ASCO Series 300 Quick Connect Power Panel
381333-476 www.ascopower.com
5
Installation - Input Panels
This section is for Installation of Input Panels.
For Installation of Output Panels proceed to
Page 9.
Step 3: Wiring the Lug Terminals
Ensure circuit breakers are OFF and the transfer switch is
locked
out from utility power prior to connection.
Failure to install transfer switch will create the potential for
the
generator to energize utility lines and endanger utility
personnel.
Conversely, utility lines may energize the ASCO
Series 300 Quick Connect Power
Panel
and endanger
generator personnel.
The ASCO Series 300 Quick Connect Power Panel
is for use only for
connection of a generator to the
source terminals of a
transfer switch, such that the
inlets are only energized from
the generator.
1.
Pull the cables for the transfer switch to the ASCO
Series 300 Quick Connect Power
Panel
2.
Beginning with the ground, strip and install the cables
in the appropriate compression terminals
The terminals can accommodate #2 to 600MCM, Copper
wire only
3.
Tighten terminal screws to 375 lb-in torque each
4.
If metallic conduit is used, connect ground wire from
ground
bushing on conduit to the ground connection
point in the upper
right quadrant of the panel
5.
Ground conductor must be a minimum of #2 AWG
Conduit shall NOT be relied upon to provide grounding
protection to tap box
6.
Continue to connect the neutral and then the phases
7.
Vacuum entire upper chamber to ensure no metal
shavings are left
behind
Three phase power systems consist of three phase or hot
conductors that are shifted by 120 degrees. Three phase
loads such as motors may only work properly if the phases
are
connected in the correct order. Some motors may work
when
connected improperly, but will operate backwards.
Utility power
and electrical generators may be wired either
in a clockwise or counter-clockwise order. It is important that
any generator
connected to the ASCO Series 300 Quick
Connect Power Panel is connected in the same rotation
(clockwise or counter-clockwise) as the utility power.
Step 4: Determine Phase Rotation
This information will be needed when connecting a
generator
.
1.
Determine phase rotation of the utility power.
2.
Connect a phase rotation meter to a three phase power
source in
the building and record whether the building is
wired clockwise or
counter-clockwise
3.
Apply the provided label to the inside of the ASCO
Series 300 Quick Connect Power
Panel
on the inside of the
cam connection chamber door
. (Figure 4)
Figure 4
Place rotation label here
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