Chamberlain LIFTMASTER PROFESSIONAL SW470 - Manual (Page 15)

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