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DFOI

 

 

Problem 

Probable Cause 

Remedy 

Insufficient airflow 

Fan wheel rotating wrong 
way 

Check fan rotation. Refer to rotation sticker 
on fan housing. 

 

Openings not properly 
sealed 

Check doors, that they are closed and 
tightened securely. Also check hopper area 
that openings are closed off and that the 
hopper dust disposal is installed. 

 

Outlet is restricted 

Check outlet for blockage. Remove 
material or debris that is blocking the outlet. 

 

Filter elements plugged : 

a. Lack of compressed air 

b. Pulse cleaning not 
energized 

c. Dust disposal system is 

too full or plugged 

d. Hopper full of dust or 

plugged 

e. Filter elements need to be 

replaced 

 

Check compressed air supply for under 6 
bar. 

Refer to the trouble shooting guide from the 
Control manual. 

Clean out dust disposal system.. 

 

Clean out the hopper. 

 

Replace the filter elements 

 

Solenoid valves/diaphragm 
valves are not functioning: 

a. Solenoid 

valves/diaphragm valves 
are leaking compressed 
air 

 

b. Pulse control printed 

circuit board has failed or 
is out of adjustment 

 

Check for debris, obstruction, valve wear or 
diaphragm failure by removing the 
diaphragm cover on the solenoid valves. 
Also check for solenoid leakage damage. If 
diaphragm valves or solenoid valves are 
damaged replace it or replace damaged 
part(s). 

Refer to Operating manual of the Controls. 

Excessive noise of a 
diaphragm valve 

Failure on the diaphragm 
valve 

Check for debris, obstruction, valve wear or 
failure by removing the diaphragm cover. If 
the diaphragm valve is damaged, replace it 
or replace damaged part(s). 

 

 

 

 

 

 

 

11

 

Содержание DFOI3

Страница 1: ...d equipment failure are referenced in a Note Statements indicating potential hazards that could result in personal injury or property damage are referenced in a CAUTION box Donaldson Company reserves...

Страница 2: ...sent consult with an installer of fire extinguishing systems familiar with these types of fire hazards and local fire codes for recommendations and installation of fire extinguishing and explosion pro...

Страница 3: ...Date __________________________ Customer Name________________________________________________________________ Address _______________________________________________________________________ __________...

Страница 4: ...ters Co Ltd DFOI4 DFOI6 DFOI3 Figure 1 Schematic 1 Lift bar 2 Filter access cover 3 Dust drawer 4 Control panel 5 Access door 6 Inlet 7 Access hole 8 Damper 9 Cable gland 10 Compressor connector 11 Ex...

Страница 5: ...erational Schematic Operation Filter element cleaning 4 Clean air outlet 5 Manifold 6 Diaphragm valve with built on solenoid valve 7 Tube sheet 8 Air pulse 9 Dust falling 1 Dirty air inlet 2 Filter el...

Страница 6: ...r through the filter elements from the inside outwards removing the collected dust from the outside surface of the filter elements The dust falls through the hopper into the dust disposal system 2 0 I...

Страница 7: ...re starting Make sure the dust disposal system is properly installed under the hopper With new filter elements the airflow should be adjusted to the nominal value by closing the damper valve Check if...

Страница 8: ...over on the spark trap 4 2 Replacing of Filter Elements Caution When the airflow is low or the differential pressure is too high and alarm must change the filter elements After operating more than 200...

Страница 9: ...supply towards human body or equipment will cause serious injury shut off and bleed compressed air supply before servicing any compressed air components Automatically cut off of system power indicates...

Страница 10: ...roperly Check airflow in ducting for proper requirements Adjust the damper valve until the proper airflow is achieved Do not attempt to run without inlet ducting attached Electrical circuit fuses Chec...

Страница 11: ...for under 6 bar Refer to the trouble shooting guide from the Control manual Clean out dust disposal system Clean out the hopper Replace the filter elements Solenoid valves diaphragm valves are not fu...

Страница 12: ...ta P C01 controller on the panel and the control panel can also provide down time cleaning Fan motor overload protection and overload indication ALARM 6 2 Operation Ensure that the control panel is co...

Страница 13: ...e fan motor will be powered up when push the button the green indication light will go off and the fan motor dis energized When the selection switch is set at position the cleaning will process contin...

Страница 14: ...Donaldson Wuxi Filters Co Ltd Figure 7 Electrical Terminal Block 14...

Страница 15: ...DFOI Figure 8 Wiring Diagram 15...

Страница 16: ...75492 03W 3 Diaphragm valve 8PP AG81138 02 4 Diaphragm valve repair kit 8PP AG81139 01 5 Solenoid valve RCA3PV 203 6 Access cover 3EA AD33387 01 7 Gasket for inspection door 8PP 36553 00 7 0 Spare Pa...

Страница 17: ...This Page Intentionally Left Blank...

Страница 18: ...e for the goods after confirming the goods are returned undamaged and in usable condition Such a refund will be in the full extent of Donaldson s liability Donaldson shall not be liable for any other...

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