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46
Unit Options
0 - 25% fresh air hood
The 0-25% fresh air hood allows to
introduce fresh air into the unit.
This is a manual device fitted on the
back of the unit, sized for a
maximum of 25% of the nominal
rooftop air flow.
Figure 28 - 0-25% manual fresh air hood
1 = Intake hood
2 = Wire mesh
3 = Slidable damper
This option includes for the hood
itself, a wire mesh and a slidable
damper.
The slidable damper has to be
adjusted manually by removing the
screws and sliding it off up or down
(Figure 28).
The amount of fresh air introduced
is then permanently fixed.
3
2
1
RT-SVX20A-E4
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