LaboGene Mars, Service Manual, Page: 11 / 59

Edition 3 April 2012 Mars/Mars Pro Service Manual
Page 11/59
NOTE – Item numbers
The item numbers refer to the spare parts li
st at the end of this service manual. The catalogue number for the item will
be found in this spare parts list.
3.1 Cabinet Exhaust system accessories.
The safety cabinet can be equipped with a range of exhaust system accessories as shown Fig 1 Airflow sensor
1. Double exhaust filter – HEPA 9.001.020.109
Normally factory fitted but can be retro fitted if required.
Required in UK for recirculating Class II cabinets when working with Cat 3
biohazard material. Available for all cabinet models with 2 sizes available.
One for 900 and 1200 cabinets and one for 1500 and 1800 cabinets.
NOTE: When fitting or removing the secondary filter take care to avoid
damage to the air flow sensor
shown in Fig 1.
Fig.1.
2. Double exhaust filter – Carbon 9.001.020.110
Normally factory fitted but can be retro fitted if required.
Required if working with organic / inorganic solvents that need to be removed
from exhaust air. Available for all cabinet models with 2 sizes available.
One for 900 and 1200 cabinets and one for 1500 and 1800 cabinets.
NOTE: When fitting or removing the secondary filter take care to avoid
damage to the air flow sensor
shown in Fig 2.
Fig.2.
3. Direct duct kit for thimble extraction 9.001.020.122/123
This can be fitted to cabinets when the exhaust air is to be vented externally. It
allows the room air to be vented via the same duct extract. Available for all
cabinet models with 2 sizes available. One for 900 and 1200 cabinets and one
for 1500 and 1800 cabinets. Not suitable for use in UK. It consists of a 200mm
Ø duct spigot on a housing and will fit over the exhaust filter. Care must be
taken when fitting to avoid damaging the airflow sensor.
4. Direct duct kit with horizontal venting 9.001.020.118/120
This kit is designed for use when the cabinet is to be hard ducted with all air
vented externally. An anti blow back flap prevents the back flow of air to the
cabinet should a remote fan fail. This design is mandatory for all hard ducted
systems. The horizontal vent outlet is 200mm Ø and allows it to be mounted
with cabinets venting to the right or left by turning through 180º. Care must be
taken when fitting it to avoid damage to the airflow sensor. Available for all
cabinet models with 2 sizes available, one for 900 and 1200 cabinets and one
for 1500 and 1800 cabinets.