ENCLOSURE PREPARATION
Proper Clearances
• Maintain minimum clearance of 6 inches, (152 mm)
[models 18 & 24] between enclosure and chassis for
proper air flow and sound levels.
• Maintain minimum of 6 inches (152 mm) on both sides
and front for non-ducted return air applications only for
service.
• Ducted return air applications require minimal spacing
for service requirements.
Platform
If platform is used, height must make bottom of RQTH
chassis flush with bottom inside edge of wall sleeve.
Air filter
All models must have air filter installed prior to operation.
Use chassis-mounted air filter provided. For optional
return air access panel, remove and discard filter from
unit and install access panel with supplied filter in place.
12.00 Height
Off The Floor
29
1
8"
45
5
8"
12.00
Min
Distance
to interior
Walls
A
A
4
3
16"
12
1
4"
SECTION A-A
Drain Hole or Slot
to Accomodate
1-1/2" Pipe
Figure 4 - Minimum Clearances
Figure 5 - Filter Placement
Figure 6 - Filter Dimensions
16 X 25 X 1
16” x 25” x 1”
Made in USA 9
PN 240010236 REV. D [12/15/2018]
