Thermo Scientific 996 Operating instructions

Model 900 Series

-86C Ultra Low Temperature Freezer

Operating and Maintenance Manual 7030902 Rev. 5

Thermo ScientificThermo Scientific

Preface

Model 900 Series i

Model Capacity

(cubic feet) Voltage

902 13 230

903 13 120

904 17 120

905 17 230

906 23 230

907 28 230

956 23 120

Double Door Units

990 23 120

991 13 230

992 13 120

993 17 120

994 17 230

995 23 230

996 13 230

997 17 230

998 23 230

Part

Number Description Quantity

34040 Key Ring 1 (2 for double

door units)

122005 Key 2 (4 for double

door units)

380520 Neoprene Cap 2

510016 1/4-20 x 5-1/2” Bolt 2

195763 Retaining Clip 1

370563 Remote Alarm

Connector 1

Packing ListModels Covered

MANUAL NUMBER 7030902

5 25283/IN-10127 5/28/09 Updated 8602-200-1-B exploded parts drawing - 28 cu ft door change ccs

4 25411/FR-2049 4/30/09 Changed drier from 209020 to 209016 (refrigeration schematics) ccs

3 25018/FR-2016 10/29/08 Removed reference to VRP tool ccs

2 FR-2004 8/27/08 Added 996, 997, and 998 models ccs

-- -- 7/8/08 Removed typographical errors in Specifications (lids, sub-lids instead of door insulation) ccs

1 24567/FR-2000,24605/ 4/24/08 Clarified chamber probe and thermocouple callouts, Important info above, ccs

FR-2000, 24417/SI-9962 updated exploded parts drawings (-203) to current production (color chg),

24191 software updated - added ‘Test BUS Operation’ and Micro Board Failure Error

0 23831/FR-1943 6/18/07 Release 4 heat exchanger ccs

REV ECR/ECN DATE DESCRIPTION By

Important installer and user information:

A redundant temperature sensing device has been included in this ULT freezer.

This device is a type “T” thermocouple. For convenient access, the thermocou-

ple (Figure 1-3) terminates in an interconnect jack (Figure 1-5) behind the base

front cover. (May be located differently in chests. See Section 1.) It is strongly

recommended that this thermocouple be attached to a redundant 24 hour 7

day monitoring system with alarm capabilities. Connecting the sensor to a

monitoring and alarm system separate from the freezer provides the utmost in

product safety, should the integral system fail. s

Thermo Scientificii Model 900 Series Thermo Scientific

PrefacePreface

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.

Contains Parts and Assemblies

Susceptible to Damage by

Electrostatic Discharge (ESD)

CAUTION

Thermo Scientific Model 900 Series iiiThermo Scientific

Preface

Thermo ScientificThermo Scientific

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

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

symbol.

Extreme temperature hazards, hot or cold. Use special handling equipment or wear special, protective

clothing.

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.thermo.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 Model 900 Series 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:

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

Model 900 Series vThermo Scientific

Table of Contents

Installation and Start-up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1

Freezer Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 1

Control Panel Keys, Displays, Indicators . . . . . . . . . . . . . . . . . . . .1 - 4

Operation of the Keypad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 5

Install Freezer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 5

Choose Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 5

Install Wall Bumpers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 6

Install Shelves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 6

Remote Alarm Contacts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 6

Attach Power Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 7

Connect Unit to Electrical Power . . . . . . . . . . . . . . . . . . . . . . . . .1 - 7

Freezer Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 8

Set Operating Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 8

Set High Temperature Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 9

Set Low Temperature Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 9

Run Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 - 10

Calibrate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1

Calibrate Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1

Calibrate Control Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 - 1

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1

Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1

Wrong Power Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 1

High Stage System Failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 2

Probe Failure Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 2

Voltage Compensation Alarm . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 2

Micro Board Failure (E07) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 2

Loss of Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 - 2

Section 1

Section 2

Section 3

vi Model 900 Series Thermo Scientific

Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

Clean Cabinet Exterior . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

Clean Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

Clean Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 1

Clean Water-cooled Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 2

Defrost Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 2

Clean Door Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 3

Vacuum Relief Port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 3

Replace Battery(s) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 5

Prepare Unit for Storage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 5

Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 - 6

Factory Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

BUS (Back Up System) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 1

Install Vent Stack, Solenoid and Injection Assembly . . . . . . . . . . .5 - 1

Install Temperature Probe . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 3

Connect Probe/Solenoid Harness . . . . . . . . . . . . . . . . . . . . . . . . .5 - 4

BUS Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 5

Configure Optional BUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 6

Set Optional BUS Set Point . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 6

Test BUS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 7

Clean Vent Stack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 7

Disconnect Fitting Assembly, Transfer Hose . . . . . . . . . . . . . . . . .5 - 7

Chart Recorder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 7

Install Chart Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 8

Recorder Calibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 8

Datalogger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 9

Water-Cooled Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 9

Five Inner Door Option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 - 9

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 - 1

Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 - 1

Refrigeration Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8 - 1

Electrical Schematics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9 - 1

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 - 1

Handling Liquid Nitrogen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A - 1

Handling Liquid CO2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .B - 1

First Aid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .C - 1

Table of Contents

Section 4

Section 5

Section 6

Section 8

Section 7

Section 9

Section 10

Appendix

Model 900 Series 1-1Thermo Scientific

Section 1 Installation and Start-up

• Control panel - keypad, displays and indicators

• BUS (Optional Back Up System) control panel

• Optional temperature recorder or datalogger

Optional Back Up

System Controls

Temperature

Recorder

(Optional)

Control Panel

Figure 1-1. Freezer Front View Components

1-2 Model 900 Series Thermo Scientific

Section 1

Installation and Start-Up

Thermo Scientific

Section 1

Installation and Start-Up

Optional Back-up

System Connections

Power Switch

(mains

disconnect)

Power Inlet

Remote Alarm

Contacts

Wall Bumper

(pre-tapped holes)

Figure 1-2. Freezer Rear View Components

Shelf

Bracket

Sealant

(Caution: This is a critical seal.

Seal must be maintained.)

Optional - Recorder Probe/Datalogger Probe

Control RTD/Redundant Type T

Thermocouple Probe

Optional Miscellaneous Accessories Probe

Figure 1-3. Chamber Probe(s)

• Remote alarm contacts

• Power inlet for power cord connection

• Optional BUS connections for probe and solenoid

• Power switch (mains disconnect)

Model 900 Series 1-3Thermo Scientific

Section 1

Installation and Start-Up

• Vacuum relief port - pressure equalization port

• Probe cover - houses control, optional recorder, datalogger, or 1535

alarm probes

• Battery mounting bracket(s)

• Battery power switch (freezer and BUS)

• Freezer battery

• Optional BUS battery

• Freezer filter location

Figure 1-4. Vacuum Relief and Probe Cover Location

Battery power

switch To

remove filter

Thermocouple

interconnect jack

Battery mounting

bracket

Freezer battery

and optional BUS battery

Figure 1-5. Battery(s) location and switch

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