DG702 manual

Installation instructions
33
Preferred 4” (102 mm) Hoods
4” Dia (102 mm)
4” (102 mm)
4” Dia (102 mm)
When you have a 4” (102 mm) Hood
Maximum length of 4” (102 mm) diameter metal duct.
Number of 90˚
elbows/bends
Rigid metal
Flexible metal
(fully extended)
0 90 ft 27.4 m 8 ft 2.4 m
1 60 ft 18.3 m 8 ft 2.4 m
2 45 ft 13.7 m 8 ft 2.4 m
3 35 ft 10.7 m 8 ft 2.4 m
4 25 ft 7.6 m 8 ft 2.4 m
Acceptable 2 ½” (64 mm) Hood (for short length installations)
4” Dia (102 mm)
2 ½” (64 mm)
When you have a 2 ½” (64 mm) Hood
Maximum length of 4” (102 mm) diameter metal duct.
Number of 90˚
elbows/bends
Rigid
Flexible Metal
(fully extended)
0 60 ft 18.3 m 8 ft 2.4 m
1 45 ft 13.7 m 8 ft 2.4 m
2 35 ft 10.7 m 8 ft 2.4 m
3 25 ft 7.6 m 8 ft 2.4 m
4 15 ft 4.6 m 8 ft 2.4 m