Robinair 34288 Recovery, Recycling, Recharging Unit - Manual (Page 10)

8
Operating Instructions
Recover Refrigerant from a Vehicle
1 . .Empty .the .oil .drain .bottle .located .on .the .right-hand .
side .of .the .unit, .if .necessary, .or .make .note .of .the .
current .oil .level . .See .Figure .5 .
2 . .Connect .the .high- .and .low-side .hoses .to .the .vehicle .
A/C .system .
3 . .Open .the .coupler .valves .on .the .hoses .
4 . .Open .the .high- .and .low-side .panel .valves .on .the .
control .panel .
5 . .Press .the .RECOVER .button .
Note: The clicking noise heard during the recovery
process indicates the solenoid is opening and closing —
this is normal.
6 . .When .the .system .has .recovered .to .0 .psi, .the .vacuum .
pump .starts .and .runs .until .recovery .is .complete . .The .
unit .then .goes .into .an .automatic .oil .drain—this .may .
require .90 .seconds .to .complete .
7 . .After .the .oil .drain .is .complete, .the .display .shows
.
RECOVER .COMPLETE
. RECOVERED .XX .XX .LBS . .(X .XX .KG)
. CHECK .OIL .BOTTLE
Note: The displayed recovered weight can vary,
depending on ambient conditions, and should not be
used as an indicator of scale accuracy.
8 . .Check .the .oil .drain .bottle, .and .note .the .amount .of .oil .
that .was .removed .from .the .A/C .system . .This .is .the .
amount .of .new .oil .that .must .be .charged .into .the .A/C .
system .after .evacuation .is .complete .
• . Use .only .new .oil .to .replace .the .oil .removed .during .
the .recycling .process .
• . Dispose .of .used .oil .according .to .local, .state, .and .
federal .regulations .
Recovery .is .complete . .You .are .now .ready .to .either .
advance .to .the .charge .process, .or .to .make .repairs .to .the .
A/C .system .followed .by .the .evacuation .process .
Oil Drain
Bottle
Figure 5
Operating Tips
After the RECOVER function is selected :
• . If system pressure is below 10 psi, the display
reads
LOW .RECOVER .PRESSURE
CHECK .CONNECTIONS
until pressure increases, or the START / YES
button is pressed. Verify the high- and low-side
hoses are connected and coupler valves are
open. Press STOP / NO to exit.
• . If 100 lbs. (45 kg) or more of refrigerant has
been recovered since the last filter-drier change,
the display reads
FILTER .WEIGHT .XXX .LB .(XX .KG)
. To meet SAE J-2788 requirements, it is
mandatory to replace the filter-drier after
150 lbs. (68 kg) of refrigerant has been
filtered. .The unit gives a warning to replace
the filter when filter weight reaches 100 lbs.;
when filter weight reaches 150 lbs., the unit
locks out and ceases to operate. .Refer to
instructions outlined in the Maintenance section
under Replace the Filter-Drier.