Donaldson Downflo Evolution DFE 2-12 Installation, Operation And Maintenance Manual Download Page 27 | Manualshive

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Installation, Operation and Maintenance manual

27

Downflo

®

Evolution

Figure 15: High flow inlet plenum

Extended Dirty-Air Plenum

The extended dirty-air plenum is used in applications requiring an air management

module or when a single inlet serves multiple modules.
The extended dirty-air plenum is supplied with standard service access panels on the

sides and top of the plenum.
The top access panel is available with and without an explosion vent.

Figure 16: Extended Dirty-Air plenum

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Summary of Contents for Downflo Evolution DFE 2-12

Page 1: ...Downflo Evolution Dust Collectors INSTALLATION OPERATION AND MAINTENANCE MANUAL DOC AM04643 01 rev 02 1118 ENGLISH MASTER VERSION...

Page 2: ...ation 17 Field joining installation 20 Yoke venturi and filter installation 22 Platforms and ladders 23 Control box 24 Compressed air connection 24 Electrical connection 25 Solenoid valves 25 Inlet pl...

Page 3: ...oining Detail C 22 Figure 11 Stationary platform 23 Figure 12 Inline filter view 24 Figure 13 Compressed air and component installation 25 Figure 14 Inlet plenum 26 Figure 15 High flow inlet plenum 27...

Page 4: ...ns set out in the operation manual Any functional disorders especially those affecting safety should therefore be rectified immediately Ensure proper training is given to operators before start up The...

Page 5: ...of Donaldson Torit dust collectors should Take every possible precaution to prevent a fire or explosion from occurring Consult with their insurance carrier or local authorities regarding the hazardou...

Page 6: ...fety design of the collection system it s safety can be jeopardised However poor and or incorrect maintenance can also jeopardise the safety of the system b Hazards due to change of dust collector des...

Page 7: ...t collector The filter cartridge porthole or another part of the housing access cover is not fixed correctly and may tear up during an explosion causing a flame jet or fireball Retrofitting metal duct...

Page 8: ...it as in the original state Keep the working place clean For any changes in the dust collector safety system process product or dust collector location consult the manufacturer h Applications having a...

Page 9: ...ute The spark trap does not guarantee complete elimination of sparks and does not preclude the possibility of fire or explosion Therefore system redundancy and complementary measures should be taken i...

Page 10: ...our dust is always below the maximum Kst value defined for your dust collector type Technical and field support are available fromyour local Donaldson Torit representative or distributors to answer yo...

Page 11: ...cting parts are grounded or bonded and connected to ground Internal coatings do not cause static hazards etc However these measures do not prevent ignition sources due to the process or outside influe...

Page 12: ...of your dust to be collected has to be considerably lower in case of using vent ducts There also should be taken into account that due to the venting explosion the dust collector is subjected to a rea...

Page 13: ...renches etc drill pipe sealant Delivery and inspection The dust collector is normally shipped by truck and should be checked for any damage that may have occurred during shipping Note that the burstin...

Page 14: ...move all packing and strapping A crane is recommended for the unloading transport and installation of the dust collector Connect lifting sling to the lifting lugs with clevis pins and distribute loads...

Page 15: ...oving crane 6 Apply sealant to hopper flange 7 Lift unit over leg and hopper assembly and lower slowly 8 Secure with bolts washers and nuts supplied 9 Apply sealant around inlet opening 10 Lift inlet...

Page 16: ...valve OUTSIDE INSIDE CAP outlet DAP inlet dust collector blow off channel roof Figure 3 Inside installation Installation and assembly Anchor the dust collector to the foundations If any of the followi...

Page 17: ...n the holes in the cross bracing on the rear side of the leg set 4 Recheck the position of the legs and cross bracing against figures Leg Bolting Details and Standard Leg Packs and the drawing 5 Join...

Page 18: ...il D detail C detail E yoke filter cartridge panel thread forming screw gasket washer flat washer flat washer thread forming screw hex nut hex jam nut clean air plenum sealant detail outlet cover yoke...

Page 19: ...s should match the number of holes provided in the base plates 10 Anchor diameter is typically 3 mm less than basebplate hole diameter 11 Corrosive environment or outdoor installation may require stai...

Page 20: ...one side of the joint Follow the sealant pattern exactly as it is shown in Figure Field Joining Installation 4 Lift both units with cranes into position for joining Align the bolt holes in the flanges...

Page 21: ...ion filter access cover see Figure 10 Yoke venturi and filter installation clean air plenum Figure 8 Field joining Detail A 7 Bolt the modules together using bolts washers and nuts as shown in Details...

Page 22: ...oles in the tube sheet From the filter section have one person hold the yoke in position while another person installs a flat washer and hex nut on each yoke rod end from the clean air plenum Do not t...

Page 23: ...ation and assembly instructions are shipped with the platform Dropping the platform can result in personal injury and or property damage Secure the platform assembly to the crane or forklift with stra...

Page 24: ...ecaution is taken to avoid exceeding this pressure A relief safety valve is required if the connected supply can exceed this pressure A label is also attached to each manifold indicating manifold desi...

Page 25: ...nameplate ratings of the fan motor Over amperage of manufacturer s recommended service of motor will cause damage If the fan is not premounted connect the fan motor to the control box according wirin...

Page 26: ...sealant from opening 2 Apply sealant around the opening toward the inside edge of the bolt pattern 3 Align the holes on the inlet collar with the holes in the unit and secure using bolts and flat wash...

Page 27: ...irty air plenum is used in applications requiring an air management module or when a single inlet serves multiple modules The extended dirty air plenum is supplied with standard service access panels...

Page 28: ...n place a large quantity of water in the dust collector when activated Provide adequate drainage to remove water Excess water weight can cause the leg structure to collapse Fire control sprinklers are...

Page 29: ...VENTING SIDE VENTING Figure 19 Bursting panel location 1 Remove protective shipping cover from top of collector underneath is the explosion panel positioned upside down 2 Inspect the panel and ensure...

Page 30: ...cable and place into position The signalling unit including cable loop must be integrated into the threaded cable connected in such way that the loop is matching the other side of the explosion panel...

Page 31: ...tion and Maintenance manual 31 Downflo Evolution vent panel angular frame signal cable signal cable thread nut cable loop thread angular frame signal cable cable loop Figure 21 Bursting panel and indi...

Page 32: ...he burst indicator is a very sensitive device it is recommended to use always a isolation amplifier this gives the best guarantee forTROUBLE FREE electrical functioning of the indicator Typical wiring...

Page 33: ...tral fire dispatching damper valve actuator if required Explosion panel detection device Explosion panel detection device 1 2 Figure 23 Typical wiring diagram hazardous area Dust outlet connection Whe...

Page 34: ...Installation Operation and Maintenance manual 34 Downflo Evolution hopper bolt washer nut M10 bolt washer nut M10 gasket gasket rotary airlock transition piece Figure 24 Dust outlet connection...

Page 35: ...t be checked The system must always be operating when the dust collector is operating Too much airflow can cause electrical failure of the fan motor or dramatically reduce the life of the filter cartr...

Page 36: ...on the control box see separate manual Interval time normally to be set at 10 seconds Pulse time 100 milliseconds 6 Filter regulator Oil and or water is in the reservoir Switch off and bleed compresse...

Page 37: ...anged at the same time Dust laden filters may be heavy and difficult to handle Provide appropriate means of access to replace filter cartridges safely in case no platform is installed Generally filter...

Page 38: ...shape and yoke work together to ensure proper filter alignment during filter installation To assist with alignment an alignment mark at the top of the filter endcap non gasketed end must match with t...

Page 39: ...Installation Operation and Maintenance manual 39 Downflo Evolution access cover cover knob yoke filter cartridge alignment marker alignment marker Figure 25 Exchanging filter cartridge...

Page 40: ...rts Lubricate all gaskets and o rings with high quality silicone grease 1 Replace piston diaphragm assembly Locate bleedhole in piston diaphragm opposite to the valve inlet for the best performance 2...

Page 41: ...allation Hopper discharge open Check that dust container is installed and properly sealed Damper control not adjusted properly Check airflow in duct Adjust damper control until proper airflow is achie...

Page 42: ...ubing are damaged replace Solid State timer failure Using a voltmeter check supply voltage to the timer board Check and replace the fuse on the timer board if necessary If the fuse is good and input p...

Page 43: ...ose connections Delta P arrow keys to not work Improper operation Press and hold one of the three setpoint keys to use arrow keys Programming keys disabled Remove the Program Disable jumper from Termi...

Page 44: ...onditions set out in the Order Acknowledgment or relevant Scope of Delivery Failure to do so may compromise product reliability warranty and safety 5 Other items of equipment not supplied under the Sc...

Page 45: ...r for the given dust explosion characteristics and collector arrangement as set out in the Scope of Delivery You should ensure that explosions are not allowed to propagate into the dust collector usin...

Page 46: ...may be necessary to provide a facility to shut down the equipment in the event of an explosion where collectors are fitted with explosion relief panels The signal should be taken from the bursting pan...

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