Abatement Technologies PRED1200 Manual de instruções - Página 9
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FILTER REPLACEMENT
Note: Personnel responsible for changing filters, servicing units or relocating units within the facility
are urged to wear the proper personal protective equipment and follow safe work practices in accordance
with federal, state, provincial, and employer regulations.
Note: Filters being replaced must be disposed of in accordance with federal, state, provincial, local and
facility regulations.
System airflow reduction is generally the result of filter loading, blockage of the unit's inlet or use of excessive
lengths of flex duct that is connected to the inlet.
The size and concentration of airborne contaminants, temperature and humidity conditions, and duration of use
determine how often filters need replacement. If the Filter Change Indicator(s) on the control panel illuminate, this
indicates one or more of the following: (1) pre-filter(s) are loaded, (2) the inlet or exhaust is obstructed, (3) the flex
duct, if attached to inlet or exhaust, is too long or has too many bends, and (4) the HEPA filter is loaded.
The method of determining when to replace the optional activated carbon filter is somewhat subjective. As the
odor, vapor, and/or gas filtration capacity decreases, the user will begin to sense a slight odor or taste of the
contaminant, indicating that the filter should be replaced.
Note: The filters are not reusable, therefore, do not attempt to clean and reuse them.
Caution: Abatement Technologies PRED1200 Portable Air Scrubber units are designed to meet or exceed
standards for high efficiency air filtration equipment. Use only Abatement Technologies parts, including
replacement filters. Use of non-Abatement Technologies parts and filters voids the product warranty
and all performance claims.
Warning: To reduce the risk of fire, electrical shock or personal injury, always turn the PRED1200 "OFF"
and disconnect the power cord from supply receptacle before replacing the HEPA filter and before
cleaning or servicing the unit.
FILTER CHANGE PROCEDURE
To Change the First Stage Filter:
1. With the unit operating, turn the latch on the pre-filter access door counterclockwise (approx ½ turn), and
open the door.
2. Remove the first stage filter and replace it with a new one.
3. Close the door and lock it in position by turning the latch clockwise. Make sure the door is flush against the
PRED1200 cabinet before closing latch.
4. If the "Change Pre-filter" light remains "ON" after changing the first stage filter, the second stage filter should
be replaced.
To Change the Second Stage Filter:
1. Open the pre-filter access door.
2. Remove the second stage filter and replace it with a new one.
3. Close the door and lock it in position.
4. If the "Change Pre-filter" light remains "ON" after changing the second stage filter, the optional third stage filter
should be replaced. The light would remain "ON" only if the optional third filter is in use and has become
loaded.
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