CACG/CAHG & CACH/CAHH
Air Handlers
• Installation, Operation and Maintenance Manual •
Comfort where it counts
8
P/N 240007756, Rev. A [051509]
Mounting the Unit
Before installing, consider:
Determine the best location for mounting
•
the unit for room air circulation.
Locate outdoor and indoor units as close
•
together as possible.
Determine how power wire (high and
•
low-voltage) condensate drainage, and
refrigerant piping may be run to and from
the unit.
Ensure that interconnect tubing is within
•
the limits given in Table 1.
Tubing specifications
Table 1
S1CG
or
S2CG
Model
Max.
Length
Max.
Lift
Max.
Trap
Height
Liquid
Line
Suction
Line
“H”
“P”
O.D.
O.D.
09
50’
(15 m)
20’
(6 m)
15’
(5 m)
1/4"
1/2"
12
1/4"
1/2"
18
100’
(30 m)
35’
(11 m)
20’
(6 m)
3/8"
5/8"
24
3/8"
3/4"
30
3/8"
3/4"
36
3/8"
3/4"
NOTICE
Piping may be roughed in before wall-
board or panels are placed in new con-
struction. PVC pipe (3” or 4” I.D.) may
be used as a pipe chase.
Unpacking
The Cassette fascia and main chassis are pack-
aged together for increased protection.
Remove the banding straps and lift the
1.
cardboard lid.
Fascia is packed in bubble wrap and on
2.
top of the chassis (fascia is not attached
to the chassis for shipping).
Cardboard template is between the chas-
3.
sis and the fascia.
NOTICE
Do not throw template away with pack-
aging
Lift the fascia and template from the box
4.
and set aside.
Remove the cassette chassis from the
5.
box utilizing the four corner brackets
for lifting.
WARNING
Do not use the drain or refrigerant con-
nections for lifting.
In order to protect the fascia from dirt and
6.
damage, it should be returned to the box
until it is ready to be installed.
NOTICE
Do not throw away the two polystyrene
blanking-off pieces with packaging
