
CACH/CAHH/CAHJ & CACH/CAHH/CAHK
Air Handlers
• Installation, Operation and Maintenance Manual •
P/N 240008108, Rev. G [07/08/10]
9
Mounting the Unit
(continued)
Blanking off
Th
e fascia discharge slot(s) will need blank-
ing off when ducts are used to channel the
conditioned air to other areas.
Position the two polystyrene blanking off
•
strips (provided) in the fascia discharge
slots to direct the air to the ducts.
Up to two non-adjacent sides may be
•
blanked off .
If the fascia discharge slot needs
blanking off —
Remove the inlet grilles and fi lters (see
1.
Figure 2, Page 9 ) and ( Figure 3, Page 9 ).
Once the grilles and fi lters are removed,
2.
turn the fascia over so the polystyrene
insulation is exposed ( Figure 4, Page 9 ).
Push one of the polystyrene blanking-off
3.
pieces into the recess in the polystyrene
fascia insulation.
Models 9–12 — one grille & one
Figure 2
fi lter
Model 24 — two hinged grilles
Figure 3
and two fi lters (Model 36, not
shown has three grilles and
three fi lters)
Hinge
H
Hi
H
Applying blanking-off pieces
Figure 4
Blanking-Off
Pieces