valutazioni - 3, GPA: 4.3
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Accessories ______________________________________________________________________ 23 3. Primary Voltage Circuit ____________________________________________________________ 23 4. Low Voltage Circuit _______________________________________________________________ 24 General Reference Information_________________________________________________________ 25 Doc 01-G0674 Rev E Contents Required Maintenance-Normal Usage_____________________________26_Toc509797299 BG770 Drawing and Parts List______________________________________________ 27 BG770 Exploded View _______________________________________________________________ 27 BG770 Parts List ____________________________________________________________________ 28 BG790 Drawing and Parts List______________________________________________ 29 BG790 Exploded View _______________________________________________________________ 29 BG790 Parts List ____________________________________________________________________ 30 01-G1014 Wiring Diagram _________________________________________________ 31 01-G1014 Field Wiring Diagram ____________________________________________ 32 01-G1015 Wiring Diagram _________________________________________________ 33 01-G1015 Field Wiring Diagram ____________________________________________ 34 Warranty Policy__________________________________________________________ 35 Doc 01-G0674 Rev E General Product Information 4 Doc 01-G0674 Rev E General Product Information Specifications Specifications are for both model BG770 and model BG790 unless otherwise noted. POWER Line voltage is designated by third suffix of gate part number. For amp draw, see motor nameplate. -11; 115VAC, 1 Phase, 60Hz -21; 230VAC, 1 Phase, 60Hz -81; 208VAC, 1 Phase, 60Hz -83; 208VAC, 3 Phase, 60Hz -23; 230VAC, 3 Phase. 60Hz -43; 460VAC, 3 Phase, 60Hz -53; 575VAC, 3 Phase, 60Hz MOTOR Squirrel cage induction type (3 phase) or capacitor start induction type (1 phase), continuous duty, 1725 RPM. Horsepower is designated by second suffix of operator part number. -50; 1/2 Horsepower OVERLOAD PROTECTION Automatic reset (3 phase operators) or manual reset (1 phase operators) thermal overload. ELECTRICAL BOX NEMA 1 general purpose painted steel enclosure, contains all motor control equipment. Enclosure removable from operator. CONTROL CIRCUIT Class II, 24VAC LIMIT SWITCHES Adjustable, driven limit switches, operate in class II circuit. Not affected by removal of motor. POWER ON/OFF SWTICH Enclosed toggle switch, HP rated. MODEL BG770 17. 17. Up to 12 ft. 35. 44. TYPICAL INSTALLATION DIMENSIONS 01-G0674F3 Figure 1 MODEL BG790 TYPICAL INSTALLATION DIMENSIONS 01-G0674F4 17. 17. 22. Counterweighted Wishbone Arm Up to 24 ft. 35. 44. Figure 2 General Product Information OPERATION Prewired terminal strip accepts field connection of any access control device with normally open (N.O.) output contact (most access control equipment) and when required, a separate OPEN/CLOSE pushbutton (supplied). Plug-in connectors are included for addition of a loop detector to open and/or a loop detector to hold open (not supplied). Activation of access device open button, or loop detector to open will raise gate. Gate will lower automatically unless hold open loop detector is activated or unless CLOSE button wiring has been made, in which case gate will remain open until CLOSE button is pushed. An optional timer will extend the time that the gate remains open. AUTO/MANUAL switch holds arm in vertical position. SPEED REDUCTION Wormgear-in-oil-bath, 60:1 ARM TYPE MODEL BG770: One piece type to 12 feet. MODEL BG790: Counterweighted wishbone type to 24 feet. ARM SPEED MODEL BG770: Opens in 4 seconds MODEL BG790: Opens in 11 seconds LUBRICATION Permanently lubricated bearings in motor. Low temperature gear oil normally never needs replacement. Gear oil is Mobil SHC 630 or equivalent. MOUNTING Pad mount ENCLOSURE Weatherproof, heavy gauge, pregalvanized steel, powdercoat finish, top and side access covers with key lock. Doc 01-G0674 Rev E Safety Instructions Safety Instructions WARNING To reduce the risk of injury or death, it is important to read all safety instructions. These safety instructions have been prepared by LiftMaster, the manufacturer of the barrier gate. As the manufacturer of only part of the total barrier gate system, we do not know what type of controls or safety equipment that has been selected as part of your system. An automatic vehicular gate arm is a large, heavy object that moves with the help of an electric motor. A moving gate arm can cause serious injury or death. Your safety and the safety of others depends on you reading, understanding, and following through on the safety instructions in this manual. It is important that both the installer and end users are aware of the hazards of your specific system. If you have any questions or doubts about the safety of your system, or if you do not completely understand everything in this manual, contact LiftMaster. Before Installation ! Installat...
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