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Page 36
7
Outdoor Unit Installation Instructions
Outdoor Unit
Installation
MINIMUM BEND RADIUS
When bending connective refrigerant piping,
the minimum bending radius is 10 cm (4”).
Radius ≥10cm (4 in)
Instructions for Connecting Piping
to Outdoor Unit
1.
Unscrew the cover from the packed valve on
the side of the outdoor unit.
Valve Cover
2.
Remove protective caps from the valve ends.
3.
Align flared pipe end with each valve, and
tighten the flare nut as tightly as possible
by hand.
4.
Using a spanner, grab the body of the valve.
Do not grab the nut that seals the service
valve.
USE SPANNER TO GRAB THE
BODY OF THE SERVICE 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.
DO NOT USE EXCESSIVE TORQUE
Excessive force can break the nut or damage
the refrigerant piping. You must not exceed
the torque requirements shown in the table
provided on page 29.
Gas Tap
Liquid Tap
Indoor Unit
Protection Caps
Liquid Valve
Gas Valve
Service Port Nut
Tap
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