Table of Contents
Summary of Contents for YAMIT E.L.I. AF800N Series
- Page 1 AF800N Series Hydraulic 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...
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Page 2: Table Of Contents
AF800N Table of Contents Subject Page No. Introduction Safety Instruction Description & Operation Technical Data Initial Installation & Operation Maintenance & Periodical Checks 6V (4X1.5V) Batteries Removal and Installation Control Card Removal and Installation Solenoid Removal and Installation Hydraulic Piston Assembly Removal and Installation Coarse Screen Removal and Installation Fine Screen Assembly Removal and Installation Dirt Collector Removal and Installation... -
Page 3: Introduction
AF800N 1. Introduction General YAMIT Filtration Ltd congratulates you on purchasing the AF800N SERIES self- cleaning filter. This filter is part of the wide family of filters produced and supplied by YAMIT for agriculture, municipal water and sewage systems, and all types of industrial applications. -
Page 4: Description & Operation
AF800N 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: 1. - Page 5 AF800N Filter Operation - General Description (Figure 1) Water enters the filter through the “Inlet” (1) and passes through the coarse screen (2) that functions as a “first stop” for rough particles. Water then reaches the fine screen (3), which further purifies the flow by separating smaller particles from the water.
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Page 6: Technical Data
AF800N 4. Technical Data Standard Features Minimum operating pressure: 2 bar (29 psi) Maximum operating pressure: 10 bar (145 psi) Clean filter pressure loss: 0.1bar (1.45 psi) Maximum water temperature: 65°C (149°F) Filtration range: 80-1000 microns Control voltage: 6V 12V DC, 24V AC, 220V AC Flush water consumption (at minimum working pressure): 80 liters (21 gallons) - Page 7 AF800N Flow Rate In/Out Maximum Flushing Screen area Flushing volume Model Flow Rate Flow Rate ) (in (m³) (gal) (mm) (in) (m3/h) (gpm) (m3/h) (gpm) AF803NL 3220 0.083 22.01 5780 AF804NL 0.083 22.01 8410 1303 AF804NX 0.083 22.01 5780 AF806NL 0.083 22.01 8410...
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Page 8: Initial Installation & Operation
AF800N 5. Initial Installation & Operation General The filter assembly is protectively packed with all parts assembled. Installation Remove the filter assembly from the wood platform. Connect the filter assembly to the inlet line and outlet line. Connect a drain pipe to the hydraulic flushing valve outlet opening (at least 63 mm plastic pipe or 2"... - Page 9 AF800N Initial Operation Gradually open the inlet valve (make sure that the outlet valve, if installed, is open). Check the filter assembly and its connections for leaks. Perform a flushing cycle manually by pushing the test button located on the outside of the control box (See Figure 3). Verify that the hydraulic piston fully extends during back flush.
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Page 10: Maintenance & Periodical Checks
AF800N 6. Maintenance & Periodical Checks 6.1 - 6V (4 x 1.5V) Battery Removal & Installation The 4 x 1.5V battery enables the electronic control unit's operation. The battery can last for 3000 flushing cycles, but should be replaced every six months. -
Page 11: Control Card Removal And Installation
AF800N 6.2 - Control Card Removal & Replacement Disconnect the controller from power (AC) or remove batteries (DC) Remove upper and lower cover. If there are any outputs card connected to the controller disconnect them. Unscrew 5 screws (Red Circles). Disconnect power wires (Both AC &... - Page 12 AF800N For DC model only– Unscrew and remove step-up card Unscrew the main card – 4 screws (Red circles). Remove the card. Place the new card and go backwards through the same steps as described above: • Fasten the 4 screws. •...
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Page 13: Solenoid Removal And Installation
AF800N 6.3 - Solenoid Removal & Replacement The solenoid hydraulically controls the flushing valve's operation. 1. Remove the upper cove, disconnect and remove the 4 x 1.5V batteries. 2. Disconnect the solenoid control tubes. 3. Remove the fittings from the damaged solenoid. 4. -
Page 14: Hydraulic Piston Assembly Removal And Installation
AF800N 6.4 - Hydraulic Piston Assembly Removal & Replacement The hydraulic piston enables the linear movement of the dirt collector. 1. Close the inlet and the outlet line valves. 2. Verify that the filter is drained prior to service. 3. Disconnect the control tube from the piston assembly’s upper section. 4. -
Page 15: Coarse Screen Removal And Installation
AF800N 6.5 - Coarse Screen Removal & Installation 1. Close the inlet and the outlet line valves. 2. Verify that the filter is drained prior to service. 3. Remove the nuts and washers connecting the cover to the filter housing. 4. -
Page 16: Fine Screen Assembly Removal And Installation
AF800N 6.6 - Fine Screen Assembly Removal & Installation 1. Close the inlet and the outlet line valves. 2. Verify that the filter is drained prior to service. 3. Remove the nuts and washers connecting the cover to the filter housing. 4. - Page 17 AF800N Figure 8: Fine Screen Assembly Removal & Replacement...
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Page 18: Dirt Collector Removal And Installation
AF800N 6.7 - Dirt Collector Removal & Installation 1. Close the inlet and the outlet line valves. 2. Verify that the filter is drained prior to service. 3. Remove the nuts and washers connecting the cover to the filter housing. 4. - Page 19 AF800N Figure 9: Dirt Collector Removal & Replacement...
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Page 20: Periodical Checks
AF800N 6.8 - Periodical Checks Perform yearly or periodical checks at the beginning of the season, according to the following: 1. Replace the 4X1.5V batteries at the beginning of every season or every six months; refer to "Batteries Removal & Replacement". 2. - Page 21 AF800N Figure 10: Periodic Checks...
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Page 22: Troubleshooting
AF800N 7. Troubleshooting Pressure difference between inlet and outlet - above 0.5 bar 1. Check the differential pressure indicator adjustment. 2. Verify that the line pressure matches the filter’s operational pressure. 3. Perform an additional flushing cycle manually by pushing the test button located on the outside of the control box. - Page 23 AF800N Check solenoid operation by connecting the wires directly to the battery Solenoid clicks and Solenoid doesn't click Solenoid clicks and flushing flushing cycle starts at all (not operating) cycle does not start Check Inlet & Outlet line Replace the solenoid Replace the control card pressure Pressure reading above...
- Page 24 AF800N Disassemble the filter and check: 1. Dirt collector rotates freely. 2. Upper bearing and screen bearing are not deformed (oval). Replace the defective part Filter found serviceable and/or release the jammed part Reassemble the filter and The problem was not solved operate the system during a regular service check.
- Page 25 AF800N Filter flushing cycle does not stop Check condition of battery and solenoid Check solenoid operation by Flushing connecting the wires directly to stops the battery Flushing does not stop Check the condition of the distributor unit aperture Not Clogged Clogged the flushing valves Clean the aperture...
- Page 26 AF800N One of the flushing valves flushes continuously Check condition of battery and solenoid Disconnect the control tube from the upper cap, and verify existence of water pressure Pressure does Pressure does not exist exist Check the Replace the control tube for mechanical obstructions actuator...
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Page 27: Ipb
AF800N 8. IPB... - Page 28 AF800N IPB No Model Catalog No Description AF800N FILTER BODY AF800N FILTER COVER AF800N 5311250100 U-RING FOR COVER 10"-14" AF803NL-808NL 5292143001-048 STUD 1/2"NC*48 SS304 AF810NL 5292143001-055 STUD 1/2"NC*55 SS304 AF800NL 4121123001 WASHER M12 SS304 AF800NL 4112140401 NUT 1/2"NC HOT GALVANIZED AF803NL AF804NL E7005600100-01...
- Page 29 AF800N Model Catalog No Description 10.1 AF800N E5122670302 SUCTION NOZZLE (SADDLE) AF800N/9800N AF803NL E5142610200-01 COMP HYDRAULIC MOTOR PVC AF803NL AF804NL E5142610200-02 COMP HYDRAULIC MOTOR PVC AF804NL/6NL/8NR AF806NL AF804NX AF806NX COMP HYDRAULIC MOTOR PVC AF804NX/6NX/ E5142610200-03 AF808NL 8NL/10NL AF810NL 11.1 AF800N W5173390002-01 HEAD COLLECTOR BEARING BRASS AF800N/9800N AF800N...
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Page 30: Appendix
AF800N 9. Appendixes 9.1 - Filtron 1-10 (AC/DC) List of features •The FILTRON 1-10 is a modular controller suitable for flushing 1 to 10 filters •The FILTRON 1-10 is available in both DC or AC models •The FILTRON 1-10 can be ordered with a built-in analog DP sensor that enables reading the actual value as well as triggering the flushing cycle by a preset value. - Page 31 AF800N The flush mode The Flush Mode defines how the flushing cycles are triggered. The selectable options are as follows: no flushing will take place By time in this case the flushing cycle will be repeated in a selected interval or will be triggered by the DP signal depending on what happens first.
- Page 32 AF800N During the configuration process the following features are defined: Main valve (sustaining valve) YES/NO. When the answer is YES the Pre Dwell delay between the main valve opening and the opening of Station nr. 1 can be defined. The selectable delay steps are: 5, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55 seconds.
- Page 33 AF800N Handling low pressure When a closed contact indication is received at the low pressure input of the controller, a symbol will appear blinking at the display. All activities will stop, including the countdown to the next flushing cycle. If the low pressure happens while a flushing sequence is in process, when the low pressure condition finishes, the flushing sequence will start from the beginning rather than continuing from the stop point.
- Page 34 AF800N TECHNICAL DATA DC MODEL Power source: 6v supplied by 4 x1.5 “D” size alkaline batteries or one 12v DC dry battery or one 12v rechargeable battery with solar panel of 2 watts Outputs: 12v DC latching solenoids embedded electronic analog DP sensor or external dry contact DP sensor.
- Page 35 AF800N Wiring diagram DC MODEL The drawing shows the wiring 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.
- Page 36 AF800N DC MODEL – GALSOL DC...
- Page 37 AF800N Wiring diagram AC MODEL The drawing shows the wiring of the 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.
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Page 38: Control Loops Schematic Drawing
AF800N 9.2 - Control Loops Schematic Drawing ONE VALVE hydraulic Scheme DC1-10 CTRL AF800N... - Page 39 AF800N ONE VALVE hydraulic Scheme AC1-10 CTRL AF800N...
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Page 40: International Warranty
AF800N 10. STANDARD INTERNATIONAL WARRANTY YAMIT Filtration & Water Treatment Ltd. (hereinafter -" YAMIT") guarantees to the customers who purchased YAMIT's products directly from YAMIT or through its authorized distributors, that such products will be free from defect in material and/or workmanship for the term set forth below, when such products are properly installed, used and maintained in accordance with YAMIT's instructions, written or verbal.
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