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2-3. Outdoor Unit
AVOID:
● heat sources, exhaust fans, etc. (Fig. 5a)
● damp, humid or uneven locations.
DO:
● position the outdoor unit in a protected location
where snow will not blow into it.
● 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 unobstructed.
(Fig. 5b)
● provide a solid base (level concrete pad, concrete
block, 15 × 40 cm beams or equal), a minimum of
15 cm above ground level to reduce humidity and
protect the unit against possible water damage and
decreased service life. (Fig. 5c)
● install cushion rubber under unit’s feet to reduce
vibration and noise. (Fig. 5d)
● 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 3 meters.
Outdoor unit
Hot air
Heat source
Exhaust fan
NO
Fig. 5a
Fig. 5b
Fig. 5c
Air intake Min. 20 cm
Air discharge
Min.
10 cm
Min.
50 cm
Valve
side
Min.
25 cm
Min.
2 m
Min.
2 m
Ground
Obstacle
Obstacle above
Air discharge
Min. 20 cm
Air intake
Air intake
Concrete
or equal
About 15 cm
Min. 15 cm
Anchor bolts
(4 pcs.)
About 40 cm
Fig. 5d
Cushion rubber
08-253 CMRV3146EH_OU EN 10/14/08 2:39 PM Page 10