Maintenance – Robinair 34134Z Refrigerant Recovery, Recycle, Recharge Unit User Manual
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Recover/Recycle/Recharge Unit
23
Periodically, the internal storage vessel (ISV) will require additional refrigerant.
Use the following steps to add refrigerant to the ISV.
1. Connect the R-134a tank adapter to the liquid valve on the refrigerant
source tank.
2. Connect the service coupler of the low-side hose (blue) to the adapter.
NOTE: If using a refillable source tank, connect to the vapor valve.
3. Open the valve on the source tank, place the tank upside down in the
source tank compartment, and secure the source tank strap around the
tank.
4. Press the Mode key until RECOVER XX.XXLBS (KG) is displayed. (XX.XX
is the amount of refrigerant capacity remaining in the ISV.)
5. Press the Arrow keys to adjust to the desired recover weight.
Note: Although the display shows the refrigerant capacity remaining in the
ISV,
the ISV should not be filled to this level
. At least 9 lbs. (4 kg) of
refrigerant capacity should be available in the ISV after filling to allow
space for the next A/C recovery. Therefore, adjust the unit to fill the ISV to
a level at least 9 lbs. (4 kg)
less
than what the display shows as the
remaining refrigerant capacity.
6. On the control panel, open the low-side valve; verify the high-side valve is
closed.
7. Press the Start/Stop key. The ISV begins filling, and the screen displays
the amount of refrigerant being transferred to the ISV.
8. The unit will automatically stop when the desired amount has been
transferred to the ISV. The display will flash between:
and
NOTE: Drain oil after the internal storage vessel is filled.
9. Unstrap the source tank, remove it from its compartment, then close the
source tank valve.
10. Disconnect the hose from the tank.
11. Cap the source tank with its original tank cap. For storage, place the source
tank upright in the source tank compartment, and secure the source tank
strap around the tank.
Adding Additional Refrigerant to the Internal Storage Vessel
RECOVER
XX.XXLBS
DRAIN OIL
Maintenance
R-134a Tank
Adapter