CAUTION

The indoor unit includes a drain pump. Be sure to use a level gauge and verify that the unit is level.

Before inserting the ceiling material, complete as much of the drain piping work and refrigerant tubing work as possible.

(6) The distance between the unit and the opening of

A

the ceiling and the distance between the bottom surface of the ceiling and the bottom surface of the flange of the unit should follow the dimensions given in Figs. 3-37 and 3-38.

3-10. Installing the Drain Piping

(1)Prepare standard hard PVC pipe (O.D. 1-1/4") for the drain and use the supplied drain hose and hose band to prevent water leaks.

The PVC pipe must be purchased separately. The unit’s transparent drain port allows you to check drainage. (Fig. 3-39)

CAUTION

Do not use adhesive at the drain connection port on the indoor unit.

Insert the drain pipe until it contacts the socket, as shown in the figure at right, then secure it tightly with the hose band.

Tighten the hose clamps so their locking nuts face upward. (Fig. 3-39)

Do not use the supplied drain hose bent at a 90° angle. (The maximum permissible bend is 45°.)

Check the drainage at the unit drain port (transparent).

(2)After checking the drainage, wrap the supplied packing and drain pipe insulator around the pipe, then secure it with the supplied clamps. (Fig. 3-40)

NOTE

Make sure the drain pipe has a downward gradient (1/100 or more) and that there are no water traps.

32

2-1/8

2-1/8

19/

 

 

 

 

Suspension bolts

 

 

Tubing side

 

32

Suspension bolts

Unit: in.

 

19/

 

 

 

 

Fig. 3-37

 

 

 

Ceiling

 

 

material

25/32

25/32

25/32

 

 

Fig. 3-38

 

Align the hose band with end of the

 

hose, and tighten so that it does not

 

contact the bead.

 

 

Drainage check

 

 

Hard PVC

section on drain port

Hard PVC

pipe

(transparent)

Drain hose

VP-25

 

(supplied)

socket VP-25

 

 

(not supplied)

(not supplied)

PVC adhesive

Bead Packing (supplied)

Fig. 3-39

Drain insulator (supplied)

Fig. 3-40

34

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Image 34
Sanyo 85464359981002 installation instructions Suspension bolts Tubing side Unit Ceiling Material 25/32

85464359981002 specifications

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