Install Power Wiring & Control Station; Wiring Specifications - Chamberlain LiftMaster Professional SL540 Manual

I N S T A L L P O W E R W I R I N G & C O N T R O L S T A T I O N
WARNING
WARNING
ANY maintenance to the operator or in the area near the operator
MUST not be performed until DISCONNECTING the electrical power
WARNING
CAUTION
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.
WARNING
BEFORE installing power wiring or control stations be sure to follow
all specifications and warnings described below. Failure to do so may
CAUTION
result in SEVERE INJURY to persons and/or damage to operator.
POWER WIRING INSTALLATION
Wiring Specifications (STRANDED COPPER WIRE)
On a Dual Gate System, each unit must be installed on ITS OWN separate circuits
WIRE GAUGE 6
" 1/3 HP Motor ––––––––
" 1/2 HP Motor ––––––––
" 3/4 HP Motor ––––––––
" 1 HP Motor ––––––––––
WIRE GAUGE 8
" 1/3 HP Motor ––––––––
" 1/2 HP Motor ––––––––
" 3/4 HP Motor ––––––––
" 1 HP Motor ––––––––––
WIRE GAUGE 10
" 1/3 HP Motor ––––––––
" 1/2 HP Motor ––––––––
" 3/4 HP Motor ––––––––
" 1 HP Motor ––––––––––
WIRE GAUGE 12
" 1/3 HP Motor ––––––––
" 1/2 HP Motor ––––––––
" 3/4 HP Motor ––––––––
" 1 HP Motor ––––––––––
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 S P E C I F I C A T I O N S
SINGLE PHASE
115 Vac 230 Vac
615 ft. 2769 ft.
425 ft. 1845 ft.
291 ft. 1107 ft.
213 ft. 852 ft.
388 ft. 1747 ft.
269 ft. 1165 ft.
183 ft. 699 ft.
134 ft. 537 ft.
243 ft. 1096 ft.
168 ft. 730 ft.
115 ft. 438 ft.
84 ft. 337 ft.
170 ft. 686 ft.
105 ft. 458 ft.
72 ft. 274 ft.
53 ft. 211 ft.
14
WARNING
DISCONNECT power at the fuse box BEFORE proceeding.
Operator MUST be properly grounded and connected in accordance WARNING
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.
WARNING
DO NOT install any wiring or attempt to run the operator without
consulting the wiring diagram. We recommend that you install an
CAUTION
optional reversing edge BEFORE proceeding with the control station
installation.
THREE PHASE
230 Vac 460 Vac
4263 ft. 12789 ft.
2557 ft. 12789 ft.
1827 ft. 6394 ft.
1278 ft. 5115 ft.
2671 ft. 8072 ft.
1614 ft. 8072 ft.
1152 ft. 4035 ft.
807 ft. 3228 ft.
1688 ft. 5064 ft.
1012 ft. 5064 ft.
723 ft. 2532 ft.
506 ft. 2025 ft.
1057 ft. 3171 ft.
634 ft. 3171 ft.
503 ft. 1585 ft.
316 ft. 1269 ft.
WARNING
WARNING
575 Vac
31974 ft.
15987 ft.
10657 ft.
7993 ft.
20179 ft.
10089 ft.
6726 ft.
5044 ft.
12661 ft.
6330 ft.
4220 ft.
3165 ft.
7929 ft.
3964 ft.
2643 ft.
1982 ft.