Table 11-4.--Controls and Indicators for the Refrigerant Recovery-Recycle Units
Controls the electrical system.
Protects the electrical system.
Connection for plant drain valve hose.
Opens recover port.
Allows to equalize the high and low internal pressures for
ease to start up under load and draining of oil.
Low Pressure Gauge
Tank Full Light
Disconnected when used with tank full bypass jumper
and Navy standard refrigerant cylinders.
Indicates the elapsed operating time.
Opens recycle port.
Connects hose to refrigerant cylinder.
High Pressure Gauge
Indicates high pressure going to the refrigerant cylinder.
Indicates moisture level of recycled refrigerant.
Oil Drain Port
Connection to attach hose for draining contaminated oil.
Oil Drain Selector Valve
For selection of No. 1 or No. 2 accumulator for oil
For selection of type of recovery operation (No. 1 for
liquid, high oil, and acid or No. 2 for vapor and light
Tank Cable Receptacle
Jumpered with MOLEX plug (tank full bypass jumper)
when used with Navy standard refrigerant cylinders.
Pump Down Valve
Allows pump down of unit for refrigerant change.
Figure 11-31.--Refrigerant recovery method.