Samsung AM160FNBDEH Installation Manual page 14

Tools used for refrigerant pipe installation
Product using R-410A/R-134a refrigerant requires exclusive tools. Check the conventional tools for compatibility before
installation.
Tool
Pipe cutter
Flaring tool
Refrigerating machine
oil Refrigerant pipe work
Torque wrench
Pipe bender
Nitrogen gas
Air tightness test
Welder
Manifold gauge
Air tightness test ~
additional refrigerant
charging
Refrigerant charging
hose
Vacuum pump Vacuum drying
Scale for refrigerant
charging
Gas leak detector
Must use the flare nut equipped with the product.
Flare nut
Refrigerant leakage may occur when the conventional flare nut for R-22 is used.
Work
Pipe cutting
Pipe flaring
Apply refrigerant oil on
flared part
Connect flare nut with
pipe
Pipe bending
Inhibition of oxidation
Pipe welding
Vacuuming, charging and
checking operation
Compatible (Use products which contains the check valve to prevent the oil
from flowing backward into the outdoor unit.)
Use the one that can be vacuumed up to 100.7 kPa (5 Torr).
Compatible
Gas leak test
Compatibility with conventional tool
Compatible
Use exclusive ether oil, ester oil, alkali benzene
oil or mixture of these oils
Compatible
Need exclusive one to prevent mixture of R-22
refrigerant oil use and also the measurement is
not available due to the high pressure.
Need exclusive one due to the refrigerant
leakage or inflow of impurities.
Need exclusive one
(Ones used for R-134a is compatible)
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