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Procedure:
1. Connect a charging hose with a push pin to the Low and High
sides 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 centre hose of the charging set to a vacuum pump.
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 for approximately 10
minutes.
4. Close the valve of both Low side and High side of the charging
set and turn off the vacuum pump. Make sure that the needle in
the gauge does not move after approximately 5 minutes.
BE SURE TO TAKE THIS PROCEDURE IN ORDER TO AVOID
REFRIGERANT GAS LEAKAGE.
5. Disconnect the charging hose from the vacuum pump.
6. Charge the pipes and indoor unit with gas refrigerant from liquid
(High) side 3-way valve service port and then discharge the
refrigerant until gas (Low) side gauge needle indicates 3 kg/cm
2
(0.3 MPa).
51
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Содержание CS-A281KR
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