42 / 120 EN
Split-type room air conditioner / Installation Manual
C
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 above.
7.4 Instructions for connecting piping to outdoor unit
1. Unscrew the cover from the packed valve on the side of the outdoor unit. (See Fig. 7.9)
Valve cover
Fig. 7.9
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. 7.10)
C
Use spanner to grip main body of valve
Torque from tightening the flare nut can snap off other parts of valve.
7
Refrigerant piping connection
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