13
Installation procedure
Anti-fouling measures
Pipe specifi cation:
First, clean the pipe.
Position
Installation period
Measures
Outdoor
More than 1 month
Flat the pipe end
Less than 1 month
Flat the pipe end or seal with adhesive tape
Indoor
Nothing to do with period
1. Pipe "a" diameter (between indoor and branch pipe) depends on indoor pipe
2. Pipe "b" diameter (between branch pipes)
Indoor (x100W) Gas pipe (mm) Liquid pipe (mm)
22~28
Ø9.52
Ø6.35
36~56
Ø12.7
Ø6.35
71~140
Ø15.88
Ø9.52
226~280
Ø25.4
Ø9.52
Total indoor capacity after the branch pipe (kW)
Gas pipe (mm)
Liquid pipe (mm)
<16.8KW
Ø15.88
Ø9.52
16.8KW
≤
X<22.4KW
Ø19.05
Ø9.52
22.4KW
≤
X<33.0KW
Ø22.22
Ø9.52
33.0KW
≤
X<47.0KW
Ø28.58
Ø12.7
Note:
Adjust the diameter on
fi
eld (changing pipe is needed)
When the latter indoor total capacity is less than 14.0kw, pipe b will use the specs as the pipe a.
Note:
AS072 AS092 gas pipe: Ø12.7mm
AS182 gas pipe/ liquid pipe: Ø15.88mm/9.52mm
The
fi
rst branch pipe
c
b
a
a
a
a
