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Donaldson Company, Inc.

Problem

Probable Cause

Remedy

Total loss of suction

Blower motor stopped

Check motor started overloads, fuses and interlocks.
Check motor connections and windings.

Filters plugged

Check that the dust removal container is not full and

that the equipment served is operating. Turn fan OFF

and allow the controller to perform several complete

cleaning cycles. Remove each filter bag, vacuum

outside surfaces, and reinstall. Replace damaged or

torn filters.

Obstructed ductwork

Check and remove obstructions.

Clean-air outlet
discharging dust

Filter bags not installed

correctly

See Filter Bag Replacement.

Torn or damaged filters

Replace as necessary.

Troubleshooting

Содержание Dalamatic Cased DLMC 1/2/15

Страница 1: ...ete Donaldson Company reserves the right to change design and specifications without prior notice Illustrations are for reference only as actual product may vary Dalamatic Cased DLMC 1 2 15 1 3 15 1 4 15 1 5 15 1 7 15 2 2 15 2 3 15 2 4 15 2 5 15 2 6 15 2 8 15 3 3 15 3 5 15 3 6 15 3 7 15 3 8 15 4 5 15 and 4 8 15 Units Built After July 2006 Installation and Operation Manual Installation Operation an...

Страница 2: ...son assumes no responsibility or liability for the suitability of any fire and or explosion mitigation strategy or any items incorporated into a collector as part of an owner operators hazard mitigation strategy Improper operation of a dust control system may contribute to conditions in the work area or facility that could result in severe personal injury and product or property damage Check that ...

Страница 3: ...ation Codes and Procedures 4 Installation 4 Foundations or Support Framing 5 Collector Location 5 Site Selection 5 Rigging Instructions 5 Hoisting Information 5 Standard Equipment 7 Shipping Information 8 Collector Installation 9 Provisional Anchor Bolt Recommendations 9 Manifold Installation 11 Compressed Air Installation 11 Electrical Wiring 12 Solid State Timer Installation 13 Helix Tube Filter...

Страница 4: ... DLMC provides continuous filtration and high collection efficiency while maintaining a relatively constant system resistance Standard sizes range from 323 to 5164 sq ft 30 to 480 sq meters of filter area A solid state timer provides the interface for filter cleaning control Options include a pyramid hopper for use with a 55 gallon drum or rotary airlock a trough hopper for use with a screw convey...

Страница 5: ...ral Acceleration S1 0 6 g Installed Collector Base Elevation Grade Risk Category II Compressed air supply psig 90 100 Housing rating inches water gauge 20 Control power 120 Volt 50 60 Hz If collector was supplied with a Record Drawing the specifications on the drawing will supersede the standard specifications above Pyramid Hopper Typical Side View Pyramid Hopper UMA Hopper with 4 cu ft Bins Troug...

Страница 6: ...et tube positioned over each filter distributes a pulse of compressed air through the filter As the compressed air enters the filter airflow is temporarily reversed dislodging the dust cake formed on the outside of the filter The dust cake falls into the hopper and exits through the hopper outlet outlet header sealing frame and ring accumulated dust cake filter clean air plenum dirty air plenum ai...

Страница 7: ...ompressed air manifold Installation Use proper equipment and adopt all safety precautions needed for servicing equipment Electrical service or maintenance work must be performed by a qualified electrician and comply with all applicable national and local codes Turn power off and lock out electrical power sources before performing service or maintenance work Do not install in classified hazardous a...

Страница 8: ...s and may require engineering Foundation and support framing must be capable of supporting dead live wind seismic and other applicable loads Consult a qualified engineer for final selection of foundation or support framing Note Collectors with explosion vents are not available in portable configurations Site Selection This collector can be located on a foundation or structural framing Provide clea...

Страница 9: ...ctor s casing Check the Specification Control drawing for weight and dimensions of the collector and components to ensure adequate crane capacity Allow only qualified crane or forklift operators to lift the equipment Refer to applicable OSHA regulations and local codes when using cranes forklifts and other lifting equipment Lift collector and accessories separately and assemble after collector is ...

Страница 10: ...onal not shown tubesheet seal frame filter bag and cage insert dirty air inlet clean air outlet solenoid enclosure top inspection panel blow pipe jet tube lifting lug Typical Installation Collector shown with rear inlet and front outlet Other options include side inlets and outlets and a top outlet to be used with a mounted TBI fan Typical systems include one of several hopper arrangements designe...

Страница 11: ...25 lb Bank Add 150 lb for 72 in legs Includes electrical valves tubing and manifold Example Model DLM 6 4 15 6 banks wide x 4 tiers high 1 Find the number of banks in the first column and follow the row to the 4 Tier column 2 This collectors ships with two upper sections L 3 Hopper and legs ship separate Banks 2 Tier 3 Tier 4 Tier 5 Tier 6 Tier 7 Tier 8 Tier 1 1 A 1 E 1 J 1 E 1 N 1 A 1 S 1 E 1 S 1...

Страница 12: ...on over the hopper and lower slowly 12 Use drift pins to align holes Install bolts loosely until all bolts are in place If the collector has vertical site joints apply sealant as shown before bolting together 13 Install the bolts at the clean air plenum base to hopper flange first 14 Access the tubesheet seal plate joining bolts through the front access doors Take special care with sealant at the ...

Страница 13: ...ide of the bolt pattern Apply generously to prevent leakage Sealant Detail remove and discard after section is installed 2 pieces Sealant Detail top inspection panel removed bolt on external flange stiffener Note the opening is only for the inspection panel and should not be used as an inlet Sealant Detail ...

Страница 14: ...lve bleed type regulator with gauge filter and automatic condensate valve in the compressed air supply line 3 Set compressed air supply pressure to a level suitable for the filters 90 psig The pulse cleaning controls are factory set to clean one or more filters every 10 seconds during a cleaning cycle Compressed Air Installation Turn compressed air supply OFF bleed and lock out lines before perfor...

Страница 15: ...Do not install in classified hazardous atmospheres without an enclosure rated for the application All electrical wiring and connections including electrical grounding should be made in accordance with the National Electric Code NFPA No 70 latest edition Check local ordinances for additional requirements that apply The appropriate wiring schematic and electrical rating must be used See collector s ...

Страница 16: ...e end of the OFF time the timer energizes the corresponding solenoid valve to provide the ON time cleaning pulse for one diaphragm valve and then steps to the next until all filters have been cleaned To pulse when the fan is OFF install a toggle switch as shown on the Solid State Timer Wiring Diagram When the toggle switch is ON the timer receives power and energizes the solenoid valves pulse clea...

Страница 17: ...ed Use wiring diagram provided with unit Wiring by others Wiring by factory L1 L2 2 1 Solid State Timer Typical Wiring Diagram Input 105 135V 50 60Hz 1Ph Output Solenoids The load is carried and turned ON and OFF by the 200 watt maximum load per output solid state switch Pulse ON Time Factory set at 100 milliseconds or 1 10 second Do not adjust pulse ON time unless the proper test equipment is ava...

Страница 18: ... aside 4 Starting on one side of the collector place a helix tube filter in a seal frame slot as shown Helix Tube Filter Installation Be careful to not scrape the filters when slipping them through the seal frame 5 Install a second helix tube filter adjacent to the prior helix tube filter 6 Install a venturi on both adjacent helix tube filters and place a clamp over one end of both venturis Instal...

Страница 19: ...amp hex nut Venturi Installation 7 Repeat to install all helix tubes 8 Replace jet tubes with the open end pressed firmly into its locator and the orifices directed toward the helix tube filter See Helix Tube Filter Detail 8 Reinstall jet tube retainer bars on collectors 4 tiers tall or taller ...

Страница 20: ...st to avoid personal injury 12 Turn the Solid State Timer ON and check that valves operate in the proper sequence by monitoring the LEDs on the front panel 13 Verify operation of interlocks and audible warning system if equipped Instruct all personnel on safe use and maintenance procedures Electrical work during installation service or maintenance must be performed by a qualified electrician and c...

Страница 21: ...necting to the collector s compressed air manifold Operational Checklist 1 Monitor the physical condition of the collector and repair or replace any damaged components Routine inspections will minimize downtime and maintain optimum system performance This is particularly important on continuous duty applications Maintenance Information 2 Periodically check the compressed air components and replace...

Страница 22: ...mps and withdraw the cage and filter bag Remove bag and inspect cage for excess corrosion broken mesh or other damage and replace as necessary Filter Bag Installation 1 Slide the new filter bag over the wire support frame shown in Filter Bag Assembly Slide bag carefully until top of bag is tight against the support frame flange 2 Starting at one side of the collector place a filter bag assembly in...

Страница 23: ... them back in the collector 7 Reinstall jet tube retainer bars HelixTube Filter Removal 1 Open access door and remove jet tube retainer 2 Remove jet tubes and set aside Cover the openings to the diaphragm valves To remove jet tube unbolt the top of the jet tube from the top 3 Remove the hex nuts securing the insert clamps Remove the clamps and set aside 4 Remove venturis and helix tubes Set ventur...

Страница 24: ...t helix tube filters and place a clamp over one end of both venturis Install a nut and tighten using a deep well socket and extension Do not overtighten Maximum recommended torque is 20 ft lb Note Tighten bottom clamp first 4 Repeat to install all helix tubes 5 Replace jet tubes with the open end pressed firmly into its locator and the orifices directed toward the helix tube filter See Jet Tube In...

Страница 25: ...f the fan Location must be clear of all obstructions such as utility lines or roof overhang To avoid personal injury and or damage to equipment ensure fan blowers are properly attached to equipment The use of a damper or variable fan drive VFD is required to control airflow through the collector Lack of a control damper or VFD will shorten filter life The Torit Backward Inclined TBI fan blower can...

Страница 26: ...ir plenum and the low pressure tap is located in the clean air plenum 1 Choose a convenient accessible location on or near the collector for mounting that provides the best visual advantage 2 Plug the pressure ports on the back of the gauge using two 1 8 in NPT pipe plugs supplied Install two 1 8 in NPT male adapters supplied with the gauge into the high and low pressure ports on the side of the g...

Страница 27: ...and low pressure ports Tighten screws 3 On the back of the gauge remove four 6 32 x 5 16 in screws and plastic enclosure Set aside Add two jumper wires supplied by customer Remove the jumper from the pressure switch located on the timer board if equipped Using the 3 4 in conduit opening wire the gauge as shown Reassemble and fasten enclosure securely 4 Thirty five feet of plastic tubing is supplie...

Страница 28: ...gh pressure port low pressure port 1 8 in NPT x 90 male elbow 1 8 in NPT adapter 3 8 in flat washer dirty air plenum 1 8 in NPT adapter 1 8 in NPT x 90 elbow static pressure tee 1 8 in NPT x 90 male elbow 1 8 in NPT adapter 3 8 in flat washer clean air plenum 1 8 in NPT coupling mounting bracket Photohelic Gauge Installation ...

Страница 29: ...ters creating a pressure drop The Delta P Controller measures the pressure drop and provides a visual display in inches water gauge or metric SI collectors of daPa Filter Cleaning When the pressure drop across the filters reaches the High Pressure On setpoint the controller closes an output relay allowing a timer to trigger the cleaning valves sequentially When the controller senses that the press...

Страница 30: ... Delta P Plus Controller offers three filter cleaning options 1 Differential Pressure Cleaning DFF When the pressure drop across the filters reaches the Controller s High Pressure On setpoint the Controller closes an output relay allowing a sequential timer to trigger the cleaning valves When the Controller senses that the pressure drop has decreased to the Low Pressure Off setpoint the relay open...

Страница 31: ... complete collector failure For example if the motor of a screw conveyor that is not interlocked stops the filter housing will gradually fill with dust until completely choked Compressor failure could also cause similar blockage If interlocking electrical components and possible flow interruption is not an option installing an alarm system can help prevent sudden system failure Use zero speed swit...

Страница 32: ... the venting of an explosion must be safely directed outdoors away from areas occupied by personnel to reduce risk of personal injury and or property damage The risk of personal injury and or property damage can be minimized or avoided by locating vented equipment outside buildings and away from normally occupied areas Explosion vents should be inspected regularly to confirm physical and operation...

Страница 33: ...s Incorrect manifold pressure Check pulse pressure at manifold See Rating and Specifications in this manual Excess moisture in the compressed air supply Check that the compressed air supply is oil and moisture free No pulse to diaphragm valves Check the solenoid and diaphragm valves by feeling the rubber hose for pulse Feel the vent opening on the solenoid valve for pulse If all valves are affecte...

Страница 34: ...r is not full and that the equipment served is operating Turn fan OFF and allow the controller to perform several complete cleaning cycles Remove each filter bag vacuum outside surfaces and reinstall Replace damaged or torn filters Obstructed ductwork Check and remove obstructions Clean air outlet discharging dust Filter bags not installed correctly See Filter Bag Replacement Torn or damaged filte...

Страница 35: ......

Страница 36: ...ers including electric motors fans and control components After Donaldson has been given adequate opportunity to remedy any defects in material or workmanship Donaldson retains the sole option to accept return of the goods with freight paid by the purchaser and to refund the purchase price for the goods after confirming the goods are returned undamaged and in usable condition Such a refund will be...

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Donaldson Torit Dalamatic Cased DLMC 1/2/15, Инструкция по установке и эксплуатации

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