Netafim SCREENGUARD Installation And User Manual
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Netafim SCREENGUARD Installation And User Manual

Automatic horizontal screen filter
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SCREENGUARD
™
AUTOMATIC HORIZONTAL SCREEN FILTER
INSTALLATION AND USER MANUAL
V 001.01 - APRIL 2019

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Summary of Contents for Netafim SCREENGUARD

  • Page 1 SCREENGUARD ™ AUTOMATIC HORIZONTAL SCREEN FILTER INSTALLATION AND USER MANUAL V 001.01 - APRIL 2019...
  • Page 2 TAKES THE GREATEST POSSIBLE CARE IN DESIGNING AND PRODUCING BOTH ITS PRODUCTS AND THE ASSOCIATED DOCUMENTATION, THEY MAY STILL INCLUDE FAULTS. ™ NETAFIM WILL NOT ACCEPT RESPONSIBILITY FOR DAMAGE RESULTING FROM THE USE OF NETAFIM'S PRODUCTS OR THE USE OF THIS MANUAL. ™ NETAFIM RESERVES THE RIGHT TO MAKE CHANGES AND IMPROVEMENTS TO ITS PRODUCTS AND/OR THE ASSOCIATED DOCUMENTATION WITHOUT PRIOR NOTICE.

  • Page 3: Table Of Contents

    Control tube fast connector Bluetooth flush controller activation Hydraulic relay replacement External power supply (optional) Aquative solenoid replacement PD sensor unit replacement Initial operation Replacement parts Preparations First operation Filters Application operation Spare parts Warranty INSTALLATION AND USER MANUAL 3 SCREENGUARD ™...

  • Page 4: Aim Of This Manual

    General Netafim™ congratulates you on purchasing the ScreenGuard™ self-cleaning filter. This filter is part of the wide family of filters produced and supplied by Netafim™ for agriculture, municipal water and sewage systems, and all types of industrial applications. All products manufactured by Netafim™ are easy to install, use and service and don’t require special skills to operate them.

  • Page 5: Safety Instructions

    13; and Tools required for maintenance, page 25). Use only original parts supplied/approved by Netafim™. Operation, Control and Maintenance Loosening or unscrewing bolts should be done only after the pressure in the filter has been released. Avoid splashing and water leakage in order to reduce danger of slipping, electrical danger or damage to the equipment caused by moisture.

  • Page 6: Description

    DESCRIPTION Automatic horizontal screen filter selection Netafim™ offers a selection of ScreenGuard™ automatic, horizontal screen filters to fit any filtration requirement: Max. Min. Operating Max. bacKflush BacKflush Filtration pressure recommended pressure flow rate Model Description area (cm (bar/PSI) flow rate (m (bar/PSI) SG H 4"...

  • Page 7: Filter Operation - General Description

    [10] rotates, moving with the piston in the opposite direction and returning to its original position. The ScreenGuard™ screen filter series are hydraulically operated units. No external power source is required. This type of control enables operation at remote installation sites.

  • Page 8: Dimensions

    SG H 312 F separate boxes SG H 4" JF 2,620 SG H 414 F SG H 6" F 2,220 SG H 6" JF 2,620 SG H 8" F 2,620 SG H 10" F 2,620 8 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 9: Connection Diameter

    The weights in the tables above are order of magnitude only - final data are issued with the product order. Head loss (clean filter) Head lose 0.15 0.15 0.01 0.01 1000 1000 m^3/Hr SGH4/SGH4S SGH6/SGH6S SGH8 SGH10 INSTALLATION AND USER MANUAL 9 SCREENGUARD ™...

  • Page 10: Sg1 Smart Bluetooth Flush Controller

    NOTE If electricity is available at the filter location, the flush controller can be powered by an external 100-240v AC to 12v DC power supply [Netafim Cat. No.: 73240-007240 (Europe adaptor)]. (see page WARNING When operating the controller with the external power supply, make sure that the battery compartment is not inside the flush controller (its loose wire ends could cause short-circuit).
  • Page 11 Manual "Start" flushing button Battery compartment PD sensor (underneath the battery compartment) Cable gland PD sensor control tube nuts Wiring Manual flushing button Aquative operator (solenoid) PD sensor Battery compartment or external power supply (12v DC) INSTALLATION AND USER MANUAL 11 SCREENGUARD ™...

  • Page 12: Control Tubes

    From the filter outlet to the flush controller PD sensor low-pressure connection port (left). g. From the Aquative solenoid to the hydraulic valve. h. Drain tube (no more than 2 meter long each). 12 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 13: Installation

    Attach straps to the hoisting points and secure the filter using a lifting device or support it manually. ATTENTION Note the filter weight before operation and follow the safety instructions. Detach the filter from the wooden pallet. INSTALLATION AND USER MANUAL 13 SCREENGUARD ™...

  • Page 14: Hydraulic Installation

    Avoid placing the flush pipe on a rising slope to prevent backpressure. ATTENTION If a PRV is required in order to protect the irrigation system, it is highly recommended to install it downstream of the filter. 14 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 15: Bluetooth Flush Controller Activation

    2. Insert a set of 4 new batteries (Match the poles to 3. Close the flush controller box (mind the the markings inside the battery housing). alignment of the cover gasket to ensure sealing). INSTALLATION AND USER MANUAL 15 SCREENGUARD ™...
  • Page 16 Link the SG filter application to the filter flush controller Enter the SG1 smartphone application and select your filter (BT pairing is automatic). Scan the QR code on the flush controller to enter the user manual. 16 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 17: External Power Supply (Optional)

    If electricity is available at the filter location, the flush controller can be powered by an external 100-240v AC to 12v DC power supply [Netafim Cat. No.: 73240-007240 (Europe adaptor)]. 1. Open the flush controller box using a cross-head screwdriver.

  • Page 18: Initial Operation

    8. Perform 2 additional consecutive manual flushing cycles to evacuate air from the system. 9. Monitor the upstream pressure during the flushing cycles, it should not drop below 2.0 bar (30 PSI). If this cannot be ensured, consult Netafim™. NOTE The filter flushes in two, separate consecutive flushing cycles with a few seconds pause between them (During the pause the filter does not flush).

  • Page 19: Application Operation

    The results of the controllers in shortcut, a welcome screen controllers in the vicinity will the vicinity will appear on the appears... start. Scanning result screen. Select your controller. Continued on the next page INSTALLATION AND USER MANUAL 19 SCREENGUARD ™...
  • Page 20 Flushing interval adjusment Set time Home Preferences Mode Select language Flushing interval Select font size Technician mode Settings (Only Netafim qualified PD delay technicians are authorized Looping limit to this section by personal Device name password). Sound Netafim™ SG filter PD calibration...
  • Page 21 Enter a number - 1-10, or 0 - to Pressure unit - bar/PSI ignore the looping problem. Sound - ON/OFF PD calibration activation Press a parameter to edit it. Continued on the next page INSTALLATION AND USER MANUAL 21 SCREENGUARD ™...
  • Page 22 Enter your password (Technician only) Name your controller for future Initiate PD calibration. identification. ATTENTION During calibration make sure both pressure tubes are at atmospheric pressure. pressure unit screen Select the pressure unit - bar/PSI 22 SCREENGUARD INSTALLATION AND USER MANUAL ™...
  • Page 23 Based on PD Manually triggered This screen is not editable. CLEAR COUNTERS - press to reset all the counters. Stop a flush cycle screen Stop a flush cycle in progress Continued on the next page INSTALLATION AND USER MANUAL 23 SCREENGUARD ™...
  • Page 24 UI language and font size. Press a parameter to edit it (see the 2 next pages). Technician mode - ON/OFF ATTENTION Only Netafim qualified technicians are authorized to this section by personal password. Select font size screen Contact screen...

  • Page 25: Maintenance

    4. Make sure the filter flushes in two, separate consecutive flushing cycles with a few seconds pause between them. In case a clear pause between the two flushing cycles is not noticable, consult Netafim. At the end of the irrigation season 1.

  • Page 26: Screen Assembly Cleaning

    Make sure the strainer (F) is aligned and positioned inside the socket of the screen assembly (F). 4. Make sure gasket (D) is in place, and position plastic cap (C) in place. 5. Place washers (B) and nuts (A) and tighten the nuts. 26 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 27: Replacing The Batteries

    3. Insert a set of 4 new batteries (Match the poles to the markings inside the battery housing). The controller should turn on automatically. 3 short beeps followed by a long one should be heard. INSTALLATION AND USER MANUAL 27 SCREENGUARD ™...

  • Page 28: Paint Retouching On The Filter Body

    1. Sand the damaged area or spot with sandpaper and clean it with a wire brush. 2. Apply the protective paint. 3. Let the paint completely dry for at least 24 hours before exposing the mended spot to water. For further assistance, contact your local Netafim™ representative. Algae growth control WARNING Sodium hypochlorite (NaClO) is dangerous toxic and corrosive chemicals.

  • Page 29: Winterization

    12). Visually inspect the filter's body coating for damage. Repair if necessary (see Paint retouching on the filter body, page 28). At the beginning of the next irrigation season Initial Operation, page 18. INSTALLATION AND USER MANUAL 29 SCREENGUARD ™...

  • Page 30: Troubleshooting

    MANUAL button on the flush controller pressed for 5 seconds or use the START command in the application). If it does not work, replace the batteries (see page 27). If it still does not work, consult your Netafim™ local representative. 2. Operate the Aquative manually (see page 18).

  • Page 31: Filter Body Opening - Strainer Side, And Screen Assembly Extraction

    3. Remove Piston Cover Assembly (C) and gasket (D). Assembly: 1. Place gasket (D) in its groove and make sure it is properly placed. 2. Place Piston Cover Assembly (C). 3. Place washers (B) and nuts (A) and tighten the nuts. INSTALLATION AND USER MANUAL 31 SCREENGUARD ™...

  • Page 32: Flushing-Assembly Release

    7. Reattach the flushing assembly (C) to the screen assembly (A), as described above. 8. Check that the suction element moves and rotates freely inside the screen assembly. 32 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 33: Piston-Gasket Replacement

    Turbine Brass Bearing replacement Disassembly: 1. Remove the turbine brass bearing (A) from the turbine set (B) with a 24mm wrench. Assembly: 1. Place a new turbine brass bearing in its stead. Tighten properly. INSTALLATION AND USER MANUAL 33 SCREENGUARD ™...

  • Page 34: Centering Ring W/Bearing Replacement

    3. Gently fasten the bolt (B) with a 10mm wrench (Take care to use the bolt (B), the nut and washers (E). 4. Connect the control tubes to the 3 fast connectors (A). (Mind proper location, see control-tube connection scheme, page 12.) 34 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 35: Aquative Solenoid Replacement

    (make sure that the solenoid wires pass under the battery compartment in a tidy manner). 9. Put the extracted battery back in place to reactivate the controller. 10.Close the flush controller box (mind the alignment of the cover gasket to ensure sealing). INSTALLATION AND USER MANUAL 35 SCREENGUARD ™...

  • Page 36: Pd Sensor Unit Replacement

    4. Disconnect the PD sensor from the terminal block. cross-head screwdriver (mind the washers). 5. Release the 2 control tube nuts by hand. 8. Remove the PD sensor. Continued on the next page 36 SCREENGUARD INSTALLATION AND USER MANUAL ™...
  • Page 37 16. Close the flush controller box (mind the alignment of the cover gasket to ensure sealing). 12. Reconnect the 2 control tubes: Left = low pressure (black nut), Right = high pressure (red nut). INSTALLATION AND USER MANUAL 37 SCREENGUARD ™...

  • Page 38: Replacement Parts Filters

    (micron) ANSI BSTD DIN PN10 DIN PN16 100 μm 71960-000450 71960-000460 71960-000470 71960-000480 130 μm 71960-000451 71960-000461 71960-000471 71960-000481 200 μm 71960-000452 71960-000462 71960-000472 71960-000482 *All filters with DC controller and DC solenoid 38 SCREENGUARD INSTALLATION AND USER MANUAL ™...

  • Page 39: Spare Parts

    SGH 4" SGH 4"S SGH 6" SGH 6"S SGH 8" SGH 10" 71965-000115 71965-000118 71965-000121 71965-000124 71965-000127 71965-000130 BSTD 71965-000116 71965-000119 71965-000122 71965-000125 71965-000128 71965-000131 1 ANSI 71965-000117 71965-000120 71965-000123 71965-000126 71965-000129 71965-000132 1 INSTALLATION AND USER MANUAL 39 SCREENGUARD ™...
  • Page 40 3.3.4 Nozzle Assembly 71965-000412 1 set The Nozzle Assembly consists of the following parts Part Description Qty. 3.3.4.1 Nozzle Clamp 3.3.4.2 Nozzle Round 3.3.4.3 M6x35 HEX Screw A2x70 3.3.4.4 M6 Washer A2x70 3.3.4.5 M6 Hex Nut A2x70 40 SCREENGUARD INSTALLATION AND USER MANUAL ™...
  • Page 41 SGH 4"/6" SGH 4"S/6"S/8"/10" 3.3.1 Suction Assembly Center Pipe and Shaft 3.3.2 Turbine Chamber Partition 3.3.3 Turbine Assembly (See page 3.3.4 Nozzle Assembly (See page 3.3.5 Countersunk Flat Head Cross Recess Screw 4x32H A2x70 INSTALLATION AND USER MANUAL 41 SCREENGUARD ™...
  • Page 42 The Bolts and Washer Kit consists of the following parts 5.4.6 Piston Seal 5.4.7 M12 Half Hex Nut A2x35 Part Description Qty. 5.4.8 M12 Plain Washer A2x70 5.6.1 M6 Plain Washer A2x70 5.4.9 M12 Hex Nut A2x70 5.6.2 M6x25 Hex Screw A2x70 42 SCREENGUARD INSTALLATION AND USER MANUAL ™...
  • Page 43 Part Description Cat. No. Qty. Aquative DC Version 01 Assembly (See page Electronic Controller SG 74310-003000 Hydraulic Relay Assembly 71965-000414 Controller Support Bracket 7.3.1 7.3.4 7.3.3 7.3.2 7.3.5 7.3.5 7.1.2 7.1.3 7.1.1 7.1.2 INSTALLATION AND USER MANUAL 43 SCREENGUARD ™...
  • Page 44 Cat. No. Qty. Complete O-ring and gasket kit for SG H filters 71965-000450 1 set The Seal Kit consists of the following parts Part Description Qty. 9; 5.5 Cover Gasket 10; 2.3; 3.2 O-ring 44 SCREENGUARD INSTALLATION AND USER MANUAL ™...
  • Page 45 77456-000153 Brass Connector Adaptor 1/4" X 1/8" M-M Brass Connector Cross 1/4" Brass Connector 1/4" X 1/4" M-M Plug in Metal Connector Side Leg 8mm X 1/8" Brass Connector 1/4" X 1/4" F-F INSTALLATION AND USER MANUAL 45 SCREENGUARD ™...

  • Page 46: Warranty

    WARRANTY Netafim™ warrants the ScreenGuard™ screen filter metal body to be free of corrosion, defects in material and workmanship for 5 (five) years from the date of installation. Netafim™ warrants the ScreenGuard™ screen filter Piston Assembly and Cover in case of fracture under normal conditions of use, and to be free of defects in material and workmanship and for 5 (five) years from the date of installation.
  • Page 48 48 SCREENGUARD INSTALLATION AND USER MANUAL ™ GROW MORE WITH LESS WWW.NETAFIM.COM...

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