Page 24 - IOM / Rooftop Smart and Linéa™ Range
INS
INS
INS
INS
INST
T
T
T
TALLA
ALLA
ALLA
ALLA
ALLATION
TION
TION
TION
TION
SUPPLY AND RETURN PLENUM*
IMPORTANT : Plenum system must be installed before unit
is set on mounting frame. Plenums must be constructed of
galvanized steel with coated fiberglass insulation applied to
the inside. It is recommended that 13 mm thick, 48kg/m
3
density fiberglass insulation be used.
155
0
155
0
406
53
3
1
2
533
76
2
38
1
2
However, if 24 kg/m
3
density insulation is used, it should be
secured with mechanical fasteners. Install plenums as shown
in figure 29.
1
Supply air plenum*
2
Return air plenum*
Figure 29
* : Plenum not supplied. Diagram for information only.
508
610
610
508
1
2
Figure 28
As required
As required
Insulated inside
of plenum
As required
As
required
1
Supply air plenum*
2
Return air plenum*
