19
7-2. 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.
●
allow enough room around the unit for air intake/
exhaust and possible maintenance. (Fig. 4a)
●
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. 4a)
●
install cushion rubber under unit’s feet to reduce
vibration and noise. (Fig. 4b)
●
use lug bolts or equal to bolt down unit, reducing
vibration and noise.
●
select a location where the operating noise and air
blowing from the outdoor unit will not disturb
neighbors.
●
select a location where the clearance indicated by
⇔
in the installation diagram is ensured for the
front, rear, left, and right of the main unit.
●
install so that the unit is level.
●
select a location that can fully support the weight of
the outdoor unit, and that will not magnify operating
noise or vibration.
(Fasten in place with the anchor bolts (M10).)
●
provide a base using concrete or similar material,
and ensure proper drainage.
●
select a location where there is no danger of
flammable gas leakage.
●
in snowy or rainy regions, be sure to construct a
roof to keep off the snow and rain, and inhibit
freezing and condensation.
●
select a location that is at least 3 meters away from
any antennas used for television, radio transceiver,
or other equipment.
●
for purposes of future service and repair, select a
location where the inspection panel can be removed.
●
select a location where the drain port will not be
obstructed.
Outdoor unit
Hot air
Heat source
Exhaust fan
NO
Fig. 3
Fig. 4a
Cushion rubber
Fig. 4b
Air intake
Min. 20 cm
Air discharge
Min.
10 cm
Min.
50 cm
Valve
side
Min.
25 cm
2 m
2 m
Min. 20 cm
Air intake
Ground
Obstacle
Obstacle above
Air discharge
Air intake
Concrete
or equal
About 15 cm
Min. 15 cm
Anchor bolts
(4 pcs.)
About 40 cm
Install the inter-unit cable more than 1 meter away
from any antenna or power lines or connecting wires
used for television, radio, telephone, security system,
or intercom. Electrical noise from any of these
sources may affect operation.
