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Rinnai 19 Dry-Soft® RD-400AU / RD-600AU Installation Manual
INSTALLATION
EXHAUST DUCT INSTALLATION OPTIONS
Following are the four most common exhaust duct installation methods. The exhaust duct length can
be up to 8 metres long with a maximum of two 90° bends:
C C C
B
D
D
D
D
B
A
B
c
a
b
b
i ii iii
B
D
D
E
E
F
e
e
e e
e
e
iv
e
a
b
c
Minimum clearance 500mm to nearest part of roof.
Minimum clearance 20mm to combustible materials.
Decktite or other non lead based flashing, to be provided by installer.
e
The weight of the exhaust duct MUST BE supported by the stand-off supplied and NOT by the dryer.
f
‘DSFPIPE1000’ can be cut to length as is required, provided that a clean square edge is maintained and that a minimum
penetration of 50mm remains to join other exhaust duct components.
g
A constant 2° fall to the terminal MUST BE maintained on horizontal installations.
d
For enclosed installations ONLY, a minimum 250cm
2
of Free Air Ventilation is required.
d
i
ii
iii
Direct Vertical.
Offset Vertical.
Extended Vertical.
iv
Direct or Extended Horizontal.
b
B
g
B
G
f
D
D
B
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