Refrigerant Piping Work; Allowable Length Of The Refrigerant Pipe And The Installation Examples - Samsung AE RXEDEG Series 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-32 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-32.
Manifold gauge
• Use manifold gauge only for
• 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

Outdoor unit
Maximum allowable Outdoor unit
length of pipe ~ Hydro unit
Maximum allowable Outdoor unit
height ~ Hydro unit
Additional refrigerant calculation
Contact the manufacturer if the length should exceed.
pump is stopped.
Item
Total length
Less than 20 m
R-32
to prevent the inflow of foreign substances.
Example
Less than
a ≤ 35 m
35 m
R=Basic charge + additional charge by the piping length
ENGLISH-28
If outdoor unit
H1 is located lower
position H1 ≤15 m
Remarks