DRIEAZ DefendAir 400 HEPA Air Scrubber Owner’s Manual

October 30, 2023
DRIEAZ

DRIEAZ DefendAir 400 HEPA Air Scrubber Owner’s Manual
DRIEAZ DefendAir 400 HEPA Air Scrubber

  WARNING

WARNING! Do not alter or modify your unit in any way.
Use only replacement parts authorized by Legend Brands.
Modifications or use of unapproved parts could create a hazard and will void your warranty. Contact your authorized Legend Brands distributor for assistance.


WARNING
! Electric shock hazard, rotating fan, hot surface hazards. Unplug unit before opening cover for cleaning or servicing. Unit must be grounded.

  • Inspect the power cord before use. If cord is damaged, do not use. Always grasp the plug (not the cord) to unplug.
  • Plug cord into an electrically grounded outlet. Do not use adapter. Never cut off ground prong. Do not use an extension cord.
  • If the power cord is damaged, it must be replaced by a Legend Brands authorized service center or similarly qualified persons in order to avoid a hazard.

WARNING
a) Do not operate any fan with a damaged cord or plug. Discard fan or return to an authorized service facility for examination and/or repair.
b) Do not run cord under carpeting. Do not cover cord with throw rugs, runners, or similar coverings. Do not route cord under furniture or appliances. Arrange cord away from traffic area and where it will not be tripped over.

NOTICE! Because federal, provincial and local laws and regulations have varying requirements for the application, testing and general use of equipment on asbestos abatement projects, Legend Brands cannot warrant the use of any product we manufacture for asbestos abatement. Contractors performing abatement work should evaluate tools, equipment and procedures in light of their local regulatory requirements, and comply with those requirements.

Product Overawe

WARNING: BREATHING HAZARD

When using the DefendAir 400 in a containment area, turn off all sources of power to open combustion appliances such as fireplaces, boilers, furnaces, water heaters and HVAC systems to avoid the risk of backdrafting deadly carbon monoxide fumes

CONTROLS AND OPERATION

  1. bUnwrap the cord completely.
  2. Place with handle and control panel facing up.
  3. Plug into a standard 115v outlet (2.2 amps required).
  4. This unit produces approximately 400 CFM of filtered air

Circuit breaker reset switch
The circuit breaker automatically shuts off the electrical supplywhen an overload or short circuit is detected. If this occurs, unplug any units plugged into the power outlet, check thepower cord for damage and ensure it is plugged into a properly grounded outlet. Press the switch to reestablish power.

Change filter light
The change filter light (Fig. A) illuminates when the HEPA filter needs to be changed. To replace the filter, see Fig. C.

Power Outlet
Daisy-chain up to 5 DefendAir 400 units. Do not exceed the unit’s maximum of 12 amps while off and 9.8 amps while on.

Ducting
The inlet can be ducted with 12-in. rigid ducting and the outlet with either 12-in. rigid or layflat ducting. Do not exceed a maximum ducting length of 15 ft. / 4.6 m on the inlet and 15 ft. / 4.6 m on the outlet.

Stacking for Storage, Transport, and Operation
Stack up to 3 high for storage or operation, fitting the handle of one into the bottom of a second unit. For compact storage, stack horizontally. Be sure to secure properly for transport.

Air movement 400 CFM
Static pressure(H2O) 2.63 in.
Circuit maximum 4 addl. units (5 total)
Dimensions (D × W × H) 22.9 × 17.7 × 21.7 in.58.2 × 45.0 × 55.1 cm
Weight 29 lbs.
Power 2.16A, 115V, 60 Hz, 215W
Power cord length 16 ft.
Housing Rotomolded polyethylene
Safety ETL tested to UL standards

Specifications are subject to change without notice. Some values may be approximate.

FILTERS

The prefilter should be replaced whenever the
accumulation of dust is visible. Do not reuse the prefilter. When using in dusty environments, replace the prefilter often to preserve the life of the HEPA filter.

The HEPA filter should be replaced whenever the change filter light illuminates. Do not attempt to vacuum and reuse the HEPA filter.

NOTICE : When using the DefendAir 400 on remediation projects, the filters should be changed and properly disposed of after every job.

Changing filters
Replacement filters are available from your Legend Brands distributor.

Fig. B: Replacing the prefilter

Replacing the prefilter

The prefilter should be replaced whenever the accumulation of dust is visible.

  1. Lift out the prefilter and discard.
  2. Insert new prefilter. Ensure that the retention ring snaps securely into place.
  3. The unit is now ready /Th\ for use.

Fig. C: Replacing the HEPA filter

The HEPA filter should be replaced whenever the Change Filter light is illuminated or after remediation projects where of cross-contamination is at risk.

  1. Release the two buckles and separate the blower housing from the filter housing.
  2. Set the filter housing with the air inlet end down. Unscrew the filter retention knob and lift off the filter cover plate. Lift out the HEPA filter.
  3. Install a new HEPA filter into the filter housing.
  4. Replace the filter cover plate and secure with the knob. Do not overtighten.
  5. Reattach the filter housing to the blower base.
  6. Install a new prefilter (see Fig. B).
  7. The unit is now ready for use.

MAINTENANCE


WARNING! ELECTRIC SHOCK HAZARD
. Disconnect from electrical supply prior to servicing or cleaning.


WARNING! BREATHING HAZARD.
Always wear an appropriate NIOSH-approved respirator and personal protective equipment when removing or replacing filters, or when cleaning the Syclone Sentry X4.

Before each use
Inspect the electrical cord for damage, and do not use the unit if you find any fraying, cuts, etc. Contact your local distributor or Legend Brands for service.

As Needed
Clean impeller assembly with pressurized air and/or with a soft cloth. Do not apply liquids to the impeller assembly. The housing may be cleaned with detergent and warm water.Ensure housing is completely dry before reassembling.

WARNING : This product may expose you to chemicals, including lead and phthalates, known to theState of California to cause cancer, birth defects, or other reproductive harm. For more information, go to P65Warnings.ca.gov

TROUBLESHOOTING

For any problems not described here, please contact your local Legend Brands distributor for assistance.

PROBLEM CAUSE SOLUTION
Unit does not operate
  1. No power to machine
  2. Switch not turned on
  3. No power at supply outlet
  4. Circuit breaker tripped

|

  1. Plug in the unit; check power at outlet
  2. Turn on the switch
  3. Reset supply circuit breaker
  4. Reset circuit breaker

Circuit breaker trips|

  1. Power cord is damaged
  2. Amp draw from power outlet is too high.

|

  1. Replace power cord. Contact your Legend Brands distributor.
  2. Reduce the amount of equipment plugged into the power outlet.

Change filter light illuminated| Airflow is restricted at the inlet, prefilter, and/or HEPA filter.|

  1. Check for inlet restrictions.
  2. Remove pre-filter and switch unit on. If light turns off, replace prefilter.
  3. If light is still on without the pre-filter then replace the HEPA filter.

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References

Read User Manual Online (PDF format)

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