Robinair High Performance Vacuum Pump 15401 Users Manual

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High Performance Vacuum Pump

Model 15401/15601/15603/15605

Operating Manual .........................................2

Bombas de Vacío de Alto Rendimiento

Modelo 15401/15601/15603

Manuel del Operador ....................................8

Pompe à Vide à Haut Rendement

Modèle 15401/15601/15603

Manuel d’utilisation .....................................16

Hochleistungs-Vakuumpumpe

Modelle 15401/15601/15603

Bedienungsanleitung ..................................24

Table of contents

Robinair® high performance

vacuum pumps .....................................................2

Pump components................................................3

Warnings .............................................................3

Before using your vacuum pump ..........................4

To use the gas ballast feature...............................5

To shut down your pump after use .......................5

To maintain your high vacuum pump ....................5

Vacuum pump oil .............................................5

Oil change procedure ......................................5

Cleaning your pump.........................................5

Motor lubrication .............................................5

Troubleshooting guide ..........................................6

Failure to start.......................................................6

Oil leakage .......................................................6

Failure to pull a good vacuum..........................6

Pump specications..............................................6

Replacement parts ...............................................7

Warranty coverage ...............................................7

Out of warranty ................................................7

Operating Manual

2

Robinair® high performance

vacuum pumps

Congratulations on purchasing one of Robinair’s

top quality vacuum pumps. Your pump has been

engineered specically for air conditioning and

refrigeration service, and is built with Robinair’s

proven offset rotary vane for fast, thorough

evacuation.

You’ll appreciate these key features . . .

Iso-ValveTM

Allows the pump to be shut off while still connected to

the A/C-R system, which is handy for checking rate

of rise. With the valve handle in the OPEN position,

the pump is open to the system being evacuated.

In the CLOSE position, the pump is isolated from

the system. This minimizes pump oil pulled into

the pumping module, making start-up easier and

reducing wear and tear on the pump components.

High vacuum rating

The two-stage, offset rotary vane design provides

powerful, quiet, high vacuum capability and ensures

moisture removal, while the high pumping capacity

reduces evacuation time.

Lifetime ltration

The intake lter prevents foreign matter from entering

the pumping chamber, and an internal exhaust lter

separates oil vapor from the exhaust ow.

Directed exhaust

The exhaust is expelled through the handle to direct it

away from the service technician.

Gas ballast

A precise amount of atmospheric air is introduced

into the pump, preventing condensation of moisture

vapor and helping maintain the purity of the pump oil.

By using the gas ballast, the pump operates more

efciently and pump life is extended.

Sure-grip handle

The one-piece, molded handle makes it easy to carry

the pump to and from job sites, and the handle stays

cool to the touch during operation.

Compact design

The pump measures approximately 40 cm long, while

aluminum housing and offset rotary vanes keep the

pump weight low, making it easy to carry.

For use on A/C-R systems

using CFCs, HCFCs and HFCs

in conjunction with mineral oil,

ester oil, alkylbenzene oil and

PAG oil as lubricants. Not for

use with ammonia or lithium

bromide systems. Not for use

with ammable refrigerants.

Operating Manual

3

Pump Components

 1.IntakeFitting

 2.GasBallastValve

(locatedbesidehandlebase)

 3.OilFillPort

 4.SightGlass

 5.Die-CastAluminumHousing

 6.OilDrain

 7.MoldedPolycarbonateBase

 8.Iso-ValveTM

  (isolatesthepumpfromthesystem)

 9.HighTorqueMotor

10.PowerSwitch

11.Through-the-HandleExhaust

12.Sure-GripHandle

Warnings

Wear goggles when working with

refrigerants. Contact with refrigerants

may cause injury.

Incorrect use or connections may

cause electrical shock. Study and

follow the instructions carefully. and

take precautions to avoid electrical

shock hazards. All associated devices

must be grounded before energizing

circuits.

The normal operating temperature

will cause certain external portions of

the pump to be hot to the touch. Do

not touch the pump housing or motor

during operation.

NOTICE: Airborne Noise Emissions

This equipment has been tested for airborne noise emission per

the Council Directive for Machinery (89/392/EEC) Section 1.7.4

Instructions — Essential Health and Safety Requirements.

Sound levels do not exceed 80dB(A) actual value.

1

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12

116292Rev.FJune18,2013

Inallcases,motorsaredesignedforoperating

voltagesplusorminus10%ofthenormalrating

(seeSPECIFICATIONS).

 1.Verifythevoltageandfrequencyattheoutlet

matchthespecicationsonthepumpmotor

decal.VerifytheON/OFFswitchisinthe

OFFpositionbeforeyouplugthepump

intoanoutlet.Verifythegasballastvalveis

closed.Removeanddiscardtheexhaustplug

fromtheendofthepump’shandle.

 2.Thepumpisshippedwithoutoilinthe

reservoir.Beforestartingthepump,llwith

oil.RemovetheOILFILLcap(blackplastic

plugdirectlyinfrontofthehandle),andadd

oiluntiltheoiljustshowsinthebottomofthe

sightglass.Theapproximateoilcapacityof

thepumpis375milliliters.

 3.ReplacetheOILFILLcapandremovethecap

fromoneoftheinletports.TurntheIso-Valve

toOPEN.TurnthemotorswitchON.When

thepumprunssmoothly,turntheIso-Valve

toCLOSEDandreplacethecapontheinlet

port.Thismaytakefromtwoto30seconds,

dependingontheambienttemperature.After

thepumprunsforapproximatelyoneminute,

checkthesightglassforcorrectoillevel—

oilshouldbeevenwiththesightglassOIL

LEVELline.Addmoreoilifnecessary.

Whenthepumpisrunning,theoillevel

shouldbeevenwiththelineonthesight

glass.Underllingwillresultinpoorvacuum

performance.Overllingcanresultinoil

blowingfromtheexhaust.

Yourpumpisnowreadytoevacuateair

conditioningandrefrigerationsystems.Follow

normalserviceproceduresandtheA/C-R

manufacturer’sinstructionsforconnectionstothe

system.

Before using your vacuum pump

Operating Manual

4

Emerson MotorsGeneral Electric Motors

CAUTION! Before connecting the vacuum pump

to an A/C-R system, remove refrigerant from the

system in an accepted manner. Damage to the

pump may occur if evacuation is started while

the system is under high pressure. Robinair

recommends use of our Refrigerant Recovery

and Recycling equipment.

Wiring Instructions:

Thisvacuumpumpfeaturesdualvoltageranges.

Beforeoperatingthepump,readandfollowthese

rewiringinstructions(ifnecessary)tobesureyour

pumpiswiredfortheappropriatevoltage.

CAUTION! Unplug the unit before

beginning any service work. Incorrect

use or connections can cause electrical

shock. Only qualied personnel should

perform service work.

Thisvacuumpumpisfactorywiredforahigh

voltagerangeof220to250volts.Towirethe

switchforalowvoltagerangeof110voltsto115

volts,followthesesteps:

 1.

DisconnecttheunitfromtheACpowersource.

 2.Loosenthescrewsontheplateattherearof

themotor,andcarefullymovetheplateaside

tocleartheopening.

 3.Disconnecttheleadsandreconnectforlow

voltage,followingthediagramandchart.

(Highvoltageconnectionsarealsoshownif

youwanttorewireinthefuture.)

 4.Verifyconnectionsaresecureandthere

arenoshortcircuits.Verifythegrounding

connectoriscorrectlyconnected.

 5.Re-installtheplateontherearofmotorwith

thescrewswhichwereloosenedinStep2.

IMPORTANT: Checkforshortcircuitsusinga

continuitytesterbeforereconnectingtotheAC

powersource.

— EMERSON —

INTERNAL VOLTAGE CONNECTION

MOTOR LOW HIGH

LEAD VOLTAGE VOLTAGE

BROWN 3 6

WHITE 4 3

BLACK 2 3

INST0350

NOTE: EXTERNAL POWER LEADS ARE ALWAYS

CONNECTED TO TERMINALS 1 AND 4.

Operating Manual

To use the gas

ballast feature

MoisturefromtheA/C-Rsystemthatiscarried

intothepumpasavaportendstocondenseinto

aliquidandcombinewiththevacuumpumpoil.

Whenmoisturecontaminatesthepumpoil,it

reducesthepump’sabilitytoreachitsultimate

deepvacuumlevel.

Thegasballastvalvepurgesasmallamountof

atmosphericairthroughtheexhaustchamber.

Thisextravolumeofairmixeswiththevaporfrom

therefrigerantsystemtopreventcondensation

andtohelpexhaustmoistureintheformofvapor

fromthepump.

Tousethegasballast,startthepumpandopen

thegasballastvalveuntilthesystemhasreached

approximately1000-3000microns.Closethe

valvetoallowthepumptopulldowntoitsultimate

vacuumlevel.(Thegasballastvalveislocated

besidethehandle,oppositetheinlettting.)

Thegasballastvalvemaybeopenedorclosedat

anytimeduringpumpoperation.Itisfullyopenat

twoturnscounterclockwise.

NOTE: Robinair recommends the use of a

thermistor vacuum gauge to most accurately

measure vacuum levels.

5

To maintain the high vacuum

pump

Formaximumperformance,Robinairrecommends

changingvacuumpumpoilaftereachuse.

Vacuum pump oil

Theconditionandtypeofoilusedinanyhighvacuum

pump are extremely important in determining the

ultimateattainablevacuum.Robinairrecommends

the use of our Premium High Vacuum Pump Oil.

Thisoilhasbeenspecicallyblendedtomaintain

maximumviscosityatnormalrunningtemperatures

andtoimprovecoldweatherstarts.

OurPremiumHighVacuumPumpOilisavailable

inquartorgalloncontainers.Orderbypart

number:

13203—Quart(shipped12quartspercase)

13204—Gallon(shipped4gallonspercase)

Oil change procedure

 1.Besurethepumpiswarmedup.

 2.RemovetheOILDRAINcap.Drain

contaminatedoilintoasuitablecontainerand

disposeofcorrectly.Oilcanbeforcedfrom

thepumpbyopeningtheinletandpartially

blockingtheexhaustwithaclothwhilethe

pumpisrunning.Donotoperatethepumpfor

morethan20secondsusingthismethod.

 3.Whentheowofoilhasstopped,tiltthe

pumpforwardtodrainresidualoil.

 4.ReplacetheOILDRAINcap.Removethe

OILFILLcap,andllthereservoirwithnew

vacuumpumpoiluntiltheoiljustshowsatthe

bottomofthesightglass.Theapproximateoil

capacityofthepumpis375milliliters.

 5.Verifytheinletportsarecapped.TurnON

thepump,andallowittorunforoneminute.

Checktheoillevel.Iftheoilisbelowthesight

glassOILLEVELline,addoilslowly(withthe

pumprunning)untiltheoilreachestheOIL

LEVELline.ReplacetheOILFILLcap,cap

theinlet,andtightenthedraincap.

 6.Iftheoilisbadlycontaminated,youmayneed

toushthepump.Toush,removethepump

draincapandstartthepump.Slowlypoura

smallquantityofnewpumpoilthroughtheoil

llinlet.

Repeatthisprocedureasrequireduntilthe

contaminationisremoved.ReplacetheOIL

DRAINcapandrellthereservoirtothe

correctlevelusingfreshpumpoil(Step4).

Cleaning the pump

Useonlysoapandwatertocleanthe

pump.Donotusecommercialcleanersthat

containdegreasingagentsthatcandamage

polycarbonates.Thepumphandleandbaseare

madeofLexan,oneofthetoughestpolycarbonate

plasticsavailable.However,itissensitiveto

degreasingagents.

*Lexan is a registered trademark of General

Electric

Motor lubrication

Afterthreeyearsofnormalserviceoroneyear

ofheavy-dutyservice,addmotoroil.Useelectric

motoroilorSAE10oil.

To shut down the

pump after use

Tohelpprolongpumplifeandpromoteeasystart-

ing,followtheseproceduresforshutdown:

 1.Closethemanifoldvalvebetweenthepump

andthesystem.

 2.TurntheIso-ValvetotheCLOSEDposition.

 3.Removethehosefromthepumpinlet.

 4.TurnthepumppowerswitchtoOFF,then

returntheIso-ValvetotheOPENpositionfor

afewsecondstorelieveanyvacuuminside

thepump.

 5.Captheinletporttopreventanycontamina-

tionorlooseparticlesfromenteringtheport.

Troubleshooting guide

Thispumphasbeendesignedfordependable

useandlonglife.Ifsomethingshouldgowrong,

however,thefollowingguidewillhelpyougetthe

pumpbackintoserviceasquicklyaspossible.

Ifdisassemblyofthepumpisrequired,please

checkyourwarranty.Thewarrantymaybevoided

bymisuseorcustomertamperingthatresultsin

thepumpbeinginoperable.

Failure to start

Checklinevoltage.Robinairpumpsaredesigned

tostartat+10%linevoltage(loaded)at0oC.At

extremes,however,switchingbetweenthestart

andrunwindingsmayoccur.Whenstartingthe

pumpincoldtemperatures,verifytheIso-Valve

andinletportareopentofreeair.

Oilleakage

 1.Verifytheoilisnotaresidualaccumulation

fromspillage,etc.

 2.Ifleakageexists,themodulecovergasket

ortheshaftsealmayneedreplacing.

Followtheinstructionssuppliedwiththe

sealreplacementkit,partnumber15367.If

leakageexistsintheareaofthedrainplug,

resealtheplugusingacommercialpipe

threadsealer.

Failure to pull a good vacuum

 1.VerifytheIso-Valveonthepumpisinthe

OPENposition,andthegasballastknobis

tightlysealed.

 2.Verifythevacuumgaugeandallconnections

areingoodconditonandleak-free.Conrm

leakagebymonitoringthevacuumwitha

thermistorgaugewhileapplyingvacuum

pumpoilatconnectionsorsuspectedleak

points.Vacuumwillimprovebrieywhilethe

oilissealingtheleak.

 3.Besurethepumpoilisclean.Abadly

contaminatedpumpmayrequireseveraloil

ushes.SeeOILCHANGEPROCEDURE.

 4.Verifytheoilisatthecorrectlevel.For

maximumpumpoperation,theoilmustbe

evenwiththeOILLEVELlineonthesight

glasswhenthepumpisrunning.SeeOIL

CHANGEPROCEDURE.Donotoverll.

Operatingtemperaturescausetheoilto

expand,soitwillappearatahigherlevelthan

whenthepumpisnotrunning.Tocheckthe

oillevel,startthepumpwiththeinletcapped.

Checktheoillevelinthesightglass.Addoilif

necessary.

Pump Specications

Model 15401

FrequencyRange.................................... 50-60Hz

FreeAirDisplacement.........................4cfm/60Hz

 ..................................................94l/m@50Hz

 ................................................ 113l/m@60Hz

Stages..................................................................2

MotorSpeed.............................1425rpm@50Hz

 .............................................1725rpm@60Hz

VoltageRange......................................110V–115V

 ........................................................ 220V–250V

FactoryMicronRating.......................... 15microns

ApproximateOilCapacity............................ 400ml

Weight........................................................... 13kg

Width....................................................... 14.29cm

Height........................................................ 24.6cm

Length........................................................... 40cm

Intake.................................... 1/4"and1/2"SAEMFL

Min.StartingTemp.(at90%voltage)............... 0oC

MotorSize............0.25kW(1/3HP)CapacitorStart

OperatingTemp.............................................. 68oC

Models 15601/15603/15605

FrequencyRange.................................... 50-60Hz

FreeAirDisplacement.........................6cfm/60Hz

 ................................................142l/m@50Hz

 ................................................170l/m@60Hz

Stages..................................................................2

MotorSpeed.............................1425rpm@50Hz

 .............................................1725rpm@60Hz

VoltageRange......................................110V–115V

 ........................................................ 220V–250V

FactoryMicronRating.......................... 15microns

ApproximateOilCapacity............................ 400ml

Weight........................................................... 13kg

Width....................................................... 14.29cm

Height........................................................ 24.6cm

Length........................................................... 42cm

Intake.............................1/4",3/8",and1/2"SAEMFL

Min.StartingTemp.(at90%voltage)............... 0oC

MotorSize...........0.25kW(1/3HP)CapacitorStart

OperatingTemp.............................................. 68oC

Notes:

1. All motors are internally protected (automatic

reset).

2. Operating temperatures are typical for normal

operating conditions.

3. Model 15603 has a bipolar side grounded plug.

4. Models 15405 & 15605 have Australian plugs.

Because of ongoing product improvements, we reserve the right to

change design, specications, or materials without notice.

Operating Manual

6

Operating Manual

7

INST0026 1

2

3

4

5

6

7

9

8

9

11

12

13

14

16

15

17

Replacement parts

15605/

15601/

Part Item 15401 15603

OilDrainCap(6) 1 40572 40572

OilDrainKit

(includesItemNo.1) 2 13193 13193

ModuleCoverKit

(includesNos.2,4,and5) 3 15337 15337

OilFillCap

(includesNo.7) 4 15371 15371

IntakeFitting

(includesNo.9) 8 15364 555124

IntakeCap(1ea.)

1/4",3/8",1/2"SAEMFL 9 555133 555133

VentBolt

(includeso-rings) 11 15338 15338

Handle,PowerCord

andSwitchAssembly 12 15466 15466

Motor 13 15465 15465

Coupling 14 13192 13192

Iso-ValveTMAssembly 15 15368 15368

BaseandFootAssembly 16 15369 15369

PumpAssembly,lessmotor

(includesNo.3and6) 17 15547 15548

SealReplacementKit 

(notshown) -- 15367 15367

Warranty coverage

Robinairvacuumpumpsarewarrantedagainst

defectsinmaterialandworkmanshipforoneyear

ofnormalusefromthedateofpurchase.Seeyour

distributorforwarrantydetails.

Out of warranty

Apumpwhichisnolongercoveredbytheone-

yearwarrantyperiodandwhichfailstooperate

properlyshouldbereturnedtothedistributor

withafullwrittenexplanationoftheproblem.The

distributormaysuggestreturningthepumptothe

factory.Beforereturninganout-of-warrantypump,

reviewallmaintenanceprocedurestoavoidanun-

necessaryreturn.Replacementpartsareavailable

fordoingyourownservice.

9

116292 Rev. F June 18, 2013 © Bosch Automotive Service Solutions

BOSCH AUTOMOTIVE SERVICE SOLUTIONS

655 EISENHOWER DRIVE

OWATONNA, MN 55060 USA

TECHNICAL SERVICES: 1-800-822-5561

FAX: 1-866-259-1241

CUSTOMER SERVICE: 1-800-533-6127

FAX: 1-800-283-8665

WEB SITE: WWW.ROBINAIR.COM

Call our Toll-Free

Technical Support Line at

800-822-5561

in the continental U.S. and Canada

or visit our website

www.robinair.com

In all other locations, contact your local distributor. To help us serve you better,

be prepared to provide the model number, serial number, and date of purchase of

your unit.

To validate your warranty, complete the warranty card attached to your unit and

return it within ten days from date of purchase.

NATIONWIDE NETWORK OF AUTHORIZED SERVICE CENTERS

If your unit needs repairs or replacement parts, contact the service center in your

area. For help in locating a service center, call the toll-free technical support line,

or visit our website.

Due to ongoing product improvements, we reserve the right

to change design, specications, and materials without notice.

%