Potterton Promax FSB 30 HE Installation & Service Instructions Manual page 28

9.0 Plume Displacement
Plume Outlet
9.3 General Fitting Notes - P.D.K. (cont.)
Elbow
16. For aesthetic purposes it is permissible to route the
70Ø exhaust in an enclosed box, but the air inlet and
plume outlet MUST remain in free air.
17. It is also possible to separate the plume outlet from
the 93° elbow to allow the flue to be installed as shown
in Fig. H.
18. When the plume outlet is positioned under a balcony
or other projection (Figs. I & J) it must protrude at least
Fig. H
200mm (it is not necessary to extend it further than this).
200mm Min.
Fig. I
200mm Min.
Fig. J
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© Baxi Heating UK Limited 2010