CACG/CAHG & CACH/CAHH
Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts
12
P/N 240008108, Rev. B [082509]
Mounting the Unit
(continued)
Mounting
Use the template (see
1.
Figure 6, Page 11)
to cut the ceiling opening and determin-
ing the rod positions.
Install hanger bolts using 3/8” (10mm)
2.
all-thread rod at the centers shown in
(Table 3, Page 11).
Prepare the installation guides by fold-
3.
ing the metal bracket by hand along the
perforations (Figure 7, Page 11).
Lift the cassette onto the hanging rods.
4.
Level at the correct distance from the ceil-
5.
ing with the aid of the installation guides
as shown in (Figure 8, Page 12).
Secure the unit in position with locknuts
6.
and washers on either side of the cassette
bracket.
Ensure threaded rod does not protrude
7.
more than 2” (51mm) below the mount-
ing bracket see (Figure 9, Page 12).
NOTICE
If the ceiling is not level or even, it is
important that the cassette is installed
level to ensure correct pump operation
and to maintain fan clearances.
Place a carpenter’s level on the unit.
A maximum slope of 1/8” (3mm) over
the length of the chassis toward the con-
densate drain is allowed.
Any slight discrepancy between the cas-
sette and ceiling will be taken up by the
fascia foam seal.
Positioning installation guides
Figure 8
Inner CAse
InsulAtIon
CAssette
CAse
Threaded rods must not pro-
Figure 9
trude more than 2 inches below
the mounting brackets
mAx
2”
(51mm)
