GTO GP-SW050 User Manual download pdf (Page 6)

Important Safety Instructions

IMPORTANT SAFETY INSTRUCTIONS Specic to Secondary

Means of Protection Against Entrapment

AsspeciedbyUnderwritersLaboratoriesInc.UL325(30A.1.1),automaticgateoperatorsshallhaveprovisions

for, or be supplied with, at least one independent primary and one independent secondary means to protect

against entrapment. GTO gate operators utilize Type A, an inherent entrapment sensing system, as the primary

type of entrapment protection. The GP-SW050 operators have provisions for the connection of Type B1, B2, or

D protection to be used as the secondary type of entrapment protection.

1.Forgateoperatorsutilizinganon-contactsensor(TypeB1)inaccordancewithUL325(51.8.4[h]):

 A. Refertothesensormanufacturer’s instructions on the placement of non-contact sensors for each type of

application.

 B. Careshallbeexercisedtoreducetheriskofnuisancetripping,suchaswhenavehicletripsthesensor

whilethegateisstillmoving.

 C. Oneormorenon-contactsensorsshallbelocatedwheretheriskofentrapmentorobstructionexists,

such as the perimeter reachable by a moving gate or barrier.

2.Forgateoperatorsutilizingacontactsensor(TypeB2)inaccordancewithUL325(51.8.4[i]):

 A. Oneormorecontactsensorsshallbelocatedattheleadingedge,trailingedge,andpostmountedboth

insideandoutsideofavehicularswinggatesystem.

 B. Ahardwiredcontactsensorshallbelocatedanditswiringarrangedsothatthecommunicationbetween

the sensor and the gate operator is not subjected to mechanical damage.

 C. Awirelesscontactsensorsuchasonethattransmitsradiofrequency(RF)signalstothegateoperator

forentrapment protection functions shall be located where the transmission of the signals are not

obstructedorimpededbybuildingstructures,naturallandscapingorsimilarobstruction.Awireless

contact sensor shall function under the intended end-use conditions.

3. For gate operators utilizing an actuating device requiring continuous pressure to maintain opening or

closingmotionofthegate(TypeD)inaccordancewithUL325(51.8.4[e]):

 A. Thegateoperatorcontrolsmustbeplacedsothattheuserhasfullviewofthegateareawhenthegate

is moving.

B. Warning signs (see page 6) shall be placed adjacent to the controls.

 C. Nootheractivationdeviceshallbeconnected.

ENTRAPMENT ALARM (UL 325; 30A.1.1A)

TheGP-SW050operatorsaredesignedtostopandreversefor2secondswhenthegatecomesincontact

withanobstructionorwhenanobjectactivatesthenon-contactsensors.Additionally,theseoperators

areequippedwithanaudio entrapment alarmwhichwillfunctioniftheunitobstructstwicewhile

openingorclosing.Thisalarmwillsoundforaperiodof5minutesoruntiltheoperatorreceivesan

intended signal (e.g., transmitter signal) and the gate returns to a fully open or fully closed position.

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GTO GP-SW050 User Manual Page 6