Zero Point Calibration - Labconco Logic+ A2 Technical Manual

Zero Point Calibration

If a new airflow sensor is being calibrated (field installation or replacement), a zero point
calibration will be performed. To gain access to the
different password must be entered on the
[LIGHT] [UV LIGHT] [TIMER] [OUTLET] [OK/MUTE]
Upon entering this password successfully, select
Press [OK/MUTE]. Follow these instructions:
1. Before entering the
shown (below). The biosafety cabinet's internal blower(s) will automatically shut
off. If the biosafety cabinet is connected to a remote exhaust system, stop all
exhaust airflow before proceeding. Once all airflow is removed, press
[OK/MUTE].
AFS ZERO POINT
INTERNAL BLOWER WILL
SHUT OFF NOW. IF
CONNECTED TO EXHAUST
SYSTEM, STOP ALL
EXHAUST AIR FOR PROPER
ZERO POINT CALIBRATION
'OK' ONCE EXHAUST AIR REMOVED
2. The biosafety cabinet will display
samples the airflow sensor readings. When complete, the screen below is
shown. At this time, if the biosafety cabinet is connected to a remote exhaust
system, restart the remote exhaust now. Press [OK/MUTE].
3. Zero point calibration is now complete. The follow screens will proceed through
setting the blower speed(s) as would normally be done if the standard password
had been entered.
Password
Blower Speed screen(s), the
[OK/MUTE]
Wait
AFS ZERO POINT
IF CABINET CONNECTED TO
EXHAUST SYSTEM,
RESTART EXHAUST
SYSTEM NOW
'OK' WHEN EXHAUST AIR ON
50
Zero Point Calibration
Screen. This password is:
Calibration on the first screen shown.
Zero Point Warning
AFS ZERO POINT
for approximately 15 seconds while it
screens, a
screen is
WAIT