AIR SYSTEMS SVB-E8 Manuale utente

AIRSYSTEMSINTERNATIONAL,INC.

829JuniperCrescent,Chesapeake,Va.,23320

Telephone (757) 424-3967

Toll Free 1-800-866-8100

Fax No. (757) 424-5348

http://www.airsystems.com

e-mail: [email protected] Printed in U.S.A

Operating Manual

Manual de instrucciones

Manuel d’utilisation

Models/Modelos/Modéles

SVB-E8, SVB-E8-2, SVB-E8EC, SVB-E8EXP,

SVB-A8,SVB-G8,SVB-G8P,SVB-E8CUP,SVB-E8SCUP,

SVB-E82CUP,SVB-G8CUP,SVB-A8CUP,&

SVB-E8XCUP

Manual No. BLWR001

(Rev 4 April 2010)

-2-

Table of Contents

SAFETYPRECAUTIONS..........................................................................................................................................3

SADDLEVENT®VENTILATION SETUP..............................................................................................................3

MODELS SVB-E8, SVB-E8-2, & SVB-E8EC.....................................................................................................4-5

MODEL SVB-E8EXP.............................................................................................................................................6-7

MODEL SVB-A8..................................................................................................................................................8-11

MODELS SVB-G8 & SVB-G8P........................................................................................................................12-14

ESTIMATING PURGE TIMES.............................................................................................................................15

WARRANTY DISCLAIMER.................................................................................................................................42

-3-

This series of portable ventilation blowers has been designed for industrial heavy duty

applications in confined space ventilation. These blowers are the primary tool for providing

fresh clean ventilation air to remote work locations. Each work environment should be

thoroughly evaluated by a competent person before selecting the proper blower for a par-

ticularapplication.

SAFETYPRECAUTIONS:

READANDFOLLOWALLINSTRUCTIONS

Allventilation proceduresshouldcomplywithfederal,state,and localregulations. Airqualityshouldbe

testedpriorto ventilatingaconfinedspace. Apurgechartis providedontheventilation equipmenttohelp assist

inestimating theapproximatetime neededtoventilateconfinedspaces. Airqualityshouldbe testedcontinuously

duringconfinedspaceoccupancy to ensureastableatmosphereand worker safetybecauseatmosphericcondi-

tionscanchangerapidly. Additionalproceduresandrecommendations areavailablefromfederal, state,andlocal

agencies. DONOToperatethese blowerunits with theflangeorgrillsremoved. DONOTUSE STAN-

DARDELECTRIC,GASOLINE,ORPROPANE BLOWERS IFVOLATILEOR EXPLOSIVEVA-

PORSARESUSPECTED!

-4-

GENERAL SETUP & OPERATION, ELECTRIC BLOWER SERIES

MODELS SVB-E8, SVB-E8-2, & SVB-E8EC

STEP1)

Place blower in a clean fresh air environment. Set blower a minimum of 5 ft. from the

manhole opening. Note: Inspect blower for damaged or worn parts. Inspect all ducting

and couplings for possible air leaks prior to blower operation.

Note: Air quality of the confined space should be tested prior to ventilation. If air

qualityof the confined space is unacceptable, consult a trained professional.

STEP2)

Installductcuff toexhaustflangeand tightencinchstrap. Keepbends andkinksinducting toa

minimumtomaximizeairflow.

STEP3)

Connectto120VAC, 15 amp, 60Hz dedicated service. All standard electric blowers listed are

suppliedwithGFI plug (GroundFaultInterrupters)perthe 1996NECcoderequirement: Section

305-6.

Note: If an extension cord is required, the minimum recommended size is 12 AWG

(Maximum 100 ft.). For further information, refer to the National Electric Code Tables,

Article 400. (The use of generators are not recommended unless they are of sufficient

output capacity. Some generator’s output current will not allow the use of GFI plugs. A

standard 3-prong plug would need to be installed instead of the GFI recepticle).

STEP 4) Push “on/off” (reset) switch, located on the GFI unit, to the “on” position. The

unitisnowoperational.

SHUTDOWN

• Insurethatallworkers are removedfromthe confinedspacesite.

• Shutoff blowerandremoveallducting.

MAINTENANCE

• Keep blower motor dry and free from contaminants and dust.

• Check periodically to ensure moving parts are free from obstructions.

TROUBLESHOOTING

PROBLEM POSSIBLE CAUSE SOLUTION

Excessive vibration Air intake blocked Turn blower off and clear debris from intake

Possible internal damage Turn blower off and inspect fan blades, shaft, and

housin

for debris

dama

and loose screws.

Possible external dama

eTurn fan off and ins

ect blower housin

Blower will not start Circuit breaker tri

s Watta

e out

ut of

ower source insufficient*

Extension cord im

erl

size

Fault

wall outlet Test volta

e with mete

*Note: The use of

enerators are not recommended unless the

are of sufficient out

ut ca

acit

-5-

MODEL SVB-E8 - Single Speed Electric Blower

SPECIFICATIONS

MODEL SVB-E8 - 2 Speed Electric Blower

MODEL SVB-E8EC - Economy Electric Blower

SPECIFICATIONS

MOTOR TYPE 3/4 HP (.56 kw) Electric, 115 VAC/60Hz, Single Speed,

GFI Cord Installed

FULL LOAD

AMPERAGE 11.2 Amps

FLOW RATE Free Air:1570 cfm

25 ft. Duct withOne 90 degree bend:1047cfm

INLET/ OUTLET

SIZE 8" Diameter (203 mm)

WEIGHT 53 lbs.

NOISE LEVEL 76 dbA @ 3 ft.

MOTOR TYPE 1/2 HP (.37 kw) Electric, 115 VAC/60Hz, Single Speed,

GFI Cord Installed

FULL LOAD

AMPERAGE 7.9 Amps

FLOW RATES Free Air: 1390 cfm

25 ft. Duct with One 90 degree bend: 973 cfm

INLET/ OUTLET

SIZE 8" Diameter (203 mm)

WEIGHT 37 lbs.

NOISE LEVEL 76dbA @ 3 ft.

MOTOR TYPE 3/4 HP (.56 kw) Electric, 115 VAC/60Hz, DualSpeed,

GFI Cord Installed

FULL LOAD

AMPERAGE 11.5 Amps

FLOW RATES Free Air: 750 Low/1570 High

25 ft. Duct withOne 90 degree bend:490 Low/1047 High

INLET/ OUTLET

SIZE 8" Diameter (203 mm)

WEIGHT 58 lbs.

NOISE LEVEL 76dbA @ 3 ft. High

ITEM # DESCRIPTION PART #

1 SINGLE SPEED MOTOR MTR002

2 GFI POWER CORD ELCB013

3 INTAKE/DISCHARGE GUARD SVB-DGRD

4 RUBBER FOOT HDWR025

5 WHEEL HOUSING SVB-WH

6* BLOWER WHEEL METL039

* LOCATED INSIDE WHEEL HOUSING

ITEM # DESCRIPTION PART #

1 2 - SPEED MOTOR MTR021

2 GFI POWER CORD ELCB013

3 INTAKE/DISCHARGE GUARD SVB-DGRD

4 RUBBER FOOT HDWR025

5 WHEEL HOUSING SVB-WH

6* BLOWER WHEEL METL039

* LOCATED INSIDE WHEEL HOUSING

ITEM # DESCRIPTION PART #

1 SINGLE SPEED MOTOR MTR040

2 GFI POWER CORD ELCB013

3 INTAKE/DISCHARGE GUARD SVB-DGRD

4 RUBBER FOOT HDWR025

5 WHEEL HOUSING SVB-WH

6* BLOWER WHEEL METL039

* LOCATED INSIDE WHEEL HOUSING

-6-

GENERAL SETUP & OPERATION, EXPLOSION-PROOF ELECTRIC BLOWER

MODEL SVB-E8EXP

STEP1)

Place blower in a clean fresh air environment. Set blower a minimum of 5 ft. from the

manhole opening. Note: Inspect blower for damaged or worn parts. Inspect all ducting

and couplings for possible air leaks prior to blower operation.

CAUTION:

Air quality of the confined space should be tested prior to ventilation. If air quality of the

confined space is unacceptable, consult a trained professional.

STEP 2)

Install duct cuff to exhaust flange and tighten cinch strap. Keep bends and kinks in ducting

to a minimum to maximize air flow. THE USE OF CONDUCTIVE DUCTING IS REC-

OMMENDED WHEN OPERATING IN POTENTIALLY EXPLOSIVE ENVIRON-

MENTS.

STEP3)

Explosion-proofmodelsshouldbe fitted with anapprovedexplosion-proof plugtomeet Class I, Div.I,Groups C and D,

ClassII,Div. I, Groups E,F,Gspecifications. Theplugshould not be disconnectedorconnectedin an explosive environ-

mentwhen theblowerisenergized.

STEP 4) Switch the explosion-proof “on/off” switch to the “on” position. The unit is now operational.

SHUTDOWN

• Insure that all workers are removed from the confined space site.

• Shut off blower and remove all ducting.

MAINTENANCE

• Keep blower motor dry and free from contaminants and dust.

• Check periodically to ensure moving parts are free from obstructions.

CAUTION:

Ifexplosiveor volatilevaporsaresuspected or present,follow

ANSI/APIprocedure2015and2016forpropergroundingof

theblower. Allstaticelectricitymustberemovedfromthe

blowerandattachedductingpriortoenergizingtheblower.

Conductive ducting should be tested semi-annually to assure

resistance(ohms)does not exceed300k. Ifsufficientresistance

isnotachieved, theductshouldbe removed fromservice.

ASSURETHATTHE BLOWER IS PROPERLY

GROUNDEDBEFORE OPERATINGANDTHATTHE

GROUNDINGWIRE,INTHE CONDUCTIVE DUCTING

ISATTACHEDTOTHE BLOWERANDSADDLE

VENT®,IFUSED.

Groundinglug

provided for

ground wire

attachment from

conductive duct.

-7-

MODEL SVB-E8EXP- Explosion-Proof Electric Blower

SPECIFICATIONS

TROUBLESHOOTING

WARNING:

FOR HAZARDOUS ENVIRONMENTS, ALWAYS USE AIR SYSTEMS’ MODEL SV-CUPCND

CONDUCTIVE SADDLE VENT® VENTILATION KIT WITH AN EXPLOSION-PROOF

OR PNEUMATIC BLOWER.

MOTOR TYPE 3/4 HP (.56 kw) Electric, 115 VAC/60Hz, factory wired

with 25ft. Cord, no plug, explosion-proofClass I, Div 1,

Groups C and D, Class II, Div. 1, Groups E,F,G

FULL LOAD

AMPERAGE 12.6 Amps

FLOW RATES Free Air: 1570 cfm

25 ft. Duct with One 90 degree bend:1047cfm

INLET/ OUTLET

SIZE 8"Diameter (203 mm)

WEIGHT 68 lbs.

SWITCH TYPE Explosion-proof

NOISE LEVEL 76dbA @ 3 ft.

PROBLEM POSSIBLE CAUSE SOLUTION

Excessive vibration Air intake blocked Turn blower off and clear debris from intake

Possible internal damage Turn blower off and inspect fan blades, shaft, and

housin

for debris

dama

and loose screws.

Possible external dama

eTurn fan off and ins

ect blower housin

Blower will not start Circuit breaker tri

s Watta

e out

ut of

ower source insufficient*

Extension cord im

erl

sized

Fault

wall outlet Test volta

e with meter

*Note: The use of

enerators are not recommended unless the

are of sufficient out

ut ca

acit

ITEM # DESCRIPTION PART #

1 EXPLOSION PROOF MOTOR MTR003

2 EXPLOSION PROOF ON/OFF SWITCH ELSW028

3 INTAKE/DISCHARGE GUARD - CONDUCTIVE SVB-DGRDCN

4 RUBBER FOOT HDWR025

5 WHEEL HOUSING - CONDUCTIVE SVB-WH-CND

6 POWER CORD ELCB011-25

7* BLOWER WHEEL (SET SCREWS - FS5/16X038) METL039

8 GROUND LUG ELA051

* LOCATED INSIDE WHEEL HOUSING

-8-

STEP1)

Operateblowerin verticalpositiononly. Placein acleanfresh airenvironmentaway fromtoxic

gasesanddust. Setbloweraminimumof5ft.fromthemanholeopening. Note: Inspectblower

for damaged or worn parts. Inspect all ducting and couplings for possible air leaks prior

to blower operation.

Note: Air quality of the confined space should be tested prior to ventilation. If air qual-

ity of the confined space is unacceptable, consult a trained professional.

GENERAL SETUP & OPERATION, PNEUMATIC BLOWER

MODEL SVB-A8

STEP2)

Attachand tightenthefilter/regulatorandlubricator assembly. Makesureoillevel inthelubricator

isatthefullmark(approximately3/4ofbowl height);addadditional oilifnecessary. Factory

recommendedoilis SAE#10automotiveengine oilorlighter. (Petroleum based only,do notuse

syntheticoils.)

STEP3)

Secureaprimaryairsource with a flow capacity of 10 - 100cfm and a pressure range of 10 -

100psi. Attach aminimum1/2”I.Dhosetotheinlet fitting. Note: Maximuminletpressure should

not exceed 150psi (10 bar).

STEP4)

Installductcuff toexhaustflangeand tightencinchstrap. Keepbends andkinksinducting toa

minimumto maximizeairflow.THEUSEOFCONDUCTIVEDUCTINGISRECOM-

MENDEDWHEN OPERATINGIN POTENTIALLYEXPLOSIVEENVIRONMENTS.

Assurethattheblowerisproperlygroundedbeforeoperatingandthatthegroundingwires

fromthe ductingandSaddleVent®,ifused aresecurelyattached to theblower’sground-

ingwire.

CAUTION:

Ifexplosiveor volatile vaporsaresuspectedorpresent, followANSI/

API2015and2016proceduresforpropergroundingoftheblower. All

staticelectricitymustberemovedfromtheblowerandattachedducting

priorto energizingtheblower.

Conductiveducting shouldbetestedsemiannuallyto assureresistance

(ohms)doesnotexceed 300k. If sufficient resistanceisnotachieved,

theductshould beremovedfromservice.

STEP 5)

Adjust pressure regulator, clockwise to increase, counterclockwise to decrease motor

speed. This adjustment will increase or decrease the air flow. Note: Available air

pressure (psi) and volume (cfm) will determine blower performance.

-9-

SHUTDOWN

• Insurethatall workers areremovedfromthe confined spacesite.

• Shut off blower and remove all ducting.

MAINTENANCE

• Keep blower motor dry and free from contaminants and dust.

• Check periodically to ensure moving parts are free from obstructions.

•Change filter (Part# WL040B) located in regulator after approximately 300 - 500 hours

• UseSAE#10 automotiveengineoilor lighterinlubricatorat alltimes. (Donotexceed 10weightoil). Heavy

weightoils willcausedamage totheairmotor.

• Cleanmufflerassembly every100-300hourswith safetysolvent(Part#BAC-1001).

• Flushairmotor every100hourswith safetysolvent(#BAC-1001)through maintenanceport(seebelow).

• Remove air exhaust filter before flushing and reinstall after several minutes of running unit. Flush unit

after every 200 hours or after storing for long periods.

AIR MOTOR FLUSHING PROCEDURE

Use Air Systems’ Part #BAC-1001 safety solvent.

Do not use a flammable solvent or a solvent with a toxicity rating of 500ppm or

greater to flush the unit.

Note: Eye protection should be worn when flushing the unit.

STEP6)

Theproperamount of oilmisthasalready beenfactorypreset. However,dependingonthe viscosity of

theoilbeingused,slight adjustmentsmaybe necessary. Withtheblowerrunning,theproperoilmist

shouldbeone drop/min. Theoilmistadjustment screwislocated nexttotheoil fillcap. Turnthis

screw clockwise to decrease or counterclockwise to increase oil flow. Note: Approximately1drop

per minute can be achieved by turning the adjustment screw fully clockwise and then turn

counterclockwise 1 1/2 turns.

MAINTENANCEPORT STEP 1)

Toflushthemotor, turnoffblowerandremovethe exhaust filterelement(Seepage 10).

STEP 2)

Openthemaintenanceport, shown atleft. Sprayoneortwo ounces of safetysolventintothe mainte-

nanceport. Closethemaintenanceport. Runtheblowerinanopen area away from sparks and

flamesforaminimumoffiveminutesbeforereinstallingtheexhaustfilter.

OILDROP

SIGHTGLASS

OILMIST

ADJUSTMENT

-10-

TROUBLESHOOTING

MODEL SVB-A8 Pneumatic Blower

SPECIFICATIONS

MOTOR TYPE 4 HP (3.0 kw) pneumatic (Intrinsically safe)

FUNCTIONAL

COMPONENTS 1st Stage: Particulate/water filter with combination air pressure regulator

and gauge, 2nd stage: In-line lubricator, discharge exhaust oilfilter and

noise suppressing muffler.

PRESSURE

REQUIRED 10-100psi

AIR CONSUMPTION 10-100cfm

FLOW RATES Free Air: 1500 at minimum psi and cfm - 3000 at maximum psi and cfm

25 ft. Duct with One 90 degree bend:1040 at minimum psiand cfm

1725 at maximum

INLET/ OUTLET SIZE 8" Diameter (203 mm)

NOISE LEVEL 82dbA at 3 ft. @ 80psiinlet pressure

PROBLEM POSSIBLE CAUSE SOLUTION

Blower will not start Insufficient pressure Check pressure gauge on compressed air source to

ensure proper supply pressure. Turn regulator knob

clockwise to increase air pressure to air motor and

note the gauge pressure on the regulator.

Excessive vibration Possible internal damage Turn blower off and inspect fan blades, shaft, and

housing for debris, damage, and loose screws.

Note: Never run blower for extended periods without

installing duct on the exhaust flange.

Possible external damage Turn blower off and inspect housing

Blower loses pressure Insufficient air flow or

pressure Hose with a minimum 1/2" diameter is required at 10-

100cfm delivery volume

Remove muffler housing and unscrew internal air

muffler. Clean with safety solvent and reinstall.

Motor icing (interior) Excessive water in airline Install moisture separator filter before blower (order

Model #PF-240). Remove muffler and clean out ice

blockage and reassemble.

Motor icing (exterior) Very high humidity Normal during hot weather

ITEM # DESCRIPTION PART #

1 MAINTENANCE PORT ST8PLA

2 EXHAUST FILTER ELEMENT WL008A

3 MUFFLER COMPA001

4 INLET FITTING QDH5PL8M

5 RUBBER FOOT HDWR025

6 FILTER/REGULATOR WL040

7 PRESSURE GAUGE GA20160B

8 LUBRICATOR WL020

9 GROUND LUG ELA051

10 INTAKE/DISCHARGE GUARD - CONDUCTIVE SVB-DGRDCN

11 WHEEL HOUSING - CONDUCTIVE SVB-WH-CND

12* BLOWER WHEEL (SET SCREWS - FS5/16X038) METL039

*LOCATED INSIDE WHEEL HOUSING

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