User Manual
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Roberts-Gordon Manuals
Air equipment
HE15UT
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SECTION 1
1: V
EN
TING
AND
F
RESH
A
IR
S
UPPLY
51 of 73
Fi
g
ur
e 31: A
ir Supply w
ith Flue Confi
g
ur
ations
1
1
.7 Common Duct
When u
sing a common air inlet duct
, al
w
ay
s ensur
e 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
1
...
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