LaboGene Mars, Руководство по обслуживанию

Страница: 43 / 59

Edition 3 April 2012 Mars/Mars Pro Service Manual
Page 43/59
The MARS cabinets all have, as standard, 2 HEPA filters, one for downflow, and one for exhaust. The filters are H 14
HEPA filters according to EN 1822 with a filtration better than 99.999% against 0.3µm particles with filtration of MPPS
better than 99.995%.
The HEPA filter is very fragile. Even a light touch on the filter surface may damage the filter.
In order to avoid any possible harm, it is recommended that while changing filters the service technician wears a
mask with filter of HEPA quality. (H 14 or better).
The used filters must be placed in special bags for biohazard waste immediately after removal. The special bags should be
handled as toxic material and sent for destruction in the same way as normal toxic waste from the lab.
When the main-or the exhaust HEPA filters need to be replaced, due to leakage or to higher pressure drop, it is
recommended that both filters are replaced at the same time.
WARNING It is important that the service technician is equipped with personal protection gear like lab-coat,
gloves and mask, and that the cabinet is documented decontaminated.
Filter specification:
Cat. No. Model Main filter Exhaust filter
9.000.050.001 MARS 900 457x915x110-115 mm H-14 457x610x69 mm,
Cat. No. 9.000.060.001
9.000.050.002 MARS 1200 457x1220x110-115 mm H14 457x610x69 mm,
Cat. No. 9.000.060.001
9.000.050.003 MARS 1500 457x1525x110-115 mm H14 457x915x69 mm,
Cat. No. 9.000.060.002
9.000.050.004 MARS1800 457x1830x110-115 mm H14 457x915x69 mm,
Cat. No. 9.000.060.002
To replace the HEPA filters the following procedure needs to be carried out:
Ensure the cabinet has been fully decontaminated and that the users can produce a decontamination certificate to ensure
the cabinet is safe to work on. DO NOT PROCEED WITHOUT THIS CERTIFICATE
If you are happy that the cabinet is safe then proceed as follows: Fig 11
1 Raise the motorized front window to its highest position and hinge it open and upwards,
securing it with the bracket as shown in figure 11.
2 Open the front service panel of the cabinet (A), to show the filters and fans.
3 Remove the front panel and place it in a safe area.
4. The internal filter/fan compartment is now accessible. Now unhook the anchors of the
Main filter by following the steps:
a.
loosen the lock nut,
b. unscrew the two handle bolts (placed on the right-hand and the left of the
cabinet below the plastic stoppers) and remove the squads.
c. Now lift up the frame and the pressure plenum and carefully remove
the main filter.
d. place the filter in a plastic bag and treat as biohazard waste.