Carrier XCT7 Installations- Und Benutzerhandbuch Seite 19

Installation procedure
Anti-fouling measures
First, clean the pipe.
Positio
n
Outdoor More than 1 month
Less than 1 month
Indoor Period not applicable
Pipe specification:
c
a
a
1. Pipe "a" diameter (between indoor and branch pipes) depends on indoor pipe, the diameter of the gas
and liquid pipe of the indoor unit shall be according to the installation manual for indoor units.
2. Pipe "b" diameter (between branch pipes)
Total indoor capacity after the branch pipe
16.8kWs;X<22.4kW
22.4kWs;X<33.0kW
33.0kWs;X<47.0kW
Note:
Adjust the diameter on field (pipe needs to be changed).
When the latter indoor total capacity is less than 14.0kw, pipe b will use the same specs as pipe a.
Ins tallation period
a
The first branch pipe The first branch pipe
b
a
(kW
)
<16.8kW
Measures
Flatten the pipe
end
Flatten the pipe end or seal with adhesive tape
Gas pipe (mm)
Ø 15.88
Ø 19.05
Ø 22.22
Ø 28.58
12
Liquid pipe
(mm)
Ø 9.25
Ø 9.25
Ø 9.25
Ø 12.7