TERRA UNIVERASAL 1788-51 Clothing Cabin and HEPA Filter User Guide

June 2, 2024
TERRA UNIVERASAL

TERRA UNIVERASAL 1788-51 Clothing Cabin and HEPA Filter User Guide
TERRA UNIVERASAL 1788-51 Clothing Cabin and HEPA Filter User
Guide

Safety

Proprietary Notice Safety 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.

| 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

safety icon   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.

The information presented here is subject to change without notice.

General Information

Terra’s free standing Garment Cabinets are designed to provide a clean storage space within a cleanroom environment. A fan/filter unit will be included and installed on top of the cabinet for continuous vertical laminar flow of HEPA- filtered air over sensitive parts or materials. The powder-coated steel construction and static-dissipative PVC windows are non-shedding and chemical- resistant, ensuring a particle-free, easy-to-clean environment.

A HEPA (high efficiency particulate air) filter installed inside the housing is rated 99.97% 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. The fan/filter unit includes a 10’ power cable for connection to a 120V (or 220V, if specified) power source. 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.
Figure 2: Garment Cabinet with Fan Filter Unit
Garment Cabinet with Fan Filter Unit

Components and Controls

Garment Cabinet (Equipped with Fan/Filter Unit)

Fan/Filter Unit

NOTE:
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 Garment 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:

  1. There are no visible gaps between the fan/filter unit and the opening in the top of the cabinet
  2. Open each cabinet door and ensure that the self-closing hinge brings the door back to the closed position
  3. Check that the cabinet is positioned correctly on its stand

If the unit will be used within a clean room, prepare the cabinet for transfer into the clean room according to your facility’s protocols, cleaning both the interior and exterior of the cabinet prior to entry. See Section 6.1 Cleaning for general guidelines.

Setup
safety icon 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.

  1. (Optional) Unlock the brakes on the casters.
  2. 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.
  3. Clean the interior of the unit (see Page 7).
  4. Set the FFU speed switch to Medium.
  5. Connect the power cable to the 120V electrical source (or 220V, where applicable).
  6. Verify that the fan/filter unit is operating and that the air speed exceeds roughly 90 feet per minute.
  7. Allow the fan/filter unit to operate with cabinet doors closed for at least 10 minutes before using the cabinet. 8. Operation status indicate glows to show when the unit is in operation.

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.

Additional Set-up if fan filter unit is not already assembled to power distribution module

  1. Remove bolts located on the left and right hand side of the lid that prevent the door from fully opening.

  2. Insert mounting bracket and fasten crown screws into the cabinet (Figure 4).
    Mounting
    Figure 4: Mounting bracket attached to upper housing of garment cabinet

  3. Insert fan filter onto upper compartment towards the back of the cabinet.

  4. Insert Power Distribution Module on top of the fan filter unit on either the left or right side.

  5. Connect black power cord from the cabinet to the back of the power distribution module (Figure 5).
    Backside view
    Figure 5: Backside view of power distribution module

  6. Connect the yellow cable from the fan filter unit to the back of the power distribution module (Figure 5).

  7. Reassemble the lid once fan filter unit and power distribution module are in place.

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 clean room or another controlled environment to ensure an accurate evaluation of its performance.

Operation

After completing Section 4.2 Setup and Section 4.3 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
  • Do not overload any individual shelf so as to block more than 50% of the perforations.

safety icon   CAUTION:
Always check to make sure the system is disconnected from the wall outlet before moving the cabinet.

Maintenance

Cleaning
safety icon CAUTION
Always check chemical compatibility before cleaning plastic surfaces. Although powder-coated steel and static-dissipative PVC withstand exposure to a wide range of common cleaning agents, repeated exposure to strong chemicals can cause damage. Powder-coated steel 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
safety icon   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 prefilter 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

  1. Disconnect the FFU power cable from the power source.
  2. Remove the 10 sheet metal screws that hold the HEPA filter to the case.
  3. Lift the upper FFU assembly out of the FFU housing and remove the lower filter assembly.
  4. Replace the lower filter assembly, only handling the filter by the aluminum edges.
  5. Reassemble the FFU housing by reversing the steps for disassembly.
    Replacement HEPA Filter

Specifications

Garment Cabinet (with stand

Dimensions| 52”W x 29”D x 94”H
Construction/Materials| Powder-coated Steel, white
Static-Dissipative PVC (doors)
Stainless steel vertical supports

Fan/Filter Unit (AC Motor)

Dimensions| 42”W x 16”D x 13”H
Power Requirements| 120V, 4.3A, 516W, 60Hz, 1Ph
Filter| HEPA, 99.97% efficient for particles 3 microns or greater
Sound Level| Approx. 49 dBA
Weight| Approx. 34 lbs.

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.This limited warranty covers parts and labor, but not transportation and insurance charges. 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. Repairs may be completed by 3rd party service agents approved by Terra Universal. Terra Universal reserves the rights to limit this warranty based on a service agent’s travel, working hours, the site’s entry restrictions and unobstructed access to serviceable components of the product. 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, 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!

Support & Service

Terra Universal, Inc.
TerraUniversal.com
800 S. Raymond Ave. Fullerton, CA 92831
TEL: 714-578-6000
FAX: 714-578-6020

References

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