Outdoor Unit - Roland FAVORITE ON-OFF Series Service Manual

1.3.2

Outdoor Unit

Evacua�on for the whole system
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Procedure:
1. Confirm that the 2- and 3-way valves are opened.
2. Connect the vacuum pump to the 3-way valve's
service port.
3. Evacuate the system for approximately one hour.
Confirm that the compound meter indicates
-0.1 MPa (14.5Psi).
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4.
Close the valve (Low side) on the charge set and turn
off the vacuum pump.
Wait a period of five minutes then check whether the
5.
gauge needle moves a�er turning off the vacuum
pump.
6. Disconnect the charge hose from the vacuum pump.
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