USAutomatic SENTRY 300 S Installation guide

Brand: USAutomatic

Model: SENTRY 300 S

Category: Garage Door Opener

Type: Installation guide

This manual is also suitable for

Installation/Owners Manual

Battery Powered Solar or AC Charged

MADE IN THE USA

www.sentrygateopener.com

Designed to

open all types

of gates in all

kinds of places.

High Quality Low Voltage

Vehicular Swing Gate Opener

High Quality Low Voltage

Vehicular Swing Gate Opener

Year

Warranty

SENTRY

300 S / 300 D

INTRODUCTION

About the Sentry .......................................................................................................... 2

Safety Information ....................................................................................................... 3

Sentry Parts Inventory ................................................................................................. 5

Sentry Hardware Inventory .......................................................................................... 6

General Tool Requirements ......................................................................................... 6

PREPARATION AND OVERVIEW

 GateQualications/Applications .................................................................................. 7

 ProperGateDesign ..................................................................................................... 7

INSTALLATION

 1. MountingSiteReview ............................................................................................ 8

2. DetermineProperBracketsandOpeningMethod ................................................. 9

3. AttachingUniversalActuatorBrackettoHingePostorPostBeingUsed ........... 11

4. AttachActuatorBrackettoUniversalActuatorBracket ....................................... 12

5. InstallLinearActuatortoActuatorBracket .......................................................... 12

6. InstallGateBrackettoLinearActuator ................................................................ 13

7. InstallGateBrackettoGate ................................................................................. 13

8. PrepareControlBoxforInstallation ..................................................................... 13

9. InstallSentryControlBox .................................................................................... 14

 SplicingforSentry300SLinearActuatorCable(ifneeded)

10.SentryPlugNGoHarness .................................................................................. 15

11.InstallBattery ...................................................................................................... 15

12.InstallChargingSystem(ACorSolar) ................................................................. 16

13.ConnectChargeDevicetoChargeController ..................................................... 17

14.ChargeControllerOperationCheck .................................................................... 17

15.InstallLinearActuatorCable ................................................................................ 18

16.SentryPlugNGoHarnessFinalInstallation ....................................................... 18

17.SensitivityAdjustmentsandEntrapmentAlarm ................................................... 19

19.AdjustingGate1andGate2Sensitivity .............................................................. 20

20.ExtendandRetractLimitAdjustments ................................................................. 20

21.OperatingGatefortheFirstTime ........................................................................ 21

22.MakingFinalAdjustments .................................................................................... 21

23.InstallSafetySigns .............................................................................................. 22

24.ProgrammingTransmitterandReceiver .............................................................. 22

ENTRAPMENT ZONES ...................................................................................................... 24

PERIODIC SERVICE ........................................................................................................... 24

SENTRY 300 D GATE 2 INSTALLATION ...................................................................... 25

ACCESSORIES .................................................................................................................... 28

TROUBLESHOOTING ......................................................................................................... 34

APPENDIX ........................................................................................................................... 41

WARRANTY ......................................................................................................................... 45

TABLE OF CONTENTS

SENTRY

300 Series AUTOMATIC GATE OPENER

TheSentryGateOpenerisintendedtobeinstalled

onvehicularClassI,II,IIIorIVgatesasdenedby

UL325,(thestandardthatregulatesgateopener

safety,asestablishedandmadeeffectiveMarch14,

2003,byUnderwritersLaboratories,Inc.)

TheSentryGateOpeneristhersttrulysolar

chargedgateopenerfortheDoItYourself

market.Thesystemdesignandtheaccessories

recommendedareallSolarFriendlymeaningthat

theyrequiretheleastamountofenergypossible

toperformthejobtheyweredesignedtodo.The

solaroptionallowsyoutoinstallthegateopenerin

remoteareasorinapplicationswhereyoupreferto

besolarcharged.Solarchargingprovidesisolation

fromlightningthatmightdamagetheunitviathe

ACpowerneededforthetransformer.

The Sentry Gate Opener is powered by a 12 VDC battery(notincluded).Thisbatteryischarged

bythesuppliedtransformerwhichrequiresACpower(120VAC)tobeeitheratthegateareaorwithin

1000feetofthegatearea.IftheACpowerismorethan10feetfromthegateopenercontrolboxthen

additionalextensioncableisrequired(seeSentrychargecableextensionkitinformation).

Ifpreferred,youmayusetheoptionalSentrySolarPanelkit(PN520015)tochargethebattery.

Typicallyonlyonepanelwillberequired.TheSentryGateOpeneriscapableofahighnumberof

cyclesperday.Forinformationonwhatyoucanexpectfromasolarchargedsystemseethesolar

chargingsectionofthismanual.(page41)Accessoriesthatareaddedtoyourgateopenermustbe

solarfriendlyaccessoriesandtheywillbeidentiedassuch.

The Sentry Gate Opener features an easy to connect Plug N Go wiring harness that eliminates

the need for any complicated wiring.Theonlywiringrequiredconsistsoftwowiresfromthe

harnessthatmustbeconnectedtothebatterypositiveterminal(redwire)andbatterynegative

terminal(blackwire).Allcomponentshavebeenpre-installedsothatinstallationcantypicallybe

completedinlessthanonehour.

The Sentry control board features high quality components and industry leading ideas such

as auto resetting fuses for motor protection.Theoldautomotivetypefusethatfrequentlyfail

havebeendesignedoutofthiscontrollertoavoidtheunnecessaryexpenseofbuyingfuses.Another

patentpendingitemdesignedintothecontrolboardistheonboardpotentiometersforadjustingstop

limits.Manyotherfeatureshavebeendesignedintothecontrolboardtoensuresuperioroperation

foryearstocome.AttentiontodetailandqualitypartsmakestheSentryGateOpenertheFirstHigh

QualityGateOpenerfortheDoItYourselfInstaller.USAutomaticappreciatesthefactyouhave

recognizedthequalityoftheSentrygateopenerforyourinstallationandwouldappreciateyour

commentsonhowwearedoingsothatwemaycontinuetobuildanddesignproductsinthefuture

thatworkthewayyouwantthemto.

PLEASE READ THE ENTIRE MANUAL CAREFULLY PRIOR TO INSTALLATION.

Indoingso,alongwithperformingtheinstallationinstep-by-steporder,youwillachieveoptimal

results.YourSentrycontrolboardwasdesignedwithacurrentsensesafetyfeatureandwestrongly

recommendothersafetydevicessuchasphotoeyestomakeeachparticularinstallationassafeas

possibleandreducetheriskofpersonalinjuryand/orpropertydamage.

PleasereadcarefullyandunderstandtheSafetySectionofthemanual.

USAutomaticgateoperatorsarecertiedtoUL325VehicularClassI,II,IIIandIVswinggatestandards.

UL325identiesfourdifferentclassesofgateoperators.Theseclassesare:

Class I: Residentialvehiculargateoperator-vehiculargateoperator(orsystem)intendedforuseina

homeofonetofoursinglefamilydwellingsoragarageorparkingareaassociatedtherewith.

Class II:Commercial/Generalaccessvehiculargateoperator-vehiculargateoperator(orsystem)

intendedforuseinacommerciallocationorbuildingsuchasmulti-familyhousingunit(veor

moresinglefamilyunits),hotelgarages,retail,orotherbuildingsservicingthegeneralpublic.

Class III:Industrial/Limitedaccessvehiculargateoperator-vehiculargateoperator(orsystem)

intendedforuseinanindustriallocationorbuildingsuchasafactoryorloadingdockareaor

otherlocationsnotintendedtoservethegeneralpublic.

Class IV:RestrictedAccessvehiculargateoperator-vehiculargateoperator(orsystem)intended

foruseinaguardedindustriallocationorbuildingsuchasanairportsecurityareaorother

restrictedaccesslocationsnotservicingthegeneralpublic,inwhichunauthorizedaccessis

preventedviasupervisionbysecuritypersonnel.

INSTALLATION

Install the gate operator when:

• Operatorisappropriatefortheconstructionofthegateandusageclassiscorrectforthe

installation.

• Allexposedpinchpointsareeliminatedorguarded.

• Thegateisavehiclegate.Pedestriansmustbesuppliedwithaseparateaccessopening.

• Thegateisinstalledinalocationwhereenoughspaceissuppliedbetweenadjacentstructuresand

thegatethatwhenopeningorclosingthechanceofentrapmentisreduced.

• Thegatedoesnotswingintopublicaccessareas.

• Thegateisproperlyinstalledandswingsfreelyinbothdirections.Donotoveradjustthesensitivity

adjustmenttocompensateforanimpropergateinstallation.

• Allcontrolsarelocatedatleastsixfeetawayfromthegatetoeliminatethechanceoftheperson

operatingthegatefromcomingincontactwiththemovinggate.Donotinstallexternalbuttons,

whichcanbeusedtooperatethegatewithinthereachofchildren.

• Placardsareinstalled,oneoneachsideofthegateandvisibleinthegatearea.

• Allcontactsensorsusedforsecondaryentrapmentsafetydevicesandtheirwiringisinstalledina

mannerwhichprotectsthemfrommechanicaldamage.

• Allnon-Contactsensorsusedforsecondaryentrapmentsafetydevicesarelocatedsothatthe

signalfromthetransmittertothereceiverisnotinterferedwithbyadjacentstructures.Allexposed

wiringmustalsobeprotectedfrommechanicaldamage.

SECONDARY ENTRAPMENT DEVICES

USAutomatic designs all control boards with secondary entrapment inputs. USAutomatic

recommends that UL325 listed secondary safety devices be installed with all installations.

USAutomaticrecommendsthatthesedevicesbeconnectedafterpropergateinstallationand

operationhasbeenveried.Thenconnectonedeviceatatimetoverifyproperoperationbefore

installingthenextdevice.Ensurethatpowerisdisconnectedfromthecontrolboardpriortowiring

anyaccessory.

SAFETY INSTALLATION INFORMATION

WARNING

TO REDUCE THE RISK OF INJURY OR DEATH

1. READ AND FOLLOW ALL INSTRUCTIONS

2. Study the entire Safety Section paying particularly close attention to the entrapment zones

and be aware of these areas not only during use but also during any adjustments to the unit.

3. Do not attempt to enter the gate area while the gate is moving. Wait until the gate comes to

a complete stop.

4. Never let children operate or play with gate controls or any other activation device. Keep

remote control away from children.

5. DO NOT ALLOW CHILDREN TO PLAY IN THE AREA OF THE GATE.

6. Do not allow anyone to ride on the gate.

7. Always keep people and objects away from the gate.

8. NO ONE SHOULD CROSS THE PATH OF A MOVING GATE.

9. Operate the gate only when it is fully visible, free of persons or obstructions, and properly

adjusted.

10. Do not attempt to “beat the gate” while the gate is opening or closing. This is extremely

dangerous.

11. Test gate operator monthly. The gate must stop and reverse directions upon contacting a rigid

object or when the secondary entrapment device is activated.

12. After all adjustments have been made to the sensitivity (current sense) circuit, secondary

entrapment devices and all other external devices installed, the safety devices must be

checked again. Failure to adjust and retest the gate operator can increase the risk of injury

or death.

13. Verify that the emergency release (manual release) pin can be easily removed.

14. KEEP GATES PROPERLY MAINTAINED. Tighten all bolts and grease hinges and pivot points.

15. THE ENTRANCE IS TO BE USED BY VEHICLES ONLY. Pedestrians must use a separate

entrance.

16. All safety features required by UL 325 are incorporated in the capabilities of all USAutomatic

Control boards and should be utilized, including but not limited to, safety edges, photo

electric eyes, reverse sensing.

17. Test the current sense feature and all safety devices regularly to insure correct operation.

18. The USAutomatic battery charger is designed to operate with a recommended +12 VDC,

sealed maintenance free type Group U-1 battery. 30 amp hour minimum.

19. All control stations should be located at least 6 feet from any moving part of the gate

or operator.

20. Do not ever install any control device where a user will be tempted to reach through the gate

or fence to activate a gate.

21. Do not attempt to completely seal the control box. Battery needs some air ow.

22. SAVE THESE INSTRUCTIONS!!

Universal Actuator

Bracket

Part#610400

1 per

Square Post Flush

Mount Bracket

Part#610402

1 per

Round Post Flush

Mount Bracket

Part#610404

1 per

Actuator Bracket

Part#610406

1 per

Gate Bracket

Part#610105

1 per

Gate Support

Bracket

Part#610120

2 per

Bronze Bushing

Part#610530

2 per

Manual release pin

Part#610534

1 per

Manual release clip

Part#610535

1 per

Plug N Go

Harness

Part#630040

1 per

1/2” Cable Gland

Part#620022

1 per

Entrapment

Siren

Part#530015

1 per

Safety Sign

Part#601027

2 per

Transmitter

Part#030210

2 per

Transformer

Part#520008

1 per

Charge Controller

Part#520007

1 per (Installed)

LCR Receiver

Part#030200

1 per (Installed)

SENTRY 300 Series partnumber020320

PARTS INVENTORY

Linear Actuator

Part#510300

1 per

Instructional DVD

1 per

Control Board

Part#500410

1 per (Installed)

Charge Controller

LCR Receiver

Transmitter

Part#030210

2 per

Transformer

Part#520008

1 per

Charge Controller

Part#520007

1 per (Installed)

LCR Receiver

Part#030200

1 per (Installed)

Control Board

Part#500410

1 per (Installed)

Charge Controller

LCR Receiver

3/8 x 16 nylon lock nut

Part#610518

5 per

1/4 x 20 nylon lock nut

Part#610526

2 per

3/8 USS at washer

Part#610514

6 per

3/8 SAE at washer

Part#610516

2 per

1/4 SAE at washer

Part#610524

4 per

Nylon washer

Part#610528

2per

3/8 x 2 1/2” shoulder bolt

Part#610512

3per

3/8 x 16 x 8” carriage bolt

Part#610510

2per

Tap bolt

1/4 x 20 x 3 1/2”

Part#610522

2per

Tap bolt

1/4 x 20 x 2 1/2”

Part#610520

2per

#12 x 1 1/4 self tap hex screw

Part # 610532

4 per

GENERAL TOOL REQUIREMENTS

Tools required for most installations:

 •Wrenches–7/16,9/16and10mm •Sockets7/16,3/8and5/16

 •Drill •Drillbits1/4and3/8inch

 •Drilladapterforsocketattachment •Pliers

 •Hacksaw •Levelandtapemeasure

Weldingistherecommendedmethodofsecuringthelinearactuatormountstothegateandhingepost.

Boltonbracketsareprovidedandareacceptablebutmayrequirefrequentservicetokeeptight.They

mustbeverysecurelyattached(i.e.carriageboltswithlocknutsandwashers).Lagtypeboltsarenot

recommended.Looseorunstablelinearactuatormountswillresultinimproperoperation.

IMPORTANT CAUTIONS:

1. Donotperformanyweldingwiththeactuatorcablepluggedintothecontrolboardorthebattery

connected.Seriousdamagetothecontrolboardand/orbatterymayoccurifattempted.

2. Usecontrolboxasatemplatetodeterminemountingscrewlocationsandthenattachscrews

andslideoncontrolbox.Donotattempttoholdcontrolboxanddrillmountingholes.Thiscould

damagethepreinstalledcomponents.

3. AlwaysdisconnectthebatterypowerfromthecontrolboardusingthePlugNGoharnesspriorto

wiringanydevicestothecontrolboard.

HARDWARE INVENTORY

GATE QUALIFICATIONS/APPLICATIONS

TheSentrygateopenerisdesignedandratedforvehicularclassI,II,IIIorIVswinggatesupto20

feetinlength.Maximumgateloadnottoexceed400poundsand20feetinlength.

TheSentryGateOpenerisrecommendedforGatesthatmeetthefollowingdescriptions:

TheSentrygateopenerisdesignedandsuppliedwithuniversalmountingbracketstotmosttypes

ofgateinstallations.Hingepostfrom23/8”to6”roundorsquarecanbeusedwiththeincluded

universalmountinghardware.

Chain Link Gate

16feetmaxlength

Maxweight350lbs.

Farm Gate

20feetmaxlength

Maxweight300lbs.

Ranch Gate

14feetmaxlength

Maxweight400lbs.

Ornamental Iron

12feetmaxlength

Maxweight400lbs.

PROPER GATE DESIGN

IMPORTANT- A GATE OPENER CANNOT OVERCOME A POORLY DESIGNED GATE.

Since the gate is a major component of the system, great care and concern must be given to

the gate design. USAutomatic,LTDisnotresponsibleforanydamagetoagateinwhichthegate

openerisinstalled.Apoorlyinstalledormisadjustedgatecouldbedamaged.Itistheresponsibility

oftheinstallertoverifypropergateinstallationpriortoopenerinstallation. Asageneralrule,agate,

whichistobeautomaticallyoperated,mustbestrongerandsmootherthanoneoperatedmanually.

• Doesthegateswingsmoothlywithoutbindsorexcessiveresistance?

• Swinggatesshouldswinglevelandplumbtopreventtheopenerfromhaving

toliftthegateopenorclosed.

• Swinggatesshouldnotrequireawheeltosupportthem.Wheelscreatedrag,

whichwillcauseopenerproblems.Awheelisgenerallyasignofaweakhinge

systemoraweakgateframe.

• Isthegateframeofsubstantialstrengthwithoutexcessiveweight?

• Willtheframewithstandnormalwindloadconditionswithoutswayorvibration?

• Willthegateclosecorrectlywithoutbeinghand-guidedorliftedtoclose?

• Arethehingessuitedforanautomaticgateopener?Werecommendbearing

typehingestoreducefrictiondrag.

• Willareinforcementbraceberequiredtoattachthelinearactuatortothegate

ordoesasuitablecrossmemberexistinthegatedesign?

If any of these problems exist, they must be corrected to achieve a reliable automatic gate system.

Sentryinstalledandshownintheextendedposition.

Actuatormustbeinstalledlevelandattachedtoahorizontalcrossmemberasshown.

Mounting Site Review

Review the following items prior to installation and predetermine the solution to any

problems which may exist:

• Doessufcientspaceexistformountingandfutureservicingoftheopenerandcontrolbox?

• Whichdirectionwillthegateswing?

• Willthegateopenerpullthegateopentotheinside(PulltoOpen)?

• Willthegateopenerpushthegateopentotheoutside(PushtoOpen)?

• Wherewilltheuniversalactuatorbracketandgatebracketbesecuredatthehingepostand

tothegate?

• Wherewillthecontrolboxbemountedtosupporttheweightofthebatteryandcanitbe

locatedwithin8feettopreventsplicingoftheactuatorcable?

• Howwillyouchargethebattery?WillitbeACorSolarcharged?

• Howfarawayisthe110VACreceptaclesforthetransformer?Transformerissupplied

with12feetofcable,ifextensionisneededuseSentryChargeCableExtensionKit(part

#630050).SeeAppendixB(pg42)forextensioncablekitinformationandrecommended

wiresizechartforextensiondistanceneeded.

• Ifsolarcharged,wherewillthesolarpanelbelocatedsothatoptimumsunlightisreceived?

Solarpanelinmostcasesneedstofaceasouthwestdirection.Solarpanelcomeswith15’

ofcable.Ifmoreisneeded,useSentryChargeCableExtensionKit(part#630050).

• Howwillaccessorycontrolwiring,ifany,bebroughttothecontrolbox?Knockoutsare

providedincontrolboxbottomforconduit.

• Haveallsafetyconcernsbeenaddressed?(SeeSafetySectionpg.3-4)

Gate Bracket

Universal

Actuator

Bracket

Linear Actuator

Installed Level

Horizontal Gate

Section

INSTALLATION

Determine Proper Brackets and Opening Method

Mounting Brackets

Determining which of the brackets will be needed for your installation.

TheSentrygateopenerissuppliedwithuniversalbracketstomountonround

orsquarehingepostranginginsizefrom23/8”to6”.Somepiecesmaynotbe

needed for your installation.

Thehingepostisthepostyourgatehingesareattachedto.Followthe

stepsbelowtoidentifywhichoftheincludedbracketswillbeneededforyour

installation.

Is the hinge post round or square?

Squarepostwillusethe“squarepostushmountbracket”

Roundpostwillusethe“roundpostushmountbracket”

NOTE:Ifaroundpostistobeuseditmightbenecessarytobracethepostso

thatitdoesnotrotate.Aroundpostsimplyinstalledinconcretewillrotate,if

possibledrillholesthroughthepostandinsertrebarthroughthepostpriorto

concretetopreventrotation.

Is the gate a light weight farm gate?

Ifso,usethe“gatesupportbrackets”toattachthegatebracketsothatthe

boltscanbesecurelytightened.

Universal Actuator Bracket

Theuniversalactuatorbracketcanbeinstalledinmanydifferentwaysto

accommodateyourgateopenerinstallation.Usetheimagesbelowtohelp

understandthemountingoptionsforthisbracketanddeterminetheinstallation

methodyouaregoingtouse.Theimagesareforreferenceonlyandyourinstallationmightdiffer.

Universalactuatorbracketmustbesecurelyinstalled.Drillingthroughthepostisthestrongest

method.Itisalsorecommendedthatthesquarepostushmountbracketortheroundpostush

mountbracketbeinstalledforstrengthonoppositesideofpostfromtheuniversalbracket(see

guresbelow).

Whendeterminingwheretheuniversalactuatorbracketwillmountonthehingepostyoumustalso

considerwherethegatebracketisgoingtoconnecttothegate.Thegatebracketisgoingtoattach

approximately34”outonthegatemeasuredfromthegatehingecenter.

Onceuniversalactuatorbracketlocationisdetermined,verifythatthegatebracketcanbeinstalledto

thegatesothatlinearactuatorislevel.

Square

Post

Bracket

Round

Post

Bracket

Universal

Actuator

Bracket

Gate

Support

Bracket

Pull to Open Installation

Thisinstallationmethodisthemostcommonwherethegateswingsintotheproperty/driveway.

Nomatterwhichwayyoudecidetoinstalltheactuatorbracketanduniversalactuatorbracketthe

pivotpointbelowmustbelocatedinapproximatelythispositionforapulltoopeninstallation.

Push to Open Installation

Thisinstallationmethodiscommon

wherethedrivewayslopesupentering

thepropertyandgatemustswing

outtoavoidinterference.Thistypeof

installationplacestheactuatorbracket

andlinearactuatorintothedrivearea

slightly.Anotherinstallationmethod

wouldbetoinstallasaPulltoOpen

andplacelinearactuatoronoutside

ofproperty.

Pushtoopeninstallationcanbe

achievedbyinstallinguniversalactuator

bracketandactuatorbracketasshownin

gurebelow.Dimensionsforthisinstall

methodare7”and4”fromhingecenter.

Universalactuatorbracketholepatternallowsfortheactuatorbrackettobeinstalledasshowninthis

locationonly.Establishenoughoffsetintherearactuatorpivotpointtoallowthegatetoclosefrom

theopenposition.

IMPORTANT: If Installation is Push to Open, control switch #2 “operating direction reverse”

must be turned “ON”.

NOTE: Pull to Open & Push to Open Dimensions are measured from the gate hinge center

(pivot point).

GateHingeCenter

(pivot point)

Attach Universal Actuator Bracket to hinge post or post being used

Mounting hardware needed:

• two3/8”x16x8”carriagebolts

• two3/8”USSatwashers

• two3/8”nylonlocknuts

Theuniversalactuatorbracketcanbeinstalledinmanydifferentways

toaccommodateyourgateopenerinstallation.Thepicturesherearefor

referenceandyourinstallationmightdiffer.

Universalactuatorbracketmustbesecurelyinstalled.Drillingthroughthe

postisthestrongestmethod.

NOTE: In all cases, the universal actuator bracket should be aligned

level with a horizontal gate section.

1. AttachUniversalActuatorBracketwithassociatedbracket(roundor

squarepostmount)aspreviouslydeterminedtoworkbestwithyour

openingmethod.Itisrecommendedthatthesquarepostushmount

bracketortheroundpostushmountbracketbeinstalledforstrength

onoppositesideofpostfromtheuniversalbracket.

2. Installwithcarriagebolts,locknutsandwashers.

3. Tightennutssecurely.

Weldingistherecommendedmethodofsecuringthelinearactuatormountstothegateandhinge

post.Boltonbracketsareprovidedandareacceptablebutmayrequirefrequentservicetokeep

tight.Theymustbeverysecurelyattached(i.e.carriageboltswithlocknutsandwashers).Lag

typeboltsarenotrecommended.Looseorunstablelinearactuatormountswillresultinimproper

operation.

IMPORTANT CAUTIONS:

1. Donotperformanyweldingwiththeactuatorcablepluggedintothecontrolboardorthebattery

connected.Seriousdamagetothecontrolboardand/orbatterymayoccurifattempted.

2. Usecontrolboxasatemplatetodeterminemountingscrewlocationsandthenattachscrews

andslideoncontrolbox.Donotattempttoholdcontrolboxanddrillmountingholes.Thiscould

damagethepreinstalledcomponents.

3. AlwaysdisconnectthebatterypowerfromthecontrolboardusingthePlugNGoharnesspriorto

wiringanydevicestothecontrolboard.

Attach Actuator Bracket to Universal Actuator Bracket

Theactuatorbrackethasa3/8”predrilledholethatthelinearactuatorwill

mountto.Thisisthepivotpointforthelinearactuator.Inallcases,the

universalactuatorbracketshouldbealignedlevelwithahorizontalgate

section.(seeMountingSiteReview)

For a Pull to Open installation - thepre-drilledholemustbelocated5”

behindthegatehingeand8”totheinsideoftheproperty.

For a Push to Open installation - thepre-drilledholemustbelocated7”in

frontofthegatehingeand4”tothedrivesideofthehinge.

Thesedimensionsaremeasuredfromthecenterofthegatehinge(pivotpoint).

Hardware needed:

• two3/8”x21/2”shoulderbolts

• two3/8”USSatwashers

• two3/8nylonlocknuts.

1. Attachactuatorbrackettouniversalactuatorbracket.

2. Verifythatactuatorbracketpivotholedimensionislocatedinthe

correctpositionseepage10fordimensions.

3. Tightenboltssecurely.

Install Linear Actuator to Actuator Bracket

Theactuatorcanbemountedintwodifferentpositionsasshown.Installingthe

actuatoronitssidecanallowforhidingitbehindacrossmemberinthegateframe.Thegatesbelow

areshownintheclosedposition.

1. Installnylonwashersandbronzebushingsintorearoflinearactuator.

2. Installthelinearactuatorintoactuatorbracket

3. Securethelinearactuatorinplaceusing3/8x21/2”shoulderboltand

two3/8SAEwashers.

4. Use3/8nylonlocknuttosecure,tightenrmly.

Actuator should swing freely, DO NOT OVER TIGHTEN!

CAUTION:Ifmountingactuatoronitsside,ensureactuatorcasedoes

notcomeincontactwithanyobjects.Mountasshownsothatwidepart

ofmotorcaseandcableisawayfromgate.

Actuator

Bracket

Pivot

Point

Predrilled

Hole

Install Gate Bracket to Linear Actuator

Installmanualreleasepin,gatebracketandmanual

releasecliptolinearactuatorextensionrodend.

Install Gate Bracket to Gate (Pull to Open Only)

To determine where the gate bracket will be installed follow these steps: The linear actuator

should be connected to the actuator bracket at this point. NOTE - The linear actuator was shipped

from the factory set to the fully retracted position.

1. Swinggatetothefullyopenposition.

2. Nowopengateanothercoupleofinches(thegatewillneveropen

morethanthisposition).Thegatecanbeadjustedlatertoopena

little less if needed.

3. Swinglinearactuatoraround(shouldswingfreely)inalevelposition

tomeetthefullyopengate.Thisiswhereyoushouldinstallthegate

bracketonthegate.

4. Markthelocationofthe1/4”holesforthemountingbracket.(see gure)

5. Removepinandclipfrombracket.

6. Attachbrackettogate(ifusingalightweighttubularfarmgateusegate

supportbracketforsupport).Usethe1/4”x21/2”or31/4”tapbolts

dependingongatethickness,four1/4”atwashersandtwo1/4”nylon

locknuts.Tightensecurely.

7. Attachactuatortothenowsecuredgatebracketusingmanualreleasepin

andclip.

8. Thegateshouldnowbefullyopenedwiththeactuatorattached.

9. Verifythatlinearactuatorislevelandallpieceshavebeen

installedcorrectly.

Installing Gate Bracket to Gate for Push to Open conﬁguration

ProcedureisidenticaltothestepsforPulltoOpenexceptthegatewillbeinthefullyclosedposition.

Forapushtoopenconguration,youwillneedtoreversetheoperatingdirectionforthegateonthe

controlboard.

Preparing Sentry Control Box

for Installation

Thecontrolboxhastwoholesinthebottomofthebox

providingaccesstothewirecompartment.Thelargehole

isfortheactuatorcableandthesmallerholeisforthe

chargedevicecable.

Installtheprovidedcableglandintothesmall

hole as shown here.

Cable

Gland

Install Sentry Control Box

Thecontrolboxshouldbeinstalledinalocationthatwillnotrequire

theeightfootlinearactuatorcabletobespliced.Ifthecablemustbe

spliced,refertothesplicinginstructionsbelow.Themostcommon

locationwouldbeonafenceorwalladjacenttoyourgate.Avoid

placingthecontrolboxbehindsolidmetalobjectsthatmightinterfere

withthereceiverreception.Theantennaforthereceiverislocated

insidethecontrolboxandthiscouldreducetheoperatingrange.

1. Usecontrolboxasatemplatetodetermineandmarkthemounting

screwlocationsusingthe4mountingholesshowningurehere.

2. DrillmountingholesforscrewsDONOTATTEMPTTO

HOLDTHECONTROLBOXINPLACEWHILEYOU

DRILLTHEMOUNTINGHOLES.Thiscoulddamage

thepreinstalledcomponents.

3. Attachthe4#12hexheadselftappingmetalscrews.

4. Mountthecontrolboxonthescrews.

Verify the structure the control box is mounted on is sufcient enough

to hold the control box and battery securely.

Splicing for Sentry 300 S Linear Actuator Cable (if needed)

TheSentrylinearactuatorcomeswith8feetofcable.Avoidsplicing

thiscableifpossible.Ifthecontrolboxmustbelocatedinsuchaway

thatsplicingisrequiredfollowtheguidelinesbelowtoavoidproblems.

Determinethelengthofadditionallinearactuatorcableneededand

eitherbuildityourselforvisitwww.sentrygateopener.comforordering

thelengthofextensioncableneeded.

1. Locatethelinearactuator8pinconnector.Measure18”from

connectorandmark.

2. Cutcableatthe18”mark.Thiswillallowenoughcabletobe

splicedandplacedinthewirecompartment.

3. Bringextensioncableintocontrolboxandsplice5wiresusingwirenuts.

4. Useapprovedweathertightelectricaljunctionboxforthesplicelocatedoutsidethecontrolbox.

5. Conduitshouldbeusedbetweenjunctionboxandcontrolbox.Controlboxknockoutisfor

1/2”conduit.

6. Theextensioncablemustconsistof5wires,2fourteengaugewiresand3eighteengaugewires.

•Redwirewithwhitestripe–14gauge(distanceaddedisgreaterthan50feetuse12gauge)

•Blackwirewithwhitestripe–14gauge(distanceaddedisgreaterthan50feetuse12gauge)

•Orangewire–18gauge(distanceaddedisgreaterthan50feetuse16gauge)

•Greenwire–18gauge(distanceaddedisgreaterthan50feetuse16gauge)

•Whitewire–18gauge(distanceaddedisgreaterthan50feetuse16gauge)

7. Withextensioncablenowinthejunctionboxstripandpreparetosplicetolinearactuatorcable.

8. Routelinearactuatorcableintojunctionboxandspliceusingwirenuts.

NOTE: Cable splice must be water tight to keep moisture away from splices and prevent problems

Mounting Holes 4 Places

14.25”

17.7”

11.7”

14.5”

Sentry Plug N Go Harness

ThePlugNGoHarnesscomespreinstalledandshouldbeplugged

intothebottomofthechargecontroller.Plugiscolorcoded.Red

connectstopositivebatterypostandBlackconnectstonegative

batterypost.Onceconnected,placeharnessintowirecompartmentto

prepareforbatteryinstallation.

Install Battery

BATTERY REQUIRED FOR OPERATION (Battery not included)

Recommendedbatterytype-12-volt,GroupU-1;sealed

(maintenancefree);30amphourminimum.Thisbatteryis

sometimesdescribedasanon-spillablelawntractorbattery.Battery

physicalsizemustnotexceed9”wide,7”talland53/4”deep.

ThePlugNGoharnesshastwo1/4”ringterminalstoconnectto

bolttypebatterypost.

CAUTION-Donotinstallwetcellbatteryintocontrolbox;thistype

ofbatteryusuallyhasremovablecapsusedforserviceandwillvent

corrosivefumesintocontrolbox.

1.Installthebatteryintothebatterycompartment.

2.ConnectOringterminalsfromharnesstothebattery.

NOTE: Redwiretopositivepostofbattery

 Blackwiretonegativepostofbattery

3.Tightentheboltssecurely(boltsshouldbesuppliedwiththebattery).

1/4” Ring terminal for battery

Red connects to positive battery post

Black connects to negative battery post

Charge controller connector

Gate 1 and Gate 2 linear

actuator power plugs

Install Charging System - AC or Solar

For AC Charge Option - Install Transformer

Supplied with opener

TheUSAutomatictransformer(PN520008)suppliedisalowvoltage

ULapprovedtransformerforthistypeofapplication.Thetransformeris

equippedwithaDCplugforeasyconnectiontothechargecontrollerand

caneasilyprovide575cyclesofoperationadaywithoutdecreasingthe

batterycharge.IntheeventACpowergoesouttheopenerwilloperate

forweeksonthebattery(ifcyclesperdayarebelow20)beforeneeding

service.Accessoriesconnectedtotheopenerarecritical.AlwaysuseSolar

Friendlyaccessoriestohelpavoidprematurebatteryfailureincasesof

poweroutages.TRANSFORMER MUST NOT GET WET.

1. Loosencableglandnutandroutethecablefromthechargedeviceinto

thecontrolbox(seegure).EnsurethatDCplugcanreachthecharge

controller“PowerIn”connector.

2. Tightencableglandnuttoholdcableinplace.

3. Connectthetransformertoanapprovedelectricalreceptacle.

NOTE: The 110 VAC receptacles should be installed by a qualied

electrician, per local building codes.

Ifreplacementbecomesnecessaryvisitwww.sentrygateopener.comtoorder,partnumber520008.

Failuretousethepropertransformercandamagethechargecontroller.

For Solar Charge Option - Install the Solar Panel

Optional Solar Panel Kit Part Number 520015 - not included

Thelocationofthesolarpaneliscriticalforproperbatterycharging.ThepanelneedstofaceaSouth

toSouthwestdirectionandbeinstalledattheangleofthesuppliedsolarpanelbracket.Forproper

operationthepanelmusthaveunobstructedsun.TheSolarPanelneedstobemountedsothatit

receivesfullsunlight.EvenasmallamountofshadeorblockagewillcausetheSolarPaneltocease

charging.SomethingastinyasangertipshadowwillaffecttheSolarPanel.

Optimizing Solar Panel Location

Thechargecontrollersensesthechargemethodinstalled(ACorSolar)

andchargesthebatteryattheoptimumchargerate.Thesolarpanel

outputsvoltageandcurrenttochargethebattery.Thisoutputvoltage

willvaryslightlyasthesunpassesoverthroughouttheday.Thecharge

controllercanbeusedtooptimizethisoutputvoltage.

• Tousethisfeatureidentifytimeofdayforthemaximumsolar

radiation(typicallyaround2pm).

• Facethepaneltowardthesunandobservethe“ExternalPower”

lightonthechargecontroller,adjustthepaneluntillightcomeson

andsecureinthatposition.

NOTE:Dependingonthetimeofyearandyourexactlocationtheoutputvoltagerequiredto

illuminate“ExternalPower”lightmaynotbepossible.Thisdoesnotindicateaproblem.Inthiscase

setpaneltofaceaSouthwestpositionandverify“SolarPower”lightison.Batteryisbeingcharged.

For additional information regarding Solar Charging, see Appendix A of this manual.

Cable Gland

Connect Charge Device to Charge Controller

(TransformerorSolarPanelKit)

TheSentrygateopenerchargecontrolleracceptsinputsfrom

eitherthesuppliedACtransformerortheoptionalsolarpanel.

ThetransformerandsolarpanelcomewithaDCplugforeasy

installation.Oncethechargedeviceisselectedandinstalled

connecttheDCplugintothechargecontroller“PowerIn”located

intheupperrightcornerofthechargecontroller.

If charge device cable needs to be extended to reach the

charge controller see appendix B of this manual.

Charge Controller Operation Check

Oncethechargedeviceispluggedintothechargecontrollerverifythefollowing:

Transformer:

1. Chargelightashesfor3secondsandgoesoff

2. Externalpoweranddetectionlightscomeon

3. Detectionlightstaysonfor3seconds,thencharginglightcomeson

Solar Panel:

1. Chargelightashesfor3secondsandgoesoff

2. Solarpoweranddetectionlightscomeon

3. Detectionlightstaysonfor3seconds,thencharginglightcomeson

IfExternalPowerorSolarPowerLEDisonandtheDetectionLEDison,thebatteryisnotconnected

tothecharger.VerifyRed/Blackconnectorsarepluggedintothebottomofthechargerasshown

above.

NOTE: Most batteries will not be completely charged when rst connected and the charging

light should come on when charge controller is rst connected. The fully charged light will

come on once battery is fully charged.

Whenusingasolarpanel,thechargecontrollerisdesignedtoonlychargethebatterywhenthere

isenoughsuntodoso.Ifthereisnosun,thelightsonthechargecontrollershouldbe“OFF”.This

featurereducesthedrainonthebatteryinsolarinstallations.Iftransformerisinstalledlightsare

operationalallthetime.

Charge Device

plugs in here

Install Linear Actuator Cable

Withthecontrolboxinstalledroutethelinearactuatorcableintothebottomofthecontrolboxusing

the11/4”holeintherearbottom.Slidetheholeplugthatisinstalledonthelinearactuatorcableinto

thecontrolboxholeandsnapinplace.

Ifcablelengthisexcessive,coilupandplaceinthewirecompartmentofcontrolbox.

EnsurethelengthallowsforconnectiontotheSentrycontrolboardGate1connector.

Sentry Plug N Go Harness Final Installation

At this point verify the following items have been completed:

3 Linearactuatorinstallationiscomplete.

3 Controlboxissecurelyinstalled.

3 PlugNGoharnessisconnectedtothechargecontroller.

3 PlugNGoharnessisconnectedtothebattery.

3 Batteryisinstalledinthebatterycompartmentofcontrolbox.

3 Chargedevicecableisroutedintocontrolboxandconnectedtothechargecontroller.

3 Linearactuatorcableisroutedintocontrolbox.

Verify the above items have been completed correctly before continuing. If necessary, correct

before proceeding. If completed, procede with the following steps:

1. Locatethepowerconnectorattachedtothelinearactuatorcable(redandblackwires).

2. ConnectittooneofthePlugNGoharnesslinearactuatorpowerplugs.Theseconnectorsare

designedsothatincorrectconnectionisnotpossibleanditdoesnotmatterwhichconnectoris

used.

3. Locatethelinearactuatorcable8pinplug.

4. ConnectittotheGate1connectorlocatedontheSentryControlboard.

5. Securelysnapinplace.

6. Onceallconnectionsaremadeplacewiresinwirecompartment.

NOTE: In case of an emergency,theGate1orGate2connectorcanberemovedatanytimefrom

controlboardtostopgatefrommoving.

This completes all cable connections and cable routing into

the control box.

Sentry Control Board Information

TheSentrycontrolboardiscapableofoperatingtwogates.Ifyourinstallationisasinglegateyoucan

operatethegateontheGate1orGate2connector.Setcontrolswitch“ON”fortheconnectorbeing

used.TheSentrygateopenerwasshippedwiththereceiverandentrapmentsirenalreadyconnected

tothecontrolboard;theseconnectionsareplugsthatcaneasilybedisconnected.

Sensitivity Adjustments and Entrapment Alarm

Gate1andGate2sensitivityadjustmentsarelocatedontheleftedge

ofthecontrolboard.

Sensitivityistheprimarysafetycontroldesignedintothecontrolboard.

Theadjustmentdialscontroltheamountofforcethegatecanapply

toanobjectbeforethegatewillstopandreversedirection.Ifthegate

sensesanobstructionitwillreversedirection.Ifitsensesasecond

obstructionbeforereachingthefullyopenorclosedpositionthegate

willshutdown.Theentrapmentalarmwhichispreinstalledinthe

controlboxwillsound.

Entrapmentalarmwillcontinue

for 5 minutes then shut off. The

entrapmentalarmcanberesetby

pressingthe“Reset”buttononthe

controlboard.

Iftwoobstructionsweredetected

andcontrolboardhasshutdown,

the“Reset”buttonwillhavetobe

pressedtore-activatetheopener.

Sensitivity Adjustments

Sentry Control Board

Reset Button

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USAutomatic SENTRY 300 S Installation guide

Brand: USAutomatic

Model: SENTRY 300 S

Category: Garage Door Opener

Type: Installation guide

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USAutomatic SENTRY 300 S Installation guide

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