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4
1397 Enhanced Field Supply Card
Installation, Cont'd
❏ 4b For 40-75HP/230V
75-150HP/460V drives
with an AC line disconnect
switch, both the disconnect
switch and disconnect
panel must be removed.
To remove the disconnect
switch from the disconnect
panel:
• Remove the (3) bus bar
1
/
" (250A disconnect) or
4
3
/
" (400A disconnect)
8
fasteners.
• Remove the (4) AC line
disconnect mounting
screws.
To remove the disconnect
panel:
• Remove the (2)
disconnect panel tab
screws to free the tabs.
• Remove the top and
bottom disconnect
retaining screws.
• Loosen the middle
disconnect panel
retaining screw to slide
out the disconnect panel
for removal.
1397-5.24 March, 2005
&
40-75 HP/230V and 75-150 HP/460V Drives
45
A1
GRD
with AC Line Disconnect
Disc.
Panel
Tab
45
A1
Screw
GRD
Disc.
Panel
Tab
Screw
40-75 HP/230V and 75-150 HP/460V Drives
with AC Line Disconnect Removed
AC
AC
Line Disc.
Line Disc.
Mounting
Mounting
Screw
Screw
81
82
83
A1
ON
AC
AC
OFF
Line Disc.
Line Disc.
Mounting
Mounting
Screw
Screw
SET AT "2"
47
Bus Bar
Bus Bar
Fastener
Fastener
Bus Bar
Fastener
Disc.
Panel
Retaining
Screw
81
82
83
Disc.
Panel
Retaining
Screw
Disc.
Panel
Retaining
Screw
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