Installation & Maintenance Manual
Contents
1. W 83 K T u z 224 j2z2228222z2z z 252523 7 ds C 38 Flange Width L Panel 75 A _ q Clamp Bracket Locations A e 31 Body i T Bracket 1 25 i CBO 4 4 CBO 10 4 M Section Y Y 1 Model A BC D E F G J K L M N V Y 1 4 8 6 3 5 6 75 4 88 3 03 8 75 3 12 0 56 9 5 2 38 3 38 0 25 0 62 4 4 10 8 4 8 75 6 88 3 53 10 75 3 62 0 56 11 5 3 38 1 5 0 25 0 62 10 4 46 1 7 9XP CBO 4 7 9XP CBO 10 7 9XP Enclosure Specifications Suitable for indoor or outdoor use in hazardous areas Body construction Feraloy iron alloy electrogalvanized and aluminum acrylic paint finish Cover construction copper free aluminum natural finish Cover supplied with neoprene O ring gasket to meet NEMA EEMAC 4 requirements for watertight seal Meets NEC CEC Class I Division 1 amp 2 Groups B C D Class II Division 1 Groups E F G Class II Division 2 Groups F G Class UL standard 886 CSA standard C22 2 No 30 Explosion proof dust ignition proof rain tight wet locations watertight All dimensions in inches dna ccm gens MPOB goes gna un ie S e 47 12 amp 34 Flexible Hose Assemblies I Specifications 1 1 2 i d x 24 overall length Tube Black EPDM Cover Red EPDM Reinforcement Textile plies Temp2. bonnet screws 6 main valve bonnet diaphragm spring marking THIS SIDE OUT Bleed hole in main diaphragm must face valve bonnet must be in alignment with cavity in main valve bonnet and valve body main diaphragm assembly valve body Parts marked with are supplied in spare parts kit RK DV1251 Torque Chart Torque Value Part Name Inch Pounds Newton Meters Solenoid Base Sub Assembly 175 2 5 19 8 2 8 Bonnet Screws pilot 95 10 10 7 1 1 Bonnet Screws main 160 10 18 1 1 1 17 DV1251 Coil Connection Options note DIN connector not available on XP valves Remove red cap and push solenoid down Then pry here to lift nameplate retainer and push to remove grounding wire solenoid green or green with yellow stripes with 1 2 NPT DV1251 C amp DV1251 XP conduit connection Tapped hole in core 0 250 28 UNF 2B 0 63 minimum full thread AC 0 38 minimum full thread DC DIN terminal adapter D lt gland nut connector DV1251 D DIN connector gland gasket washer socket head screw 5 32 hex key wrench DIN connector _ P EP terminal block see note 2 center screw connector cover Notes see note 1 1 Connector cover may be rotated in 90 degree increments from position shown for alternate position of cable entry 2 Refer to markings on DIN connector for proper electr
3. reduce outputs one position output Fuse 3 amp max 4 31 A B Terminals A B C for remote sequence start stop features ONLY DO NOT CONNECT POWER OR LOAD HERE 5 5 5 4 3 2 1 e s Output terminals to solenoids 1 3 amps max CBO 4 amp CBO 4 220 1 4 Output Sequence Controller Circuit board layout not to scale Revised 11 00 Output LEDs Neutral N L1 Power IN H L2 39 CBO 10 10 0utput sequence timer for controlling Airsweep systems Installation 1 Mount the control or enclosure in any convenient location Direction of the control does not affect performance 2 Connect 110 120 VAC 50 60 Hz supply to terminals H amp N For CBO 10 220 connect 220 230 VAC supply L1 to H L2 to N 3 Connect one wire of each solenoid load to terminals 1 10 as required Connect the remaining common wire from solenoid to terminal N Output rating is 3 amps at 115 VAC maximum 3 amps at 220 VAC for CBO 10 220 Sequence Output 1 then 2 and so on to last selected output Sequence will then repeat beginning at output 1 Sequence will always begin at output 1 at power up Remote Stop Function Sequence can be paused via remote switch or relay by closing circuit between terminals A and C When circuit is re opened sequence will resume at the point where it was numbered position co
4. Coupling u O Rin A Serres Mounting Flange Rubber Gasket 033 Compression Spring Hi PN NW NS NN ST Valve Body Valve Stem Piston VA 51 Airsweep assembly with mounting 1 O Ring Note denotes part included in rebuild kit Order RK 51 for carbon steel construction RK 51 SS for stainless steel construction For temperatures above 250 F specify Viton O ring OR 51 V Compression Spring CS 12 51 CS 12 51 SS Compression Washer CW 12 51 CW 12 51 SS Elastic Stop Nut ESN 12 51 ESN 12 51 SS 33 o Elastic Stop Nut a gt Compression Washer t3 Compression Spring Ma Lock Collar 0000 Spring Guide sss Td Mounting Coupling NV Valve Body OR HIT Mounting Flange HU LL LL LL L l aaa MWYN Valve Stem Piston VA 12 Airsweep assembly and mounting carbon steel stainless steel LC 12 Note denotes part included in rebuild kit Order RK 12 for carbon steel construction RK 12 SS for stainless steel construction 34 Elastic Stop Nut e Compression Washer x 196 Compression spring gt Mounting Spring Guide Coupling Mounting Plate Valve Body 700000000 Valve Stem VA 06 Airsweep assembly and mounting carbon steel stainless steel Mounting Coupling Note denotes part include
5. Installation amp Maintenance Manual Airsweep Models VA 06 VA 12 VA 51 Myrlen Inc P O Box 8783 Coral Springs FL 33075 USA Toll Free 800 662 4762 Fax 888 737 0297 www airsweepsystems com info airsweepsystems com 2004 Myrlen Inc AIRSWEEP INSTALLATION NOTES Consult installation drawing if provided for proper Airsweep location It is important to adhere to the recommended locations as the type number and location of Airsweeps have been selected for thorough sweep coverage of the problem surfaces in bin or chute It is usually not necessary to clean out or empty the bin before installing the Airsweeps Even if a crust or material has built up inside the bin the air blasts will generally cut it away from the bin wall over a period of time However the crust sometimes breaks away in chunks and it is possible that these chunks will clog the discharge If so the bin should be cleaned manually prior to start up CAUTION NEVER ENTER A BIN WHILE AIRSWEEPS ARE OPERATING If the material in the bin would have a tendency to run out of a hole cut in the bin wall the level of material in the bin should be dropped below the Airsweep location before cutting the holes in the bin wall When welding a continuous bead should be used to fasten the mounting to the bin wall on steel bins On concrete bin walls anchor bolts can be set in the concrete to coincide with the bolt hole pattern of the mounting plat
6. Sequence resumes when contact is opened ON pulse time adjust Rotate clockwise to increase a Power ON LED OFF Dwell time adjust Rotate clockwise to increase 6 4 5 5 1 22 4 sol L J C B A Remove jumper Terminals A B C for 24 VDC for remote sequence ON OFF and optional features ONLY DO NOT CONNECT POWER mm OR LOAD HERE 6 1 4 5 562 Fuse 5 Program Jumper Move 1 position down to reduce outputs by 1 1 position per output Remove jumper for 10 output operation 123 45 67 8 9101112 Output pulse LED Indicators Output Terminals 4 Connections to TATUS aS k Loads solenoids 1 3 Amps 12 or 24 VDC CBO 10 12 or 24 VDC 2 10 Output Sequence Controller Circuit board layout not to scale Revised 11 0 45 CBO 1 4 e CBO 4 4 CBO 10 4 Enclosure Specifications Suitable for indoor or outdoor use wherever protection from dust dirt oil or hose directed water is essential 14 gauge steel construction ANSI 61 gray polyester powder coating inside and out over phosphatized surfaces Seams continuously welded and ground smooth No holes or knockouts Stainless steel clamps and hinge pin Oil resistant gasket and adhesive Meets industry standards UL 50 Type 4 12 amp 13 NEMA EEMAC Type 4 12 amp 13 JIC standard EGP 1 1967 CSA Type 4 amp 12 IEC 529 IP66
7. 2 Ve 34 12 3 2 VA 20X48 60 20 48 26 18 77 8 1294 2 11 2 1 1 1 PIW 20 63 80 20 63 36 18 7 9 12 2 1 1 2 1 1 2 1 SA 3 2 Yar All dimensions in inches All receivers are built in accordance with the ASME section VIII Division code latest addition All vessels are U stamped and registered with National Board Note California requirements special please call Design pressure to 200 PSIG test pressure 300 PSIG Design temperature 20 to 650 F Type 1 2 1 elliptical heads All seams submerged arc welded Painted with one coat of standard gray shop primer 28 ASME VERTICAL AIR RECEIVERS 30 60 80 gallon F 1 4 NPT e F N ASME plate TL HT B yd S A lr d D x 1 2 NPT E BoltCirde 9 16 X 7 8 SLOT 4 places am A RR ud oer TL HT 40 81 12 56 30 06 25 06 2 81 7 Kd iL Sad bawd el bad i All dimensions in inches 29 ASME STANDARD HORIZONTAL AIR RECEIVERS 120 200 240 Gal x 6 d A A 4 _ y wa DIMENSIONS Port size NPT Tank gat A B C D E 1 2 3 4 5 6 7 Size 24x69 120 24 69 42 22 10 2 liwliwliwtl 1 be 30x72 200 30 72
8. Flange p n MF 12 4 3 8 holes on 3 1 2 bolt circle 24 1 2 4 I 1 7 8 12 thread 22 5 8 Lock Collar p n LC 12 Mounting Coupling p n MC 12 _ 7 8 72 lt oa 1 7 8 12 d thread 1 2 1 7 8 12 thread VA 06 Airsweep and Mounting Options all dimensions in inches MYRLEN CBO SERIES AIRSWEEP CONTROL BOX The control box is the heart of the Airsweep system It is this device which fires the Airsweeps in a prescribed sequence and at a prescribed interval to assure on demand or even discharging of material from the bin silo or chute The firing order is from the discharge lowest unit and up The burst signal sent from the control box to the solenoid valves is typically set at 0 25 seconds It is this signal that is responsible for the actual firing of any given Airsweep In some cases more than one solenoid valve may be wired to the same output to effect simultaneous firing of two Airsweeps The interval timer governs the dwell between successive firings The dwell should be set as long as possible without adversely affecting the flow of material A longer dwell will conserve air External controls if included on the control box consist of a rotary ON OFF switch and a push button labeled JOG The JOG button is intended to provide manual assistance of rapid firing of the Airsweeps in times of unusual material hang ups or whe
9. amp 6 00 positions and should be flush at sides 3 00 amp 9 00 positions MF 51 Mounting Flange Installation lt cr NN Ss AL M SD b e Mounting Flange Installation 1 Position flange on wall and mark bolt circle layout if bolting and hole for Airsweep 2 Cut hole in hopper wall for Airsweep sufficient diameter min 2 1 8 to allow Airsweep to pass through wall 3 Drill bolt holes if bolting 4 If welding remove O Ring from flange and apply splatter guard in O Ring groove 5 Bolt or weld flange to wall If bolting use rubber gasket in between wall and flange Rubber gasket should not be used if welding If welding replace O Ring after flange has cooled O Ring groove should be free of debris or residue before replacing O Ring 6 Slide Airsweep into position so that front of body of Airsweep is aligned flush with inside bin wall This will properly position piston head within the bin 7 After position of Airsweep is determined to be correct small countersink holes should be drilled in Airsweep body to allow cone point set screw to engage fully with body MC 06 MC 12 Mounting Coupling Installation N HOPPER THREADED COUPLING INSIDE WALL AIRSWEEP Model ibu e Ne VA 06 or VA 12 inside of bin wall 9 Body aligned FLUSH before welding k with inside wall PISTON HEAD N VL Z N BURN OR CUT y N HOLE LOCK NUT N OR COLLAR N Mounting Coupling Installation 1 Cut hole
10. clockwise to increase 43 8 For Long ON time jumper i a L Fuse 3 or 5 Amp cib V v Q Pulse ON Indicator 45 8 41 8 B B Os 6 5 4 3 2 1 o 70200 ON OFF Switch Terminals 5 amp 6 are normally open contacts H L1 Remote switchcan 7 N L2 be installed here Closing contacts turns on output signal Re opening contacts resets off time to beginning of cycle To Load solenoid 5 Amp max CBO 1 amp CBO 1 220 Single Output Controller Circuit board layout not to scale Revised 11 00 37 CBO 4 amp CBO 4 220 1 4 output sequence timer for controlling Airsweep systems Installation 1 Mount the control or enclosure in any convenient location Direction of the control does not affect performance 2 Connect 110 120 VAC 50 60 Hz supply to terminals H amp N For CBO4 220 connect 220 230 VAC L1 to N L2 to H 3 Connect one wire of each solenoid load to terminals 1 4 as required Connect the remaining common wire from solenoid to terminal N Output rating is 3 amps at 115 VAC maximum 3 amps at 230 VAC for CBO 4 220 Sequence Output 1 then 2 and so on to last selected output Sequence will then repeat beginning at output 1 Sequence will always begin at output 1 at power up Remote Stop Function Adjustable time ranges standard as supplied by factory Qn time range 30 milliseconds to 1 2 seconds Off dwell time range 2 seconds
11. to 2 minutes OFF dwell time ranges can be extended by inserting 16 VDC capacitor between terminals A and C Positive lead of capacitor is connected to terminal A negative lead of capacitor is connected to terminal C 16 VDC capacitor values and corresponding time ranges shown below Other times available by special order TIME RANGE value mfd 16 600 Milliseconds 30 Milliseconds to 1 2 seconds 2 Seguence can be paused via remote switch or relay by closing circuit between terminals A and C When circuit is re opened seguence will resume at the point where it was stopped 1to6seconds 1 2to 12seconds 22 3to 20seconds 33 1to60seconds 10 2secondsto2minutes 22 100 _220 Selecting total number of outputs If less than 4 outputs are desired remove the program jumper from the socket by pulling lightly until it retracts Reinsert the jumper in the numbered position corresponding to the amount of outputs desired Seguence will begin at 1 position cycle through consecutive outputs and repeat the seguence after reaching the output corresponding to jumper position 15 seconds to 10 minutes 30 seconds to 20 minutes 1 to 45 minutes 38 4 80 Close Contact to stop while OFF L Close Contact to stop while ON Off dwell time adjust ON pulse time adjust Power ON LED Program Jumper Move one position down
12. wall by bolting or weld continuous bead around flange or plate to exterior of wall 4 Apply anti seize compound to front threaded section of Airsweep Thread Airsweep into position so that front of body of Airsweep is aligned with front of coupling This will properly position piston head within the bin 4 After position of Airsweep is determined to be correct tighten lock nut or collar against coupling to keep Airsweep in position INSTALLATION AND MAINTENANCE MODEL DV1251 1 1 2 PULSE VALVE WITH INTEGRAL SOLENOID PILOT DESCRIPTION Myrlen DV1251 series valve is a 2 way quick opening closing high flow diaphragm type integral solenoid piloted valve Also available as a remote pilot operated valve model RDV1251 SOLENOID ENCLOSURES DV1251 C or D Watertight NEMA Types 1 2 3 3S 4 amp 4X enclosure specifications DV1251 XP Explosion proof amp Watertight NEMA Types 3 3S 4 amp 4X Types 6 amp 6P Type 7 Explosion proof Class 1 Division 1 Groups A B C amp D and Type 9 Dust ignition proof Class II Division 1 Groups E F amp G enclosure specifications ELECTRICAL 110 120 or 220 240 AC volts 50 60 Hz Watts 10 1 VA Holding 25 VA Inrush 50 other AC amp DC voltages available CONSTRUCTION Parts in contact with fluids Body Aluminum less than 0 4 copper Seals Buna N Discs Buna N Diaphragm Hytrel Viton seals and diaphragm available for high heat applicat
13. 38 28 12 2 2 2 2 1 1 Www 30x84 240 30 84 50 28 12 2 2 2 2 1 1 All dimensions in inches 30 ASME STANDARD VERTICAL AIR RECEIVERS 120 200 240 Gal 74 y 9 lt Dy o i i 1 i EN 3 DIMENSIONS Port size NPT Tank C D E F 3 4 5 6 7 8 Size Ve NPT 2 NPT 2 NPS Va NPT 1 NPT 1 NPT 30 X 46 120 30 46 7 7 7 12 Flat Flange Rad Flange Plug Flat Flange Flat Flange Rad Flange Ve NPT 2 NPT 2 NPS Va NPT 1 NPT 1 NPT 30 X 72 200 30 72 15 16 15 13 Flat Flange Rad Flange Plug Flat Flange Flat Flange Rad Flange Ve NPT 2 NPT 2 NPS Va NPT 1 NPT 1 NPT 30 X 84 240 30 84 19 20 19 13 Flat Flange Rad Flange Plug Flat Flange Flat Flange Rad Flange All dimensions in inches 31 AIRSWEEP MAINTENANCE INSTRUCTIONS Maintenance Requirements Inspection of all components every 6 months is recommended for signs of wear or fatigue Failure to perform routine inspections may result in sudden failure and possible contamination of material and or damage to production equipment Isolation Should it be necessary to overhaul any Airsweeps while the system is working it will be necessary to first close the valve s isolating the Airsweep s on that part of the hopper Next switch on the Airsweep control system for one fu
14. ARNING Turn off electrical power supply and de pressurize valve and header before making repairs NOTE It is generally not necessary to remove the valve from the pipeline for repairs CLEANING A periodic cleaning of all solenoid valves is desirable The time between cleanings will vary depending on medium and service conditions In general if the voltage to the coil is correct sluggish valve operation excessive noise or leakage will indicate that cleaning is required PREVENTIVE MAINTENANCE Keep the medium flowing through the valve as free from dirt and foreign material as possible While in service operate the valve at least once a month to insure proper opening and closing Periodic inspection depending on medium and service conditions of internal valve parts for damage or excessive wear is recommended Thoroughly clean all parts seats and bleed holes Replace any parts that are worn or damaged IMPROPER OPERATION 1 9N Faulty Control Circuits Check the electrical system by energizing the solenoid A metallic click signifies the solenoid is operating Absence of the click indicates loss of power supply Check for loose or blown out fuses open circuited or grounded coil broken lead wires terminals or splice connections Burned Out Coil Check for open circuited coil if faulty replace coil Low Voltage Check voltage across coil leads Voltage must be at least 85 of nameplate rating Incorrect Pressure Check valve p
15. R NN SOLENOID VALVE 2 i Z FLEX HOSE Z i 1 Z as a 7 FULL PORT N Z BALL VALVE HEADER MC 51 Mounting Coupling Installation gt 7 6 L NE Bin Inside Wall Mounting Coupling A amp Assembly N N 1 3700 5 W NY sC 3 1900 lt NIS lt lt x SSS 5 x Y 2 54 N 90 Degree Countersink N After Correct Airsweep NI Position is Determined N screw diameter X half Align Front of Coupling VA 51 thuckness IN Flush With Inside of Bin Wall RSs S N N A Mounting Coupling Installation 1 Cut hole in hopper wall diameter to fit 1 8 greater than diameter of coupling 14 is recommended to allow coupling to pass through curved wall 2 Remove O Ring and apply splatter guard in O Ring groove Align coupling flush with inside of vessel wall and weld continuous bead to exterior of wall Replace O Ring after flange has cooled O Ring groove should be cleaned and free of debris or residue before replacing O Ring 3 Slide Airsweep into position so that front of body of Airsweep is aligned with front of coupling This will properly position piston head within the bin 4 After position of Airsweep is determined to be correct small countersink holes should be drilled in Airsweep body to allow cone point set screw to engage fully with body Note On sharply curved bin walls body of Airsweep will extend slightly into the bin at top amp bottom 12 00
16. ck Valves Models 61105 1 amp 61108 2 Reinforced ball cone check and stainless steel springs these valves offer exceptional resistance to chemicals and corrosion No radial alignment is needed Features e 0 5 psi opening pressure e Bronze construction standard stainless steel available e Straight through design minimizes flow changes Dimensional Data Model Ports NPT Length Inlet O D Outlet O D Weight 61105 1 3 1 2 1 3 2 1 15 16 1 Ib 61108 2 6 3 3 11 16 7 Ib Pressure Temperature Ratings F PSIG 20 to100 400 200 200 250 160 275 150 300 140 325 130 353 125 50
17. d in rebuild kit Order RK 06 for carbon steel construction RK 06 SS for stainless steel construction Elastic Stop Nut ESN 06 ESN 06 SS 35 CBO 1 amp CBO 1 220 Single output timer for controlling Airsweep systems Installation 1 Mount the control or enclosure in any convenient location Direction of the control does not affect performance 2 Connect power supply to terminals H amp N Neutral to N High to H For CBO 1 220 connect L1 to H L2 to N 3 Connect one wire of solenoid load to terminal 4 Connect the remaining common wire from solenoid to terminal 3 Output rating is 5 amps at 120 VAC 220 VAC for CBO 1 220 maximum NOTE Load circuit must be in place across terminals 3 and 4 for timer circuit to operate Remote Jog Function Output can be instantly energized and off time reset via remote switch or relay by closing circuit between terminals 5 and 6 When circuit is re opened preset off time timing will resume Adjustable Time ranges standard as supplied by factory other times available by special order On time range 30 milliseconds to 1 2 seconds Off dwell time range 2 seconds to 2 minutes OFF dwell time ranges can be extended by inserting a jumper on the spade terminals to the left of the OFF time adjustment potentiometer 36 OFF time adjust counter clockwise to increase For long OFF time jumper 47 8 Eg ON time adjust 4 counter
18. e flow restriction in system If hopper is outdoors air receiver and filter should be located indoors whenever possible Check valve recommended if plant air pressure varies more than 10 psi Air Supply VA 12 amp VA 51 80 min to 100 max PSIG VA 06 40 min to 80 max PSIG IMPORTANT Solenoid valves must be located at Airsweep air inlets and not any distance upstream Purge all lines and unions before connecting to solenoid valves Particulate in lines may result in solenoid valve malfunction and excessive maintenance Use teflon tape on pipe joints rather than pipe dope to avoid fouling of solenoid valves 1 1 2 NPT sch 40 connecting nipple typ VA 51 Airsweep dimensions no scale VA 51 Airsweep MC 51 Mounting Coupling for curved walls 138 5 16 3 16 21 8 23 32 33146 ML 2 3 8 5 3 32 O Ring National Part Cone point 332 set screw 4 places MF 51 Mounting Flange for flat walls 13 8 7 NN i gt SSS se 3 3 16 5 15 16 1 AN NN q i O Ring N g y Gone point National l set screw 4 places S 332 011 16 Equally spaced on a 4 5 bolt circle 5 15 16 VA 12 Airsweep and Mounting Options all dimensions in inches VA 1 2 Airsweep 5 3 32 1 3 4 115 16 1 1 2 NPT 1 7 8 12 thread thread 6 3 4 Mounting
19. e or flange so that the mounting can be bolted to the wall PIPING INSTALLATION Follow the piping schematic that is a part of this instruction manual Never use smaller pipe size fittings or valves than the ones shown It is important that the header be installed below the level of the Airsweeps so that any condensation that may form in the lines will not drain into the Airsweeps If the header must be installed above the level of the Airsweeps the feed lines for the individual Airsweeps must be taken off the top of the header rather than the bottom to minimize condensation drainage into the Airsweeps and solenoids A full flow gate or ball valve is recommended as it allows one Airsweep to be taken out of service without shutting down the entire system Using flexible air hose in lieu of rigid piping from the header to the solenoids is recommended for ease of installation and for easy removal of the Airsweep when service is required NOTE USING SUITABLE SAFEGUARDS always blow out all air supply lines thoroughly before final hook up to solenoids Dirt in supply lines may cause the solenoid valves to malfunction When operating properly and under material the Airsweeps are almost silent If an Airsweep begins to chatter vibrate or machine gun it is generally caused by a solenoid valve malfunctioning due to dirt If this occurs SHUT OFF ELECTRIC amp AIR SUPPLY and DISCHARGE AIR in system then clean solenoid thoroughly see troublesh
20. ened ON pulse time adjust Rotate clockwise to increase Power ON LED OFF Dwell time adjust Rotate clockwise to increase de 27 32 yd I p C B A Terminals A B C for remote sequence ON OFF and optional features ONLY DO NOT CONNECT POWER OR LOAD HERE 6 1 4 5 562 Fuse 3 Amp 5 Fuse 1 8 Amp x Program Jumper Move 1 position down to reduce outputs by 1 1 position per output Remove jumper for 10 output operation 123 45 67 8 9 101112 Output pulse LED Indicators P Output Terminals 4 Connections to dp c NICE ED I0 M Loads solenoids 1 3 Amps H N L1 L2 CBO 10 amp CBO 10 220 2 10 Output Sequence Controller Circuit board layout not to scale Revised 11 00 41 CBO 4 12 24 VDC 1 4 Output sequence timer for controlling Airsweep systems Installation 1 Mount the control or enclosure in any convenient location Direction of the control does not affect performance 2 Connect 12 or 24 VDC supply to terminals H amp N Minus to Plus to 3 Connect one wire of each solenoid load to terminals 1 4 as required Connect the remaining common wire from solenoid to terminal Output rating is 5 amps at 12 or 24 VDC maximum 4 For 24 VDC remove red jumper Sequence Output 1 then 2 and so on to last selected output Sequence will then repeat beginning at output 1 Sequence will always begin a
21. ent high grade silicone grease 3 Replace main diaphragm assembly with marking THIS SIDE OUT facing main valve bonnet Be sure that bleed hole in diaphragm assembly is in alignment with cavity in valve body and bonnet The external contours of the diaphragm assembly body and bonnet must all be in alignment 4 Replace main bonnet and bonnet screws Torque main bonnet screws in a crisscross manner to 160 10 inch pounds 18 1 1 1 newton meters 5 Position pilot diaphragm assembly in valve bonnet Be sure bleed hole in pilot diaphragm assembly is in alignment with cavity in bonnet 6 Replace pilot bonnet and pilot bonnet screws Torque pilot bonnet screws evenly to 95 10 inch pounds 10 7 1 1 newton meters 7 Position core assembly with core spring and core guide into solenoid base sub assembly Engage this assembly into the pilot bonnet Torque solenoid base sub assembly to 175 25 inch pounds 19 8 2 8 newton meters 8 Replace coil and retaining clip 9 After maintenance operate valve a few times to be sure of proper opening and closing solenoid base sub assembly Indicates that these parts are included in rebuild kit core assembly X with core spring and guide pilot bonnet screws 2 solenoid base gasket n pilot valve bonnet Bleed hole pilot diaphragm assembly must be in alignment with cavity in pilot and main valve bonnet pilot diaphragm assembly
22. erature Range 40 F to 212 F Working Pressure 200 PSI Meets RMA class C medium oil resistance per ASTM D 471 Nipples 1 1 2 NPT galvanized double band clamps 34 i d X 24 overall length Tube Black Nitrile Cover Red Neoprene Reinforcement Textile plies Temperature Range 20 F to 180 F Working Pressure 220 PSI Oil resistant non conductive Nipples 3 2 NPT galvanized double band clamps 48 UF 17 amp UF 18 High Flow filters General purpose filters used in compressed air systems to remove most solid and liquid particles from the compressed air Specifications fs Fluid Compressed air Maximum pressure 250 psig Maximum temperature 175 F Port size 2 NPT Gauge ports UF 18 only 14 NPT Auto drain connection 1 8 NPT female Filter element 50 micron sintered bronze Body intermediate body bowl construction Aluminum Elastomers Neoprene and Nitrile Bowl sight glass Pyrex UF 18 Dimensions UF 18 Flow FLOW CHARACTERISTICS Primary psig Pressure bar t 23 4 6 E E AE e Urs LA i ls LLLA zd U 24 gt 800 400 500 600 700 800 900 1000 dm s FLOW UF 17 Dimensions UF 17 Flow 4 75 D F f psg 35 60 90 12 1 1 amp 0 Pressure bar 24 4 1 62 83 10 4 124 gt Sanne B 1 25 10 06 mmDJD MD 2 8 i O PRESSURE DROP 49 Ball Cone Che
23. erminals to solenoids 1 3 amps max 431 Close Contact to stop while OFF Close Contact to stop while ON A B C Off dwell time adjust Terminals A B C I for remote sequence and N E ON pulse time adjust start stop features ONLY P D DO NOT CONNECT POWER b OR LOAD HERE 5 4 Power ON LED 3 2 Program Jumper 1 Move one position down reduce outputs y one position output i Ze Fuse 3 amp max Remove jumper for 24 VDC Output LEDs 12 or 24 VDC CBO 4 12 or 24 VDC 1 4 Output Sequence Controller Circuit board layout not to scale Revised 11 00 43 CBO 10 12 24 VDC 2 10 0utput sequence timer for controlling Airsweep systems Installation 1 Mount the control or enclosure in any convenient location Direction of the control does not affect performance 2 Connect 12 or 24 VDC supply to terminals 11 amp 12 to 12 to 11 3 Connect one wire of each solenoid load to terminals 1 10 as required Connect the remaining common wire from solenoid to terminal 12 Output rating is 5 amps at 12 or 24 VDC maximum 4 For 24 VDC remove red jumper Sequence Output 1 then 2 and so on to last selected output Sequence will then repeat beginning at output 1 Sequence will always begin at output 1 at power up Remote Stop Function Sequence can be paused via remote switch or relay by clo
24. escription Description 1 Body O Ring 2 Main Bleed Pin Plunger Assembly 4 Spring Main Diaphragm 5 Main Cover 13 1 6 Hexagonal Screw 7 Secondary Bleed Pin 8 Secondary Diaphragm 9 Spring Sec Diaphragm 10 Secondary Cover RCA 11 Socket Screw 4 Pilot valve for Remote Pilot Operated Diaphraqm Valves I 8NPT 2PLACES Diameter 9 gt 1 8 NPT Connecting Nipple U Connect to 1 8 NPT port on remote pilot operated diaphragm valve 25 TROUBLE SHOOTING PROBLEM 1 Diaphragm Valve fails to operate open 2 Diaphragm Valve fails to shut 3 Unable to build header pressure 4 Sluggish operation of diaphragm valve POSSIBLE CAUSE No pressure in header Low or no power to coil Coil inoperative Pilot valve plunger jammed shut Pilot orifice blocked Secondary bleed hold blocked Main diaphragm perforated Secondary diaphragm perforated Pilot valve connecting line too long Silencer if fitted may be blocked Pilot valve plunger jammed open Foreign matter under pilot valve Secondary diaphragm spring broken Foreign matter under secondary diaphragm Main diaphragm spring broken Foreign matter under main diaphragm Main diaphragm seating disc damaged Main bleed hole blocked Secondary bleed hole blocked Leak in line connecting pilot valve Excessive leakage from main diaphragm seat Broken main valve spring Secondary diaphragm not seating Foreig
25. ical connections 18 DV1251 1 1 2 Diaphraqm Valve with Integral Solenoid 1 2 NPT 3 8 NPT Ate T 6 28 Exhaust 1 1 2 NPT Inlet amp Outlet INSTALLATION AND MAINTENANCE MODEL DV06 34 PULSE VALVE WITH INTEGRAL SOLENOID PILOT DESCRIPTION Myrlen DVO6 series valve is a 2 way quick opening closing high flow piston diaphragm type integral solenoid piloted valve Also available as a remote pilot operated valve model RDVO6 SOLENOID ENCLOSURES DV06 C Watertight NEMA Types 1 2 3 35 4 amp enclosure specifications DV06 XP Explosion proof amp Watertight NEMA Types 35 4 amp Types 6 amp 6P Type 7 Explosion proof Class 1 Division 1 Groups A B C amp D and Type 9 Dust ignition proof Class ll Division 1 Groups E F amp G enclosure specifications ELECTRICAL 110 120 or 220 240 AC volts 50 60 Hz Watts 10 1 VA Holding 25 VA Inrush 50 other AC amp DC voltages available CONSTRUCTION Parts in contact with fluids Body Aluminum less than 0 496 copper Seals Buna N Discs Buna N Diaphragm Hytrel Viton seals and diaphragm available for high heat applications NOMINAL TEMPERATURE RANGES Ambient amp Fluids 0 F to 150 F 19 C to 66 C high temperature specify Viton diaphragm amp seals Viton range O F to 350 F 18 C to 177 C Fluid Air or Nitrogen inert gas Working Pressures minimum 5 p
26. in hopper wall diameter to fit 1 8 greater than diameter of coupling is recommended to allow coupling to pass through curved wall Hole sizes VA 06 1 9 16 VA 12 3 1 16 2 Align coupling flush with inside of vessel wall and weld continuous bead to exterior of wall 3 Apply anti seize compound to front threaded section of Airsweep Thread Airsweep into position so that front of body of Airsweep is aligned with front of coupling This will properly position piston head within the bin 4 After position of Airsweep is determined to be correct tighten lock nut or collar against coupling to keep Airsweep in position Note On sharply curved bin walls body of Airsweep will extend slightly into the bin at top amp bottom 12 00 amp 6 00 positions and should be flush at sides 3 00 amp 9 00 positions MP 06 MF 12 Mounting Flange Installation 77 HOPPER 2 INSIDE WALL AIRSWEEP MODEL MOUNTING 2 VA 06 or VA 12 PLATE EY Body aligned FLUSH OR FLANGE Z with inside wall N MW n n ae N Ia PISTON HEAD 1 A BURN OR CUT LOCK NUT Z HOLE OR COLLAR Z Z 2 2 Mounting flange plate Installation 1 Position flange or plate on wall surface Mark hole for Airsweep If bolting mark bolt circle layout 2 Drill or cut hole for Airsweep and bolt holes if needed Hole size for Airsweep should be sufficient diameter to allow Airsweep to pass through wall 3 Fasten plate or flange to
27. ions NOMINAL TEMPERATURE RANGES Ambient amp Fluids 0 F to 150 F 19 C to 66 C high temperature specify Viton diaphragm amp seals Viton range O F to 350 F 18 C to 177 C Fluid Air or Nitrogen inert gas Working Pressures minimum 5 psi maximum 125 psi Cv flow factor 53 Pipe size 1 1 2 NPT inlet amp outlet and 3 8 NPT exhaust port OPERATION Normally closed Valve is closed when solenoid is de energized Valve opens when solenoid is energized INSTALLATION Check nameplate for correct catalog number pressure voltage and service For DV1251 XP ONLY Caution to prevent fire or explosion do not install the DV1251 XP where ignition temperature of hazardous atmosphere is less than 165 C POSITIONING This valve is designed to perform properly when mounted in any position NOTE for optimum life and performance the solenoid should be mounted vertical and upright so as to reduce the possibility of foreign matter accumulating in the core tube area PIPING Connect piping to valve according to markings on valve body Inlet port is marked with IN 3 8 port on upper chamber of valve is exhaust ONLY Do not connect anything to exhaust port except a high flow muffler or strainer Restriction to flow through this port will cause valve to malfunction operate sluggishly or not operate at all Thread seal tape is recommended rather than pipe compound If compound is used apply sparingl
28. ll cycle This will allow compressed air to clear from all isolated pipes around the hopper by cycling all Airsweeps within the system at least once CAUTION to avoid injury pressure must be relieved from header piping before maintenance is started Dismantling Having first disconnected the electrical leads and the air piping the Airsweep may be withdrawn by loosening hex setscrews or lock nut and removing Airsweep from mounting flange plate or coupling NOTE mark Airsweep body to insure proper re alignment with interior wall At the work bench the solenoid valve should be unscrewed from the Airsweep Holding the front of the valve cap in a vise loosen and remove the jam nut and elastic stop nut from the valve stem The compression washer compression spring spring guide and valve stem can then be taken out Inspect all parts for signs of wear or fatigue Particularly note threads of the valve stem and the front seat of the valve cap Replace worn or damaged parts Reassembly Reassemble valve assembly Tighten elastic stop nut to 3mm 1 8 of internal stop front spring guide Check 1 8 dimension by manually pushing on rear of valve stem to extend front cap from body Reinstall jam nut and tighten against elastic stop nut Reassemble with solenoid and place back in hopper IMPORTANT Front of Airsweep valve body must align with interior of hopper wall 32 Jam Nut Elastic Stop Nut Compression Washer gt Mounting
29. n increased material flow is required WARNING NEVER ALLOW ANYONE TO LOOK INTO OR ENTER BIN WHEN AIRSWEEPS ARE OPERATING EYE OR OTHER INJURY MAY RESULT SHUT OFF ELECTRIC amp AIR SUPPLY TO AIRSWEEPS AND DISCHARGE AIR IN SYSTEM BEFORE INSPECTING OR SERVICING AIRSWEEPS TYPICAL SYSTEM COMPONENTS Mounting Coupling or Flange Plate Flexible Hose Pipe Header Loop Full flow Check Valve Ball Valve 57 re Full flow Moisture Trap Full flow Regulator Air Supply a 59110889002 euondo YIM NIV3G OLAV jno e 8uidid Oda d N CIVIC OL d X HOLId dHO LOHS LH 1LO HH L sy E NHdVHH dVULTINLSION T ME N TIVA MHddOH HV LH 489 Y AN ES HA TVA NOHHO L HO LAHS i N TV IdAL AN X dHHAMSIIV dOL INO SNOLLOHNNOO UAL ITA HA IGI VHGCVHH TIV AVMAG M LON SWALSAS 90 VA WAWININ 1 SIWELLSAS IS VA 10 CI VA WAWINIW O Air receiver connection detail TO AIRSWEEPS AND HEADER 1 PIPE FOR VA 06 SYSTEMS qv 2 PIPE FOR VA 12 or VA 51 SYSTEMS GAS FEED i EE Connect header supply to ASME inspection ports J N CHECK VALVE 1 PIPE FOR VA 06 SYSTEMS d v N 2 PIPE FOR VA 12 or VA 51 SYSTEMS e id Header Airsweep connection detail MOUNTING COUPLING OR FLANGE AIRSWEEP Z HOPPER WALL N N 2 CONTROLLE
30. n matter under main or secondary diaphragm seat or under pilot valve seat Air supply line too small Compressor too small Partial blockage of one of the bleed holes Silencer if fitted may be blocked 26 SPECIAL NOTE To prevent premature failure of a diaphragm valve special attention must be paid to the quality of the compressed air gas being handled An adequate moisture and oil removal system must be incorporated that takes into account e relative humidities likely to be experienced e ambient temperatures e system operating temperatures e pressure drops and associated temperature drops through the valve and also through the blow tube holes dew point problem Also small traces of chlorine and other aggressive gases often present in filter systems can be absorbed in wet areas resulting in corrosion and premature failure Apart from valve failures systems may not perform to expectation for a number of reasons including the following e inaccurate mounting positioning of the Airsweep s relative to the vessel wall inadequately sized header and or air supply incorrect pulse time incorrect intervals between pulses improper adjustment or wear of Airsweep s piston head 27 ASME HORIZONTAL AIR RECEIVERS 30 60 80 Gallon N 2 A r TN E A DIMENSIONS Port size NPT Tank Size Gal A B C D E F 1 2 3 4 5 6 7 8 14X48 30 14 48 33 14 5 9 16 9 1 1
31. ooting AIR USAGE NOTE It is important to note that the lower limit of the interval timer is governed by how fast the air receiver can recover its air loss from the preceding Airsweep burst If there is some doubt a gauge should be installed on the air receiver tank or header For example if the gauge initially reads 95 psi when the receiver is fully pressurized it should not drop below 80 psi for one burst if the receiver has been properly sized The instant the receiver again recovers the 95 psi after one Airsweep is fired it is then ready for another firing If the gauge never indicates the original pressure the Airsweeps are firing faster than the air supply can recover GENERAL NOTES amp SUMMARY Entire electrical system must be properly grounded for personnel safety Distance between air receiver and header has no limit as long as 2 pipe 1 for VA 06 amp fittings are used throughout Slope header toward receiver 1 4 ft for moisture drainage Whenever possible locate header below Airsweeps Always tap feed lines off top of header even if header is above Airsweeps to prevent moisture drainage into Airsweeps Never use pipe or fittings smaller than sizes indicated Use location arrangement drawing if provided for Airsweep location Whenever possible complete header loop around the hopper Manual isolation valves optional must be gate valves or comparable lull orifice valves to not induc
32. ressure Pressure to valve must be within 5 125 psi Excessive Leakage or Failure to Open or Close Check for restrictions to or blockage of exhaust port Disassemble valve and clean all parts Check for clogged bleed holes or tom diaphragm assemblies Replace parts that are worn or damaged with a complete spare parts kit for best results VALVE DISASSEMBLY Refer to diaqram on next page De pressurize valve and turn off electrical power supply If rigid conduit is used it may be necessary to disconnect it Proceed in the following manner 1 Disassemble valve in an orderly fashion paying careful attention to exploded view provided for identification of parts 2 Remove retaining clip amp plate and slip the entire coil enclosure off the solenoid base sub assembly 3 Unscrew solenoid base sub assembly from pilot bonnet Remove core assembly core spring core guide and solenoid base gasket Unscrew pilot bonnet screws and remove pilot bonnet and pilot diaphragm assembly Remove main bonnet screws main valve bonnet and main diaphragm assembly All parts are now accessible for cleaning or replacement Replace worn or damaged parts with a complete spare parts kit for best results VALVE REASSEMBLY _ Reassemble in reverse order of disassembly paying careful attention to exploded view provided for identification and placement of parts 2 Lubricate solenoid base gasket with DOW CORNING 111 Compound lubricant or an equival
33. rresponding to the amount of outputs desired Sequence will begin at 1 position cycle through consecutive outputs and repeat the sequence after reaching the output corresponding to jumper position Adjustable time ranges standard as supplied by factory On time range 30 milliseconds to 1 2 seconds Off dwell time range 2 seconds to 2 minutes OFF dwell time ranges can be extended by inserting 16 VDC capacitor between terminals A and C Positive lead of capacitor is connected to terminal A negative lead of capacitor is connected to terminal C 16 VDC capacitor values and corresponding time ranges shown below Other times available by special order stopped TIME RANGE value mfd 16 600 Milliseconds 30 Milliseconds to 1 2 seconds Selecting total number of outputs Number of outputs is determined by the position of the program jumper which is generally shipped in the 9 position If 10 outputs are desired the jumper should be removed If less than 10 outputs are desired remove the jumper from the socket by pulling lightly until it retracts Reinsert the jumper in the 1 to 6 seconds 2 to 12 seconds 3 to 20 seconds T L2 1 22 33 1to60seconds 10 22 100 220 40 Close contact between B amp C to hold output ON Sequence resumes when contact is opened 5 5 6 Close contact between A amp C to STOP sequence Sequence resumes when contact is op
34. si maximum 125 psi Cv flow factor 15 Pipe size 34 NPT inlet amp outlet 20 DV06 Exploded View less coil Disassembly Reassembly i a UD Solenoid Base Sub Assembly Core Spring Install wide end in core closed end protrudes from core top a gt ATTE Valve Bonnet SUA Retaining Ring 5 Hex Head Screw Diaphragm piston Assembly Valve Inlet Note Position bleed hole opposite 7 valve inlet Torque solenoid base sub assembly to 175 25 in lbs Parts kit RK DVO6 includes all above parts EXCEPT valve body retaining ring hex head screw and hex nut 21 DVO6 34 Diaphragm Valve with Integral Solenoid 3 4 NPT Inlet amp Outlet RDV06 34 Remote Pilot Operated Diaphragm Valve 3 33 197 ter 3 4 NPT Inlet amp Outlet 22 Model MCA RCA Diaphragm Valves 3 4 amp 1 1 2 Dimensions inches Model Orifice A RCA 20T 3 97 RCAJST 1 541 _ MCA 20T Y 395 MCA 45T 1 541 Pilot Connections 1 8 NPT Exhaust Connections MCA RCA 20 1 8 NPT MCA RCA 45 3 8 NPT SPARE PARTS KITS Solenoid Kit Diaphragm Kit Model Buna N Viton Buna N Viton MCA RCA 20T M1131B_ M1167B K2000 M2082 MCA RCA 45T 1131 M1167B K4502 M2163 23 PARTS LIST MCA RCA SERIES DIAPHRAGM VALVE ITEM D
35. sing circuit between terminals A and C When circuit is re opened sequence will resume at the point where it was stopped Selecting total number of outputs If less than 10 outputs are desired remove the program jumper from the Sequence will begin at 1 position cycle through consecutive outputs and repeat the sequence after reaching the output corresponding to jumper position Adjustable time ranges standard as supplied by factory On time range 30 milliseconds to 1 2 seconds Off dwell time range 2 seconds to 2 minutes OFF dwell time ranges can be extended by inserting 16 VDC capacitor between terminals A and C Positive lead of capacitor is connected to terminal A negative lead of capacitor is connected to terminal C 16 VDC capacitor values and corresponding time ranges shown below Other times available by special order TIME RANGE value mfd 16 600 Milliseconds 30 Milliseconds to 1 2 seconds 2 E 1 to 6 seconds 2 to 12 seconds 22 3 to 20 seconds 33 socket by pulling lightly until it retracts Reinsert the jumper in the numbered position corresponding to the amount of outputs desired 1to60seconds 110 2 seconds to 2 minutes 22 15 seconds to 10 minutes 100_ 30 seconds to 20 minutes _ 220 44 Close contact between B amp C to hold output ON Sequence resumes when contact is opened Close contact between A amp C to STOP sequence
36. t output 1 at power up Remote Stop Function Sequence can be paused via remote switch or relay by closing circuit between terminals A and C When Adjustable Time ranges standard as supplied by factory On time range 30 milliseconds to 1 2 seconds Off dwell time range 2 seconds to 2 minutes OFF dwell time ranges can be extended by inserting 16 VDC capacitor between terminals A and C Positive lead of capacitor is connected to terminal A negative lead of capacitor is connected to terminal C 16 VDC capacitor values and corresponding time ranges shown below Other times available by special order TIME RANGE 16 600 Milliseconds 30 Milliseconds to 1 2 seconds 1 to 6 seconds value mfd 2 to 12 seconds 2 2 3 to 20 seconds 33 circuit is re opened sequence will resume at the point where it was stopped 1to60seconds 10 2secondsto2minutes 22 15 seconds 10 minutes 100 30 seconds to 20 minutes 220 Selecting total number of outputs If less than 4 outputs are desired remove the Program jumper from the socket by pulling lightly until it retracts Reinsert the jumper in the numbered position corresponding to the amount of outputs desired Seguence will begin at 1 position cycle through consecutive outputs and repeat the seguence after reaching the output corresponding to jumper position 42 4 80 Output t
37. y to male threads only if applied to valve threads it may enter the valve and cause operational difficulty Pipe strain should be avoided by proper support and alignment of piping When tightening pipe do not use valve as a lever Wrenches applied to valve body or piping should be located as close as possible to connection point CAUTION To avoid damage to the valve body DO NOT OVERTIGHTEN PIPE CONNECTIONS If tape thread seal spray or similar lubricant is used use extra care due to reduced friction WIRING Wiring must comply with Local and National Electrical Codes Conduit style solenoid housings are provided with a hole to accommodate 1 2 inch NPT conduit The solenoid enclosure may be rotated to facilitate wiring SOLENOID TEMPERATURE Standard DV1251 valves are supplied with coils designed for continuous duty service When the solenoid is energized for a long period the solenoid enclosure becomes hot and can be touched by the hand only for an instant This is a safe operating temperature Any excessive heating will be indicated by the smoke and odor of burning coil insulation FOR DV1251 XP ONLY the integral solenoid in the DV1251 XP has an internal non reset able thermal fuse to limit solenoid temperature in the event that extraordinary conditions occur which could cause excessive temperatures These conditions could include high input voltage a jammed core excessive ambient temperature or a shorted solenoid etc MAINTENANCE W
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