GE JNM3161MFSA 安装指导

  

   

 

   

Roof Cap  

 

24 Ft.  x 

(1) 

= 

24 Ft.

 

   

 

 

   

12 Ft. Straight Duct  

12 Ft.  x 

(1) 

= 

12 Ft. 

  

  (6s Round)

 

   

 

 

   

Rectangular-to-Round  5 Ft. 

x 

(1) 

= 

5 Ft. 

  

  Transition 

Adaptor* 

Equivalent lengths of duct pieces are based on actual tests and  

reflect requirements for good venting performance with any vent hood.

 

 

 

 

 

 

* IMPORTANT:  If a rectangular-to-round transition adaptor is used, the bottom corners of the damper will 

have to be cut to fit, using the tin snips, in order to allow free movement of the damper.

The following chart describes an example of one possible 

ductwork installation.

The following chart describes an example of one possible 

ductwork installation.

NOTE: For back exhaust, care should be taken to align exhaust with space between studs, or wall should be prepared  

at the time it is constructed by leaving enough space between the wall studs to accommodate exhaust.

  

   

 

   

Wall Cap  

 

40 Ft.       x 

(1) 

= 

40 Ft.

 

   

3 Ft. Straight Duct  

3 Ft. 

     x 

(1) 

= 

3 Ft. 

  

  (3

1

ø

4

s x 10s Rectangular)

 

   

 

 

   

90° Elbow 

 

10 Ft.       x 

(2) 

= 

20 Ft.

 

 

Equivalent lengths of duct pieces are based on actual tests and  

reflect requirements for good venting performance with any vent hood.