20
Installation manual
6.4
Shared exhaust duct
It is recommended that each machine is connected to a separate exhaust duct.
When several machines shall use the same exhaust duct the exhaust duct must increase after each machine. The
recommended diameter increase progression is the one in the table.
If several machines are installed on the same exhaust pipe, it is recommended to adjust the airflow on the machines
when all machines are started and running a program with no heat.
Please consider that unnecessarily large ducts create issues with the draught.
Number of machines
1
2
3
4
5
6
7
8
9
10
Exhaust duct
⌀
mm
200
315
400
400
500
500
630
630
630
800
Recommended area
of fresh air intake
m
2
0.16
0.39
0.63
0.63
0.98
0.98
1.56
1.56
1.56
2.51
Minimum area of
fresh air intake
Gas heated/Electric
heated
m
2
0.05
0.1
0.15
0.2
0.25
0.3
0.35
0.4
0.45
0.5
Minimum area of
fresh air intake
Steam heated
m
2
0.039
0.078
0.117
0.156
0.195
0.234
0.273
0.312
0.351
0.39
The exhaust duct diameter must not be reduced.
Summary of Contents for D7-675
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