Thermo Scientific 3920 Operating instructions

Model 3920

Forma Environmental Chamber

Operating and Maintenance Manual 7053920 Rev. 0

Thermo Scientific

MANUAL NUMBER 7053920

0 25355/IN-3932 5/14/09 Original - line cord to 30A and FLA to 20A (including 4A for optional DLP) ccs

REV ECR/ECN DATE DESCRIPTION By

Preface

Environmental Chamber i

Thermo Scientificii Environmental Chamber

Preface

Important 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. s

Caution All internal adjustments and maintenance must be performed by qualified service personnel. s

Material in this manual is for information purposes only. The contents and the product it describes are subject to

change without notice. Thermo Scientific makes no representations or warranties with respect to this manual. In

no event shall Thermo be held liable for any damages, direct or incidental, arising out of or related to the use of

this manual.

Thermo Scientific Environmental Chamber iii

Preface

Important operating and/or maintenance instructions. Read the accompanying text carefully.

Potential electrical hazards. Only qualified persons should perform procedures associated with this

symbol.

Equipment being maintained or serviced must be turned off and locked off to prevent possible injury.

Hot surface(s) present which may cause burns to unprotected skin, or to materials which may be

damaged by elevated temperatures.

Marking of electrical and electronic equipment, which applies to electrical and electronic equipment

falling under the Directive 2002/96/EC (WEEE) and the equipment that has been put on the market

after 13 August 2005.

This product is required to comply with the European Union’s Waste Electrical & Electronic

Equipment (WEEE) Directive 2002/96/EC. It is marked with the WEEE symbol. Thermo Scientific

has contracted with one or more recycling/disposal companies in each EU Member State European

Country, and this product should be disposed of or recycled through them. Further information on

Thermo’s compliance with this directive, the recyclers in your country and information on Thermo

products will be available at www.thermofisher.com.

4Always use the proper protective equipment (clothing, gloves, goggles, etc.)

4Always dissipate extreme cold or heat and wear protective clothing.

4Always follow good hygiene practices.

4Each individual is responsible for his or her own safety.

Thermo Scientificiv Environmental Chamber

Preface

Do You Need Information or Assistance on

Thermo Scientific Products?

If you do, please contact us 8:00 a.m. to 6:00 p.m. (Eastern Time) at:

1-740-373-4763 Direct

1-800-438-4851 Toll Free, U.S. and Canada

1-740-373-4189 FAX

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

Service E-Mail Address

Thermo Scientific

Controlled Environment Equipment

401 Millcreek Road, Box 649

Marietta, OH 45750

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 Thermo Scientific products.

Whatever Thermo Scientific 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 6:00 p.m. Eastern Time. Please contact us by

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

International customers, please contact your local Thermo Scientific distributor.

Sales Support

Service Support

service.led.marietta@thermofisher.com

Thermo Scientific Environmental Chamber v

Preface

Warranty Notes

Information You Should Know Before Requesting Warranty Service

•Locate the model and serial numbers. A serial tag is located on the unit itself.

• For equipment service or maintenance, or with technical or special application inquiries, contact Technical

Services at 1-800-438-4851 or 1-740-373-4763 (USA and Canada). Outside the USA, contact your local

distributor.

Repairs NOT Covered Under Warranty

• Calibration of control parameters. Nominal calibrations are performed at the factory; typically ±1°C for

temperature, ±1% for gases, and ±5% for humidity. Our service personnel can provide precise calibrations as

a billable service at your location. Calibration after a warranty repair is covered under the warranty.

• Damage resulting from use of improper quality water, chemicals or cleaning agents detrimental to

equipment materials.

• Service calls for improper installation or operating instructions. Corrections to any of the following

are billable services:

1) electrical service connection

2) tubing connections

3) gas regulators

4) gas tanks

5) unit leveling

6) room ventilation

7) adverse ambient temperature fluctuations

8) any repair external to the unit

• Damage resulting from accident, alteration, misuse, abuse, fire, flood, acts of God, or improper

installation.

• Repairs to parts or systems resulting from unauthorized unit modifications.

• Any labor costs other than that specified during the parts and labor warranty period, which may

include additional warranty on CO2sensors, blower motors, water jackets, etc.

Environmental Chamber viThermo Scientific

Table of Contents

Installation and Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Preliminary Cleaning and Disinfecting . . . . . . . . . . . . . . . . . . . . . . . .1-2

Installing the Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Leveling the Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Attaching the Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Remote Data Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

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

4-20 Milliamp Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Remote Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Set Overtemp Safety Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Set Undertemp Safety Thermostat . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

Prepare (Optional) CoBex Recorder . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

Change Chart Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

Change Pen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

Honeywell Recorder (Optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-6

IR CO2Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7

Connect CO2Source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-7

Set CO2Content . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

CO2Control and Indicators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-8

Start-Up and Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

Set the Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Air Exchange Ventilator Caps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Heatless Dryer P/N 1900139 (optional) . . . . . . . . . . . . . . . . . . . . . .2-3

Routine Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Section 1

Section 2

Section 3

vii Environmental Chamber Thermo Scientific

Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

Electrical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

Replace Over/ Undertemp Probe & Thermostat . . . . . . . . . . . . . . . .4-1

Replace Temperature Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Program Temperature Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Remove Mechanical Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2

Remove Software Lockout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

Controller Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Offset Calibration (Temperature) . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

Turn Hardware Lockout Back On . . . . . . . . . . . . . . . . . . . . . . . . . .4-6

Replace Optional Recorder and Probe(s) . . . . . . . . . . . . . . . . . . . . . .4-6

Calibrate the Recorder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7

Set the Door Heater Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8

CO2Controller Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Refrigeration Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Electrical Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1

Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9-1

Recorder Supplement

Table of Contents

Section 4

Section 5

Section 6

Section 8

Section 7

Section 9

Appendix A

Environmental Chamber 1-1Thermo Scientific

Section 1 Installation and Set-Up

Figure 1-1. Front View Figure 1-2. Side View

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