LG DLE5911W Owner's Manual page 20

Number of 90 ° Weather Hood Type
Elbows Recommended Use Only for Short Run Installations
4"
(10.2 cm) (10.2 cm)
(6.35 cm)
Maximum length of 4" (10.2 cm) diameter rigid metal duct
0 65 feet (19.8 m) 55 feet (16.8 m)
1
55 feet (16.8 m) 47 feet (14.3 m)
2 47 feet (14.3 m) 41 feet (12.5 m)
3 36 feet (11.0 m) 30 feet (9.1 m)
4 28 feet (8.5 m) 22 feet (6.7 m)
Maximum length of 4" (10.2 cm) diameter flexible metal duct
0 45 feet (13.7 m) 35 feet (10.7 m)
1 35 feet (10.7 m) 27 feet (8.2 m)
2 30 feet (9.1 m) 21 feet (6.4 m)
3 25 feet (7.6 m) 17 feet (5.2 m)
4 20 feet (6.1 m) 15 feet (4.5m)
NOTE : Deduct 6 feet (1.8 m) for each additional elbow.
[Table. 1]
2O