Labconco Type C1 Biosafety Cabinet Models 30468 - Manual (Page 148)

Product Service 1-800-522-7658 148
Relay Contact #2……the “airflow error” contact
This set of contacts (dry contacts pins 1 & 2 of J3 on the electrical enclosure, and the
ORANGE wires on Labconco harness P/N 3432300) will indicate when the Axiom has
detected an airflow error, as described by the conditions below:
Type of Axiom
unit Alarm
Condition LCD display
message Airflow Error
dry contacts Comments
All Labconco
Axiom Cabinets Sash out of
position SASH TOO HIGH No Response
Motor RPM has
shifted abruptly
AIRFLOW ALERT Contacts shorted
HEPA Filter
approaching end
of life—20% CHECK FILTER
(Filter life indicator
at 20% or less) No response
HEPA Filter
approaching end
of life-10%
CHECK FILTER
(Filter life indicator
at 10% or less)
Contacts shorted
HEPA Filter end
of life- 0%
CHECK FILTER
(Filter life indicator
at 0%)
Contacts shorted Unit beeps
approximately
every 15 seconds
**Note all
specialty Axiom
BSC’s below will
have all the
alarm conditions
listed above, plus
specific alarms
listed below”
A2 BSC with
canopy sensor**
( see above)
Canopy Airflow
incorrect CANOPY ERROR Contacts shorted
A2 BSC with
airflow sensor**(
see above)
Downflow Airflow
incorrect
Alarm - Airflow Contacts shorted
B2 BSC**( see
above) Exhaust airflow
not correct Alarm - Inflow Contacts shorted