Sanyo CH4242 User Manual download pdf (Page 16)

S4359146

3-3. Placing the Unit Inside the Ceiling

(1) When placing the unit inside the ceiling, deter-

mine the pitch of the suspension bolts using the

supplied full-scale installation diagram. (Fig. 3-4)

The size of the opening for the indoor unit can be

confirmed by attaching the full-scale installation

diagram beneath the unit. (Fig. 3-4)

Tubing and wiring must be laid inside the ceiling

when suspending the unit. If the ceiling is already

constructed, lay the tubing and wiring into posi-

tion for connection to the unit before placing the

unit inside the ceiling.

(2) The length of suspension bolt must be appropri-

ate for a distance between the bottom of the bolt

and the bottom of the ceiling of 19/32 in. or more

as shown in Fig. 3-4.

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

washers onto the 4 suspension bolts as shown in

Fig. 3-5.

Use 2 sets of nuts and washers (upper and

lower), so that the unit will not fall off the suspen-

sion lugs.

(4) Remove the protective cardboard used to protect

the fan parts during transport.

(5) Adjust the distance between the unit and surface

of the ceiling. (1-7/8 in.) (Fig. 3-4)

Fig. 3-4

Fig. 3-5

19/32 inch or more

1-7/8 inch

2040_X_I

Full-scale installation diagram

(printed on a cardboard packing)

Full-scale installation

diagram

1971_X_

Nuts and washers

Double nuts

(Use above and below)

Suspension bolt

Suspension lug

Upper

Lower

Notch

1-7/8 inch

1 2 ... 11 12 13 14 15 16 17 18 19 20 21 ... 93 94

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Sanyo CH4242 User Manual Page 16

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