DC Inverter UNI SPLIT Series
Duct
Type Unit
21
Dimensions for the making of oil return bend are as follows:
A(inch) B(mm) C(mm)
Ф3/8 ≥20 ≤150
Ф1/2 ≥26 ≤150
Ф5/8 ≥33 ≤150
2.2.3.2 Pipe Flaring
(1) Cut the connection pipe with a pipe cutter.
(2) The mouth of connection pipe should face downward. Remove burrs with
the cut surface so that the chips do not enter the pipe.
(3) Remove the cut-off valve of outdoor unit and take out the flare nut from
the bag of indoor unit accessories. Then fit the flare nut on the pipe and
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