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How to connect refrigerant pipes between the indoor unit and the outdoor unit
How to connect refrigerant pipes
1
The flare connection method is widely used to connect a refrigerant pipe between the
indoor and outdoor units, as this method is simple to install and does not take much time.
As shown in the figure below, mount a processed flare at the end of a pipe, connect the
flare to the connection valve of the indoor/outdoor and fasten the flare nuts to fix it.
2
Flare Specifications
A
Flare processing
Remove the protective cap at the end of a copper pipe.
1
Hold the copper pipe to allow the end of the pipe to
2
be headed downwards, cut the pipe as required, and
remove the burr on the insection using a reamer.
During installation, be careful not to expose the
3
inside of the copper pipe to the atmosphere for a
period exceeding the specified time.
As the compressor oil is sensitive to moisture,
4
maintain the end of the copper pipe in a sealed
state during installation.
Remove the flare nuts from the connections of the
5
main body and place the flare at the end of the
copper pipe. Process the flare using a flare tool.
There should be no burr at the end part of the flare, and the processed surface of the flare
●
should be even.
32
Inverter Hybrid Boiler
D
Liquid side
Gas side
Gradient
Wrinkle
Outer
A
diameter
9.5
12.8~13.2
15.88
18.6~19
Crack
Uneven
thickness
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