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Donaldson Company, Inc.

Process owners/operators have important responsibilities relating to combustible hazards.  

Process owners/operators must determine whether their process creates combustible dust, 

fume, or mist.  If combustible dust, fume, or mist is generated, process owners/operators should at a 

minimum:
 

Comply with all applicable codes and standards.  Among other considerations, current NFPA standards 

require owners/operators whose processes involve potentially combustible materials to have a current 

Hazard Analysis, which can serve as the foundation for their process hazard mitigation strategies.

 

Prevent all ignition sources from entering any dust collection equipment. 

 

Design, select, and implement fire and explosion mitigation, suppression, and isolation strategies that 

are appropriate for the risks associated with their application. 

 

Develop and implement maintenance work practices to maintain a safe operating environment, ensuring 

that combustible dust, fume, or mist does not accumulate within the plant.

Donaldson recommends process owners/operators consult with experts to insure each of these 

responsibilities are met. 
As a manufacturer and supplier of Industrial Filtration Products, Donaldson can assist process owners/

operators in the selection of filtration technologies. However, process owners/operators retain all 

responsibility for the suitability of fire and explosion hazard mitigation, suppression, and isolation strategies.  

Donaldson 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 all collection equipment is 

properly selected and sized for the intended use.
DO NOT operate this equipment until you have read and understand the instruction warnings in the 

Installation and Operations Manual.  For a replacement manual, contact Donaldson Torit.

This manual contains specific precautionary statements relative to worker safety.  Read thoroughly and comply 
as directed.  Discuss the use and application of this equipment with a Donaldson Torit representative. Instruct all 
personnel on safe use and maintenance procedures.

Summary of Contents for Delta P Plus

Page 1: ...roperty of the owner Leave with the unit when set up and start up are complete Donaldson Company reserves the right to change design and specifications without prior notice Illustrations are for refer...

Page 2: ...ach of these responsibilities are met As a manufacturer and supplier of Industrial Filtration Products Donaldson can assist process owners operators in the selection of filtration technologies However...

Page 3: ..._______ Other_________________________________________________________________________________ DANGER indicates a hazardous situation which if not avoided will result in death or serious injury WARNIN...

Page 4: ...taining the differential pressure drop in a specified range then initiating a down time cleaning cycle when the differential pressure drop approaches zero The downtime cleaning function can be toggled...

Page 5: ...al and local codes Turn power off and lock out electrical power sources before performing service or maintenance work Do not install in classified hazardous atmospheres without an enclosure rated for...

Page 6: ...e differential pressure drop value used to start the pulse cleaning cycle 4 0 w g is a typical initial value 3 Press the MENU key three times AL appears Press the set key and the current value appears...

Page 7: ...e set as the High Set Point Hi before the downtime feature is enabled P 10 Downtime Cleaning Time 1 999 10 Minutes The amount of time the downtime cleaning will continue once the time set in P 9 expir...

Page 8: ...th a short length of tubing 3 Use the Menu key to select PAS 4 Press SET then use the arrow keys to display 4 press SET again 5 Press the MENU key repeatedly until you reach P 14 6 Press SET then use...

Page 9: ...Delta P Plus Control 6 high pressure port low pressure port clean air plenum dirty air plenum Delta P Plus Control Installation...

Page 10: ...switch Closing the switch turns the alarm OFF Internal Alarm Disable J5 To disable the alarm internally remove the jumper on MODE Jumper Block J5 located on the lower right quadrant of the circuit boa...

Page 11: ...R31 R32 R25 R39 R29 R21 R22 R23 C11 C12 TB2 3 2 1 J1 in mm L1 L2 1 2 TB1 115 230 V input W1 W2 W3 115V 230V 115V UP DOWN CP4 CP5 CP2 U4 U8 C15 high Alarm C5 R34 R16 R15 R19 R14 Cleaning Alarm CP3 U3 C...

Page 12: ...the pressure switch on the timer board to Terminals 7 and 8 on TB3 Faulty relay Using a multimeter test relay for proper closure Replace if necessary Pressure tubing disconnected ruptured or plugged...

Page 13: ...mer board s LED display If not illuminated check the supply voltage to the timer board Check the fuse on the timer board Replace if necessary Timer board defective If LEd is iluminated observe the out...

Page 14: ...reset 3 4 5 6 R26 R28 R31 R32 R25 R39 R29 R21 R22 R23 C11 C12 TB2 3 2 1 J1 in mm L1 L2 1 2 TB1 115 230 V input W1 W2 W3 115V 230V 115V UP DOWN CP4 CP5 CP2 U4 U8 C15 high Alarm C5 R34 R16 R15 R19 R14...

Page 15: ......

Page 16: ...to corrosion abrasion normal wear and tear product modification or product misapplication Donaldson also makes no warranty whatsoever as to any goods manufactured or supplied by others including elec...

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