MX4779 REV. A ©2019
SLIDESMART CNX 15 BASIC MANUAL
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19
Wiring 115VAC or 208/230VAC Power
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Verify AC power supply wires and low voltage
accessory wires run through separate conduits.
The input voltage to the AC power supply may
cause interference and anomalies in SmartCNX
operation if the high voltage wires are routed
through the same conduit as the low voltage
wires.
z
Maximum gate operator current draw is 7.5
Amps on a dedicated 115VAC circuit (20A
dedicated circuit is recommended).
z
Maximum gate operator current draw is 4
Amps on a dedicated 208/230VAC circuit (20A
dedicated circuit is recommended).
z
Make sure proper wire gauge is used for the
length of the wire run. The following tables show
the maximum allowable wire run from the power
source to the operator for various wire sizes.
WIRING AND POWER
Table 1. Wire Gauge versus Run
AC Power
14 gauge
wire
12 gauge
wire
10 gauge
wire
One
operator
115V
485 ft
(147 m)
775 ft
(236 m)
1235 ft
(376 m)
Two
operators
115V
242 ft
(73 m)
387 ft
(117 m)
617 ft
(188 m)
Table 2. Wire Gauge versus Run
AC Power
14 gauge
wire
12 gauge
wire
10 gauge
wire
One
operator
208/230V
1375 ft
(419 m)
2185 ft
(665 m)
3475 ft
(1059 m)
Two
operators
208/230V
687 ft
(209 m)
1092 ft
(332 m)
1737 ft
(529 m)
NOTICE
Table 1 and Table 2 assume a dedicated
circuit with an accessory power load up to
2A. Additional loads require that the wire size
be increased or the distance of the run be
decreased.
Figure 18. Voltage Switch Access
Figure 19. Voltage Switch Positions
Operators are factory set for incoming power of
115VAC. If 208/230VAC, change the voltage switch
on the power supply to 230VAC with a flathead
screwdriver (Figure 18 and Figure 19).