Sanyo 85464359982001 installation instructions 29/64

07-007 W-2WAY_II_NA 1/23/07 6:09 PM Page 31

■1-Way Air Discharge Semi-Concealed Type (A Type) 3-8. Suspending the Indoor Unit

(1)Follow the diagrams to make the holes in the ceiling. (Figs. 3-29 and 3-30)

(2)Depending on the ceiling type:

●Insert suspension bolts as shown in Fig. 3-31 or

●Use existing ceiling supports or construct a suitable support as shown in Fig. 3-32.

●Make sure that the length of suspension bolts from the bottom of the unit is 19/32 in. or more. (Fig. 3-33)

WARNING

It is important that you use extreme care in supporting the indoor unit from the ceiling. Ensure that the ceiling is strong enough to support the

29-59/64 (Panel outer dimensions)

	28-47/64 (Ceiling opening dimension)		32	Unit: in.
1-27/64	25-63/64 (Suspension bolt pitch)	(1-27/64)	19/
			nsion)	panel)
22-3/64		15-3/4 (Suspension bolt pitch)	32-15/64 (Ceiling opening dime	-2413/32 (Outline dimension of
				A
	23-5/8	47/64	19/32
		3-
	Fig. 3-29

Drain pipe connection

(Be sure to connect the supplied flexible hose.)

22-3/64

10-1/32 1-19/64

weight of the unit. Before hanging the unit, test the strength of each attached suspension bolt.

(3)Calculate the suspension bolt pitch using the full- size installation diagram (printed on the package). The relationship between the positions of the suspension lugs, unit, and ceiling panel is as shown in Fig. 3-30.

(4)Cut the ceiling material, if necessary.

(Figs. 3-29 and 3-30)

29/64	2-31/64	1-49/64
	5-19/64
9- /16
3-3
Flared refrigerant		Flared refrigerant
connection outlet		connection outlet
(liquid tube)		(gas tube)

Fig. 3-30

2-9/16 -49/64		-19/64
	1	12 3/16
		1-

Inter-unit

Control Wiring

Power supply outlet

Unit: in.

If the system requires fresh air to be drawn into the unit, cut and remove the insulation (both externally and internally) at the location shown as A in Figs. 3-34 and 3-35.

CAUTION

When making the cuts to the insulation, be careful not to damage the drain pan.

Hole-in-anchor	Concrete	Insert
Hole-in-plug

Suspension bolt

(M10 or 3/8")

Fig. 3-31

31