Outdoor unit
Liquid side piping
(Smaller diameter)
(Bigger
Torque wrench
Unscrew the cover from the packed
valve on the side of the outdoor unit.
Remove protective caps from ends of
valves.
Align flared pipe end with each valve,
and tighten the flare nut as tightly as
possible by hand.
Using a spanner, grip the body of the
valve. Do not grip the nut that seals
the service valve.
28
Connecting Piping to Outdoor Unit
3
While firmly gripping the body of the
valve, use a torque wrench to tighten
the flare nut according to the correct
torque values.
Loosen the flaring nut slightly, then
tighten again.
Repeat Steps 1 to 3 for the remaining
pipe.
USE SPANNER TO GRIP MAIN
BODY OF VALVE
Torque from tightening the flare nut
can snap o other parts of valve.
This section still needs to be operated according to the TORQUE REQUIREMENTS chart on the
previous page.
NOTE
Step 1：
Step 2：
Step 3：
Valve cover
Connect all
pipes
Unscrew
the cover
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