User manual CHAMBERLAIN BG790

[. . . ] OWNER'S MANUAL MODELS BG770 & BG790 V E H I C U L A R B A R R I E R G AT E O P E R AT O R MODELS BG770 AND BG790 ARE FOR VEHICULAR PASSAGE GATES ONLY AND ARE NOT INTENDED FOR PEDESTRIAN PASSAGE GATE USE TABLE OF CONTENTS SPECIFICATIONS Operator Specifications . . 3 IMPORTANT NOTES · BEFORE attempting to install, operate or maintain the operator, you MUST read and fully understand this manual and follow all safety instructions. · These instructions are intended to highlight certain safety related issues. Because each application is unique, it is the responsibility of the purchaser, designer, installer and end user to ensure that the total gate system is safe for its intended use. OPERATOR WARNINGS Safety Installation Information . [. . . ] If the arm is not level, loosen the jam nuts on both the top and bottom end of the turnbuckle shaft. Rotate the shaft either clockwise or counterclockwise as necessary until the gate arm is in the desired horizontal position. NOTE: While the arm is raising, the upper and lower cranks should travel toward the side access cover. WARNING CAUTION Turn off power BEFORE making ANY adjustments. Figure 9 Pivot Arm Jam Nut Pulley AVERTISSEMENT Crank Arm Turnbuckle Shaft ATTENTION Figure 10 Figure 11 Jam Nut ADVERTENCIA Turnbuckle Shaft Upper Crank Arm in Closed Position PRECAUCIÓN Lower Crank Arm in Closed Position See Note Pulley 10 I N S TA L L AT I O N LIMIT SWITCH ADJUSTMENTS CLOSE LIMIT SWITCH The CLOSE limit switch is preset at the factory. If you rotated the pulley in section Arm and Turnbuckle Shaft Adjustments, you will need to reset the cam on the CLOSE limit switch. Then rotate the cam in the close direction so that the switch is activated when the gate arm is in its lowest position (Figure 12). This adjustment may have to be fine tuned after turning on power and running the unit for the first time. AUXILIARY CLOSE LIMIT SWITCH The AUXILIARY CLOSE limit switch is preset at the factory. If you made an adjustment to the CLOSE cam, you will need to adjust the cam on the AUXILIARY CLOSE limit switch also. When the gate arm is on its down travel, the AUXILIARY CLOSE switch will activate just before the CLOSE switch. This setting may have to be fine tuned after running the unit for the first time. Loosen the OPEN cam and rotate in the open direction until the switch is activated (Figure 12). Figure 12 Open Limit Switch Close Limit Switch Auxiliary Close Limit Switch OPEN Direction CLOSE Direction 11 O P T I O N A L A C C E S S O R I E SWARNING VEHICLE DETECTORS Almost all types of vehicle detectors may be used in conjunction with both model BG770 and BG790. More than one detector may be connected to the gate, and may be mounted inside of the cabinet. Connect the detector(s) according to the instructions on the wiring diagrams supplied with the gate and with the detector itself. FACTORY SUPPLIED PLUG-IN DETECTORS LiftMaster P/N 71-416-7NH = 24V PLEASE NOTE: Previous models used 115V detectors (P/N 71-416-3NH). Snap the detector onto one set of the four board mount standoffs located on the inside of the electrical cabinet. Connect the two loop wires to terminals P1 and P2 as shown on the wiring diagram. Snap the detector onto one set of the four board mount standoffs located on the inside of the electrical cabinet. Connect the loop wires to terminals P3 and P4 as shown on the wiring diagram. CAUTION Turn off power BEFORE working inside gate enclosure. CARD READERS, KEYPADS OR OTHER Almost all types of access control devices may be connected to models BG770 and BG790. All devices connected according to the instructions below will open the gate and reverse the gate if it is closing. AVERTISSEMENT ATTENTION MOUNTING LOCATION Mount or install the access control device within sight of the gate and according to the instructions supplied with the device. Use either direct line voltage (115V or 230V) or other external power source as required by the particular device. NOTE: Most access control devices have an isolated, normally open output contact to connect to the gate. [. . . ] IT WILL NOT STOP OR CLOSE THE GATE. LOOP WIRES AND POWER FOR LOOP DETECTORS SHOULD BE DIRECTLY WIRED TO DETECTOR ITSELF. REFER TO INSTRUCTIONS ACCOMPANYING DETECTOR. NOTES: 1) REMOVE THIS JUMPER TO CAUSE GATE ARM TO CLOSE IMMEDIATELY WHENEVER IT IS OPENED, UNLESS A VEHICLE IS ON THE HOLD OPEN LOOP. IF THIS JUMPER IS NOT REMOVED, ARM WILL REMAIN OPEN UNTIL A VEHICLE ENTERS AND EXITS THE HOLD OPEN LOOP. POWER LINES MUST BE CONNECTED TO THE POWER SWITCH. 23 WARRANTY POLICY AND SERVICE LIFTMASTER® ONE YEAR LIMITED WARRANTY The Chamberlain Group, Inc. [. . . ]