3-15. Suspending the Indoor Unit

Depending on the ceiling type:

Insert suspension bolts as shown in Fig. 3-63 or

Use existing ceiling supports or construct a suitable support as shown in Fig. 3-64.

WARNING

It is important that you use extreme care

in supporting the indoor unit inside the

 

 

 

ceiling. Ensure that the ceiling is strong

 

enough to support the weight of the unit.

 

Before hanging the unit, test the strength

 

of each attached suspension bolt.

(1)

When placing the unit inside the ceiling, determine the pitch of

 

the suspension bolts referring to the dimensional data on the

 

previous page. (Fig. 3-61 and Table 3-3)

 

Tubing must be laid and connected inside the ceiling when

 

suspending the unit. If the ceiling is already constructed, lay the

 

tubing into position for connection to the unit before placing the

 

unit inside the ceiling.

(2)

Screw in the suspension bolts allowing them to protrude from

 

the ceiling as shown in Fig. 3-63. (Cut the ceiling material, if

 

necessary.)

(3)

Thread the 3 hexagonal nuts and 2 washers (field supply) onto

 

each of the 4 suspension bolts as shown in Figs. 3-65 and 3-66.

 

Use 1 nut and 1 washer for the upper part, and 2 nuts and 1

 

washer for the lower part, so that the unit will not fall off the

Hole-in-anchor

 

 

Hole-in-plug

Concrete

Insert

Suspension bolt (M10 or 3/8") (field supply)

Fig. 3-63

Ceiling tiles

Ceiling support

U

 

 

 

 

Fig. 3-64

 

 

 

 

 

 

 

 

 

Suspension bolt

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Nuts and washers

 

 

 

 

 

 

 

Suspension lug

(use for upper and lower)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

suspension lugs.

Double nuts

Notch

Fig. 3-65

 

 

Suspension bolt

 

 

Hexagonal nut

Fig. 3-67 shows an example of installation.

Double nuts

 

 

Bolt anchor

Air outlet duct

 

Fig. 3-66

 

Suspension bolt

 

 

Air-intake duct

Air-outlet grille

 

 

Ceiling material

Indoor unit

 

Air-intake grille

Fig. 3-67

41

Page 41
Image 41
Sanyo 85464359981002 installation instructions It is important that you use extreme care, Supporting the indoor unit inside

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