Refrigerant RecyclingIf open inspection has to be done for refrigerant system or any component of refrigerant circulation pipe has to be replaced during repair of the unit, the refrigerant of the unit shall be recycled to reduce direct discharge of refrigerant into the atmosphere. In this way, the majority of refrigerant will be recycled and stored in condenser. After the repair is completed, just fill a little refrigerant.■ How to operate( 1 ) Close the stop valve at condenser outlet.( 2 ) Start the unit.( 3 ) Wait until the pressure relay (on low-pressure side) is activated.( 4 ) Stop the unit.( 5 ) Repeat the above operations 3~5 times (to recycle the refrigerant as it might be).Note:(1) Do not short-circuit the pressure relay or the temperature switch(discharge gas) for any reasons whatsoever.(2 ) Warm up the compressor for about 15 minutes before performing pump down.(3) Pump down must be done when refrigerating.
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