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8
Connecting the Refrigerant Tubing
8.1
Use soldering method
Many of conventional split system air conditioners employ the flaring method to connect refrig-
erant tubes which run between indoor and outdoor units. In this method, the copper tubes are
soldering at tank end.
WARNING
Remember to cool down pipes with wet paper during soldering.
8.2
Preparation of cooling pipe for tank
20 mm
8.3
How to install the expansion valve when using ECOi
PAW-VP•LDHW - Technical Manual – 2020-07
20 mm cut the pipe
E3
E1
Connecting the Refrigerant Tubing
8
73
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