Robinair 34134-2K Refrigerant Recovery, Recycle, Recharge Unit - Manual (Page 15)

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34134-2K Recovery, Recycling and Recharging Unit
Maintenance
CHECKING AND RESETTING FILTER CAPACITY
The filter-drier removes contaminants from the refrigerant. To check and reset the
filter capacity:
1. Turn the RECOVER/VACUUM switch on the control panel to OFF.
2. Press LB/KG and the TARE buttons (see page 4 for button locations) simulta-
neously to access “DIAGNOSTICS.”
3. Press the TARE button until the display reads “FILTER CAPACITY.”
4. Press the LB/KG button. The display will show the filter capacity remaining in
the selected weight measurement.
5. To reset the capacity, press the TARE and LB/KG buttons simultaneously.
The display will show “300 LB/136 KG” remaining.
6. Press any button to exit “DIAGNOSTICS.”
IMPORTANT!
Inspect the unit
periodically for
leaks. The manu-
facturer does not
reimburse for
lost refrigerant. CHECKING FOR LEAKS
Every three months, or as specified by local or state laws, you should check your
unit for leaks. To check for leaks:
1. Disconnect the power cord from the outlet.
2. Remove the shroud by removing the threaded screws at the back of the unit.
3. Use a leak detector to probe all fitting connections for refrigerant leaks.
Tighten fittings if a leak is indicated.
4. Reassemble the shroud to the unit, replacing all screws.
CHOOSING THE TEMPERATURE SCALE
The temperature scale may be changed from Fahrenheit or Centigrade using the
following procedure.
1. Disconnect the power cord from the outlet.
2. Remove the shroud by removing the threaded screws at the back of the unit.
3. A small selector switch is located on the back of the thermometer. Change the
position of the switch to change the temperature scale from either Fahrenheit
or Centigrade.
4. Reassemble the shroud to the unit, replacing all screws.