Greenheck Fan GGH20 Manual De Usuario

15

1.  The exhaust duct connection needs to be located 

within 48 in. (121.92 cm) from the center of the 
hood length to the center of the duct connection.

2.  The exhaust duct connection is to be a continuous 

liquid-tight weld. Weld with a non-ferrous filler 
wire, such as silicon bronze or stainless steel filler 
wire. Protect all stainless steel areas from weld 
splatter.

Hanger Bracket

Exhaust Plenum

Duct cut out area

Duct cut out area

Hood Length

Hood

Width

Exhaust Duct

Connection

Exhaust duct connection is to be

a continuous liquid-tight weld to hood.

Supply Duct

Connection

Supply duct connection to be 
tack-welded with 1 to 2 inch 
tacks or sheet metal screws 
at 3 to 6 inch spacing to hood.

Front of Hood

Exhaust Plenum

8.0

8.0

8.0

3.0

3.0

14.0

8.0

1.0

12.0

NOTE:   1. Exhaust duct connection to be located within 48 inches from center of hood length to center of duct connection.

2. UL Listed hood assembly to be used only with Greenheck Fan Corp. labelled subassembly for exhaust hood without  exhaust damper part no. DC

TOP VIEW

BACK VIEW 

Top of Hood

Dimensions are shown in inches.

Installing Duct Collar