USAutomatic SENTRY 300 S - Adjusting Gate 1 and Gate 2 Sensitivity; Extend and Retract Limit Adjustments

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Adjusting Gate 1 and Gate 2 Sensitivity
Sensitivityfactorysettingisonposition5.Thissettingwillworkwithmostgates.Adjustsothatwhen
gateisstoppedbyanobject,itstopsandreversesdirection.
Ifgatestopsandreversesfornoobviousreasonthenincreaseforcebyslightly
adjustingclockwise.
If force is set too sensitive false sensing may be observed.
IMPORTANT: If adjusting for a single gate, once adjustment for that gate is set, also set the
other sensitivity adjustment to the same setting. Adjusting both Gate 1 and Gate 2 sensitivity
adjustments to the same setting for a single gate installation will prevent the possibility of
false trigger and gate reversal.
Ifopenerisinstalledtoautocloseandthegatecurrentsenseswhenclosing,thegatewillreturnto
theopenpositionandnotautoclose.ThisisadesignedinsafetyfeaturerequiredbyUL325.The
transmittercanbeusedtoclosethegateandreturnopenerbacktonormaloperation.
Extend and Retract Limit Adjustments(Gateopenandclosestopposition)
Sentrycontrolboardlimitadjustmentsaresimpleandeasytouse.Controlboardhas4adjustment
dialsforadjustingthedesiredstoppositions(seegurebelow).
Ifopenerwasinstalledcorrectlywiththeactuatorintheretractedposition,theRetractlimitisalready
set.Youwillhavetoadjusttheextendpositionbyturningthe“Gate1ExtendLimitMoreorLess”
adjustmentuntilthegatereachesthedesiredposition.
Procedure for adjusting is as follows:
Turnthedialthatmatchesthegateactionyoudesire.Thencyclethegatetoseetheeffectthe
adjustmentmade.Forexample,iftheactuatorneedstoextendmorethenturnthe“Gate1Extend
Limit”adjustmentintheclockwisedirection.Thencyclegatetoseetheeffect.
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Close and Open Limit Adjustments
Extend Retract