Multi-zone ART Workstation User Manual Rev. 6.0
53
•
Press the MENU button. If the cabinet is in Maintenance Mode, no PIN will be
asked. If the cabinet is in Normal Mode, enter PIN 0009. Press the
▼
button until
the display sho
ws “FIELD CALIB”, then press SET.
•
The pointer will be at “AirFlow Calib”. Press
the SET button.
•
A “Read Manual” message is shown to discourage
an unauthorized person. Press
SET to continue.
•
Ensure that the Nominal Airflow Setpoint is 0.21 ± 0.02 m/s. The airflow volume
is blinking, indicating that it can be changed. Select your obtained Airflow using ▲
and ▼ buttons. Press the SET button to continue.
•
Wait for 3 minutes for the software to record this sensor ADC point. Do not change
Motor Duty Cycle or disrupt airflow/ sensor during this time.
•
After the 3-minute countdown has been completed, a beep will sound, and then
the display shows “CALIBRATION DONE”. The screen will go back to the MENU
options shown in Step 2.
•
Return the cabinet from Maintenance Mode to Normal Mode.
If the Calibration Error message is displayed, please ensure that airflow is
within ± 0.02 m/s from nominal and repeat the calibration.
18.4 Replacement of filter
Filter replacement
1.
Remove the polycarbonate cover, which is held in position by screws M4 in front
and thumbscrews at the back.
2.
Remove the airflow sensor, which is held in position by screws M4.
Figure 18.9
Airflow Sensor removal
Supply Filter Removal
3.
Remove the Hexagon Bold M8 screw and then the Clamp Filter. Carefully remove
the ULPA filter.