Installation guide

Figure 27
JDownflow Return AirConfigurations and Restrictions
/ (17 RETURN
AIR
......................._////i ......................... SIDE RETURN
NOT PERMI]qED
FOR ANY MODEL
SIDE RETURN
NOT PERMITTED
FOR ANY MODEL
O
®
®
i s_LY L,OFO33
Upflow Return Air Configurations
Figure 28 and Restrictions
SUPPLY _"
............._iR//L ....................
RETURN
AIR
® ®
® ®
®
RETURN
AIR
RETURN I UPFLOW
AIR C!) RETURN AIR
RESTRICTIONS L10F032
IHorizontal Return Air
Figure 29 Configurations and Restrictions
HORIZONTAL TOP
RETURN NOT
PERMITTED FOR
ANY MODEL
RETURN
AIR
)
0
SUPPLY
AIR
24
* NOTE:RESTRICTION SAME FOR HORIZONAL
HORIZONAL LEFT RETURN AIR
RESTRICTIONS
RETURN
AIR
SIDE RETURN AIR NOT PERMITTED FOR 2000 CFM AND ABOVE OF AIR
FLOW L10F034
External Filter Cabinet Configurations
Figure 30 ]Accessory Side Filter Rack
_1..=_ _" ½"
1 //(1 cm)(1.3
I.,=_(3 cm)
-'1 | tTYP/// TABS
!
i........................ i ' !
r_ ,,q
t r_ (3 16 }
cm)
I
I II= 23 _" _
17 _'! (59 cm)
(43.5 cm)
IL OPENING
L10F027
23A,,
/ (6_m)
L12F023
440 01 4201 03 Specifications subject to change without notice. 25