Refrigerant Piping Work - Samsung AE120JXEDEH Installation Manual

Refrigerant piping work

f Install the refrigerant pipe within the maximum allowable length, di erence in height and length of after the rst branch
pipe.
f The pressure of the R-410A is high.
Use only rated refrigerant pipe and follow the installation method.
f Use clean refrigerant pipe Where there is no harmful ion, oxide, dust, iron content or moisture.
f Use adequate tools and accessories for R-410A.
Manifold gauge • Use manifold gauge only for R-410A to prevent the in ow of foreign substances.
• Use vacuum pump with check valve to prevent pump oil from owing backward while the vacuum
Vacuum pump
• Use the vacuum pump that the vacuum induction is available up to 5Torr. (-100.7kPa)
Flare nut • Use only are nut supplied with the product.
Allowable length of the refrigerant pipe and the installation examples
f AE090JXEDEH, AE120JXEDEH, AE140JXEDEH, AE160JXEDEH, AE090JXEDGH, AE120JXEDGH, AE140JXEDGH,
AE160JXEDGH
Outdoor unit
Maximum
allowable Outdoor unit
length of ~ Hydro unit
pipe
Maximum
Outdoor unit
allowable
~ Hydro unit
height
Additional refrigerant
calculation
Contact the manufacturer if the length should exceed.
pump is stopped.
Item
Less than
Total length
50 m
Less than 30 m
R=Basic charge + additional charge by the piping length
ENGLISH-25
Example
a 50 m
is located lower
H1
Remarks
If outdoor unit
position H1
15 m