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Summary of Contents for Netafim SCREENGUARD
- Page 1 FILTRATION SCREENGUARD AUTOMATIC ™ SCREEN FILTERS OPERATION, INSTALLATION & MAINTENANCE GUIDE...
- Page 2 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE...
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Page 3: Table Of Contents
Fine Screen Assembly Removal & Replacement ........14 Dirt Collector Removal & Replacement ...........15 Periodic Checks ...................16 Troubleshooting Pressure Difference Between Inlet and Outlet ........17 Filter Flushing Cycle ..................17 Replacement Parts ......................18 SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 4: General Information
• Please note, the filter enters a flushing mode automatically, without prior warning. • Use original parts only when servicing the filter. • NETAFIM can not accept responsibility for any changes or modifications to the equipment. SPECIFICATIONS • Minimum operating pressure: 30 psi •... - Page 5 SPECIFICATIONS The ScreenGuard self-cleaning filter enables high quality filtration from 80-200 mesh from various types of fluid sources such as sewage, reservoirs, rivers, lakes, and wells. FIGURE 1 AUTOMATIC SCREEN FILTERS SPECIFICATIONS DESCRIPTION BACKFLUSH MAXIMUM SIZE SCREEN AREA Inlet FLOW RATE...
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Page 6: Operations
• If the difference in pressure remains unchanged after one cycle, another cycle will start after a delay of 15 seconds. FIGURE 1 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... -
Page 7: Dimensions & Weight
7.9’ L X 2.5’ W X 1.9’ H 8” 412 LBS. 8.5’ L X 2.9’ W X 2.1’ H 10” 893 LBS. 11.1’ L X 3.3’ W X 2.4’ H SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 8: Installation
1. Refer to the Netafim Backflush Controller’s installation and operation manual for installation instructions. This can be found on the Netafim USA website (www.netafimusa.com) in the Literature Download area. Also refer to the installation video located on the Netafim USA YouTube page (www.youtube.com/netafimusa) 2. -
Page 9: Maintenance
7. Perform an additional flushing cycle manually by pushing the manual Take precautions while button (M on the screen display). (See Figure 4) operating the filter as the filter may enter a flushing mode automatically, without prior warning. SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 10: Control Card Removal & Replacement
• Fasten the 5 screws (Red Circles) • Reconnect the output cards to the controller. Reconnect solenoids (If disconnected before) • Return the upper and lower cover • Connect to power FIGURE 5 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... -
Page 11: Solenoid Removal & Replacement
14. Verify that the hydraulic flushing valve closes after 10 seconds. 15. Perform an additional flushing cycle manually by pushing the manual button (M on the screen display). (See Figure 4). FIGURE 6 SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 12: Hydraulic Piston Assembly & Replacement
15. Perform a flushing cycle manually by pushing the manual button (M on the screen display). (See Figure 4). 16. Verify that the piston travels its complete path and that the indicator pops up. 17. Verify that the hydraulic flushing valve closes after 10 seconds. FIGURE 7 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... -
Page 13: Coarse Screen Removal & Replacement
11. Perform a flushing cycle manually by pushing manual button (M on the screen display). (See Figure 4) 12. Verify that the hydraulic flushing valve closes after 10 seconds. FIGURE 8 SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 14: Fine Screen Assembly Removal & Replacement
23. Perform a flushing cycle manually by pushing the manual button (M on the screen display). (See Figure 4). 24. Verify that the hydraulic flushing valve closes after 10 seconds. FIGURE 9 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... -
Page 15: Dirt Collector Removal & Replacement
19. Perform a flushing cycle manually by pushing the manual button (M on the screen display). (See Figure 4). 20. Verify that the hydraulic flushing valve closes after 10 seconds. FIGURE 10 SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 16: Periodic Checks
8. Check the filter housing for paint damage or corrosion. If required, clean the area with sandpaper and apply a thin layer of basic + epoxy paint. 9. Check for leaks. NOZZLE HEIGHT TYPE HEIGHT All Filters 2.99” FIGURE 11 FIGURE 12 • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... -
Page 17: Troubleshooting
If there is no water pressure - check the control tube for obstructions If there is water pressure - replace the mechanical actuator SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •... -
Page 18: Replacement Parts
Male Elbow 1/8“ 00105-006250 31NBCDCL2 Netafim Backflush Controller DCL 19.2 35500-002020 61AQTVDCL1 Aquative DCL with 1 Bracket 79ASF2BSPNPTADTR BSP to NPT Adapter Coupling 2” NOTE: Substitute *** with desired mesh. • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE... - Page 19 Netafim Backflush Controller DCL 21.2 35500-002020 61AQTVDCL1 Aquative DCL with 1 Bracket 79ASF2BSPNPTADTR BSP to NPT Adapter Coupling 2” 79ASF2BSPNPTADORNG O-Ring, BSP to NPT Adapter Coupling 2” NOTE: Substitute *** with desired mesh. SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION, INSTALLATION AND MAINTENANCE GUIDE •...
- Page 20 NOTE: Parts with Item Number and/or Model Number listed are stock and available for purchase. All other parts are for identification purposes only. NETAFIM USA 5470 E. Home Ave. Fresno, CA 93727 CS 888 638 2346 www.netafimusa.com • SCREENGUARD AUTOMATIC SCREEN FILTERS OPERATION INSTALLATION AND MAINTENANCE GUIDE SGOPS 01/18...
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