Forma Scientific 1284 User manual

Forma Scientific, Inc.

Millcreek Road, P.O. Box 649

Marietta, Ohio 45750

U.S.A. Telephone: (740) 373-4763

Telefax: (740) 373-4189

_____________________________________

Models:

1284, 1285, 1286, 1287,

1288, 1290, and 1291

Biological Safety Cabinets

Class II, Type A/B3

Manual No: 7001284 Rev. 10

Read This Instruction Manual

Failure to read, understand and follow the instructions in this manual may result in

damage to the unit, injury to operating personnel and poor equipment performance.

Refer to the serial tag on the

rear cover of this manual

FormaModel 1280/1290 Series ______________________________________________

The material in this manual is for information purposes only. The contents and the product it

describes are subject to change without notice. Forma Scientific, Inc. makes no representations or

warranties with respect to this manual. In no event shall Forma Scientific, Inc. be held liable for any

damages, direct or incidental, arising out of or related to the use of this manual.

Manual No. 7001284

10 19029/HD-1295

19002/SI-7906 6/16/00 Added exclusion on FLA rating

Wire harness chg (1284 & 1285-72 drawings) ccs

9 18861/HD-1283

18863/HD-1283 4/12/00 Model 1286 Blower motor change, updated Section 9.2 ccs

8 18826/HD-1286 2/28/00 Added mercury disposal warning ccs

7 HD-1265 2/4/00 Revise 1284-72 (rev. 8) ccs

6 18492/HD-1265

18548/HD-1265 1/17/00 Universal Piping Option Changes

Hinged Control Panel ccs

-- 18582/HD-1269 11/2/99 Added air flow test sheet to Certifier Listing Section ccs

5 18405/HD-1263 8/12/99 Updated 1290 parts list/schematic (lights) ccp

REV ECN DATE DESCRIPTION BY

WARNING! Lamps, thermometers and thermoregulators contain

mercury. Do not put in trash. Recycle or dispose as hazardous waste.

FormaModel 1280/1290 Series _________________________________________Service

Do You Need Information or Assistance on Forma Scientific

Products?

do, please contact us 8:00 a.m. to 7:00 p.m. (Eastern Time) at:

1-740-373-4763 Direct

1-888-213-1790 Toll Free, U.S. and Canada

1-740-373-4189 FAX

http://www.forma.com Internet Worldwide Web Home Page

[email protected] Service E-Mail Address

If you

Our staff can provide information on pricing and give you quotations. We

can take your order and provide delivery information on major equipment items or make

arrangements to have your local sales representative contact you. Our products are listed on the

Internet and we can be contacted through our Internet home page.

Our staff can supply technical information about proper setup,

operation or troubleshooting of your equipment. We can fill your needs for spare or replacement

parts or provide you with on-site service. We can also provide you with a quotation on our

Extended Warranty for your Forma products.

Whatever Forma products you need or use, we will be happy to discuss your

applications. If you are experiencing technical problems, working together, we will help you

locate the problem and, chances are, correct it yourself...over the telephone without a service

call.

When more extensive service is necessary, we will assist you with direct factory trained

technicians or a qualified service organization for on-the-spot repair. If your service need is

covered by the warranty, we will arrange for the unit to be repaired at our expense and to your

satisfaction.

Regardless of your needs, our professional telephone technicians are available to assist

you Monday through Friday from 8:00 a.m. to 7:00 p.m. Eastern Time. Please contact us by

telephone or fax. If you wish to write, our mailing address is:

Forma Scientific, Inc.

Millcreek Road, PO Box 649

Marietta, OH 45750

International customers please contact your local Forma Scientific distributor.

Sales Support

Service Support



FormaModel 1280/1290 Series ____________________________________ Safety

General Safety Notes used in this Manual

Alerts the user to important operating and/or maintenance

instructions. May be used alone or with other safety symbols.

Read the accompanying text carefully.

Potential electrical hazards. Only qualified persons should

perform the instructions and procedures associated with this

symbol.

Hazard. Do not touch. Instructions associated with this symbol

should only be carried out when using special handing equipment

or when wearing special, protective clothing.

Potential biological hazards. Proper protective equipment and

procedures must be used when following instructions associated

with this symbol.

Reference O.S.H.A. Regulation 1910-1030.

Potentially hazardous energy. Equipment being maintained or

serviced must be turned off and locked off to prevent possible

injury. Reference O.S.H.A. Regulation 1910-147.

Hot surface(s) present which may cause burns to unprotected

skin or to materials which may be damaged by elevated

temperatures

Warning. Skin damage and/or eye injury can result from the light

produced by ultra violet light sources installed in this equipment.

Never work in this unit with the ultra violet light operating.

√

√√

√Always use the proper protective equipment (clothing, gloves, goggles etc.).

√

√√

√Always dissipate extreme cold or heat, or wear protective clothing.

√

√√

√Always follow good hygiene practices.

√

√√

√Each individual is responsible for his/her own safety.

FormaModel 1280/1290 Series __________________________________Contents

Table Of Contents

Page

Section 1 - Receiving

1.1 Unpacking List........................................................................1-1

Section 2 - Introduction

2.1 Description .............................................................................2-1

2.2 Theory of Operation................................................................2-1

Section 3 - Installation

3.1 Location .................................................................................3-1

3.2 Power Connection...................................................................3-1

3.3 Plumbing Connection...............................................................3-1

a. Universal Plumbing Option..................................................3-2

3.4 Exhaust Requirements .............................................................3-2

a. Direct Room Exhaust..........................................................3-2

b. External Exhaust System.....................................................3-2

3.5 Remote Alarm Contacts, Model 1288, 1290 and 1291...............3-3

Section 4 - Operation

4.1 Control and Indicating Devices ................................................4-1

Section 5 - General Cautions

5.1 General Caution Notes.............................................................5-1

Section 6 - Cabinet Start-Up

6.1 General Recommendations.......................................................6-1

6.2 Use of Auxiliary Equipment in the Cabinet ...............................6-1

6.3 Cabinet Checklist ....................................................................6-1

6.4 Start-Up Procedure .................................................................6-2

Section 7 - Troubleshooting

7.1 Troubleshooting Guide............................................................7-1

FormaModel 1280/1290 Series __________________________________Contents

vii

Page

Section 8 - Maintenance

8.1 Checking the Static Pressure Gauge "Zero"..............................8-1

8.2 Re-zeroing the Static Pressure Gauge ......................................8-1

8.3 Adjusting the Damper..............................................................8-1

8.4 Biological Safety Cabinet Test Grids........................................8-3

Section 9 - Service

9.1 Replacing the Blower Motor (Model 1284 Series) ....................9-1

9.2 Replacing the Blower Motor (Model 1286 Series) ...................9-2

9.3 Replacing the Filters (All Models) ...........................................9-3

9.4 Replacing the Control Panel (All Models).................................9-5

Section 10 - Specifications ...........................................................................10-1

Section 11 - Accessories...............................................................................11-1

Section 12 - Parts List....................................................................................12-1

Section 13 - Schematics................................................................................13-1

Section 14 - Warranty Information...............................................................14-1

Section 15 - Certifier Listing.........................................................................15-1

(Separate manual included)

FormaModel 1280/1290 Series ____________________________________Receiving

1-1

Section 1 - Receiving

1.1 Unpacking List

Included with the installation/operation manual are four identification index buttons.

These buttons may be used to identify the type of service supplied to the service valves. Also

included in a separate bag attached to the drain handle, is a small Allen wrench used for

calibrating the Static Pressure Gauge. This Allen wrench should be kept with the manual at

all times.

FormaModel 1280/1290 Series ___________________________________Introduction

2-1

Section 2 - Introduction

2.1 Description

The Models 1284, 1285, 1286, 1287, 1288, 1290 and 1291 are Class II, Type A/B3

cabinets. The "Type A/B3" designation indicates two alternative uses of the cabinet. When

vented directly into the laboratory room, the unit serves as a "Type A" unit. When vented to

the outside atmosphere, through an in-house exhaust system, it serves as a "Type B3" unit.

Either usage of the cabinet offers both personnel and product protection.

The cabinet can be used in low-to-moderate risk environments and is designed to

NSF, International Standard #49. Class 1, 2, and 3 (low-to-moderate risk) agents are

described in the "Biosafety In Microbiological And Biomedical Laboratories"; CDC NIH

Publication No. (NIH) 88-8395, 3rd Edition, May 1993.

The cabinet's window permits the user to place auxiliary equipment and research

implements in the work area. The work opening must be held to 10 inches during all work

procedures. If the window is raised higher than the designated 10 inches, the air barrier at the

front of the cabinet will be weakened and containment will be seriously impaired.

2.2 Theory of Operation

Clean, filtered air descends through the work zone with approximately 40% being

discharged through the exhaust HEPA filter with the remaining air recirculating through the

supply HEPA filter into the work area. Exhausted air is replaced by room air entering the

system through the front access opening.

Room air entering the work zone, through the front access opening, completes the

air barrier at the unit face and is responsible for the containment properties of the unit. All

work must be performed beyond the intake grille, on the solid work tray.

FormaModel 1280/1290 Series _____________________________________Installation

3-1

Section 3 - Installation

3.1 Location

Locate the cabinet on a firm, level surface in an area of minimum temperature

changes. The cabinet should be placed away from disruptive air currents caused by excessive

personnel traffic, air-conditioning or heating ductwork, or laboratory windows and doors.

Proper cabinet location is important, as drafts disrupt critical airflow characteristics and

allow room contaminants to enter or escape the cabinet work area.

Where space permits, fourteen inches should be allowed on each side of the cabinet

for maintenance. A twelve-inch height should be available from the top of the cabinet to the

ceiling.

Place a bubble-type level on the work surface. Adjust the leveling feet until the

cabinet is level and the most comfortable working height is achieved. Ensure that all four

leveling feet are fully flush against the floor to prevent vibration.

3.2 Power Connection

The electrical wall outlet leading to the cabinet should be accessible for electrical

testing. This cabinet is equipped with one power cord supplying power to the blower, lights

and receptacles. The cord should be plugged into a dedicated circuit. Refer to Section 9 or to

the serial plate on the front of the unit for electrical specifications.

3.3 Plumbing Connection

Two service valves are standard with each cabinet and located on the right and left

side of the work station. All service valves are piped within the cabinet. External connection

is a 3/8" FPT coupling. Identification index buttons are supplied.

The cabinet will accommodate four service valves. An additional two service valves

may be purchased from Forma Scientific.

Explosive/flammable substances should never be used in

the cabinet, unless approved and monitored by a biological

safety officer or other qualified individual. However, if

flammable gas is used, emergency shut-off valves must be

located in an accessible area external to the cabinet.

FormaModel 1280/1290 Series _____________________________________Installation

3-2

a. Universal Plumbing Option

The Universal Plumbing option is factory installed. External connection (1/4” NPT) to

the unit is available on the top and the underside of the cabinet, as well as the standard

side connection. See Figure 3-1.

3.4 Exhaust Requirements

Filtered air from the cabinet may be exhausted directly into the room or vented to

the outside through an external exhaust system. Consult a biological safety officer or other

qualified individual for cabinet-type exhaust requirements.

a. Direct Room Exhaust

1. Locate the exhaust filter guard on the top of the cabinet.

2. Remove and save the ten acorn-type nuts and washers that secure the exhaust filter

guard.

3. Remove the cardboard cover plate from the top of the cabinet.

4. Replace the exhaust filter guard with the slope toward the front and the back of the

unit. Secure it with the ten acorn-type nuts and washers removed earlier.

b. External Exhaust System (For Class II Type B3 Only)

The intermediate connection of the cabinet to any external exhaust system (in-house)

can be done by using an exhaust transition, which is available from Forma Scientific. The

exhaust transition requires a minimum of 17-1/8" headroom from the top of the cabinet.

The exhaust system should have safeguards against exhaust

failure. It is required that a biological safety officer, industrial

hygienist or other qualified individual review the agents and

chemicals used inside the cabinet to determine if additional

filtration treatment is necessary before venting to the atmosphere.

The exhaust system must be capable of handling the volume of air passing through

the cabinet. Models 1284, 1285 and 1288 have an air volume of 356-390 CFM. Models 1286,

1287, 1290 and 1291 have an air volume of 530-581 CFM. See Figure 3-2.

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