CACG/CAHG/CAHJ & CACH/CAHH/CAHK
Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts
12
P/N 240008108, Rev. G [07/08/10]
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 cassett e 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 cassett e
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 cassett e 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-
sett e 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
MAX
2”
2”
(51mm)
(51mm)