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2-2. Outdoor Unit
AVOID:
heat sources, exhaust fans, etc. (Fig. 3)
damp, humid or uneven locations.
DO:
choose a place as cool as possible.
choose a place that is well ventilated.
install in a location where at least two sides are unob-
structed, so that the flow of air at the intake port or
exhaust port is not blocked, and so that sufficient
space is ensured for maintenance to be carried out
without trouble. In general the top also must be unob-
structed. (Figs. 4a and 4b)
provide a solid base (level concrete pad, concrete
block, 4" 1'4" (10 40 cm) beams or equal), a mini-
mum of 4" (10 cm) above ground level to reduce
humidity and protect the unit against possible water
damage and decreased service life. (Fig. 5a)
install cushion rubber under unit’s feet to reduce
vibration and noise. (Fig. 5b)
use lug bolts or equal to bolt down unit, reducing
vibration and noise.
install in a location where no antenna of a television
or radio exists within 10' (3 m).
Outdoor unit
Hot air
Heat source
Exhaust fan
NO
Fig. 3
Air intake Min. 2" (5 cm)
Air discharge
Min.
2" (5 cm)
Min.
8" (20 cm)
Valve
side
Min. 10"
(25 cm)
Min.
7' (2 m)
Min.
7' (2 m)
Ground
Obstacle
Obstacle above
Air discharge
Min. 2" (5 cm)
Air intake
Air intake
Concrete
or equal
About 4" (10 cm)
Min. 4" (10 cm)
Anchor bolts
(4 pcs.)
About 1'4" (40 cm)
Cushion rubber
Fig. 4a
Air intake Min. 4" (10 cm)
Air discharge
Min.
2" (5 cm)
Min.
1'4" (40 cm)
Valve
side
Min. 10"
(25 cm)
Min.
7' (2 m)
Min.
7' (2 m)
Ground
Obstacle
Obstacle above
Air discharge
Min. 4" (10 cm)
Air intake
Fig. 4b
(CU-KS18NKU, CU-KS18NKUA)
(CU-KS12NK1A)
Fig. 5a Fig. 5b