1. Introduzzjoni
The CADPXS Shield-550 is a robust negative air machine and HEPA air scrubber designed for commercial and heavy-duty use. It effectively purifies air by removing airborne particles and odors, making it ideal for various environments including home renovations, construction sites, and water or fire damage restoration projects. This manual provides essential information for the safe and efficient operation and maintenance of your Shield-550 unit.
2. Informazzjoni dwar is-Sigurtà
Always read and understand all instructions before operating the unit. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- Sigurtà Elettrika: Ensure the unit is connected to a properly grounded outlet. Do not operate with a damaged cord or plug.
- Pjazzament: Place the unit on a stable, level surface. Do not block air intake or exhaust.
- Kundizzjonijiet Ambjentali: This product is designed for indoor use. Do not expose to rain or water.
- Manutenzjoni tal-filtru: Always unplug the unit before changing filters.
- Avviż ta' Kalifornja: This product does not meet California air cleaner regulation requirements and cannot be shipped to California. It is compliant with EPA standards for sale in other regions.
3. Prodott Aktarview
The CADPXS Shield-550 features a durable roto-molded housing and a multi-stage filtration system to ensure optimal air purification.
Komponenti:
- Dħul ta' l-Arja: Where contaminated air enters the unit.
- Sistema ta' Filtrazzjoni: Consists of a MERV-10 pre-filter, a HEPA filter, and an activated carbon filter.
- Żbokk tal-Arja: Fejn tiġi rilaxxata arja purifikata.
- Panel tal-Kontroll: Houses the power switch, variable speed control, hour meter, and filter indicator.
- Żbokk Awżiljarju: Allows for daisy-chaining multiple units.
- Manku Ergonomiku: Għal trasport faċli.
Karatteristiċi tal-Panew tal-Kontroll:

Figure 1: Control Panel of the Shield-550. Features include variable speed control, hour meter, reset button, HEPA filter light indicator, and GFCI port.
- Kontroll tal-Veloċità Varjabbli: Adjusts airflow from minimum to maximum.
- Miter tas-Siegħa: Isegwi s-sigħat totali ta' tħaddim għall-iskedar tal-manutenzjoni.
- Buttuna Irrisettja: For resetting the circuit breaker.
- Change HEPA Filter Light Indicator: Illuminates when the HEPA filter needs replacement.
- Auxiliary Outlet (GFCI Protected): For connecting additional units or equipment.
4. Setup
Before initial use, ensure all packaging materials are removed and the unit is inspected for any damage.
- Ħoll l-Unità: Carefully remove the Shield-550 from its packaging.
- Pożizzjonament: Place the air scrubber in the desired location. It can be operated horizontally or vertically. Ensure adequate space around the intake and exhaust for optimal airflow.
- Konnessjoni tal-Enerġija: Plug the unit into a standard 115V, 60Hz grounded electrical outlet.
- Installazzjoni tal-Filtru: Verify that all three filters (MERV-10 pre-filter, HEPA filter, and activated carbon filter) are correctly installed inside the unit. Refer to the Maintenance section for detailed filter installation instructions.

Figure 2: The CADPXS Shield-550 Air Scrubber ready for operation.
5. Istruzzjonijiet Operattivi
Operating the CADPXS Shield-550 is straightforward. Follow these steps for effective air purification.
- Qawwa Mixgħul: Turn the variable speed control knob clockwise from the "OFF" position to the desired speed setting. The unit will begin operating.
- Aġġusta Airflow: Rotate the variable speed knob to increase (towards MAX) or decrease (towards MIN) the airflow as needed for your environment. The unit provides an airflow of up to 550 CFM, suitable for areas up to 800 square feet.
- Monitoraġġ: The hour meter on the control panel will display the accumulated operating time. The "Change HEPA Filter" light will illuminate when filter replacement is due.
- Daisy-Chaining (Mhux obbligatorju): For larger areas or increased airflow, multiple Shield-550 units can be daisy-chained using the auxiliary outlet. Ensure the total ampetà ma taqbiżx l-10 amps when units are off, and 9 amps when on.
- Itfi: Turn the variable speed control knob counter-clockwise to the "OFF" position to power down the unit.
Video 1: Demonstrates the operation and features of the CADPXS Shield-550 Air Scrubber, including its filtration process and control panel.
Video 2: Provides a visual overview of the CADPXS HEPA Air Scrubber S-550 in a commercial setting, highlighting its design and functionality.
6. Manutenzjoni
Regular maintenance ensures the longevity and efficiency of your CADPXS Shield-550. The primary maintenance task is filter replacement.
Sistema ta' Filtrazzjoni:
The Shield-550 utilizes a 3-stage sistema ta' filtrazzjoni:
- 1. MERV-10 Pre-Filter: Captures larger particles like dust, lint, and hair, protecting the subsequent filters.
- 2. Filtru HEPA: Blocks 99.97% of particles 0.3 micrometers or larger, including fine dust, pollen, and mold spores.
- 3. Activated Carbon Filter: Eliminates odors from paint, smoke, cooking, and VOCs.

Figure 3: Diagram illustrating the three layers of filtration: MERV-10 Pre-Filter, HEPA Filter, and Carbon Filter.
Sostituzzjoni tal-filtru:
The "Change HEPA Filter" light on the control panel indicates when the HEPA filter needs replacement. It is recommended to check and replace the pre-filter more frequently, depending on the environment's dustiness.
- Mitfi u Spluggja: Always turn off and unplug the unit before attempting any filter maintenance.
- Kompartiment tal-Filtru Miftuħ: Unlatch the two metal clips on the side of the unit and open the filter access panel.
- Neħħi l-Filtri Qodma: Carefully remove the used filters, starting with the pre-filter, then the HEPA filter, and finally the carbon filter. Dispose of them according to local regulations.
- Installa Filtri Ġodda: Insert the new filters in the correct order: first the carbon filter, then the HEPA filter, and finally the MERV-10 pre-filter. Ensure they are seated properly.
- Agħlaq il-Panel: Close the filter access panel and secure the metal latches.
- Irrisettja Indikatur: Press the "RESET" button on the control panel to clear the filter change indicator.

Figure 4: The Shield-550 with its filter compartment open, showing the internal filters.
Video 3: Instructions on how to change the filters and reset the indicator light on the CADPXS Shield-550.
Video 4: Detailed visual guide on replacing CADPXS Air Scrubber Filters.
7 Issolvi l-problemi
If your CADPXS Shield-550 is not operating as expected, refer to the common issues and solutions below.
| Problema | Kawża Possibbli | Soluzzjoni |
|---|---|---|
| L-unità ma tixgħelx. | L-ebda provvista tal-enerġija; Is-circuit breaker qabad. | Check power cord connection and outlet. Press the RESET button on the control panel. |
| Fluss ta 'arja mnaqqas. | Clogged filters; Blocked intake/exhaust. | Inspect and replace filters if necessary. Clear any obstructions from intake and exhaust. |
| "Change HEPA Filter" light is on. | HEPA filter needs replacement. | Replace the HEPA filter and reset the indicator. |
| Storbju mhux tas-soltu waqt it-tħaddim. | Loose components; Foreign object in fan. | Turn off and unplug the unit. Inspect for loose parts or obstructions. If problem persists, contact customer support. |
8. Speċifikazzjonijiet
| Karatteristika | Dettall |
|---|---|
| Numru tal-Mudell | Tarka 550 |
| Brand | CADPXS |
| Dimensjonijiet tal-Prodott | 15.2"D x 25"W x 14.2"H |
| Piż | 33.5 Liri |
| Kulur | Griż |
| Kopertura taż-Żona tal-Art | 800 pied kwadru |
| Il-fluss tal-arja (CFM) | 550 CFM |
| Wattage | 288 watt |
| Ċertifikazzjoni | ETL Ċertifikat |

Figure 5: Visual representation of the dimensions and weight of the CADPXS Shield-550.
9. Garanzija u Appoġġ
CADPXS stands behind the quality of its products. Your satisfaction is our priority.
- Garanzija: CADPXS offers a 10-year limited service warranty on the Shield-550.
- Appoġġ għall-Klijent: If you experience any issues with your unit or have questions, please reach out to our dedicated support team. We are committed to providing prompt assistance to resolve your problems.
- Manwal tal-Utent (PDF): For a downloadable version of this manual, please refer to the Official User Manual PDF.





