10. A/C and Safety System 10-147 A/C system Note: – Before charging the refrigerant, the A/C system shall be vacuumed. – Refrigerant charging shall be carried out after the replenishment of the lubricating oil into the A/C compressor. 1. Charge the refrigerant. a. Select the "Refrigerant make-up" option of the equipment to adjust the filling volume. b. Open the low pressure valve switch ① , close the high pressure valve switch ② , and start the equipment for filling. c. Observe the display of equipment. When the filling volume has reached the set value, the equipment screen will show that filling is complete. d. Close the valve and the filling is complete.
Please fill the refrigerant according to the following standards. If the equipment shows that the filling speed is too slow, please refer to the following filling methods: – Disconnect the high pressure connector of the cooling circuit and connect only the low pressure side. – Close the high and low pressure valves of the equipment. – Put the car in parking gear, start the car, turn on the A/C and set it to low temperature mode. – Turn on the low pressure valve switch of the equipment, and the refrigerant will be filled into the refrigeration pipeline from the low pressure side.
– Disconnect the low pressure connector when the pressure gauge shows that the standard low pressure value is reached. – Refrigerant filling is complete. VOYAH FREE Type of refrigerant Filling volume of refrigerant R134a 670g (EV) R134a 620g (REV)