BU Module
15
Fig. 21
ĺ
After brazing, use wet cloths to cool off the pipes to be brazed sufficient.
5.5 Precaution for Connection
5.5.1 Precaution for connection
1)
Pipe connections should be follow the following rules:
ķ
Outdoor unit shall be installed close to the indoor unit, hence to minimize the length and bends
of connection pipes.
ĸ
The height gap of outdoor unit and indoor units should be as small as possible
2)
The brazing operation must be strictly in accordance with the process requirements. During the
installation, do not damage the pipeline.
5.5.2 The process of flaring
ķ
Using the tube cutter to cut the connecting pipe in the appropriate place and remove the burrs.
ĸ
Install the nut before the flaring operation.
Ĺ
Check the flared portion, whether there is fractured or not.
Fig. 22
5.5.3 Precaution for elbow operation
ķ
The elbow operation could be done by hands. Be careful and do not damage the pipe.
Fig. 23
Summary of Contents for RFX12A
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