6.2 Programming
Password protected access for trained personnel only!
Service mode: This menu is only operated by authorised service people from LaboGene,
distributors and trained technical people for safety reasons – who have got the Service access code.
In Service mode the following can be adjusted:
Airflow speeds downflow and exhaust through 2 air flow sensors.
The setting and calibration of the Alarms: Analogue air flow sensors or pressostats.
The configuration of the cabinet options: UV–light, light mode setting, electrical outlets, gas
resettable valves, PIR sensor.
External control setting: Output 0-10 VDC to volume gauge, external blower dampers or
CTS, input from external blower or CTS or pressure gauge mounted in the exhaust channel.
Decontamination through H
2
O
2
or Formalin.
6.3 Supervision – Alarm
The cabinet safety is constantly supervised so that any deviation from safe conditions or any fault in
the supervision system will be indicated immediately.
Safe conditions are indicated by a green LED light in the button for fan at normal velocity. Unsafe
conditions will be indicated both acoustically and visually by red flashing LED light.
The alarm will be initiated if:
The vertical air velocity inside the work area is outside the limits.
The air volume exhausted is below the limits.
The fan is running at reduced velocity.
After a power failure AND on normal start-up.
Optional 3
rd
sensor: A sensor mounted in the exhaust channel.
By activating the alarm when the cabinet runs at reduced speed the red LED will change from
flashing to constant light.
The alarm will be deactivated when the fan is running at normal velocity, all conditions are safe, or
the cabinet is switched off.
(The whole display can be flashing if there is an alarm – this setting is done as a default in alarm
setting).
6.4 PIR sensor
If the operation of the cabinet has to be automatic – i.e. the cabinets is ready to work when the
operator stick the arms in the work chamber.
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