Navien NPE-32AWE, Installation Manual

Page: 33 / 68

33 Insta ll ing the Water Heater
E xtended R emo v al S ystem
Ø 80/80 => Max. length: A+B+C+D+E+F-(4x90
° elbow)
= 110-(4x2.2) = 101.2 m
D
E
B
A
C
F
Pipe Diameter
(mm)
Maximum
Length (m)
Elbow
Equivalent
Length (m)
Ø 80/80 110 90 ° 2.2
3 .6. 4 . 2 Vertical D ual D uct R emo v al (T y p e C
8 3
)
Ø 80/80 => Max. length: A+B+C+D-(2x45
° elbow)
= 110-(2x1.4) = 10 7 .2 m
D
C
A
B
Minimum 3 7 0 mm
Pipe Diameter
(mm)
Maximum
Length (m)
Elbow
Equivalent
Length (m)
Ø 80/80 110 45 ° 1.4