Miele PDR 914 Operating And Installation Instructions page 57

2. Pipe diameter
depending on total
pipe length
3. Total pipe length
PDR 918/518
4. Pipe diameter
depending on total
pipe length
5. Total duct diam-
eter
Total pipe length = 46' 11" (14.3 m)
Maximum permissible total pipe length
62' 4" (19 m) = Ø 6" (150 mm) internal pipe diameter (see Table 2)
Steel pipe
Steel pipe
90° concertina pipe
elbow (r = 2d)
45° elbow (r = 2d)
90° elbow (r = d)
Total duct length
* Substitute pipe lengths according to Table 1
Total pipe length = 32' 1 13/16" (9.8 m) (PDR 918/518)
Maximum permissible total pipe length
49' 2" (15 m) = Ø 6" (150 mm) internal pipe diameter (see Table 2)
According to Table 3
Duct diameter
PDR 914/514
Duct diameter
PDR 918/518
Total cross section A
Total duct diameter
L3 = 6' 6" (2.0 m)
L4 = 6' 6" (2.0 m)
B3 = 10' 6" (3.2 m)*
B4 = 2' 3" (0.7 m)*
B5 = 6' 2" (1.9 m)*
32' 1 13/16" (9.8 m)
Ø 6" (150 mm)
= 27 3/8"² (177 cm²)
Ø 6" (150 mm)
= 27 3/8"² (177 cm²)
54 13/16"² (354 cm²
Ø 8 11/16" (220 mm)
Installation
=
)
=
57