TERRA UNIVERSAL 6601-11A-HSS-LP Low Profile Fan Filter Unit User Guide

June 3, 2024
TERRA UNIVERSAL

TERRAUNIVERSAL.COM
Low Profile Fan Filter Unit
Quick-Start Operating Guide Doc . 1788-52

**IMPORTANT SAFETY INSTRUCTIONS

**

READ AND SAVE THESE INSTRUCTIONS

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.| 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.
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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.|

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.

Introduction

This manual provides information on installing and operating Terra Universal’s Low Profile WhisperFlow® Fan/Filter Unit. The Fan/Filter unit provides a steady laminar flow stream of HEPA filtered air to the area below the mounted unit. By studying this document carefully, you can be assured of a long, efficient service life from the unit.

Operation

The unit consists of a 1/6 HP, thermally protected, variable speed motor that provides precise, fully adjustable airflow and drives a backward-curved centrifugal blower. The motor is controlled by an electrical speed dial control. This dial can function as ON/OFF for the blower and starts from high to low flow rates.

Installation

The Low Profile Flow Fan/Filter unit is designed to fit on top of a Terra Laminar Flow Hood or cleanrooms with restricted height areas. The low profile FFU height is 8” compared to the standard FFU height at 12.584”. The 4-pin connector allows for easy installation to Terra cleanrooms (connector may be used with an optional wall plug adapter; or may be removed entirely to hard- wire the FFU).
WARNING:
To reduce the risk of fire, electric shock, or injury to persons, do not use this fan with any solid-state speed control device, and observe the following:
A) Use this unit only in the manner intended by the manufacturer. If you have questions, contact the manufacturer.
B) Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on accidentally.
When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel.
C) Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction.
D) If the supply cord is damaged, it must be replaced by the manufacturer, its service agent, or similarly qualified persons in order to avoid a hazard.
E) When cutting or drilling into a wall or ceiling, do not damage electrical wiring and other hidden utilities.

Start up

WARNING:
Keep unit disconnected from power supply during inspection.
Prior to providing power to the unit, check that no damage has occurred during shipping.
This can be accomplished via a visual check to make sure there are no visible dents or penetrations. If the unit is intact, rotate the fan wheel to make sure it is not in contact with any stationary parts and that there are no visible loose screws or bolts obstructing the wheel’s rotation. After installation, with power applied, the fan will rotate and filtered air will exit the HEPA filter.

Cleaning and Maintenance

WARNING:
Disconnect from power supply before servicing unit. When replacing filter, the new filter is to be installed in the same manner as the filter it replaces.
The scheduled maintenance of the unit depends on the installed location and consists of changing the HEPA filter. The HEPA filter cannot be cleaned and must be replaced when the laminar flow rate falls below 70 feet/min.

Specifications

Housing: White powder coated cold-rolled steel or 304 stainless steel
HEPA Filter: 99.97% efficient on removal of particles 0.3 microns and larger.
Blower: Backward-curved centrifugal type factory balanced. Entire

motor/blower assembly is removable from top of housing for service.
Motor:| 1/6 HP Direct drive, energy efficient.  Permanent split capacitor type.
Thermally protected with automatic overload reset.
Electrical:| Variable speed motor is controlled by an electrical speed dial control.
This dial can function as ON/OFF
Power Cord:| None supplied
Support:| Threaded screw receptacles provided for insertion of optional eyebolts

LOW PROFILE WHISPERFLOW® PERFORMANCE DATA

Unit Size (ft.)| Filter| Sound (dB) @90FPM| Air Flow (CFM) @ Max. Speed
2’ x 2’| HEPA| 60| 484
2’ x 3’| HEPA| 78| 416
2’ x 4’| HEPA| 75| 763
PRODUCT DIMENSIONS

Unit Size (ft.)| Active Filter Area (sq.ft)| W (in)| L (in)| H (in)| Weight (lbs.)
2’ x 2’| 3.4| 23.625”| 23.625”| 8”| 40
2’ x 3’| 5.2| 23.625”| 36.625”| 8”| 50
2’ x 4’| 7.1| 23.625”| 47.625”| 8”| 60
LOW PROFILE WHISPERFLOW® ELECTRICAL DATA

Unit Size (ft).| Motor HP| Voltage| Full Load Amps| Frequency  (Hz)| Power Consumption (Watts)
2’ x 2’| 1/6| 115V| 1.0| 50/60| 115
2’ x 3’| 1/6| 115V| 1.0| 50/60| 115
2’ x 4’| 1/6 (2)| 115V| 2.0| 50/60| 230

Specification Notes:

  • All FFU data is based on a standalone unit using 1” clean filters.
  • Data will vary depending on filter media and configurations with other products/systems, such as ductwork or hoods.

Filter Replacement

WARNING:
For applications involving risk of exposure to harmful particulates or pathogens in the filter media, use appropriate PPE and reference your facility’s protocol for safe removal and disposal of filters.

  1. Disconnect the fan/filter unit from the PDM.

  2. Attach double stick tape to a polypropylene panel – place on all four sides.
    The panel protects the HEPA filter from damage (Figure 1).

  3. Place the polypropylene panel over the filter screen, making sure that it only adheres to the screen without overlapped the edges.

  4. Push one side of the FFU up, rotate it 90° and lower through the ceiling grid.

  5. Place the unit on a flat work surface and remove the sheet metal screws that hold the HEPA filter to the case.

  6. Replace with a new HEPA filter carefully handling edges only.

  7. Secure filter to the case with the same screws previously used.

  8. Place unit back onto the ceiling grid.

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 oralleged 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!
Terra Universal, Inc.

TerraUniversal.com
800 S. Raymond Ave.
Fullerton, CA 92831
TEL:714-578-6000 
FAX:714-578-6020
Low Profile Fan Filter Unit

Quick-Start Operating Guide
Doc . 1788-52
© Copyright 2021 Terra Universal Inc.
All rights reserved

Documents / Resources

| TERRA UNIVERSAL 6601-11A-HSS-LP Low Profile Fan Filter Unit [pdf] User Guide
6601-11A-HSS-LP Low Profile Fan Filter Unit, 6601-11A-HSS-LP, Low Profile Fan Filter Unit, Fan Filter Unit, Filter Unit, Unit
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