Refrigerant Piping Work - Samsung AE090JXEDEH Installation Manual

Refrigerant piping work

Install the refrigerant pipe within the maximum allowable length, difference in height and length of after the first branch
pipe.
The pressure of the R-410A is high.
Use only rated refrigerant pipe and follow the installation method.
Use clean refrigerant pipe Where there is no harmful ion, oxide, dust, iron content or moisture.
Use adequate tools and accessories for R-410A.
Manifold gauge • Use manifold gauge only for R-410A to prevent the inflow of foreign substances.
• Use vacuum pump with check valve to prevent pump oil from flowing 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 flare nut supplied with the product.
Allowable length of the refrigerant pipe and the installation examples
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