Robinair 348012K Recovery, Recycling, Recharging Unit - Manual (Page 19)

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348002K/348012K Cool-Tech Recovery/Recycling/Recharging Unit
NOTE: If any oil was drained from the system during recovery, DO NOT use the
VAC-CHG feature. The oil must be replenished into the A/C system, which is not
possible when the VAC-CHG function is used.
VACUUM
1. Press ENTER to accept the default evacuation time of 15:00 minutes or enter
the desired vacuum time by using the number keys (To enter 10 minutes, press
1 and 10:00 should appear on the display. To enter 1 minute, press 0 then press
1, and 1:00 should appear on the display).
2. Press ENTER. The unit evacuates the A/C system and stops when the
specified time has elapsed.
3. You are now ready to replenish the A/C system oil (if necessary) or to recharge
the system with refrigerant.
4. Press STOP to exit.
VAC-CHG
1. Press CHARGE to select the VAC-CHG feature.
2. Press START to charge the default amount of refrigerant (2.00lb) or use the
number keys to enter the desired charge weight. Then press ENTER .
3. If the weight entered leaves less than 5 lbs. of refrigerant in the external storage
vessel, the VAC-CHG process does not begin and the display reads LOW
REFRIGERANT. At this point, refrigerant must be added to the external
storage vessel. See the OPERATING GUIDELINES section of this manual for
external storage vessel refill instructions and then return to Step 1 of
EVACUATING THE A/C SYSTEM.
4. If the external storage vessel contains a sufficient amount of refrigerant, press
ENTER to accept the default evacuation time of 15:00 minutes or enter the
desired vacuum time by using the number keys. Then press ENTER .
5. The unit automatically charges the A/C system after the specified vacuum time
has elapsed.
6. Advance to Step 6 of RECHARGING THE A/C SYSTEM in this manual to
complete the charging process.
Operating Instructions
IMPORTANT!
You should
evacuate the A/C
system for at
least 15 minutes
to ensure
adequate
moisture and
contaminant
removal.