (Fig.20, Fig. 21) • Remove the 2 nuts (8) on the filter bracket (*) - only applicable to enclosed products.
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DK50 4x4VRT/M DK50 6x4VRT/M Fig. 21 Air tank: 18.9. Compressor performance check • Turn off the compressor using the Check for proper operation of the check valve STOP button on the air tank by disconnecting the pressure • Vent the air pressure in the air tank hose from the valve.
DK50 4x4VRT/M DK50 6x4VRT/M TROUBLESHOOTING 19. TROUBLESHOOTING COMMON PROBLEMS Increased pressure Caution! Disconnect compressed air system may only equipment from the mains before occur as a result of an increase starting work! in flow resistance in compressed air lines or a dryer malfunction Troubleshooting may only be performed by (e.g.
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DK50 4x4VRT/M DK50 6x4VRT/M Tab.4 FAILURE POSSIBLE CAUSE REMEDY Problem with electrical power source Main breaker is off Check mains voltage Loose terminal in the electrical box - tighten Loss of power None of the compressor Check the main power connection - replace if damaged...
DK50 4x4VRT/M DK50 6x4VRT/M compressors on top of Compressor aggregate, cooler and Replace the defective fan(s) one another switch on enclosure cooling fans do not operate Defective temperature switch – replace (overheating) ED108 dryer See the dryer manual on the CD...
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