SYSPLIT WALL EDGE R32 INSTALLATION MANUAL
 Page 28 
Instructions for Connecting Piping 
to Outdoor Unit
1. 
Unscrew the cover from the packed valve on 
the side of the outdoor unit. (See Fig. 5.9) 
Valve cover
2. 
Remove protective caps from ends of valves.
3. 
Align flared pipe end with each valve, and 
tighten the flare nut as tightly as possible by 
hand.
4. 
Using a spanner, grip the body of the valve. 
Do not grip the nut that seals the service 
valve. (See Fig. 5.10) 
USE SPANNER TO GRIP MAIN 
BODY OF VALVE
Torque from tightening the flare nut can snap 
off other parts of valve. 
5. 
While firmly gripping the body of the valve, 
use a torque wrench to tighten the flare nut 
according to the correct torque values.
6. 
Loosen the flaring nut slightly, then tighten 
again.
7. 
Repeat Steps 3 to 6 for the remaining pipe.
Fig. 5.9
Fig. 5.10
Refrigerant 
Piping 
Connection 










