Operation - Refco ENVIRO-DUO Manual De Instrucciones

Instruction Manual ENVIRO-DUO

7. Operation

1. Do not mix different refrigerants together in one tank,
otherwise they cannot be separated or used.
2. The switch should be at"Position 0"before operation. All
the valves must be closed, the input and output fittings
should be covered with protective caps when the unit is
not in operation. Air humidity is harmful to the recovery
result and will shorten the life span of the unit.
3. A filter drier should always be used and should be replaced
frequently. Each type of refrigerant must have its own
filter. For the sake of ensuring the proper operationof the
unit, please use the filter specified by our company.
High quality filter drier will bring high quality
4. Special caution is needed when recovering from a burnt
system. In this case two dry filters are required.
5. The unit has an Internal High Pressure Shut-Off Switch.
If the pressure inside the system is above 38.5 bar, the
compressor will automatically shut off the power.
To restart the compressor, please lower the internal pressure,
then push on the start button to restart the compressor.
When High Pressure Protection is initiated, please find out
the cause and deal with it before restarting the unit.
Cause of High Pressure Protection and Trouble Shooting:
a. The input value of the refrigerant tank is closed — open
the valve to solve the problem.
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