Bosch Climate 5000 RAC 2,6-2 OU Installation Manual page 20

Refrigerant Piping Connection
WARNING
DO NOT USE EXCESSIVE TORQUE
Excessive force can break the nut or damage the refrigerant piping. You
must not exceed torque requirements shown in the table.
Instructions for Connecting Piping to Outdoor Unit
1. Unscrew the cover from the packed valve on the side of the outdoor
unit. (See Fig. 36)
Fig. 36.
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. 37)
WARNING
USE SPANNER TO GRIP MAIN BODY OF VALVE
Torque from over tightening the flare nut can snap off other parts of
valve.
Fig. 37.
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.
20
Valve cover
Climate 5000 – 6720886909 (2018/04)