Purging The Connected Pipes - Samsung AR10FVSED Series User & Installation Manual

Purging the connected pipes

The outdoor unit is loaded with
greenhouse gas, covered by Kyoto Protocol, with a Global Warming Potential (GWP) = 1975.
It may cause reduction of cooling capacity and malfunction. Refrigerant for air purging is not charged in the outdoor unit.
Use Vacuum Pump as seen in the picture.
• When installing, make sure there is no leakage. When recovering the refrigerant, ground the compressor
before removing the connection pipe. If the refrigerant pipe is not properly connected and the compressor works
with the service valve open, the pipe inhales the air and it makes the pressure inside of the refrigerant cycle
abnormally high. It may cause explosion and injury.
1. Connect each assembly pipe to the appropriate valve on the outdoor unit and
2.
applying the following torque:
• Excessive torque can be cause of gas leakage.
• Make the electrical connection and leave the system into "stand by
mode". Do not turn on the system!
This is necessary for better vacuum operation (full OPEN position of
Electronic Expansion Valve - EEV -).
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MAX_XSA_IBIM_DB98-33747A_E.pdf
R 1 4 A 0 e r i r f e g a r . t n D o o n v t n e R t 1 4 A 0 n i o t a m t o p s e h : e r i t i a s
Outdoor unit
Liquid pipe side
Outer Diameter
ø6.35 mm 14 ~ 18
ø9.52 mm 34 ~ 42
ø12.70 mm 49 ~ 61
ø15.88 mm 68 ~ 82
Indoor unit
Gas pipe side
Torque
N•m (kgf•cm)
140 ~ 180
350 ~ 430
500 ~ 620
690 ~ 830