Miele PDR 914 Operating And Installation Instructions page 58

Installation
Example 3
1. Total duct length
2. Pipe diameter
depending on total
pipe length
58
Configuring exhaust ducting and a supply pipe made from steel for the
PDR 914/514 series tumble dryer:
L1, L2: each 6' 6" (2.0 m) steel piping
L3: 8' 2" (2.5 m) steel piping
B1, B2: 90° concertina pipe elbow for each
B3, B4: 90° elbow (r = d) for each
B3
L1
L3
B4
Steel pipe
Steel pipe
Steel pipe
90° concertina pipe
elbow
90° concertina pipe
elbow
90° elbow (r = d)
90° elbow (r = d)
Total duct length
* Substitute pipe lengths according to Table 1
For the calculated total pipe length of 54' 9" (16.7 m) for a
PDR 914/514, a minimum pipe diameter of 6" (150 mm) is specified
for the exhaust ducting and supply pipe according to Table 2.
L2
B2
B1
L1 = 6' 6" (2.0 m)
L2 = 6' 6" (2.0 m)
L3 = 8'2" (2.5 m)
B1 = 10' 6" (3.2 m)*
B2 = 10' 6" (3.2 m)*
B3 = 6' 3" (1.9 m)*
B4 = 6' 3" (1.9 m)*
54' 9 1/2" (16.7 m)