CADPXS Shield-550 HEPA Air Scrubber User Manual

1. Introduction

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. Safety Information

Always read and understand all instructions before operating the unit. Failure to follow these instructions may result in electric shock, fire, or serious injury.

• Electrical Safety: Ensure the unit is connected to a properly grounded outlet. Do not operate with a damaged cord or plug.
• Placement: Place the unit on a stable, level surface. Do not block air intake or exhaust.
• Environmental Conditions: This product is designed for indoor use. Do not expose to rain or water.
• Filter Maintenance: Always unplug the unit before changing filters.
• California Notice: 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. Product Overview

The CADPXS Shield-550 features a durable roto-molded housing and a multi-stage filtration system to ensure optimal air purification.

Components:

• Air Intake: Where contaminated air enters the unit.
• Filtration System: Consists of a MERV-10 pre-filter, a HEPA filter, and an activated carbon filter.
• Air Outlet: Where purified air is released.
• Control Panel: Houses the power switch, variable speed control, hour meter, and filter indicator.
• Auxiliary Outlet: Allows for daisy-chaining multiple units.
• Ergonomic Handle: For easy transport.

Control Panel Features:

Figure 1: Control Panel of the Shield-550. Features include variable speed control, hour meter, reset button, HEPA filter light indicator, and GFCI port.

• Variable Speed Control: Adjusts airflow from minimum to maximum.
• Hour Meter: Tracks total operating hours for maintenance scheduling.
• Reset Button: 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.

1. Unpack the Unit: Carefully remove the Shield-550 from its packaging.
2. Positioning: 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.
3. Power Connection: Plug the unit into a standard 115V, 60Hz grounded electrical outlet.
4. Filter Installation: 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. Operating Instructions

Operating the CADPXS Shield-550 is straightforward. Follow these steps for effective air purification.

1. Power On: Turn the variable speed control knob clockwise from the "OFF" position to the desired speed setting. The unit will begin operating.
2. Adjust 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.
3. Monitoring: 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.
4. Daisy-Chaining (Optional): For larger areas or increased airflow, multiple Shield-550 units can be daisy-chained using the auxiliary outlet. Ensure the total amperage does not exceed 10 amps when units are off, and 9 amps when on.
5. Power Off: Turn the variable speed control knob counter-clockwise to the "OFF" position to power down the unit.

6. Maintenance

Regular maintenance ensures the longevity and efficiency of your CADPXS Shield-550. The primary maintenance task is filter replacement.

Filtration System:

The Shield-550 utilizes a 3-stage filtration system:

• 1. MERV-10 Pre-Filter: Captures larger particles like dust, lint, and hair, protecting the subsequent filters.
• 2. HEPA Filter: 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.

Filter Replacement:

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.

1. Power Off and Unplug: Always turn off and unplug the unit before attempting any filter maintenance.
2. Open Filter Compartment: Unlatch the two metal clips on the side of the unit and open the filter access panel.
3. Remove Old Filters: 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.
4. Install New Filters: 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.
5. Close Panel: Close the filter access panel and secure the metal latches.
6. Reset Indicator: 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.

7. Troubleshooting

If your CADPXS Shield-550 is not operating as expected, refer to the common issues and solutions below.

8. Specifications

Figure 5: Visual representation of the dimensions and weight of the CADPXS Shield-550.

9. Warranty and Support

CADPXS stands behind the quality of its products. Your satisfaction is our priority.

• Warranty: CADPXS offers a 10-year limited service warranty on the Shield-550.
• Customer Support: 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.
• User Manual (PDF): For a downloadable version of this manual, please refer to the Official User Manual PDF.