TSI Alnor 8371 Operating Manual

ENERGY AND COMFORT

Ventilation Testing/Balancing

ACCUBALANCE®

Air Capture Hood

Model 8371

Operation and Service Manual

1980335, Revision D

June 2009

Address

TSI Incorporated / 500 Cardigan Road / St. Paul, MN 55126 / USA

Fax No.

(651) 490-3824

LIMITATION OF WARRANTY AND LIABILITY (effective July 2000)

Seller warrants the goods sold hereunder, under normal use and service as described in the operator's manual, shall be free from defects in workmanship and material for twenty-four (24) months, or the length of time specified in the operator's manual, from the date of shipment to the customer. This warranty period is inclusive of any statutory warranty. This limited warranty is subject to the following exclusions:

a. Hot-wire or hot-film sensors used with research anemometers, and certain other

components when indicated in specifications, are warranted for 90 days from the date of shipment.

b. Parts repaired or replaced as a result of repair services are warranted to be free from

defects in workmanship and material, under normal use, for 90 days from the date of shipment.

c. Seller does not provide any warranty on finished goods manufactured by others or on any

fuses, batteries or other consumable materials. Only the original manufacturer's warranty applies.

d. Unless specifically authorized in a separate writing by Seller, Seller makes no warranty

with respect to, and shall have no liability in connection with, goods which are incorporated into other products or equipment, or which are modified by any person other than Seller.

The foregoing is IN LIEU OF all other warranties and is subject to the LIMITATIONS stated herein. NO OTHER EXPRESS OR IMPLIED WARRANTY OF FITNESS FOR PARTICULAR PURPOSE OR MERCHANTABILITY IS MADE.

TO THE EXTENT PERMITTED BY LAW, THE EXCLUSIVE REMEDY OF THE USER OR BUYER, AND THE LIMIT OF SELLER'S LIABILITY FOR ANY AND ALL LOSSES, INJURIES, OR DAMAGES CONCERNING THE GOODS (INCLUDING CLAIMS BASED ON CONTRACT, NEGLIGENCE, TORT, STRICT LIABILITY OR OTHERWISE) SHALL BE THE RETURN OF GOODS TO SELLER AND THE REFUND OF THE PURCHASE PRICE, OR, AT THE OPTION OF SELLER, THE REPAIR OR REPLACEMENT OF THE GOODS. IN NO EVENT SHALL SELLER BE LIABLE FOR ANY SPECIAL, CONSEQUENTIAL OR INCIDENTAL DAMAGES. SELLER SHALL NOT BE RESPONSIBLE FOR INSTALLATION, DISMANTLING OR REINSTALLATION COSTS OR CHARGES. No Action, regardless of form, may be brought against Seller more than 12 months after a cause of action has accrued. The goods returned under warranty to Seller's factory shall be at Buyer's risk of loss, and will be returned, if at all, at Seller's risk of loss.

Buyer and all users are deemed to have accepted this LIMITATION OF WARRANTY AND LIABILITY, which contains the complete and exclusive limited warranty of Seller. This LIMITATION OF WARRANTY AND LIABILITY may not be amended, modified or its terms waived, except by writing signed by an Officer of Seller.

Service Policy

Knowing that inoperative or defective instruments are as detrimental to TSI as they are to our customers, our service policy is designed to give prompt attention to any problems. If any malfunction is discovered, please contact your nearest sales office or representative, or call TSI's Customer Service department at (651) 4902811 or (800) 874-2811.

Trademarks

, TSI logo, and ACCUBALANCE® are trademarks of TSI Incorporated.

TSI

CONTENTS

ABOUT THIS MANUAL .............................................................

Formatting and Typography ..................................................iv

INTRODUCTION .........................................................................V

SET UP ........................................................................................ 1

Unpacking.............................................................................. 1

Item........................................................................................ 2

Parts Identification................................................................. 3

Display ............................................................................3

Display Units ................................................................... 5

Keypad............................................................................ 5

Preparing the Instrument for Use .......................................... 6

Installing the Batteries..................................................... 6

Hood Assembly............................................................... 6

Basic Operation..................................................................... 8

Start-Up........................................................................... 8

Selecting Flow Direction .................................................8

Taking a Flow Measurement .......................................... 8

Turning the ACCUBALANCE® Air Capture Hood Off .......... 9

Automatic Shut-off .......................................................... 9

OPERATIONS IN MORE DETAIL............................................. 11

Keypad Functions................................................................ 11

Field Calibration .................................................................. 12

Changing Hoods.................................................................. 12

Changing DIP Switch Settings ............................................17

Setting: Function................................................................. 18

Connecting the Optional Printer .......................................... 18

MAINTENANCE ........................................................................19

Fabric Hood ......................................................................... 19

Part Number ........................................................................ 19

Meter ................................................................................... 20

Manifold ............................................................................... 20

Cases .................................................................................. 20

Calibration ...........................................................................20

TROUBLESHOOTING ..............................................................21

BACK PRESSURE....................................................................23

SPECIFICATIONS..................................................................... 25

iii

About this Manual

This manual explains how to set up, operate and maintain the Model 8371

CCUBALANCE

A instrument.

Formatting and Typography

Note that step-by-step instructions are numbered in boldface type: 1, 2, 3, etc., set flush-left against the margin.

References to the front panel keys on the A along with the instrument's displayed readout, are represented in this manual by the typeface called Helvetica Narrow. In addition to the different typeface, displayed messages appear in quotes.

When reference is made to other sections of the manual, the section title is italicized.

Example: The "SAMPLE" message will appear along with a flow value after you have activated the SAMPLE button (from

HELP!

If you need technical assistance with this instrument, have questions about the manual, or your air capture hood needs repair or recalibration please call TSI's Environmental Measurements and Control Division at (651) 490-2811 or (800) 874-2811. Product application notes are designed to provide more information on the product to the user. Application notes, as well as other related material, can be obtained by calling TSI or by visiting the TSI web

http://www.tsi.com.

site at

Air Capture Hood. Read it thoroughly before using the

CCUBALANCE® capture hood,

Display in Chapter 1).

Introduction

The TSI Model 8371 A

CCUBALANCE

designed to measure the air flow from diffusers and grilles or the air flow entering exhaust outlets. The A and easy to use. The instrument can display the measured air flow in four different units: standard cubic feet per minute (SCFM), standard liters per second (Std l/s), standard cubic meters per hour (Std m cubic meters per minute (Std m actual flow conditions.

The A

CCUBALANCE

capture hood consists of a fabric hood, a molded plastic base which contains an electronic meter, and a flow sensing manifold located within the base. Air flowing through the hood is measured by a hotfilm sensor located in the central hub of the flow sensing manifold. The twenty-four pairs of flow sensing ports in the manifold are strategically located so that the A

CCUBALANCE

degree of measurement accuracy, even in non-uniform flow conditions.

The A

CCUBALANCE

capture hood is temperature-compensated to display a standard flow rate: SCFM, Std l/s, Std m rate is defined as the volumetric flow rate at standard conditions of 70°F (21.1°C) and 14.7 pounds per square inch (760 mmHg) barometric pressure. Standard flow rate is the measurement used most often in ventilation applications.

HILE USING THE ACCUBALANCE® AIR BALANCING

INSTRUMENT TO TEST AIR FLOW IN DUCTS

COME INTO CONTACT WITH OR BE EXPOSED TO DUST

POLLEN

CONTAMINANTS

DUST

CONTAMINANTS

OR RESPIRATOR WHILE EMPLOYING THE

AIR BALANCING INSTRUMENT

, MOLD, FUNGUS, OR OTHER AIRBORNE

, POLLEN, MOLD, FUNGUS, OR OTHER AIRBORNE

capture hood is an instrument

CCUBALANCE

/min). All readings may also be displayed in

capture hood provides the highest

capture hood is lightweight

/hr), and standard

/hr, and Std m3/min. Standard flow

CAUTION

, YOU MAY

. IF YOU ARE OR MAY BE SENSITIVE TO

, ALWAYS USE AN APPROPRIATE MASK

ACCUBALANCE

Chapter 1

Set Up

This chapter guides you through unpacking, setting up, and getting started using your A description of all operating features.

CCUBALANCE

Air Capture Hood. See Chapter 2 for a detailed

Figure 1: The A

Unpacking

Carefully unpack the instrument and accessories from the carrying case. Check the individual parts against the list of components in Tables 1 through

3. If any are missing or damaged, notify TSI immediately.

CCUBALANCE® Air Capture Hood

Table 1 List of components

Qty Item Part No.

1 Model 8371 base N/A 1 2 ft x 2 ft (610 mm x 610 mm) hood fabric 1307060 6 Frame support poles 1081390 4 2 ft (610 mm) frame tubing* 1081262 6 Right angle tubing connectors* 1081584 1 Battery holder 1081279 4 C-size batteries 1208018 1 Battery compartment cover 1081458 1 Carrying case 1319067 1 Operation and Service Manual 1980335

*Four 2 ft frame tubings and four of the right angle connectors are shipped assembled inside the top of the hood fabric.

Table 2 List of components: -3 Hood Kit (adds 2 hoods to the base kit)

Qty Item Part No.

1 2 ft x 4 ft (610 mm x 1220 mm) hood fabric 1801065 1 1 ft x 4 ft (305 mm x 1220 mm) hood fabric 1801066 6 2 ft (610 mm) frame tubing 1081262 4 1 ft (305 mm) frame tubing 1081260 6 Right angle tubing connectors 1081584 6 Straight tubing connectors 1302833

Table 3 List of components: -5 Hood Kit (adds 4 hoods to the base kit)

Qty Item Part No.

1 2 ft x 4 ft (610 mm x 1220 mm) hood fabric 1801065 1 1 ft x 4 ft (305 mm x 1220 mm) hood fabric 1801066 1 1 ft x 5 ft (305 mm x 1525 mm) hood fabric 1801067 1 3 ft x 3 ft (915 mm x 915 mm) hood fabric 1801068 6 2 ft (610 mm) frame tubing 1081262 4 1 ft (305 mm) frame tubing 1081260 6 Right angle tubing connectors 1081584 6 Straight tubing connectors 1302833 2 1x tube connectors 1081580

Included with every manual is a registration card. Look for yours at the front of this manual. Please complete and mail it promptly; it allows TSI to inform you of product updates. You may also register on line by visiting the TSI web site.

Chapter 1

Parts Identification

Before proceeding with assembly and use of the A

CCUBALANCE

capture hood, please familiarize yourself with the various parts of the instrument. Refer to tables 1 through 3 for part descriptions and Figure 2 for general location of major items.

Figure 2: A

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Components

1 Fabric hood - Basic hood assembly is covered later in this chapter,

other hoods are discussed in

Chapter 2.

2 Right handle with SAMPLE button - used for capturing information on

the display.

3 Meter base.

4 Electronic meter and display - Detailed keypad functions are covered

Chapter 2.

5 Printer bracket - Allows the portable printer to be attached to the

CCUBALANCE

base for ease of use and printing of data.

6 Left handle with PRINT button - Used to print that which is on the

display value to the portable printer.

Display

Each time the A

CCUBALANCE

capture hood is turned on, all segments of the display will be shown momentarily. Below is a list of items that will appear on the display and their use.

Set-Up

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