The filter dryer of this unit has been designed in order to eliminate all acid residues and the moisture of the refrigerant R134a or 1234yf.The filter has to be changed when the display shows the message CHANGE FILTER or service counter turn to 0 (Zero).To change correctly the filter dryer, follow carefully these instructions below:

Caution: During the following phase it will be necessary to open the refrigerant circuit of the unit. Wear goggles and gloves

  1. Connect the unit to the electrical power supplied and press the RECOVERY key.
  2. Open the high and low pressure valves on the internal tank.
  3. Wait for the end of self-cleaning and evacuation.
  4. Let the compressor operate until the pressure indicated on the manometers has not decreased under the 0 (zero) bar value.
  5. Press the Exit key to stop the compressor. Now all the refrigerant has been drained from the filter and no pressure should be present.
  6. Close the valves on the internal tank.
  7. Disconnect the unit from the electrical power supply and remove the front cover by opening up four screw 
  8. Disconnect the filter with caution and replace it with a new one by filter wrench
  9. Call Bludee customer service 443-380-0088 to reset new lifecycle for you