Thermo Scientific 8100 Series Istruzioni operative

Model 8100 Series

Upright Blast Freezer

Operating and Maintenance Manual

7008101 Rev. 6

Thermo ScientificThermo Scientific

MANUAL NUMBER 7008101

6 25758/FR-1938 27Aug2009 Added production loading and defrost info to Section 2, pgs 2-3 & 2-4 ccs

5 FR-1938 04Jun2008 Updated specs w/ weight, revised schematics w/ power connections ccs

4 SI-9923 12Oct2007 Changed thermal expansion valve from 992314 to 220791 ccs

-- 24115/FR-1938 12Oct2007 Updated door switch to a 1950145 magnetic switch ccs

3 23830/FR-1938 26Sept2007 Updated door switch on 8106 from 360157 to 360277 w/ 360278 actuator ccs

2 23782/FR-1938 23Aug2007 Updated schematics (220778 coil), condensing unit specs ccs

1 23830/FR-1938 19Jan2007 Revised for Thermo approved install and set-up, connection limitation, schematics ccs

0 22697 8 July 2005 New operating manual aks

REV ECR/ECN DATE DESCRIPTION By

Preface

Blast Freezer i

Preface

Thermo Scientific Blast Freezer iiThermo Scientific

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 Scientificiii Blast Freezer Thermo Scientific

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:

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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 Blast Freezer ivThermo Scientific

Preface

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

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.

Blast Freezer vThermo Scientific

Table of Contents

Set-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1

Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1

Temperature Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1

Set Point Adjustment Screwdriver . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2

Blower Control System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2

Mode Select Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 2

Product Installation into Drawers . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 3

Defrosting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 4

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

Refrigeration System Maintenance . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1

Defrosting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1

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

Servicing the Refrigeration System . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

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

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

Refrigeration Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1

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

Warranty Information

Section 1

Section 2

Section 3

Section 4

Section 5

Section 6

Section 7

Section 8

Blast Freezer 1-1Thermo Scientific

Section 1 Set-Up

Installation and start-up must be performed by Thermo approved

personnel only. s

The distance between the condensing unit and the blast freezer can be no

more than 100 equivalent feet (includes tubing, elbows, traps, etc.).

Blast Freezer 2-1Thermo Scientific

Section 2 Operation

The electronic temperature controller provides a constant display of the

freezer’s temperature. The numerical LED display provides readout of the

actual freezer chamber temperature in increments of 1°C.

The numerical LED display indicates the temperature setpoint when the

Press-To-Set button is pressed. To adjust the temperature setpoint, press

the Press-To-Set button and adjust the setpoint setscrew, using the

adjustment screwdriver shipped with the operating manual.

The temperature controller board controls power to the compressor and

the cooling fan. The temperature controller must be set and maintained

within the normal temperature specifications of 0°C to -50°C.

Adjustment of the temperature controller below the normal temperature

specification (-50°C) will void the warranty. s

Temperature

Controller

Figure 2-1. Temperature Controller

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