Page 27
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 an adjustable wrench, grip the body
of the valve. Do not grip the nut that seals
the service valve. (See Fig. 5.10)
USE ADJUSTABLE WRENCH 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
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