ABATEMENT HEPA-AIRE HA700 Instruction Manual - Page 9

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lengths of flex duct.

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 illuminates, the differential

pressure gauge on the control panel reads 1.6" WC or greater (HA700A only), and/or the Audible Alarm

sounds (HA700A only), this indicates one or more of the following: (1) pre-filter(s) are loaded, (2) the inlet is

obstructed, (3) the flex duct, if attached, is too long or has too many bends, and/or (4) the HEPA filter is

loaded.

If using an activated carbon filter, the method of determining when to replace the alternative 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: The HA700 and HA700A Portable Air Filtration 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 HA700 and HA700A

"OFF" and disconnect the power cord from supply receptacle before replacing the HEPA filter and before

cleaning or servicing the unit.

FILTER CHANGE PROCEDURE

The Filter Change Indicator light located on the control panel will indicate when one or more of the filters need

to be changed. This is based on a factory setting and the filters can be changed earlier, if desired, to maintain

a minimum air flow requirement. Since the Filter Change Indicator Light is based on the pressure drop across

all of the filters, it cannot indicate specifically which filter needs to be changed. Therefore, when the Filter

Change Indicator Light illuminates, the first stage filter should be changed first to see if the light turns off. If the

light remains, then the second stage filter should be changed. If the light remains, then the HEPA filter should

be changed.

To Change the First Stage and Second Stage Filter(s):

1. With the unit operating, remove the plastic door, replace the first or second stage filter with a new one,

then replace the door.

2. If the Filter Change Indicator light remains "ON", the Filter Change Audio Alarm sounds, and/or

differential pressure gauge reads 1.6" WC or greater after changing the first stage filter, the second

stage filter should be replaced.

3. If the Filter Change Indicator light remains "ON", the Filter Change Audio Alarm sounds, and/or

differential pressure gauge reads 1.6" WC or greater after changing the second stage filter

filter should be replaced.

Note: If an alternative VAPOR-LOCK® filter is being used, be sure to remove it from its poly bag before

installing it in the unit. Carbon filters are packaged in poly bags to preserve the integrity of the carbon granules.

To Change the HEPA Filter:

Turn the unit "OFF" and disconnect the power cord from the electrical outlet.

Remove the door and the pre-filters from the pre-filter channel.

Remove the 2 nuts which secure each of the HEPA filter retaining brackets in place. Remove the HEPA

filter and dispose of it.

Install a new HEPA filter and make sure that the filter's foam seal is facing the exhaust side (rear) of the

unit. The filter should rest flush against its mounting surface. The HEPA filter is delicate and should be

handled with care.

Place the HEPA filter retaining brackets over the retaining bolts and secure them in place with the nuts.

Do not overtighten the nuts.

Reposition the unit so that it is resting on its rubber feet.

Reinsert the pre-filters and re-seat the plastic

the

the HEPA