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DC Inverter Cassette Type Air Conditioner Installation and Operation Manual
8.5.5 Pipe Preparation
1. Pipe & Electrical Wire Cutting
● Use cutting tools easily found in the market.
● Measure precisely both outer & inter pipes.
● The length of the pipe should be a little longer than the
actual measured value.
● The wire should be 1.5m longer than the refrigerant tube.
2. Reaming
● Clean the inside of the inner refrigerant tube.
● While reaming, the tube end must be on the top of the
reamer to prevent any dust going back into the tube.
3. Flaring the Pipe End
● Flare both ends of the pipe with flaring kits by fitting
the flare nut on the pipe before flaring. Set the die on the
pipe in the way that the pipe end is 0.5mm above the
top of the die. Then, check if the pipe end is even and
perfectly round or not.
4. Wire Connecting and Taping
(See the figure on right)
52
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