Robinair 25175B REFRIGERANT RECOVERY SYSTEM - Manual (Page 12)

SELF PURGING YOUR 25175B
PROCEDURE FOR PURGING REMAINING REFRIGERANT FROM THE 25175B
1. Close the ports of the system being serviced that
are connected to the input port of the 25175B.
2. Close the input port on the 25175B.
3. Turn off the 25175B.
4. Turn the Recover/Purge valve to the Purge posi-
tion.
5. Restart the 25175B.
6. Run until desired vacuum is achieved.
7. Close the ports on the recovery tank and the
25175B.
8. Turn the 25175B off.
9. Return the Recover/Purge valve to the Recover
position.
10.Disconnect and store all hoses.
11.Replace the in-line filter on your 25175B after
every job.
SELF PURGE/ AUTO EVACUATE
To change from Recovery mode to Purge follow the steps below:
1. Close the Input port
2. Turn the unit off (to prevent high pressure shutoff).
3. Switch to Purge position.
4. Restart the unit.
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