A/C Refrigerant System, Discharging

NOTE:
- Refer to Service Precautions before attempting to discharge any A/C Refrigerant System. Service Precautions
- Make sure initial set-up has been carried out on the refrigerant recovery/ recycling/ recharging unit before discharging the A/C system.

A/C Refrigerant Recovery/Recycling Unit:

- Connect red high pressure hose -A- of refrigerant recovery/ recycling/recharging unit to high pressure service valve (fitting) on vehicle and open coupler valve.
- Leave blue low pressure hose -B- of refrigerant recovery/ recycling/ recharging unit disconnected. Only a high pressure service valve is used for A/C system servicing. A low pressure service valve is not installed. Carry out all A/C system service (e.g., discharging, evacuating and charging) through the high pressure service valve only
- Following refrigerant recovery/ recycling/ recharging unit manufacturer's instructions, discharge A/C system into refrigerant recovery/ recycling/ recharging unit.
- Disconnect power supply from A/C clutch to prevent accidental compressor operation with A/C system discharged.