Charging the Refrigerant System (Liquid)

CHARGING THE REFRIGERANT SYSTEM (LIQUID)

NOTE: This step is to charge an empty system through the high pressure side with refrigerant in a liquid state. When the refrigerant container is held upside down, refrigerant will enter the system as a liquid.

CAUTION: Never run the engine when charging the system through the high pressure side. Do not open the low pressure valve when the system is being charged with liquid refrigerant.

1. Close both high and low pressure valves completely after the system is evacuated.
2. Install the refrigerant can tap valve as described in "Handling the Refrigerant Service Tap Valve section.
3. Open the high pressure valve fully and keep the container upside down.
4. Charge the system to the specified amount by weighing the refrigerant with a scale. Overcharging will cause discharge pressure (high side) to rise. Then, close the high pressure valve.

Specified amount: 680 ± 25g

5. After the specified amount of refrigerant has been charged into the system, close the manifold gauge valve.
6. Confirm that there are no leaks in the system by checking with a leak detector. Refer to Checking for Refrigerant Leak.

NOTE: Conducting a performance test prior to removing the manifold gauge is good service practice.