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2-2. Outdoor Unit
AVOID:
●
heat sources, exhaust fans, etc. (Fig. 4a)
●
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. 4b)
●
provide a solid base a minimum of 6 inches above
ground level to reduce humidity and protect the unit
against possible water damage and decreased service
life. (Fig. 4c)
●
use lug bolts or equal to bolt down unit, to reduce
vibration and noise.
2-3. Air Discharge Chamber for Top Discharge
Install the air-discharge chamber in the field when:
●
it is difficult to keep a space of minimum 2 ft. between
the air-discharge outlet and an obstacle.
●
the air-discharge outlet faces a sidewalk and dis-
charged hot air may disturb people passing by.
Refer to Fig. 5a.
Outdoor unit
Hot air
Heat source
Exhaust fan
Fig. 4a
Min.
1 in.
Min.
1 in.
Min. 2 ft.
Min. 4 inches
Min.
7 ft.
Obstacle above
Ground
Air
dis-
charge
Fig. 4b
Air in
Air in
Air
discharge
Concrete block
4 in. × 1 ft. 4 in.
beams or equal
Anchor bolts
(4 pieces)
Min. 6 in.
Fig. 4c
Fig. 5a
Air discharge