Product Manual

TP-6946 3/1656 Section 6 Operation
6.5 Control Circuit Isolation
Switch
The two-position control circuit isolation switch removes
utility power from the ATS controller assembly.
Perform the service disconnect procedure explained in
Section 6.3 or 6.4 before operating the control circuit
isolation switch. Review the notes and precautions in
Section 6.3 or 6.4 before proceeding.
See Figure 6-7 for switch positions. The control circuit
isolation switch is mounted on the transformer
assembly. See Figure 6-8. The location of the
transformer assembly varies with ATS model and
enclosure size. See Figure 6-9 and Figure 6-10 for
typical locations.
Switch Position Utility Power to Controller
ON Connected
OFF Disconnected
Figure 6-7 Control Circuit Isolation Switch Positions
GM69797
1
1. Control circuit isolation switch
Figure 6-8 Control Circuit Isolation Switch Location
on a Typical Transformer Assembly
1. Control circuit isolation switch (on transformer assembly)
ADV-8612
Right Side View
1
Figure 6-9 Control Circuit Isolation Switch
Location, MCCB Models (typical)
1. Control circuit isolation switch (on transformer assembly)
ADV-8618
Right Side View
1
Figure 6-10 Control Circuit Isolation Switch
Location, ICCB Models (typical)