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DEH-41473
Appendix F. Exhaust Plenum System Details
General
The exhaust plenum system will be attached to the top of the
switchgear assembly (Figure 3.2 and Figure 3.3). The exhaust
plenum section above each stack of the equipment will match
the stack width of the equipment and be supplied with three
external flanges and one internal flange (Figure F.1).
An optional T-Section exhaust plenum (Figure F.2) may be
provided per the customer's requirements. The rear facing
flange of the exhaust plenum t-section is provided with four
external flanges.
NOTICE: Use of the exhaust t-section plenum will require
routing the exhaust plenum system over the top rear
section of the equipment stack which will limit the entrance
of power cables and/or busway from above.
An optional V-Section exhaust plenum (Figure F.3) may be
provided per the customer's requirements. The vertical facing
flange of the exhaust plenum v-section is provided with four
external flanges. The V-Section exhaust plenum is not
available for 22 inch wide stack widths.
The very left and right end of the exhaust plenum system is
provided with an exhaust plenum transition adapter which
has four external flanges (Figure F.4). The four sided external
flange pattern are used for all exhaust plenum connections
not directly above the equipment plenum flange.
Figure F.1 Exhaust plenum section
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Courtesy of NationalSwitchgear.com
AKD-20 AR / Entellisys AR Low-voltage Switchgear
Appendix F. Exhaust Plenum System Details
Figure F.2 Exhaust plenum t-section
Figure F.3 Exhaust plenum v-section
Figure F.4 Exhaust plenum transition adapter
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