Daikin VRV System R-22 PLUS Series Manual page 149

Si33-102.book Page 147 Tuesday, June 26, 2001 3:18 PM
SiE33-102
The pressure regulator for the nitrogen released when doing the brazing should be set to 0.02 MPa (0.2
kg/cm ²
6. Protection
Take measures to prevent foreign materials like moisture and contamination from mixing into the
against system.
Contamination
when Installing Place
Pipes
Outdoor
Indoor
Great caution is needed when passing copper tubes through walls.
Installation Manual
) or less.
Location to be brazed
Refrigerant piping
Nitrogen
Installation Period Protection Method
More than a month Pinch the pipe
Less than a month Pinch or tape the pipe
Regardless of the period
: http://splitoff.ru/tehn-doc.html
Refrigerant Piping
Taping
Manual
valve
Regulator
Nitrogen
(V1849)
147