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3.2. HEPA filter
The HEPA filter is an optional accessory for the CL/SL range. This option is factory preinstalled. The filter has
H13 class to PN-EN1822-1:2009 norm. It should be located at the rear of the unit. The filter itself is delivered
separately. You should place it in the cover so the black gasket is outside, then screw the cover to the rear
wall of the unit. Please ensure that the distance between the filter and wall is not less than 100mm.
3.3. To install internal glass door
Internal glass door are available as an option in CHL and ST units and not available in ZL
and SL units. In IL and CL units internal glass door are standard equipment.
The internal glass door comes as an option. To open or close the door use the plastic latch
so the door will not fall out of the hinges. If the unit is working at high temperatures, do not
touch the inner chamber or the glass door to avoid burning your skin. Use protective gloves
to protect yourself.
3.4. Condensation in the chamber
If the given temperature is much lower than the ambient temperature, as a result of condensation. water may
accumulate at the bottom of the chamber.
The amount of water depends on the following factors:
- Differences between ambient and set temperatures
- Frequency of door openings
- Temperature of samples
The manufacturer does not recommend to install and disassemble of internal glass doors. Incor-
rect assembly or dismantling may damage the glass and cause injury to the user.
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