Sanyo UH2442 / CH2442, XH3642 / CH3642 service manual Outdoor Unit, Case of multiple installations

1. Specifications

Outdoor Unit

AVOID:

●heat sources, exhaust fans, etc. (Fig. 2-1)

●damp, humid or uneven locations.

DO:

Hot air

Out- door unit

Exhaust fan

Heat source

0591_C_I

●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. 2-2)

●provide a solid base; about 6 inch above ground level to reduce humidity and possible water damage in the unit and decreased service life. (Fig. 2-3)

●use lug bolts or equivalent to bolt down unit, reducing vibration and noise.

Min.

1 inch

Fig. 2-1

Min.	Obstacle above
1 inch
	Min.
4 in.	7 ft.
	Air
	dis-
	charge
Min. 2 ft.
0931_C_I	Ground
	0932_C_I

1

Fig. 2-2

In case of multiple installations

Unit spacing if air discharge chamber is not used. Unit spacing when air discharge chamber is used.

Min. 4 ft.	Min. 5 ft.	Min. 4 ft.	Min. 4 ft.	Min. 8 inch	Min. 4 ft.
	Min. 1 ft.		Min. 1 ft. 2 inch		Air
					discharge
					chamber
			Min. 1 ft. 2 inch
	Min. 12 ft.
					Min. 1 ft.
	Min. 8 inch				Min. 1 ft.

If you would like to make the separation smaller on the air	Only up to 3 units can be installed side-by-side under the above
discharge side, use an air discharge chamber.	conditions. The next group must be spaced at least 1 ft. away
You can install any number of units side-by -side.	from the first group.

Air in

Air discharge

Concrete block

4 inch × 1 ft. 4 inch beams or equal

Anchor bolts (4 pieces)

0933_C_S

Air in

Min. 6 inch

0934_C_I

Fig. 2-3

SM830082

I - 101