Rothenberger ROREC Pro A3 Bedienungsanleitung Seite 25

Recovery mode:
Preparation:
Connect the hoses correctly and firmly. Make sure all valves are closed.
1. Switch off the power of refrigerant equipment.
2. Open the vapor and liquid valves of refrigerant equipment.
3. Open the vapor valve of the refrigerant tank.
4. Open the ball valves an the hose connected to the recovery machine outlet.
Start operation:
5. Press the "START" button to start machine.
6. Turn the knob to "Recover''.
7a. If recover liquid refrigerant, please open the liquid valve of the manifold gauge.
7b. If recover vapor refrigerant, please open the vapor valve of the manifold gauge.
8. Recovery is completed when machine enters into a vacuum. In Automatic shutoff this would
be at -20inHg.
9. When recovery is completed, you can run self-purging right away without powering off.
If liquid hammer happens in the recovery please slowly turn the knob to „SLOW"
position, let the reading of the low-pressure gauge drops until liquid hammer stops. Da
not let the reading drop to zero, otherwise the inlet port will not pump!
If it is difficult to start, turn to "CLOSE" when liquid turn to "PURGE" when vapor, then
press "START" to restart the machine, and turn to the required position!
ENGLISH 21