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IB00405002E
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Instructional Booklet
Effective: August 2007
Page
23
O & M Manual for the CHGENLC Automatic
Transfer Switch with ATC-100 Control
7.4.1.2 100 A Neutral Bar
Note:
The 100 A ground and neutral bars are the same. Refer to
Figure 28 for the correct location.
Figure 28.100 A Neutral Bar
Step 1:
Turn the utility (Source 1) power off and turn the genera-
tor (Source 2) control selector switch to the “OFF” posi-
tion before attempting to replace the neutral bar.
Step 2:
Disconnect all wire cables from the neutral bar.
Step 3:
If the neutral bar has been grounded, remove the 1.5 in.
screw that grounds the neutral bar to the base plate (see
Instruction Leaflet supplied with the grounding kit for
more information).
Step 4:
Remove the screw in the black base using a blade screw-
driver or 0.25 in. socket or nut driver. Remove the neu-
tral bar (see Figure 29)
Figure 29. Replacing the 100 A Neutral Bar.
Step 5:
Remove the screw securing the white wire to the neutral
bar using a blade screwdriver or 0.25 in. socket or nut
driver.
Step 6:
Attach the white wire to the new neutral bar using the
hardware supplied.
Step 7:
Mount the neutral bar to the base plate using the hard-
ware supplied.
Step 8:
If the neutral bar being replaced was grounded, use the
1.5 in. screw removed in Step 3 to ground the neutral bar
to the base plate (see Instruction Leaflet supplied with
the grounding kit for more information).
Step 9:
Reconnect all wire cables to the neutral bar.
Step 10:
Apply utility (Source 1) power and place the generator
control selector switch in the “AUTO” position after the
neutral bar has been replaced. Test the system for
proper functionality.
7.4.1.3 200 A Neutral Bar
Step 1:
Turn the utility (Source 1) power off and turn the gener-
ator (Source 2) control selector switch to the “OFF”
position before attempting to replace the SE neutral bar.
Step 2:
Disconnect all wire cables from the neutral bar.
Step 3:
Disconnect the flag from the wire terminal on the back
of the neutral bar (see Figure 30).
Step 4:
If the neutral bar has been grounded, remove the 10-32
× 0.625 in. screw that grounds the neutral bar to the
base plate. Also remove the 1/4-20 × 0.50 in. bolt
securing the copper connector to the bottom of the neu-
tral bar (see Instructional Leaflet supplied with the
grounding kit for more information).
Step 5:
Remove the two (2) screws securing the neutral bar
bracket to the base plate (see Figure 30) using a blade
screwdriver or 0.25 in. socket or nut driver. Remove
the neutral bar.
Figure 30. Replacing the 200 A Neutral Bar.
Step 6:
Secure the new neutral bar assembly to the base plate
using the hardware supplied.
Step 7:
If the neutral bar being replaced was grounded, use the
copper connector, 10-32 × 0.625 in. screw, and 1/4-
20 × 0.50 in. bolt removed in Step 4 to ground the
neutral bar to the base plate (see Instruction Leaflet
supplied with the grounding kit for more information).
Step 8:
Connect the flag to the wire terminal on the back of the
neutral bar.
Step 9:
Reconnect all wire cables to the neutral bar.
Step 10:
Apply utility (Source 1) power and place the generator
control selector switch in the “AUTO” position after the
SE neutral bar has been replaced. Test the system for
proper functionality.
NEUTRAL BAR
SCREW
FLAG
SCREWS