TERRA UNIVERSAL 1800-87 Plastic Storage Cabinets (HEPA Filtered) User Manual

: June 9, 2024
: TERRA UNIVERSAL

Table of Contents

Safety Instruction
Description
Components and Controls
Installation
Operating Procedures
Maintenance Procedures
- Filter Replacement
- Replacement Pre-filter: #PA06388
Specifications
Warranty
Documents / Resources

TERRA UNIVERSAL 1800-87 Plastic Storage Cabinets (HEPA Filtered) User Manual
$TERRA UNIVERSAL 1800-87 Plastic Storage Cabinets $HEPA Filtered$$

Safety Instruction

Proprietary Notice
This manual pertains to proprietary devices manufactured by Terra Universal, Inc. Neither this document nor any portion of it may be reproduced in any way without prior written permission from Terra Universal.
Terra Universal makes no warranties applying to information contained in this manual or its suitability for any implied or inferred purpose. Terra Universal shall not be held liable for any errors this manual contains or for any damages that result from its use.

Safety Notice

A thorough familiarity with all operating guidelines is essential to safe operation of the product. Failure to observe safety precautions could result in poor performance, damage to the system or other property, or serious bodily injury or death. The following symbols are intended to call your attention to two levels of hazard involved in operation.

CAUTION:
Cautions are used when failure to observe instructions could result in significant damage to equipment.

WARNING:
Warnings are used when failure to observe instructions or precautions could result in injury or death.

Description

Terra’s Plastic Storage Cabinets are designed to provide a clean storage space within a cleanroom environment. An optional fan/filter unit can be installed on top of the cabinet for continuous vertical laminar flow of HEPA-filtered air over sensitive parts or materials. The polypropylene construction and static-dissipative PVC windows are non-shedding and chemical-resistant, ensuring a particle-free, easy-to-clean environment that meets the strictest cleanliness requirements.

The 16” by 24” fan/filter unit (FFU) includes a 470 CFM impeller blower (average flow at 90 FPM with filter load) mounted in a powder-coated steel housing with a plenum design that optimizes uniform air velocity across the entire face of the filter.
A HEPA (high efficiency particulate air) filter installed inside the housing is rated 99.99% efficient at 0.3um particles. The filtration medium consists of micro porous polyurethane mini pleats held in place by strong, rigid plastic separators that keep the medium from nesting. This design channels airflow with optimal efficiency to reduce resistance. The filter is sealed within an aluminum frame with a fire-retardant, non-outgassing adhesive

Figure 1. Plastic Storage Cabinet shown without stand

When the FFU is running, the force generated by the fan pulls air into the upper FFU housing through a MERV 7 pre-filter that protects the blower motor and impeller from dust and debris. The air is then forced through the HEPA filter and into the storage cabinet, creating a negative pressure environment within the FFU housing that keeps particles trapped within the filters.

The fan/filter unit includes a 10’ power cable for connection to a 120V (or 220V, if specified) power source. The FFU has three speed settings: Low, Medium and High. For normal operation, Terra recommends leaving the FFU at the Medium speed setting, which will supply airflow of approximately 90 FPM. As the HEPA filter becomes saturated, the speed can be increased to the High setting to achieve the necessary 90 FPM for ISO 5 classification.

Components and Controls

2.1 Plastic Storage Cabinet (Equipped with Fan/Filter Unit)

Components And Controls

The cabinet doors include gaskets that form a seal when the doors are closed.
When the fan/filter unit operates at higher speeds, pressure may build within the cabinet and airflow may leak past this gasket.
This is normal and will not affect the performance of the cabinet.

Installation

Unpacking

The Plastic Storage Cabinet and fan/filter unit are shipped as a single unit. Uncrate all components and remove all packaging materials, checking to make sure that there is no visible damage incurred during shipment. If damage is found, contact the freight company to file a damage claim immediately.

When inspecting the unit, verify the following:

There are not visible gaps between the fan/filter unit and the opening in the top of the cabinet
Open each cabinet door and ensure that the self-closing hinge brings the door back to the closed position
Check that the cabinet is positioned correctly on its stand and that the casters roll freely and lock/unlock

If the unit will be used within a cleanroom, prepare the cabinet for transfer into the cleanroom according to your facility’s protocols, cleaning both the interior and exterior of the cabinet prior to entry. See Section 5.1 Cleaning for general guidelines.

Setup

** CAUTION
**When selecting the installation location, ensure that there is at least 13” of open space above the fan/filter unit to ensure adequate air supply

Unlock the brakes on the casters
Maneuver the cabinet into position, taking care not to pinch the power cable or obstruct the pre-filter on top of the fan/filter unit.
Lock the brakes on the casters to keep the cabinet from rolling
Set the FFU speed switch to Medium
Connect the power cable to the 120V electrical source (or 220V, where applicable)
Verify that the fan/filter unit is operating and that the air speed exceeds roughly 90 feet per minute
Clean the interior of the unit (see Section 5.1 Cleaning)
Allow the fan/filter unit to operate with cabinet doors closed for at least 10 minutes before using the cabinet

Securing the Cabinet

WARNING
Cabinets taller than 30”H must be secured against a wall to prevent tipping.

Contact your local professional contractor for assistance anchoring the cabinet (hardware not included).
Or consult your facility’s safety codes to determine the best anchoring method for your particular location and installation.

Testing and Validation

After completing the Section 3.2 Initial Setup, validation may be performed by a third-party testing service for HEPA filter integrity (leak-testing), Air Changes per Hour and particle counter measurements to verify ISO 5 particle levels. Third-party testing should take place within the intended cleanroom or another controlled environment to ensure an accurate evaluation of its performance.

Operating Procedures

General Operation
After completing Section 3.2 Setup and Section 3.3 Testing and Validation (if applicable), the unit will continuously operate and maintain an ISO 5 storage environment.

Users should keep the following guidelines in mind when using the cabinet:

Be sure not to obstruct the supply-side of the fan/filter unit or the exhaust vents on the cabinet doors
Coil or otherwise secure the power cable to avoid tripping or accidentally tugging the cable from the outlet
Keep cabinet doors closed unless transferring contents, after which the doors should be closed promptly
Do not overload any individual shelf so as to block more than 50% of the perforations

** CAUTION
**Always check to make sure the system is disconnected from the wall outlet before moving the cabinet

Maintenance Procedures

Cleaning

** CAUTION
**Always check chemical compatibility before cleaning plastic surfaces. Although polypropylene and static dissipative PVC withstand exposure to a wide range of common cleaning agents, repeated exposure to strong chemicals can cause damage.

Polypropylene and static-dissipative PVC are chemical-resistant and compatible with most mild, non-abrasive cleaning agents with the exception of strong acids, strong bases and strong oxidizers. For heavy-duty cleaning agents or decontamination protocols, check chemical compatibility with the door gasket and other materials before use. Stainless steel and other metal components may be cleaned with isopropyl alcohol.

Use a clean, non-shedding cloth (polyester wipers are recommended) and wipe surfaces in slow, unidirectional motions, folding the soiled surface of the cloth portion to trap contaminant’s after each pass. Avoid circular motions when cleaning. Use only light pressure when cleaning. If the outside surface is exceptionally dirty or gritty, lightly swab the surface with a saturated cloth and allow the surfactants to drain away. Avoid rubbing dirt or grit into the surface. Turn the cloth often and replace with a clean cloth frequently. Dry the surface by blotting gently with a clean, dry cloth.

Filter Replacement

** CAUTION
**When handling the FFU and HEPA filter, only handle the HEPA filter by the edges. Pressing on the face of the HEPA filter may cause irreversible damage to the filter, leading to particle leaks.

The pre-filter on top of the cabinet should be replaced periodically depending on the environment and materials that the refilter is exposed to during daily operations.

Replacement Pre-filter: #PA06388

The HEPA filter installed inside the FFU cannot be cleaned and will typically last for years depending on the particle levels in the surrounding environment. When the unit is used in an ISO-classified environment, the HEPA filter will often perform sufficiently for a much longer period of time.
However, if air speed is significantly reduced or the HEPA filter fails to pass certification by an independent certifier, the HEPA filter may need to be replaced. Be sure to verify the proper operation of all other components in the system before attempting to replace the HEPA filter.

Replacement HEPA Filter: #6601-40

Disconnect the FFU power cable from the power source
Remove the screws attaching the upper FFU assembly to the lower filter assembly (see diagram below).
Lift the upper FFU assembly out of the FFU housing and remove the lower filter assembly.
Replace the lower filter assembly, only handling the filter by the aluminum edges.
Reassemble the FFU housing by reversing the steps for disassembly.

Specifications

Plastic Storage Cabinet (with Stainless Steel Stand

Dimensions| 23.75”W x 18”D x 82.5”H
Shelves| (3) fixed-height; 24.75”W x 16.5”D
Construction/Materials| Polypropylene, white Static-Dissipative PVC (doors)
Casters| 4”-diameter, non-marring, locking
Fan/Filter Unit (AC Motor)

Warranty

Products Manufactured by Terra: Terra Universal, Inc., warrants products that it manufactures to be free from defects for a period of 12 months for parts and 90 days for labor, commencing from the date of shipment. Terra’s sole responsibility is to repair or replace, at its option, any part of the product that proves defective or malfunctioning during this time limit. In some cases, components incorporated in Terra Universal products are covered by additional warranties from component manufacturers; obtain specific information from Terra sales representatives. This warranty is void if the equipment is abused or modified by the customer, is operated outside Terra’s operating instructions or specifications, or is used in any application other than that for which it is specified. This warranty does not include routine maintenance or service procedures, breakage of quartz baths after 60 days, shipping damage, nor damage from misuse, intentional or unintentional abuse, neglect, natural disasters, or acts of God.

Products Manufactured by Others: Terra Universal, Inc., warrants that, to the best of its ability, Terra’s representations of products that are manufactured by others reflect the manufacturer’s representations, subject to change without notice. Sole warranty for these products is the original manufacturer’s warranty that is passed forward to the purchaser and constitutes the customer’s sole remedy for these products. Detailed warranties for distributed products are available through Terra sales representatives.

Freight Shortage or Damage: Upon receipt of any equipment from Terra Universal, Inc., customer shall immediately unpack and inspect for damage or shortage. The customer shall not accept a damaged package or a short shipment until the carrier makes a “damage or shortage” notation on both the carrier’s and customer’s copy of the freight bill or delivery receipt. Service title passes when the shipment is loaded, so customer is responsible for filing and collecting a freight claim. Any replacement products must be ordered and paid for separately. For Terra’s “Policy and Procedures for Returning Goods,” see Terra’s Internet
site: www.TerraUniversal.com.

Generally, customers can improve the chance of collecting on a freight claim by following these procedures: 1) formally requesting that the carrier inspect the shipment immediately upon suspecting damage or shortage to verify condition; 2) notifying the carrier upon discovery of concealed damage and requesting an inspection within 15 days of receipt, both in person or phone and following up via mail; 3) keeping the shipment as intact as possible, including retaining original packaging materials and keeping the product as close to the original receiving location as possible; 4) holding salvage for disposition by the carrier.

All Claims: Terra Universal expressly disclaims all other warranties, expressed or implied or implied by statute, including the warranties of merchantability or fitness for intended use. Terra Universal is not responsible for consequential or incidental damages arising out of the purchase or use of the products supplied by Terra Universal. Terra Universal is not liable for damage to facilities, other equipment, products, property or personnel of others, or of their agents, suppliers, or affiliated parties, which is caused or alleged to have been caused by products supplied by Terra Universal. In any event or series of events, Terra Universal’s total liability for any and all damages whatsoever is limited to the lesser of the actual damages or the original invoice cost of the items alleged to have caused the damage. The customer’s sole and exclusive remedy for any cause of action whatsoever is repair or replacement of the non-conforming products or refund of the actual purchase price, at the sole option of Terra Universal. All claims must be made in writing within 90 days of the date the product was shipped. Any claims not made within this time limit shall be deemed waived by the customer. Terra Universal is not responsible for any additional costs of repair caused by poor packaging or in-shipment damage during return.

Warranty Returns: All warranty returns must be authorized in advance by Terra Universal and approved under an RMA. Unless approved in advance for good reason, all returns must be in original condition, including all manuals, and must be packaged in original packaging materials. All returned goods are to be shipped to Terra Universal, freight prepaid at customer’s expense. See Terra’s “Policy and Procedure for Returned Goods.”

Thank you for ordering from Terra Universal!

Documents / Resources

| TERRA UNIVERSAL 1800-87 Plastic Storage Cabinets (HEPA Filtered) [pdf] User Manual
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