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Downflo Oval, DFO 2-4 and 3-6

 10

compressed-air

supply line*

automatic

condensate 

valve*

bleed-type

air filter*

regulator*

air supply

to manifold*

solenoid

electrical

connection*

manifold

solenoid

enclosure

diaphragm valve

hopper

blower fan

Magnehelic

gauge*

120-Volt blower

motor starter*

solid-state

timer

safety 

exhaust

valve*

Notes:  1.  * Not included with standard unit.

 

2.  Sprinkler taps not shown.

power supply 

disconnect 

switch*

Compressed Air and Component  Installation

Содержание DFO 2-4

Страница 1: ...2...

Страница 2: ...bility 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 op...

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Страница 4: ...rsatility of the unit standard options include top front and abrasion resistant inlets HEPA and ASHRAE afterfilter packs Checker board control panel and various dust removal options Purpose and Intend...

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Страница 6: ...ng system diaphragm valve compressed air supply hopper Filter Cleaning Operation dirty air inlet clean air outlet clean air outlet filter cartridges clean air plenum Normal Operation dirty air inlet o...

Страница 7: ...the unit will compromise unit performance Inspect unit to ensure all hardware is properly installed and tight prior to operating collector Installation Site suitability must account for wind seismic...

Страница 8: ...e capacity Allow only qualified crane operators to lift the equipment Refer to applicable OSHA regulations and local codes when using cranes forklifts and other lifting equipment Lift unit and accesso...

Страница 9: ...binet 2 Apply sealant to hopper flange 3 Fasten hopper to cabinet 4 Assemble legs and cross braces 5 Lift unit and hopper into position over legs and lower slowly 6 Fasten legs to unit securely 7 Lift...

Страница 10: ...hopper following these instructions 1 Stand the hopper on the discharge end 2 Apply 1 4 in diameter rope type sealant around the top flange toward the inside edge of the bolt pattern 3 Lift the colle...

Страница 11: ...abinet and hopper assembly into position over the legs and lower slowly 3 Use drift pins to align the holes in the collector with the holes in the legs Attach each leg as shown using the hardware supp...

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Страница 13: ...o manifold solenoid electrical connection manifold solenoid enclosure diaphragm valve hopper blower fan Magnehelic gauge 120 Volt blower motor starter solid state timer safety exhaust valve Notes 1 No...

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Страница 16: ...upply Turn electrical power OFF at source and switch any two leads on the motor junction box Do not interchange a power lead with the ground wire Severe damage or personal injury may result 3 All acce...

Страница 17: ...Downflo Oval DFO 2 4 and 3 6 14 This Page Intentionally Left Blank...

Страница 18: ...lications Periodically check the compressed air components and replace compressed air filters Drain moisture following the manufacturer s instructions With the compressed air supply ON check the clean...

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Страница 20: ...pinching Check that access covers are seated and seal properly Gaskets must be compressed to ensure an airtight seal 3 Turn electrical power and compressed air supply ON before starting unit Dust Dis...

Страница 21: ...Downflo Oval DFO 2 4 and 3 6 18 This Page Intentionally Left Blank...

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Страница 25: ...a forklift or pallet jack If a pallet is used the length of flexible hose may need to be shortened 1 Place 1 4 in diameter rope type sealant between the hopper flange and the drum cover mounting flang...

Страница 26: ...cludes a 5 gallon pail and provides easy access for dust removal and storage 1 Apply sealant to the hopper flange or the pail cover mounting plate flange toward the inside edge of the bolt pattern 2 F...

Страница 27: ...in the clean air plenum 1 Choose a convenient accessible location on or near the unit for mounting that provides the best visual advantage 2 Plug the pressure ports on the back of the gauge using two...

Страница 28: ...in the right hand side of the mounting bracket 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 Re...

Страница 29: ...n 1 8 in NPT male adapter NPT male adapter static pressure tee dirty air plenum pressure tap location 1 8 in NPT male adapter plastic tubing two 1 8 in NPT adapters low pressure port high pressure por...

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Страница 31: ...Drop Off and Alarm The first two High Pressure Drop On and Low Pressure Drop Off control the filter cleaning system The third Alarm provides a relay output to activate an external alarm supplied by o...

Страница 32: ...ling screws supplied 5 Loosen the wing nut on the damper and adjust from 30 to 50 closed Backward Inclined 1 Apply sealant around the inside edge of the bolt pattern on the power pack outlet 2 Fasten...

Страница 33: ...omponents as described in Power Pack Assembly on Page 12 6 Attach the plenum silencer to the base using self threading bolts with washers 7 Route rigid or flexible conduit from the junction box on the...

Страница 34: ...g align bolt holes and fasten securely in place using hardware supplied with the power pack 5 Assemble the remaining power pack components as described in Power Pack 6 Apply sealant to the inside peri...

Страница 35: ...sion Resistant Inlet Collar 1 Remove the unit s front cover plate Remove excess sealant from opening 2 Apply 1 4 in sealant around the opening toward the inside edge of the bolt pattern 3 Align the ho...

Страница 36: ...to deliver heat to the large pulse valves This kit is customer installed and detailed installation instructions are provided 1 Install the power connection kit on the heat cable following the manufac...

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Страница 38: ...operly Check airflow in duct Adjust damper control until proper airflow is achieved and the blower motor s amp draw is within the manufacturer s rated amps Electrical circuit overload Check that the p...

Страница 39: ...d input power is present but output voltage to the solenoid is not replace the timer board See Solid State Timer Installation Solid State timer out of adjustment See Solid State Timer and Solid State...

Страница 40: ...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 Terminals 3 and 4 on TB2 Cleaning...

Страница 41: ...Downflo Oval DFO 2 4 and 3 6 38 Service Notes Date Service Performed Notes...

Страница 42: ...39 Donaldson Company Inc Service Notes Date Service Performed Notes...

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Страница 44: ...se The terms of this warranty may be modi ed only by a special warranty document signed by a Director General Manager or Vice President of Donaldson Failure to use genuine Donaldson replacement parts...

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