Carrier Klarwind - Connecting the Pipes; Pipe Connection Precautions and Methods; Drain Hose Connection

User / Install Manual
Precautions for connecting pipes
● R410A refrigerant is highly absorbent, so do not open the valve for too
long unnecessarily.
● When installing the unit, use the tool for R410A only.
● For more details on the R410A product installation/characteristics, refer to
the service guide.
Caution
No moisture and dust.
1
No leakage and mineral pollution.
2
Accurately attached.
Use a vacuum pump before
charging refrigerant.
3
5
Welding with nitrogen
Charge the refrigerant in liquid phase.
(Do not charge the refrigerant in gas
phase.)
4
6
CONNECTING THE PIPES
Copper pipes for storage.
7
Use the R410A tool only for high
pressure.
8
Replace the vacuum pump oil periodically.
9
1 / 2”UNF ( R 410A)
7/ 1 6”UNF( R 22 )
33