1:1 Isolation
Transformer
CL-7 Control Panel
120 V External
Source
Neutral connected to ground
at panel to shunt HV to
LV faults/leakage to Earth
Ground. Can't be removed.
Earth Ground not
carried to panel.
To assure isolation from Earth Ground
check continuity of each of the leads of
the isolation transformer to G before
connecting leads to control panel.
Core may or may
not be tied to Earth
Figure 2 . 120 Vac application with Eaton's Cooper Power series 120 V Control—Option 1
1:1 Isolation
Transformer
Core may or may
not be tied to Earth
To assure isolation from Earth
Ground check continuity of each of
the leads of the isolation transformer
to G before connecting leads to
control panel.
CL-7 Control Panel
Neutral connected to ground at panel
to shunt HV to LV faults/leakage to
Earth Ground. Can't be removed.
120 V External
Source
Figure 3 . 120 Vac application with Eaton's Cooper Power series 120 V Control—Option 2
5
INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONS
MN225003EN April 2018
CL-7 Voltage Regulator Control