Thermo Electron Forma POWERFREEZE 840 Istruzioni operative

Forma®POWERFREEZE™

Ultra Low Temperature Freezer

Operating and Maintenance Manual

Manual Number 7000840 Rev. 1

FORMA

PowerFREEZE

ULT Freezer

Manual Number 7000840

1 23014 11/29/05 Changed circuit breaker (revised parts list) for 120V units aks

-- -- 6/14/05 Updated contact information aks

0 -- 9/29/04 Modified 89002416-d for Forma brand aks

Revision ECN/ECR Date Description By

Forma®POWERFREEZE™

Ultra Low Temperature Freezer

Operating and Maintenance Manual

Manual Number 7000840 Rev. 1

Thermo Electron Corporation

Packing List

(1) POWERFREEZE freezer

(1) Operating and maintenance manual 7000840

(1) Ice scraper 86000542

(1) Fuse 26387029

(1) 9 point connector adapter 86001821

(2) Door keys

(2) Anti-skid pads for leveling feet 85241913

(1) 17/19 spanner (wrench) for leveling feet 26178039

(1) Door opening limiter 51245425

(1) 8/10 spanner (wrench) for door opening limiter 26178026

(1) Back spacers 85230074

iii Forma®POWERFREEZE™Thermo Electron Corporation

Preface

Thermo Electron Corporation Forma®POWERFREEZE™ivThermo Electron Corporation

Preface

Caution 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. V

Caution All internal adjustments and maintenance must be performed by

qualified service personnel. V

Important Refer to the serial tag on the back of this manual. V

Note The material in this manual is for information purposes only. The

contents and the product it describes are subject to change without notice.

Thermo Electron Corporation 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. V

Important operating and/or maintenance instructions. Read the

accompanying text carefully. V

Potential electrical hazards. Only qualified persons should perform

procedures associated with this symbol. V

Equipment being maintained or serviced must be turned off and locked

off to prevent possible injury. V

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

materials which may be damaged by elevated temperatures. V

Always use proper protective equipment (clothing, gloves, goggles, etc.) V

Always dissipate extreme cold or heat and wear protective clothing. V

Always follow good hygiene practices. V

Each individual is responsible for his or her own safety. V

Thermo Electron Corporationv Forma®POWERFREEZE™Thermo Electron Corporation

Preface

Warranty

The Warranty Period starts two weeks from the date your equipment is

shipped from our facility. This allows for shipping time so the warranty

will go into effect at approximately the same time your equipment is

delivered. The warranty protection extends to any subsequent owner

during the warranty period.

During the first two years of the warranty period, component parts proven

to be non-conforming in materials or workmanship will be repaired or

replaced at Thermo's expense, labor included. The freezer has an additional

two year warranty on the compressors, parts only, F.O.B. factory.

Installation and calibration is not covered by this warranty agreement. The

Technical Services Department must be contacted for warranty

determination and direction prior to any work being performed.

Expendable items, i.e., glass, filters, pilot lights, light bulbs and door

gaskets are excluded from this warranty.

Replacement or repair of component parts or equipment under this

warranty shall not extend the warranty to either the equipment or to the

component part beyond the original two year warranty period. The

Technical Services Department must give prior approval for the return of

any components or equipment.

THIS WARRANTY IS EXCLUSIVE AND IN LIEU OF ALL OTHER

WARRANTIES, WHETHER WRITTEN, ORAL, OR IMPLIED. NO

WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A

PARTICULAR PURPOSE SHALL APPLY. Thermo shall not be liable for

any indirect or consequential damages including, without limitation,

damages relating to lost profits or loss of products.

Your local Thermo Sales Office is ready to help with comprehensive site

preparation information before your equipment arrives. Printed instruction

manuals carefully detail equipment installation, operation, and preventive

maintenance.

If equipment service is required, please call your Technical Services

Department at 1.888.213.1790 (USA and Canada) or 1.740.373.4189.

We're ready to answer your questions on equipment warranty, operation,

maintenance, service, and special applications. Outside the USA contact

your local distributor for warranty information.

Forma®POWERFREEZE™viThermo Electron Corporation

Table of Contents

Packing List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .iii

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .v

Use and Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

General Presentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-1

Freezing System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Storing System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Inner Chamber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Outer Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-2

Casters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Handle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Outer Body . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Chamber Gasket . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-3

Storage Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Options and Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-4

Recorder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

CO2Backup System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-5

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1

Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Back Spacer Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2

Door Opening Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3

Positioning the Leveling Feet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

Optional Recorder Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-4

Changing the Recorder Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

Installing Chart Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-5

Calibrate Chart Recorder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-6

Power Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-7

Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-8

Section 1

Section 2

vii Forma®POWERFREEZE™Thermo Electron Corporation

Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1

Inner Dimensions/ Capacities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

External Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Chamber Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Packaging Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2

Operating Principles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-1

Instruction for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Temperature Setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-2

Fault Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3

High Temperature Setpoint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-3

Communication Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-5

Service Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-7

Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Discarding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1

Cleaning the Condenser Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1

Service and Preventive Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . .8-1

Door Seal Defrosting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-2

Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-2

Fuse Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-2

Chamber Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8-2

Table of Contents

Section 3

Section 4

Section 5

Section 6

Section 7

General Presentation

Forma®POWERFREEZE™1-1Thermo Electron Corporation

Section 1 Use and Function

POWERFREEZE™ ULT Freezers are designed to freeze samples from

ambient temperature and to maintain them at a temperature as low as

-86°C. At -70°C, the metabolism of most biological samples is virtually

stopped.

These samples can be stored several months or years without altering their

properties.

The Forma POWERFREEZE freezers are designed to optimize thermal

transfer from the sample to guarantee their optimal storage conditions. The

POWERFREEZEdesign is a unique combination of a freezing system and

storage system which places a cooling coil in the top of each compartment.

FORMA

PowerFREEZE

ULT Freezer

Figure 1-1. Location of Main Components

Display

Handle

Optional

temperature

recorder

Control panel

Condenser filter access grille

Grille

Safety and

communication

devices

Electrical

connection

Power switch-

mains disconnect

General Description

Outer Door

Inner Chamber

Storing System

Insulation

Freezing System

1-2 Forma®POWERFREEZE™Thermo Electron Corporation

Section 1

Use and Function

The freezing system contains:

• Material: anodized aluminum (upper plate)

• Concept: plain upper plate, perforated bottom plate

• Cooling coils inserted in the sandwich shelf

The storing system contains:

• 4 independent compartments closed by 4 insulated inner doors

• Material: painted steel; insulation: polyurethane, thickness 0.39 inches

(10 mm)

• Magnetic closing system and “easy opening” knob

The insulation construction consists of the following material:

• Concept: 5 blocks of polyurethane 0%CFC; thickness 4.7 inches

(120 mm)

The inner chamber has the following characteristics:

• Stainless steel

• Access for CO2back-up injection

• Access for probe of 7-day recorder or extra monitoring sensor.

• Single outer door.

• Insulation thickness: 3.5 inches (90 mm)

• Insulation material: Polyurethane

• Door opening limiter located on the top left of the door. The freezer

is delivered without door opening limiter installed. After unpacking

unit, install door opening limiter to avoid damaging door hinges.

Forma®POWERFREEZE™1-3Thermo Electron Corporation

Section 1

Use and Function

• Two lip, easily changed chamber gasket

• Material: high flexibility silicone

• Material: powder coated painted steel

• Low-force single-handed operation handle

• Lock and keys (2)

• 4 rotating casters

• 2 leveling feet with anti-skid pads to prevent freezer from moving

Chamber Gasket

Outer Body

Handle

Casters

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