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Connecting Piping to Outdoor Unit
3
NOTE
This section still needs to be operated according to the TORQUE REQUIREMENTS chart on the
previous page.
Outdoor unit
Unscrew
the cover
Valve cover
Liquid side piping
(Smaller diameter)
(Bigger
Torque wrench
Connect all
pipes
Step 1：
Unscrew the cover from the packed
●
valve on the side of the outdoor unit.
Step 2：
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.
USE SPANNER TO GRIP MAIN
BODY OF VALVE
Torque from tightening the flare nut
can snap o other parts of valve.
Step 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.
28
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