Value VRR24L-R32 - Page 6

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OPERATION MANUAL
9. If the refrigerant tank has no float level sensor , please take the 80 % O.F.P Cable off. Otherwise
the recovery unit can not started . In this case, an electric scale is required to mon itor the recovered
refrigerant amount.
10. In order to gain maximum recover speed , a hose with inner diameter bigger than 4mm is
recommended and the hose should better be shorterthan1.5m.
11. Wh ile recover ing large amounts of liquid, use the Push/Pull Mode.
12. After recover ing , make sure there is no refrigerant left in the un it. Read the Purge Operation
carefully. Liquid refrigerant remained in the unit may be expanded and destroy the components.
13. If the unit is to be stored or not used for any length of time, we recommend that it be comp lete ly
evacuated of any residual refrigerant and purged with dry nitrogen .
14. Connection hose with check valve is recommended , it can prevent refrigerant lose.
15. The intake port is equipped with filter screen, please wash it frequently to keep it clean .
16. The Low Pressure Gauge shows the pressure of the intake port of the compressor and the High
Pressure Gauge shows the pressure of the outlet port of the recovery unit.
17. After using , please ture the knob to " 0" position .
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