Purpose: To properly remove gauges and minimize the loss of refrigerant.
1. Operate the unit in the cool mode.
2. Back seat the discharge service valve stem.
3. Open both manifold hand valves.
4. Front seat the suction service valve and pump down the compressor to a 20 inch vacuum. Turn the unit off.
5. Establish compressor crankcase pressure between 1 and 3 psig.
6. Remove the gauge line from the suction service valve and cap the service port.
7. Remove the gauge line from the discharge service valve and cap the service port.
8. Back seat the suction service valve and cap the valve stem.
9. Cap the discharge service valve stem
10. Secure all manifold lines to manifold hose anchors when the manifold is not in use.
