Turn the piping end down to avoid the metal powder entering the
pipe.
3. Please make flare after inserting the flare nut onto the copper
pipes.
11.3.4. EVACUATION OF THE EQUIPMENT (FOR EUROPE & OCEANIA
DESTINATION)
WHEN INSTALLING AN AIR CONDITIONER, BE SURE TO EVACUATE THE AIR INSIDE THE
INDOOR UNIT AND PIPES in the following procedure.
1. Connect a charging hose with a push pin to the Low side of a
charging set and the service port of the 3-way valve.
- Be sure to connect the end of the charging hose with the
push pin to the service port.
2. Connect the center hose of the charging set to a vacuum pump
with check valve, or vacuum pump and vacuum pump adaptor.
3. Turn on the power switch of the vacuum pump and make sure
that the needle in the gauge moves from 0 cmHg (0 MPa) to / -76
cmHg (-0.1 MPa). Then evacuate the air approximately ten minutes.
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