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Module and work towards the bottom of the frame. This will allow for easy
access into the frame during future expansion or repair. All load cables should
be formed towards the rear, then upward (top fed) or downward (bottom fed) to
exit the top or bottom of the frame.
The distribution of the AP6C75AA Helios Candeo power system being
modular, many configurations of Distribution Modules are possible. Procedure
4.5 and Figure 4.10 to Figure 4.14 are therefore generic and should be adapted
to suit the Distribution Module configuration of your specific power system.
The single load clip can accommodate single-pole circuit breakers in sizes from
1 to 60 A, while the double load clip can accommodate single-pole circuit
breakers in sizes from 65 to 100 A or 150 A double-pole circuit breakers. Note
that when 150 A circuit breakers are used, there shall be one empty space
between adjacent load clip/circuit breaker assemblies.
Note:
Do NOT mix standard trip and mid-trip circuit breakers within the
same Distribution Module.
The single load clip can accommodate lugs for cable sizes up to 2/0, while the
double load clip can accommodate lugs for cable sizes up to 4/0. For loads
using only one cable up to size 2/0 on a single load clip or 4/0 on a double load
clip, this single cable is connected directly to the load clip. For loads requiring
cables larger than 2/0 on a single load clip or 4/0 on a double load clip, a 2/0 or
4/0 riser must be connected directly to the load clip, brought out of the frame,
and tapped to the appropriate size cable(s) above or below the power system as
shown in Figure 4.15.
The holes battery return (BR) busbar can accommodate lugs using 1/4" bolts at
5/8" c-c, which is sufficient for cable sizes up to 2/0. For battery return cables
larger than 2/0, a special angle bracket must be installed on the battery return
(BR) busbar in order to accommodate the lugs for cable sizes up to 4/0. For
loads requiring cables larger than 4/0, a 4/0 riser must also be connected to the
copper angle bracket, brought out of the frame, and tapped to the appropriate
size cable(s) above or below the power system as shown in Figure 4.15.
Connect the distribution loads as described in Procedure 4.5 and as shown in
Figure 4.10 to Figure 4.15. The method is the same whether the system is top
fed or bottom fed. Refer to the rightmost column of Table 4.4 for the lugs that
fit the single and double load clips respectively.
Note 1:
The front cover of the Distribution Modules can be removed
completely to facilitate cabling and connecting operations.
Note 2:
The hinged cover of the individual double load clips can also be
removed completely to facilitate cabling and connecting operations.
Helios Candeo Power System – AP6C75AA Installation Manual
Cabling and connecting 57
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