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YAMIT E.L.I. AF800N Series, Service Maintenance Manual, Page: 4 / 40

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YAMIT E.L.I. AF800N Series Service Maintenance Manual Download Page 4

1. Inlet 

2. Coarse screen 

3. Fine screen 

4. Flushing valve 

5. Hydraulic piston  

6. Hydraulic motor chamber  

7. Dirt collector 

  8. Suction nozzle  

  9. Hydraulic motor 

10.  Outlet 

11.  Electronic DP unit 

12. control unit 

13. Solenoid valve 

3. Description & Operation 

 

 
Filter Assembly General Description (Figure 1)

 

 

The 

AF800N SERIES

 self-cleaning filter enables high quality filtration from 

grades of 80-1000 micron from various types of fluid sources such as sewage, 
reservoirs, rivers, lakes, and wells. 
The 

AF800N SERIES

 filter contains the following parts:  

Figure 1: Filter Assembly 

4 

3 

AF800N 

Summary of Contents for AF800N Series

Page 1: ... Automatic Self Cleaning Screen Filter SERVICE MAINTENANCE MANUAL YAMIT Filtration Water Treatment Ltd PO Box 232 Moshav Tnvot 4283000 Israel Tel 972 4 6220006 e mail yamit yamit f com www yamit f com 22 Jun 20 Ber 9006108002 ...

Page 2: ... 4 Hydraulic Piston Assembly Removal and Installation 14 6 5 Coarse Screen Removal and Installation 15 6 6 Fine Screen Assembly Removal and Installation 16 6 7 Dirt Collector Removal and Installation 18 6 8 Periodical Checks 20 7 Troubleshooting 22 8 IPB 27 9 Appendix 33 9 1 Filtron 1 10 DC AC 33 9 2 Control Loops Schematic Drawing 38 10 International Warranty 40 ALL RIGHTS RESERVED THIS MANUAL AN...

Page 3: ...ctions carefully 2 Confirm filter draining prior to service 3 Take precautions while lifting transporting or installing the filter 4 Installation of the filter should be performed so as to avoid direct water splashing on any of the filter parts and especially on the electronic control unit 5 Confirm that filter weight when full meets the support construction requirements 6 Prior to installation co...

Page 4: ...nit 12 control unit 13 Solenoid valve 3 Description Operation Filter Assembly General Description Figure 1 The AF800N SERIES self cleaning filter enables high quality filtration from grades of 80 1000 micron from various types of fluid sources such as sewage reservoirs rivers lakes and wells The AF800N SERIES filter contains the following parts Figure 1 Filter Assembly 4 3 AF800N ...

Page 5: ...e linear movement and rotation significantly cleans the entire internal screen 3 surface The flushing cycle takes about 10 seconds The flushing valve 4 closes at the end of the cycle and the increased water pressure returns the hydraulic piston 5 to its initial position The filter is now ready for the next flushing cycle with clean and filtered water flowing through the Outlet 10 Note At the back ...

Page 6: ...rational pressure 2 bars 29 psi 4 Model In Outlet D mm in D1 in H mm in X mm in L mm in L1 mm in L2 mm in Weight Package kg lb Volumen Package LxAxH m ft AF803NL 75 3 10 545 21 4 450 17 7 1139 44 8 1386 54 6 2040 80 3 110 243 1 6x0 6x0 8 5 3x2 0x2 6 AF804NL 100 4 10 545 21 4 900 35 4 1535 60 4 1782 70 1 2820 111 0 135 298 1 9x0 6x0 8 6 6x2 0x2 6 AF804NX 100 4 10 545 21 4 900 35 4 1931 76 0 2178 85...

Page 7: ...ing Flow Rate m3 h gpm Flushing volume m gal AF803NL 75 3 50 220 3220 500 30 132 0 083 22 01 AF804NL 100 4 80 350 5780 895 30 132 0 083 22 01 AF804NX 100 4 100 440 8410 1303 30 132 0 083 22 01 AF806NL 150 6 150 660 5780 895 30 132 0 083 22 01 AF806NX 150 6 160 700 8410 1303 30 132 0 083 22 01 AF808NL 200 8 300 1320 8410 1303 30 132 0 083 22 01 AF810NL 250 10 400 1760 8410 1304 30 132 0 083 22 01 P...

Page 8: ...pe to the hydraulic flushing valve outlet opening at least 63 mm plastic pipe or 2 metal pipe and no more then 5 m long Confirm that water runs freely out of the drainpipe 4 Check that all connections are properly secured 5 Check that all nuts and bolts on the filter periphery are properly tightened and secured 6 Connect the batteries located in the control unit box as explained in Initial Operati...

Page 9: ...d on the outside of the control box See Figure 3 3 Verify that the hydraulic piston fully extends during back flush 4 Verify that the hydraulic flushing valve closes after 10 seconds 5 When the filter is clean verify that the differential pressure between inlet and outlet does not exceed 0 1 bar 6 Check that the differential pressure is set to 7 psi or 0 5 bar 5 meter in the controller see Appendi...

Page 10: ... controller will perform long beep sound 4 Close the upper cover 5 Perform a flushing cycle by disconnecting the low pressure tube from the differential pressure indicator thereby closing the electrical circuit re connect it immediately as flushing starts 6 Verify that the hydraulic flushing valve closes after 10 seconds 7 Perform an additional flushing cycle manually by pushing the manual bottom ...

Page 11: ...r and lower cover If there are any outputs card connected to the controller disconnect them 3 Unscrew 5 screws Red Circles Disconnect power wires Both AC DC model Blue Square Disconnect DP sensor Pressure sensor and external DP If exists Yellow Square 4 Turn on back and separate the back cover DC MODEL AC MODEL AF800N ...

Page 12: ... screws Place the Step up cards and fasten the screw DC MODEL ONLY Join the two plastic parts Front and back and turn to front Connect DP sensor Pressure sensor and external DP If exists Yellow square Connect power cable Blue Square 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 pow...

Page 13: ...id 10 Connect the 2 wires of the solenoid black wire to C port red wire to 1 port 11 Connect the solenoid control tubes 12 Connect the 4 X 1 5V batteries according to the correct polarity and close the electronic control unit cover 13 Perform a flushing cycle by disconnecting the low pressure tube from the differential pressure indicator closing of the electrical circuit re connect it immediately ...

Page 14: ...he new piston assembly into the filter housing 9 Screw counterclockwise the brass base into the filter body and tighten it gently 10 Connect the control tube to the piston assembly s upper section 11 Open the inlet and the outlet line valves 12 Check for leaks 13 Push the piston indicator on the rear side of the piston inside Perform a flushing cycle manually by pushing the manual bottom M on the ...

Page 15: ...ndle 7 Verify that the straight side of the cover seal fits into the groove located in the cover 8 Put the cover on its place on the filter s housing and Install the nuts and washers connecting the cover to the filter housing 9 Open the inlet and outlet line valves 10 Check for leaks 11 Perform a flushing cycle manually by pushing manual bottom M on the screen display See Figure 3 12 Verify that t...

Page 16: ...fine screen through the dirt collector bearing 13 Position both o rings 445 into the new fine screen assembly if required replace them 14 Lubricate the o ring 445 with silicon grease 15 Screw cw the fine screen handle section to upper screen section make sure the dirt collector axis passes through the screen bearing Tighten using screen wrenches 16 Screw ccw the hydraulic motor to the dirt collect...

Page 17: ...17 Figure 8 Fine Screen Assembly Removal Replacement AF800N ...

Page 18: ... screen through the dirt collector bearing 11 Screw cw the fine screen handle section to upper screen section make sure the dirt collector axis passes through the screen bearing Tighten using screen wrenches 12 Screw ccw the hydraulic motor to the dirt collector 13 Slide the fine screen assembly into the filter housing assembly 14 Slide the coarse screen into the fine screen assembly 15 Verify tha...

Page 19: ...19 Figure 9 Dirt Collector Removal Replacement AF800N ...

Page 20: ...creen bearing If any of the bearings have become misshaped oval replace with a new one 5 Check the mechanical condition of the hydraulic piston assembly Verify piston s free movement If damaged or deteriorated replace according to Hydraulic Piston Assembly Removal Replacement 6 Check the dirt collector suction nozzles height see table If damaged replace according to Dirt Collector Removal Replacem...

Page 21: ...21 Figure 10 Periodic Checks AF800N ...

Page 22: ...er comes out of the control tube Not OK OK Check the hydraulic flushing valve for obstruction Replace if required Check the hydraulic flushing valve for obstruction Replace if required Replace batteries Check the electrical connections on the control card and the solenoid electrical connection at the differential pressure indicator Control Water is present No Control Water Not OK OK Solenoid fault...

Page 23: ...bar 15 psi Pressure reading below 1 bar 15 psi Faulty solenoid The filter does not comply with the system operating requirements Close the outlet valve and check that differential pressure between inlet and outlet of the filter is zero Perform a flushing cycle manually by operating the handle turn clockwise 90 located on the solenoid and open the outlet valve Differential pressure nullified Differ...

Page 24: ...ly 2 Upper bearing and screen bearing are not deformed oval Replace the defective part and or release the jammed part Filter found serviceable Reassemble the filter and operate the system The problem was not solved during a regular service check Call technician AF800N ...

Page 25: ...or unit aperture Not Clogged Filter flushing cycle does not stop Flushing does not stop Clogged the flushing valves does not flush Clean the aperture Disconnect the control tube from the actuator s lower section and verify existence of water pressure There is No Pressure There is Pressure Check the control tube for obstructions Replace the mechanical actuator AF800N ...

Page 26: ...the control tube for obstructions One of the flushing valves flushes continuously Pressure does not exist Disconnect the control tube from the upper cap and verify existence of water pressure Pressure does exist Replace the mechanical actuator AF800N ...

Page 27: ...27 8 IPB 8 AF800N ...

Page 28: ...PVC225 AF804NX 6NX 8NL 10NL AF806NX AF808NL AF810NL 8 1 AF800N 4081202100 445 O RING 445 8 2 AF800N E5005600102 01 02 FINE SCREEN UPPER SECTION PVC225 AF800N 8 2 1 AF800N E5005600902 02 UPPER SCREEN ADAPTER PVC225 ASSM AF800N 8 2 1 1 AF800N W5005600102 01 FINE SCREEN UPPER SECTION PVC225 8 2 1 2 AF800N 5021640500 SCREEN WHEEL 225 NYLON 8 2 1 3 AF800N 5172391500 SCREEN BEARING F DIRT COLLECTOR SHAF...

Page 29: ...N 2 BSP 14 AF800N E5412036301 01 SHORT DISTRIBUTOR DELRIN ASSM 14 1 AF800N 4081034100 126 O RING 126 15 AF800N CS11010015 PRESSURE GAUGE SET AF800 9800 500 16 AF800N 4640314002 PLUG 1 4 PLASTIC 17 AF800N 4640214082 MALE BRANCH T 8 1 4 8 PLASTIC 18 AF800N 4640618082 MALE ELBOW 1 8 8 PLASTIC 19 AF800N DC CSD1100112100 CONTROLLER 1 10 DC 1 SOLENOID COMPLETE AF800N AC CSA1100114100 CONTROLLER 1 10 AC ...

Page 30: ...ternal source In the AC model built in 110V or 220V power supply The chain of editable fields The existence of the DP SET POINT field depends on whether the System contains a built in electronic DP or not Flush time Defines the duration of the flushing time per station The following options are selectable 5 20 sec in steps of 1 sec 20 55 sec in steps of 5 sec 1 6 sec in steps of 0 5 min The DP set...

Page 31: ...boards each of 2 outputs are used in each particular case How will the outputs be allocated will depend on the definitions made during the configuration process described below The following rules apply 1 Back flush valves will be allocated starting from output 1 and up 2 The last back flush valve can be canceled and then its allocated output will be left unused 3 Alarm output Delay Valve and Main...

Page 32: ...pears in large letters at the center of the screen Notice that the number of possible outputs that can be used is always an even number since the result is from the number of plug in boards each of 2 outputs included However if the number of outputs needed is not an even number then the last valve allocated for flushing bay be canceled by use of the STOP manual operation key Pressure Unit deciding...

Page 33: ...e which will be connected to the red point the other that comes from the outlet low pressure and will be connected to the black point It is important to put a small filter of 120 mesh not supplied between the red point and the high pressure connecting point Low battery The unit has two options of low battery indication a signal on the screen when the battery voltage drops to the first level and a ...

Page 34: ...DP embedded electronic analog DP sensor or external dry contact DP sensor Pressure sensor dry contact pressure sensor Operating temperature 0 60 C AC MODEL Power source 220 or 110 v AC 50 o 60 Hz with built in transformer to 24v AC Outputs 24v AC solenoids DP embedded electronic analog DP sensor or external dry contact DP sensor Pressure sensor dry contact pressure sensor Operating temperature 0 6...

Page 35: ...of the DC model of the controller Notice that 1 The external DP sensor is optional and it is intended for use in case there is no Embedded Electronic DP included 2 The powering of the unit can be either 6v DC or 24v DC 3 The solenoids are 12v DC latch AF800N ...

Page 36: ...36 DC MODEL GALSOL DC AF800N ...

Page 37: ...he AC model of the controller Notice that 1 The external DP sensor is optional and it is intended for use in case there is no Embedded Electronic DP included 2 The powering of the unit is by 24v AC transformed from 220 110 v AC 3 The solenoids are 24v AC AF800N ...

Page 38: ...38 9 2 Control Loops Schematic Drawing ONE VALVE hydraulic Scheme DC1 10 CTRL AF800N AF800N ...

Page 39: ...39 ONE VALVE hydraulic Scheme AC1 10 CTRL AF800N AF800N ...

Page 40: ... or expenses of any kind or nature regardless of the nature thereof including without limitation injury to persons or property loss of use of the products loss of goodwill loss of profits or any other contingent liabilities of any kind or character alleged to be the cause of loss or damage to the purchaser This warranty does not cover damage or failure caused by misuse abuse or negligence nor shal...

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