Roberts Gorden HE15UT Manual Do Utilizador

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SECTION 11: V
ENTING
 
AND
 F
RESH
 A
IR
 S
UPPLY
51 of 73
Figure 31: Air Supply with Flue Configurations
11.7 Common Duct
When using a common air inlet duct, always ensure that 
the area of the common air inlet duct represents the area 
of all air ducts.
C
52
C
32
C
12
  C
32
  C
62
B
22
C
12