■Concealed Duct Type (U Type)

3-14. Required Minimum Space for Installation and Service

●This air conditioner is usually installed above the ceiling so that the indoor unit and ducts are not visible. Only the air intake and air outlet ports are visible from below.

●The minimum space for installation and service is shown in Fig. 3-61 and Table 3-3.

●It is recommended that space is provided (17-23/32 ⋅ 17-23/32 in.) for checking and servicing the electrical system.

●Fig. 3-62 and Table 3-4 show the detailed dimensions of the indoor unit.

U

Table 3-3

 

 

Unit: in. (mm)

 

Type

7, 12, 18

24

36

 

 

 

 

 

 

A (Length)

30-23/32 (780)

42-17/32 (1,080)

61-13/32 (1,560)

 

 

 

 

 

 

Number of duct flanges

2

3

4

 

 

 

 

 

 

 

 

A (Suspension bolt pitch)

min. 9-27/32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

Indoor unit

 

 

 

 

9-27/32

 

 

 

 

 

 

 

 

 

 

27/-

 

 

 

 

 

min.

22

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15-3/4

 

 

 

Air outlet duct flange

min.

 

 

 

 

 

 

 

Fig. 3-61

Electrical component box

Inspection access

17-23/32

17-23/32

Refrigerant tubing

min. 25-19/32

Unit: in.

Table 3-4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Unit: in.

Dimension

A

B

 

C

D

E

F

G

H

I

J

 

K

No. of holes

Type

 

 

L

M

 

 

 

 

 

 

 

 

 

 

 

 

 

7, 12, 18

26-1/16

23-5/8

27-9/16

30-23/32

11-13/32

10-5/16

26-25/32

28-5/32

7-3/32

–

 

13-3/8

8

12

(7-7/8

⋅ 3)

 

24

37-7/8

35-7/16

39-3/8

42-17/32

11-13/32

10-23/32

38-19/32

39-31/32

5-1/8

9-21/32

9-27/32

12

16

(7-3/32

⋅ 5)

(9-21/32

⋅ 1)

36

56-25/32

54-11/32

58-9/32

61-13/32

13-3/16

12-7/32

57-15/32

58-27/32

5-1/8

19-9/32

9-7/16

16

18

(9-1/16

⋅ 6)

(9-21/32

⋅ 2)

31/32 10-1/4

3-17/32

7-9/32

 

2-5/32

13/32

 

 

 

 

 

 

 

 

Refrigerant tubing joint (liquid tube)

 

 

 

 

 

 

 

 

 

 

 

 

(O.D.)

7/-78

 

 

13/32

 

 

 

 

13/32

 

Refrigerant tubing joint (gas tube)

23/31

(Hole)

 

 

 

 

Bottom drain port (O.D. 1-1/32 in.)

 

 

 

 

 

L-ø1/4

 

 

 

 

 

 

Upper drain port (O.D. 1-1/4 in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

32

 

 

 

 

 

 

 

 

11

 

Suspension lug

 

 

 

 

I

J

K

J

 

I

 

Power supply outlet (2-ø1-3/16 hole)

 

 

 

 

 

 

 

2-5/

 

3/4

 

 

A (O.D.)

 

 

3/4

 

 

Fresh air intake port (ø5-29/32 hole)

ionsdimenginopengn)

 

 

15/-315/16-32

 

H (Duct suspension bolt pitch)

 

 

 

 

Flange for the flexible air outlet duct (ø7-7/8 hole)

/1631-10

 

G (Ceiling opening dimension)

 

4-ø15/32

Tube cover

 

31/32 8-9/32 31/32

 

 

 

 

 

 

 

 

 

Electrical component box

 

 

 

 

 

 

 

 

 

(Hole)

 

Flange for the air intake duct

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Option or field supply)

 

 

 

 

 

 

 

 

 

 

 

 

 

Inter-unit control wiring

 

(Ceili

 

 

 

 

 

 

 

 

 

 

 

1/332

/3132

12-7/32

 

 

1-7/32

 

 

B

 

 

1-7/32

18-ø1/8

 

 

 

 

 

3

 

 

 

 

 

 

 

 

 

 

 

6-7/8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pitch)

 

 

 

 

 

 

 

 

(Hole)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

24-13/16

 

 

10

nspeSus( ion bolt

22-27/32

 

 

 

 

 

 

 

 

 

-1/43-23/16

5/16-6

 

 

 

 

 

 

 

 

 

2315/-7

 

 

 

 

 

 

 

 

 

 

Inspection access

 

 

9

 

 

 

 

 

 

 

 

 

 

 

(17-23/32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

17-23/32)

 

 

 

 

 

 

 

 

 

 

 

 

 

(Field supply)

 

 

 

 

 

32

 

 

 

 

 

 

 

 

 

2311/

 

31/32

 

 

 

31/

 

 

 

C

 

 

1-9/16

 

 

1-3/8

 

 

 

 

 

 

D

 

 

 

(5-29/32)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(Suspension bolt pitch)

 

 

2-15/16

32

3-

 

2-3/4

5-1/8

 

 

 

 

 

E

E

E

F

 

 

 

 

 

 

 

 

-17/

 

 

 

11-7/32

 

 

 

 

 

 

 

 

 

2-9/16

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

4

Inspection access panel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ceiling

Unit: in.

Fig. 3-62

40

Page 39 Page 41
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Image 40
Sanyo 85464359981002 installation instructions Type Length, Number of duct flanges
Page 39 Page 41

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