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REFRIGERANT PIPING CONNECTION
6
Instructions for Connecting Piping to Indoor Unit
1. Align the center of the two pipes that you will connect. See Fig. 6.7.
2. Tighten the are nut as tightly as possible by hand.
3. Using an adjustable wrench, grip the nut on the unit tubing.
4. While rmly gripping the nut on the unit tubing, use a torque wrench to tighten the are nut according to the
torque values in the Torque Requirements table. Loosen the aring nut slightly, then tighten again.
USE ADJUSTABLE WRENCH TO GRIP
MAIN BODY OF VALVE
Torquefromtighteningthearenutcansnapo
other parts of the valve. See Fig. 6.10.
Instructions for Connecting Piping to Outdoor Unit
1. Unscrew the cover from the packed valve on the side of the outdoor unit. (See Fig. 6.9)
2. Remove protective caps from ends of valves.
3. Align ared pip end with each valve, and tighten the are nut as tightly as possible by hand.
4. Using an adjustable wrench, grip the body of the valve. Do not grip the nut that seals the service valve. (See
Fig. 6.10)
5. While rmly gripping the body of the valve, use a torque wrench to tighten the are nut according to the
correct torque values.
6. Loosen the aring nut slightly, then tighten again.
7. Repeat steps 3 to 6 for the remaining pipe.