Esco Class II User Manual

9
Class II Biological Safety Cabinets
Note: If the message "Call Service for re-certification" is displayed, it means the BSC certification has expired.
Call service or Esco's local distributor for re-certification.
2.5. Diagnostic Mode
Diagnostic mode can be accessed by pressing the SET button. The diagnostic mode allows the user to know the
condition of the BSC or help the service engineer during maintenance and troubleshooting.
On Screen Explanation
MODE
Shows which mode is active: NORMAL MODE, QUICKSTART MODE or MAINTENANCE MODE
VERSION
Shows the version of the software; eg: CP104D V 1.0
TEMPERATURE
Shows the temperature inside the cabinet.
B/H/M
Blower Hour Meter – increase by the hour.
SASH CYCLE
Shows the cycle of sash moving. Maximum cycle is 16000.
FILTER LIFE
Shows percentage of filter life (based on Filter Hour Meter) and expected filter life of 10000
hours.
AF OUT TEMP
Velocity display status when temperature out of range
UV LIFE
Shows percentage of UV lamp life (based on UV Lamp Hour Meter).
UV TIMER
Shows the UV timer value – default is 60 minutes. Maximum value is 00 minutes (infinite on).
MUTE TIMER
Shows the mute timer value – default is 30 seconds. Maximum value is 299 seconds.
ADC IFF
ADC for Fail Point Inflow – calculated using offset based on Inflow Nominal Point.
ADC IFN
ADC for Nominal Point Inflow – based on field calibration.
ADC IFA
ADC for Actual Inflow – showing real time sensor reading.
ADC IF0
ADC for factory calibrated Zero Point Inflow (no inflow).
ADC IF1
ADC for factory calibrated Fail Point Inflow.
ADC IF2
ADC for factory calibrated Nominal Point Inflow.
DFN
Nominal of Downflow – keyed in during factory or field calibration.
CONSTANT
Airflow sensor constant. This value is needed when ordering a new sensor.
CALIB TEMP
Temperature when the factory calibration was performed.
ADC TEMP
ADC value for TEMPERATURE.
M_SWITCH1
Shows the condition of magnetic switch 1 – fully open position.
M_SWITCH2
Shows the condition of magnetic switch 2 – safe position.
M_SWITCH3
Shows the condition of magnetic switch 3 – fully closed position.
TYPE
Cabinet type

Esco Class II Specifications

General

Lighting	LED
UV Light	Optional
Certification	NSF/ANSI 49, EN 12469
Airflow Pattern	Laminar
Inflow Velocity	0.38 m/s ± 20%
Downflow Velocity	0.25 m/s ± 20%
HEPA Filter Efficiency	99.99% at 0.3 μm
Material	Stainless steel
Noise Level	< 65 dBA
Front Opening	200 mm (8")
Application	Microbiology, cell culture
Type	Biosafety Cabinet