S&C IntelliCap Plus, Installation Manual

Page: 12 / 32

12 S&C Instruction Sheet 1023-510
STEP 2.
Connect ground lug on the bottom of the control.
Use the ground lug on the bottom of the control enclosure to ground the enclosure.
See Figures 11 and 12. The ground lug will accommodate up to #2 copper or
aluminum, solid or stranded wire. Ground impedance must be 25 ohms or less to
properly protect the equipment.
WARNING
The control must be properly grounded . You must read and understand all applicable
grounding codes and requirements for your service area before installing this device .
An ungrounded control may have potentially lethal voltage present .
Figure 11. Ground lug on the bottom of the enclosure.
Neutral current/
neutral voltage
lockout
indicator LED
(optional)
Sensor input
connectors
Ground lug Temperature
sensor
Figure 12. Grounding the IntelliCap Plus enclosure.
Single-phase
voltage
transformer
Capacitor
bank switch
Neutral
sensor
Switch close/
open cable
Neutral sensor to
junction box cable
Junction box to
control cable
VT sensing /
power cable
Common neutral
Single-phase
current sensor
Current sensor to
junction box cable
S&C IntelliCap Plus
Automatic Capacitor Control
Cap bank connection
to common neutral
Current sensor
ground
Junction
box
Ground lug
Installing the Capacitor Control