Greenheck Fan Grease Grabber H2O Auto-Cleaning Hood GGH20 - Manual (Page 15)

15 Model GGH2O
®
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
Overview of exhaust and supply plenum locations