2-9. Duct for Fresh Air

For fresh air intake

 

There is a duct connection part on sideface of the indoor unit. (Fig. 2-16)

Optional air-intake plenum (including duct connection box and flange) can be attached to the indoor unit.

Air-intake plenum

Type

 

 

CMB-GSJ80U

25

 

 

CMB-GSJ140U

36, 48

 

 

(1) Accessories

Check that the following parts are in the box when unpacking.

NAME

QT’Y

REMARKS

Cord with socket

1

Connecting line. Not necessary for

(9P)

intaking fresh air.

 

Screw

4

Air-intake filter

(M5 × L125)

(for fastening)

 

Screw

7

Duct connection flange/ box

(M4 × L12)

(for fastening)

 

Duct connection box

1

(for fresh air)

Duct connection flange

1

(for connecting fresh air duct)

(2) Installation

Installation steps (a) to (e) are the same for both the CMB-GSJ80U and the GSJ140U. The drawing

illustrates installation of air-intake plenum to the

CMB-GSJ80U.

Installation

 

screws

(a) Installing the air-intake plenum

 

 

 

Set the air-intake plenum to the indoor unit taking

 

 

 

care not to set the incorrect direction. (Fig. 2-17)

 

 

 

Fasten the air-intake plenum with the accessory

 

 

 

screws. (M5 × L125, 4pcs) (Fig. 2-17)

 

 

 

(b) Installing the duct connection box

 

 

 

Fasten the duct connection flange to the duct

Air-intake

connection box with the accessory screws.

plenum

(M4 × L12, 4pcs) (Fig. 2-18)

 

 

 

Put the duct connection box into the rectangular

 

 

 

hole of the air-intake plenum and fasten it to the

 

 

 

both sides of the indoor unit and plenum with the

 

 

 

accessory screws. (M4 × L12, 3pcs) (Fig. 2-18)

 

 

 

 

 

 

 

(c) Installing the indoor unit

Install the indoor unit to the ceiling.

(Install the indoor unit according to items 2-1 to 2-6.)

Indoor unit

When installing in a pre-

CAUTION existing location, install the indoor unit before installing the duct connection box.

 

.1

hole

 

 

 

ø3

 

-

 

4

 

 

60

ø112

 

55

 

 

Detail of fresh air intake

2264_X_S

Fig. 2-16

Socket cover Panel lead wire (8P)

Clamper

8P socket (red) (electrical component box)

8P socket (red) (ceiling panel side)

1975_X_S

Fig. 2-17

11

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Image 11
Sanyo SPW-XR254EH56 operation manual Duct for Fresh Air, Accessories, Installation, Installing the air-intake plenum

SPW-XR254EH56 specifications

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