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11.2.6
Pipe Insulation
1
Please carry out insulation at pipe connection portion as mentioned in Indoor/Outdoor Unit Installation
Diagram. Please wrap the insulated piping end to prevent water from going inside the piping.
2
If drain hose or connecting piping is in the room (where dew may form), please increase the insulation by
using POLY-E FOAM with thickness 6 mm or above.
11.2.6.1
Cutting and Flaring the Piping
1
Please cut using pipe cutter and then remove the burrs.
2
Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused.
Turn the piping end down to avoid the metal powder entering the pipe.
3
Please make flare after inserting the flare nut onto the copper pipes.
11.2.7
Disposal of Outdoor Unit Drain Water
If a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm.
If the unit is used in an area where temperature falls below 0°C for 2 or 3 days in succession, it is recommended
not to use a drain elbow, for the drain water freezes and the fan will not rotate.
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