5
2-2. Outdoor Unit
AVOID:
G
heat sources, exhaust fans, etc. (Fig. 3)
G
damp, humid or uneven locations.
DO:
G
choose a place as cool as possible.
G
choose a place that is well ventilated.
G
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)
G
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. (Figs. 5a and 5b)
O
u
tdoor
un
it
Hot air
Heat
s
o
u
rce
Exha
us
t fa
n
NO
Fig. 3
Air i
n
take
Mi
n
. 2" (5 cm)
Air di
s
char
g
e
Mi
n
.
2" (5 cm)
Mi
n
.
8
" (20 cm)
Valve
s
ide
Mi
n
. 10"
(25 cm)
Mi
n
.
7' (2 m)
Mi
n
.
7' (2 m)
Gro
un
d
Ob
s
tacle
Ob
s
tacle above
Air di
s
char
g
e
Mi
n
. 2" (5 cm)
Air i
n
take
Air i
n
take
Co
n
crete
or eq
u
al
Abo
u
t 4" (10 cm)
Mi
n
. 4" (10 cm)
A
n
chor bolt
s
(4 pc
s
.)
Abo
u
t 1
'4" (40 cm)
C
us
hio
n
r
u
bber
Fig. 5a
Drai
n
hole
s
CAUTION
A solid base must not cover
the hole of the bottom plate.
Fig. 4a
Air i
n
take
Mi
n
. 4" (10 cm)
Air di
s
char
g
e
Mi
n
.
2" (5 cm)
Mi
n
.
1'4" (40 cm)
Valve
s
ide
Mi
n
. 10"
(25 cm)
Mi
n
.
7' (2 m)
Mi
n
.
7' (2 m)
Gro
un
d
Ob
s
tacle
Ob
s
tacle above
Air di
s
char
g
e
Mi
n
. 4" (10 cm)
Air i
n
take
Fig. 4b
(CH1872)
(CH1271)
G
install cushion rubber under unit’s feet to reduce vibra-
tion and noise. (Fig. 5c)
G
use lug bolts or equal to bolt down unit, reducing vibra-
tion and noise.
G
install in a location where no antenna of a television or
radio exists within 10' (3 m).
Fig. 5b
Fig. 5c
08-193 XHS1271 9/12/08 2:58 PM Page 5
