LiftMaster SW470 SW490 GL BOARD Manual - Page 15
Wiring, Power Wiring Installation - reviews
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NG WWIARRI NNGING N WARNING To reduce the risk of SEVERE INJURY or DEATH: • DO NOT install any wiring or attempt to run the operator • ANY maintenance to the operator or in the area near the operator MUST not be performed until disconnecting the electrical power and locking-out the power via the operator without consulting the wiring diagram. We recommend that you Install an optional reversing edge BEFORE proceeding with the control station installation. power switch. Upon completion of maintenance the area • ALL power wiring should be on a dedicated circuit and well MUST be cleared and secured, at that time the unit may be protected. The location of the power disconnect should be returned to service. visible and clearly labeled. • Disconnecting power at the fuse box BEFORE proceeding. • ALL power and control wiring MUST be run in separate Operator MUST be properly grounded and connected in conduit. accordance with local electrical codes. NOTE: The operator should be on a separate fused line of adequate capacity. • BEFORE installing power wiring or control stations be sure to follow all specifications and warnings described below. Failure • ALL electrical connections MUST be made by a qualified to do so may result in SEVERE INJURY to persons and/or EMENTindividual. AVERTISdaSmEageMto EopeNratTor. ON POWER WIRING INSTALLATION AVERTISSEMENT Wiring Specifications (STRANDED COPPER WIRE) On a Dual Gate System, each unit must be installed on ITS OWN separate circuit. WIRE GAUGE 6 • 1/2 HP Motor ------• 3/4 HP Motor ------• 1 HP Motor --------- SINGLE PHASE 115 Vac 230 Vac 425 ft. (129.5 m) 1845 ft. (562.4 m) 291 ft. (88.7 m) 1107 ft. (337.4 m) 213 ft. (64.9 m) 852 ft. (259.7 m) 230 Vac THREE PHASE 460 Vac 575 Vac 2557 ft. (779.4 m) 12789 ft. (3898.1 m) 15987 ft. (4872.8 m) 1827 ft. (556.9 m) 6394 ft. (1948.9 m) 10657 ft. (3248.3 m) 1278 ft. (389.5 m) 5115 ft. (1559.1 m) 7993 ft. (2436.3 m) WIRE GAUGE 8 • 1/2 HP Motor ------• 3/4 HP Motor ------• 1 HP Motor --------- ENCIA 269 ft. (82 m) 183 ft. (55.8 m) 134 ft. (40.8 m) 1165 ft. (355.1 m) 1614 ft. (492 m) 8072 ft. (2460.4 m) 699 ft. (213.1 m) 1152 ft. (351.1 m) 4035 ft. (1229.9 m) 537 ft. (163.7 m) 807 ft. (246 m) 3228 ft. (983.9 m) ADVERTENCIA 10089 ft. (3075.1 m) 6726 ft. (2050.1 m) 5044 ft. (1537.4 m) IÓN WIRE GAUGE 10 • 1/2 HP Motor ------• 3/4 HP Motor ------• 1 HP Motor --------- 168 ft. (51.2 m) 115 ft. (35.1 m) 84 ft. (25.6 m) ADVERTENCIA 730 ft. (222.5 m) 1012 ft. (308.5 m) 5064 ft. (1543.5 m) 438 ft. (133.5 m) 723 ft. (220.4 m) 2532 ft. (771.8 m) 337 ft. (102.7 m) 506 ft. (154.2 m) 2025 ft. (617.2 m) 6330 ft. (1929.4 m) 4220 ft. (1286.3 m) 3165 ft. (964.7 m) WIRE GAUGE 12 • 1/2 HP Motor ------• 3/4 HP Motor ------• 1 HP Motor --------- 105 ft. (32 m) 72 ft. (22 m) 53 ft. (16.2 m) 458 ft. (139.6 m) 274 ft. (83.5 m) 211 ft. (64.3 m) 634 ft. (193.2 m) 503 ft. (153.3 m) 316 ft. (96.3 m) 3171 ft. (966.5 m) 1585 ft. (483.1 m) 1269 ft. (386.8 m) 3964 ft. (1208.2 m) 2643 ft. (805.6 m) 1982 ft. (604.1 m) NOTE: Calculated using NEC guidelines. Local codes and conditions must be reviewed for suitability of wire installation. All power wiring should be dedicated and protected. Location of primary power disconnect should be labeled. 15