Schneider Electric E4800 User Manual
PowerLogic
TM
EM4800 Series
930-110-01-B.00
Installation
04/2011
© 201
Schneider Electric All Rights Reserved
14
To install the control voltage cable in a 208Y/120V or 120/240V application:
NOTE: If the circuit breaker panel does not designate phase A,
phase B and phase C feeds, make your own designation and use it for
the rest of the installation.
phase B and phase C feeds, make your own designation and use it for
the rest of the installation.
1.
Before connecting the sense voltages, turn off the power to the circuit
being connected.
being connected.
2.
Always use a properly rated voltage sensing device to confirm power is
off.
off.
3.
Connect the sense voltages phase A, B, C, and N leads from the
voltage disconnect to the meter as described in Figure 6 on page 15
and Figure 7 on page 16.
voltage disconnect to the meter as described in Figure 6 on page 15
and Figure 7 on page 16.
NOTE: The phase wiring sequence A, B, C between the PowerLogic
EM4800 meter and the panel must match or the measurement
readings will be wrong.
EM4800 meter and the panel must match or the measurement
readings will be wrong.
4.
If more than one meter is being installed, repeat this procedure for each
additional meter.
additional meter.
DANGER
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH
•
Apply appropriate personal protective equipment (PPE) and follow
safe electrical work practices. See NFPA 70E.
safe electrical work practices. See NFPA 70E.
•
This equipment must only be installed and serviced by qualified
electrical personnel.
electrical personnel.
•
Turn off all power supplying this equipment before working on or
inside equipment.
inside equipment.
•
Always use a properly rated voltage sensing device to confirm
power is off.
power is off.
•
Replace all devices, doors and covers before turning on power to
this equipment.
this equipment.
•
The meters must be connected to the sense voltage and control
voltage through a properly rated voltage disconnect (not shown in
the wiring diagrams).
voltage through a properly rated voltage disconnect (not shown in
the wiring diagrams).
Failure to follow these instructions will result in death or serious
injury.
injury.