1. Specifications
Outdoor Unit
AVOID:
heat sources, exhaust fans, etc. (Fig.
damp, humid or uneven locations
DO:
choose a place as cool as possible.
choose a place that is well ventilated and outside air temperature does not exceed maximum 115°F constantly.
allow enough room around the unit for air intake/ exhaust and possible maintenance. (Fig.
use lug bolts or equal to bolt down unit, reducing vibration and noise.
if cooling operation is to be used when the outdoor air temperature is 23°F or below, install a duct on the outdoor unit.
Installation space
Distance between obstructions and the unit air inlet and outlet must be as shown below.
*3
Inlet side C
More than 25/64" | More than 25/64" |
*2 
*4
Outlet side
More than
3.3ft.
*1
Exhaust fan
Hot air
Heat source
Out- door unit
Fig.
(Obstruction above unit)
Air direction chamber
(field supply)
| B |
| A |
*1 | Inlet side |
More than 8" | |
| (Obstruction on |
| inlet side) |
(Ground)
1
Fig. | Fig. |
CAUTION
Concerning
The minimum for distance “C” is 6" if there are no obstructions on the outlet side (wall *1 side) and *2 or *4 is not present. In all other cases, the minimum for distance “C” is 8".
If the unit is installed with the outlet side facing wall *1, then there must be no obstruc- tions on 2 of the remaining 3 sides: *2, *3, *4.
If wall *1 is on the outlet side (Fig.
Installation requirements
provide a solid base (concrete block, 4" × 16" beams or equal), a minimum of 6" above ground level to reduce humidity and protect the unit gainst possible water damage and decreased service life. (Fig.
use lug bolts or equal to bolt down unit, reducing vibration and noise.
Anchor bolts (4 pieces)
Fig.
