Metcal BVX-250 Serie Guide De L'utilisateur page 15

BVX-250 Series Fume Extraction System
User Guide
Optional Deep Bed Gas Filter
Deep bed gas filters generally do not clog and reduce airflow as is common with
HEPA filters. Replace both filters, pre-filter, and carbon filter, as soon as odors
become noticeable.
Notice:
saturation by absorbing moisture from ambient air. Use only original replacement filters.
7.3.
The safety switch is an interlock which deactivates the fan
motor when the main filter is removed, allowing the fan inlet
opening to be exposed. The safety switch also prevents the
system from operating without the filters, which would allow
impurities to contaminate the internal unit.
WARNING!
Do not bypass the safety interlock. Bypassing the safety interlock could result in injury.
7.4.
1. Turn the Unit off.
2. Disconnect the power cord.
3. Remove and replace the Pre-filter (see illustration below).
4. Remove and replace the Main filter (see illustration below).
5. Reinsert the filter by lining up the white dot on the filter holder with the white
dot at the top of the opening. Slide the filter into place.
6. Secure the filter holder by turning it 90 degrees clock-wise. The Metcal logo
should be right-side-up and parallel with the floor.
7. Reconnect the power cord and turn the system on.
8. If Unit does not operate, refer to the Troubleshooting section.
Notice:
Replace filters at least every 6 months, as most gas-phase filter media achieve
Safety Interlock
Filter Replacement Procedure:
Always use new replacement filters!
SAFETY SWITCH LOCATION
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