2-2. Outdoor Unit
AVOID:
●heat sources, exhaust fans, etc. (Fig. 4a)
●damp, humid or uneven locations.
DO:
Exhaust fan
Hot air
Heat source
Outdoor unit
●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. 5)
●use lug bolts or equal to bolt down unit, to reduce vibration and noise.
Fig. 4a
Min.Min.
1 inch
1 inch
Min. 4 inches
Min. 2 ft.
Fig. 4b
Air in 
Air discharge
Concrete block
4 inch ⋅ 1 ft. 4 inch beams or equal
Anchor bolts (4 pieces)
Fig. 5
Obstacle above
Min. 7 ft.
Air dis- charge
Ground
Air in
Min. 6 inch
4
