28
| Kaden Installation Manual
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
Fig. 5.9
2. Remove protective caps from ends of valves.
3. Add refrigerant oil to flare faces.
4. Align flared pipe end with each valve, and tighten
the flare nut as tightly as possible by hand.
5. Using a spanner, grip the body of the valve.
Do not grip the nut that seals the service valve.
(See
Fig. 5.10
)
Fig. 5.10
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.
Use spanner to grip main
body of valve
Torque from tightening the flare nut can snap off other
parts of valve.
J3387_Kaden_Installer_Manual_050917.indd 28
5/09/2017 9:08 AM