Robinair 34134-2K Refrigerant Recovery, Recycle, Recharge Unit - Manual (Page 13)

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34134-2K Recovery, Recycling and Recharging Unit
CHECKING AND CALIBRATING THE SCALE
To check and calibrate the unit’s scale:
1. Remove the tank from the platform.
2. Press the TARE button (see page 4) until the display reads “00.00.”
3. Press the TARE button once more. The display reads “TOTAL” and “0+ .10.”
4. Place a known weight on the scale. The display will show the known weight
“+ .04 LB/.02 KG.”
5. If the display does not, recalibrate the scale.
6. To recalibrate, press the TARE and LB/KG buttons simultaneously to access
“DIAGNOSTICS.”
7. Press the TARE button until the display shows “CALIBRATION.”
8. Press LB/KG. Press YES (TARE) to continue or NO (LB/KG) to return to
main menu.
9. With no weight on the platform, press LB/KG. The display shows “30 LB/15
KG.” Place the indicated weight on the platform.
NOTE: This weight must be EXACT for accurate scale calibration.
10. Press LB/KG. “PLEASE WAIT” shows on the display for approximately 10
seconds.
11. Reverify scale accuracy.
IMPORTANT!
You must have a
known weight of
15KG +.005
(30LB + .01)
Maintenance