5.4
Volume Slide Position Calibration
Touching the cell associated with the measured value of the
Volume Slide Position
will bring up the calibration
Capacity Slide Position Calibration
. However, the volume slide cannot be calibrated automatically.
fig.119:
Volume Slide Calibration Pad
1. Calibrate or confirm that the primary capacity slide has been calibrated.
2. Put the control panel in
Service Mode
.
3.
START
the compressor.
4. Touch the
Volume Slide Position
entry to bring up the calibration pad. Automatic or manual control of the
volume slide is suspended.
5. Touch the
UNLOAD
button. Wait until the volume slide reaches the low Vi position. The
Vi Slide Indicator
should stabilize at 4 mA when the slide is completely unloaded.
6. Touch the
Save Low Offset
button, the corresponding slide valve position sensor output has been recorded
as the fully unloaded position.
7. Touch the
LOAD
button. Wait until the Vi slide valve reaches the high Vi position. The
Vi Slide Indicator
should stabilize at 20 mA when the slide is fully loaded.
8. Touch the
Save High Offset
button, the corresponding slide valve position sensor output has been recorded
as the fully loaded position.
9. Touch the
UNLOAD
button again. The volume slide should fully unload and the indicated Vi Slide Position
(%) should track with it.
Touch the
LOAD
button to fully load the volume slide and observe the Vi Slide Position (%).
10. If the
Vi Slide Position
(%) appears to track with the Vi slide indicator, the calibration is complete.
11. Touch the
X
to close the calibration window.
12. Automatic or manual control will resume depending on the control parameter setting.
13. Calibration of the Vi slide is complete.
14. The compressor may be taken out of
Service
mode and
Stopped
if desired.
Instruction Manual | GEA Omni™
Control panel
Sensor Calibration
Volume Slide Position Calibration
GEA Refrigeration North America, Inc. | E_806550_2 | Generated 12.01.2016
231
Содержание Omni
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