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INSTALLATION INSTRUCTION (OUTDOOR UNIT)
PIPES CONNECTION
1. Connect the pipes to the outdoor unit tap by using
flare nuts.
2. Tighten the flare nut. Careful not to damage the flange
to prevent leakage.
BLEEDING
The air and humidity left inside the refrigerant circulation
can cause compress to malfunction. After connecting the
indoor and outdoor units, bleed the air and moisture from
the refrigerant circulation using a vacuum pump.
1. Unscrew and remove the caps from the 2-way and
3-way valves.
2. Unscrew and remove the cap from the service port.
3. Connect the vacuum pump hose to the service port.
4. Operate the vacuum pump for 10-15 minutes until an
absolute vacuum value reach 10mm Hg.
5. With the vacuum pump still in operation, close the low
pressure knob on the vacuum pump coupling. Then
stop the vacuum pump.
6. Open the 2-way valve by 1/4 turn and then close it
after 10 seconds. Check all the joints for leaks.
7. Turn the body of the 2-way and 3-way valves.
Disconnect the vacuum pump hose.
8. Replace and tighten all the caps on the valves.
