Forma Laboratory Refrigerators 34830H63 Rev. A a & d voltages


Thermo Scientific Forma Laboratory Refrigerators



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8

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

9

Chart Recorders

Panel-mounted six inch recorders are available as options on all 

models. Recorder operation begins when the system is powered 

on.


9.1

Set Up and Operation

To prepare the recorder to function properly, complete the 

following steps:

1. Open the recorder door to access the recorder.

2. Connect the nine volt DC battery located at the recorder’s 

upper right corner. This battery provides back-up power.

3. Install clean chart paper (refer to Section 9.3 below).

4. Remove the plastic cap from the pen stylus and close the 

recorder door.

Note:

The recorder may not respond until the system reaches 

temperatures within the recorder’s range. 

Figure 4.  Six Inch Chart Recorder

Figure 5.  Chart Buttons

9.2

Power Supply

The recorder normally uses AC power when the system is 

operating. If AC power fails, the LED indicator flashes to alert 

you to a power failure. The recorder continues sensing cabinet 

temperature and the chart continues turning for approximately 

24 hours with back-up power provided by the nine-volt battery. 

The LED indicator glows continuously when main power is 

functioning and the battery is charged.

When the battery is low, the LED flashes to indicate that the 

battery needs to be changed.



9.3

Changing Chart Paper

To change the chart paper, complete the following steps:

1. Locate the pressure sensitive buttons at the front, upper left 

of the recorder panel.

2. Press and hold the change chart button for one second. The 

pen will move off the scale.

3. Unscrew the center nut, remove the old chart paper, and 

install new chart paper. Carefully align the day and time with 

the reference mark on the recorder panel (a small groove on 

the left side of the panel, shown in Figure 4).

4. Replace the center nut and hand tighten. Press the change 

chart button again to resume temperature recording.



9.4

Calibration Adjustment

This recorder has been accurately calibrated at the factory and 

retains calibration even during power interruptions. If required, 

however, adjustments can be made as follows:

1. Run the unit continuously at the control setpoint temperature. 

Continue steady operation for at least two hours to provide 

adequate time for recorder response.

2. Measure cabinet center solution temperature with a 

calibrated temperature monitor. (Solution temperature is 

measured inside the sensor bottle.)

3. Compare the recorder temperature to the solution 

temperature. If necessary, adjust recorder by pressing the left 

(#1) and right (#2) chart buttons.

Note:

The stylus does not begin to move until the button is held 

for five seconds.

9 Volt Battery

Imprinting

Stylus


Hub-Nut and

Retaining Wire

Chart

Chart Buttons



1

2

3

CHANGE CHART


9

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

10 Maintenance

10.1 Cleaning the Drawers and Cabinet Interior

Pharmacy refrigerators come standard with drawers. All other 

refrigerators come standard with wire shelves. Additional 

drawers and/or shelves are offered as available options.

To clean the drawers and cabinet interior, remove the drawers 

following the instructions below. Use a solution of water and a 

mild detergent. Rinse the drawers and wipe them dry with a soft 

cloth.


10.2 Removing the Drawers

The drawers in all models can be removed for cleaning. 

To remove the drawers, complete the following steps (refer to 

Figure 6):

1. Pull the drawer toward you until the slide is fully extended.

2. Lift the back of the drawer to disengage the mounting tab 

from the slot on the slide.

3. Raise the back of the drawer almost to a vertical position and 

disengage the front mounting clips from the slide.

The drawer slides are adjustable. You can position these slides in 

the vertical slots which are spaced at one-inch intervals.

Figure 6.  Drawer Removal 

10.3 Reinstalling the Drawers

To reinstall the drawers, complete the following steps:

1. Pull both drawer slides toward you until the slides are fully 

extended.

2. Position the drawer between the slides and insert the front 

mounting clips into the slots on front of the slides.

3. Push the back of the drawer down between the slides and 

insert the drawer tabs into the back slots.



Note:

The drawers fit snugly between the slides. Push on the 

back of the drawer from the inside to insert the drawer 

tabs completely into the slots. Make sure both drawer 

tabs are aligned with the slots on the slides before 

pushing the drawer down between the slides.

10.4 Cleaning the Condenser

WARNING!

 Disconnect equipment from main 

power before attempting any maintenance to 

equipment or its controls.



CAUTION!

Condensers should be cleaned at least 

every six months. In heavy traffic areas, condensers 

load with dirt more quickly. Failure to keep the 

condenser clean can result in equipment warm-up or 

erratic temperatures.

Periodically check the condenser to make sure that it is clean.

In all models except for the 45 ft

3

 sliding glass door model, the 



condenser is located in the top machine compartment. 

To clean the condenser:

1. Disconnect the power.

2. Remove the top grill (bottom front grill if you have a sliding 

glass door model).

3. Use a vacuum cleaner with hose and brush attachments to 

clean the front face of the finned surface.

4. Clean up any loose dust and replace the grill.

5. Reconnect the power.

Tabs


Drawer slide

Slot



10

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

11 Troubleshooting

WARNING!

Troubleshooting procedures involve working with high voltages which can cause injury or death. Troubleshooting 

should only be performed by trained personnel.

This section is a guide to troubleshooting equipment problems.



Table 6. 

Troubleshooting Procedures

Problem

Cause

Solution

Unit does not operate 

or Power Failure 

Indicator is on.

Power supply

1. Check that the cord is securely plugged-in.

2. Plug another appliance into the outlet to see if it is live.

3. If the outlet is dead, check the circuit breaker or fuses.

Temperature 

fluctuates.

Cold control

Make sure that the cold control is set correctly. Refer to Section 7.1 on page 6.

Condenser

Make sure the condenser is clean. Refer to Section 10.4 on page 9.

High pressure

Check the system high-pressure cut-out button. This is an encapsulated control with a rubber boot 

over the reset button. To reset the control, push it down; use a blunt instrument to avoid tearing the 

boot.


Unit warms up.

Door is open.

Make sure the door is completely closed.

Warm product recently 

loaded in unit.

Allow ample time to recover from loading warm product.

Power supply

Check for proper voltage to the unit. If there is no voltage to the unit, call an electrician.

Compressor

1. If the compressor is not running, check if the unit has a power failure alarm. If the power failure 

alarm light is on, have an electrician check for proper voltage to the unit.

2. If the compressor is running, open the door and look through the slotted air intake in the bottom 

of the evaporator cover to see if icing is present on the evaporator. If icing is present and there 

is no air flow behind evaporator, call technical service for assistance. The evaporator fans may 

be inoperative.

3. If the compressor is running and there is airflow behind the evaporator, contact an authorized 

service provider or call the technical support hot line for assistance.



11

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

12 Accessories

Alarm Systems

Special Voltages

Standard voltages are listed under Voltage in Specification Charts 

associated with each product category. Standard voltages are 

available at no charge; alternative voltages may be available at an 

extra charge. All voltages must be specified when ordering. 

Contact Customer Sales for more information.



Low Voltage Protection

Temperature Recorders

All six inch recorders utilize pressure-sensitive chart paper 

(1 box @ 50 charts included); no inking is required..

Chart Paper

Casters

Extra Shelves

Drawers

Optional stainless steel drawers are offered as an alternative to 

standard shelving.

Description

Catalog 

No.

Standard Remote Alarm. Provides audible and visual 

signal in the event of temperature rise or power failure. 

Adaptable to telephone switchboard. Can be located 

up to 1/3 mile (1760 ft/536 m) from cabinet. Must be 

used with electronic alarm system and connected to 

normally-open or normally-closed remote alarm 

contacts. Wire not included. Specify voltage when 

ordering.



5612

Deluxe Electronic Remote Alarm System. User 

programmable to sound alarm in the event of 

temperature rise or power failure. Can dial up to four 

telephone numbers to advise of alarm condition across 

any telephone system which accepts pulse dialing. 

One System can monitor up to four individual cabinets. 

In addition, the System can monitor up to three groups 

of cabinets. Contact Customer Sales for detailed 

specifications. Customer installed.

6224

Description

Catalog 

No.

Voltage Safeguard. Free-standing. Helps protect electrical 

equipment from damage by boosting low voltage 

automatically. Provided with terminal board for direct 

wiring. Field installed. Specify voltage when ordering.



5575

Description

Catalog 

No.

Temperature recorder, 6 in. circular chart, seven-day drive, 

panel mounted. Factory installed. Specify when 

ordering.



6183-7

Temperature recorder, 6 in. circular chart, seven-day drive, 

free-standing, for all refrigerator models. Customer 

installed. Specify voltage when ordering.



6383-7

Description

Catalog 

No.

Chart paper, package of 50, for six inch, seven-day 

recorder, -40°C to +25°C.

6184

Description

Catalog 

No.

Dual-Wheel Casters. Set of four, two locking, two non-

locking, 3 in. diameter, for 11.5, 23.3, 29.2, 51.1, and 

78.8 cu.ft models only.

6041-1

Description

Catalog 

No.

Zinc Plated. Full Size. For use with 23.3, 45.8, 51.5, and 

78.8 cu.ft models only

6696

Zinc Plated. Half size. For use with 23.3, 45.8, 51.5, and 

78.8 cu.ft models only.

6698

Zinc Plated. Full size. For use with 29.2 cu.ft models only.



6695

Zinc Plated. Half size. For use with 29.2 cu.ft models only.



6697

Zinc Plated. Full size. For use with 11.5 cu.ft models only.



6202

Zinc Plated. For use with 4.9 cu.ft models only.



7128

Description

Catalog 

No.

For 4.9 cu.ft Undercounter Models

For REL-404, roll-out drawer assembly, two drawers.



7129

For 11.5 cu.ft Space Saver Models

For REL-1204, roll-out drawer assembly, five drawers.



6599

For 23.3, 51.1, and 78.8 cu.ft Models

For REL-2304, roll-out drawer assembly, 

six drawers, full adjustable, fully extendable.

6699

For REL-5004, roll-out drawer assembly, 

12 drawers, fully adjustable, fully extendable.

6700

For REL-7504, roll-out drawer assembly, 18 drawers, fully 

adjustable, fully extendable.

6701

Additional stainless steel drawers, for 23.3, 51.1, and 

78.8 cu.ft models.

6702

For 45.8 cu.ft Models only

For REL-4504, roll-out drawer assembly, six additional 

stainless steel drawers, fully adjustable, fully 

extendable.



6703

For 29.2 cu.ft Models only

For REL-3004, roll-out drawer assembly, six additional 

stainless steel drawers, fully adjustable, fully 

extendable.



6704


12

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

Extended Warranty Options

Note:

In addition the standard full warranty on the complete 

product (USA and Canada), an additional four year protection on 

compressor and compressor parts can be supplied . This 

additional coverage must be purchased at the time of original 

product purchase. Under this contract, the manufacturer agrees to 

furnish a compressor FOB our factory to replace one which has 

been determined to be defective by manufacturer or a factory 

authorized Service Agency.

Description

Catalog 

No.

Extended Four-Year Compressor Parts Contract, all 

refrigerators.

6069

Extended 12-Month Comprehensive Coverage, for all 

models, provides additional 12-month warranty 

coverage, parts and labor. Contact Customer Sales for 

details.

6613



13

Thermo Scientific Forma Laboratory Refrigerators

Installation and Operation

WEEE Compliance

WEEE Compliance. This product is required to comply with the European 

Union’s Waste Electrical & Electronic Equipment (WEEE) Directive 2002/96EC. 

It is marked with the following symbol. Thermo Fisher Scientific has contracted 

with one or more recycling/disposal companies in each EU Member State, and 

this product should be disposed of or recycled through them. Further information 

on our compliance with these Directives, the recyclers in your country, and 

information on Thermo Scientific products which may assist the detection of 

substances subject to the RoHS Directive are available at www.thermo.com/



WEEE Konformittät. Dieses Produkt muss die EU Waste Electrical & 

Electronic Equipment (WEEE) Richtlinie 2002/96EC erfüllen. Das Produkt ist 

durch folgendes Symbol gekennzeichnet. Thermo Fisher Scientific hat 

Vereinbarungen getroffen mit Verwertungs-/Entsorgungsanlagen in allen EU-

Mitgliederstaaten und dieses Produkt muss durch diese Firmen widerverwetet 

oder entsorgt werden. Mehr Informationen über die Einhaltung dieser 

Anweisungen durch Thermo Scientific, dieVerwerter und Hinweise die Ihnen 

nützlich sein können, die Thermo Fisher Scientific Produkte zu identizfizieren, 

die unter diese RoHS. Anweisungfallen, finden Sie unter www.thermo.com/

Conformità WEEE. Questo prodotto deve rispondere alla direttiva dell’ Unione 

Europea 2002/96EC in merito ai Rifiuti degli Apparecchi Elettrici ed Elettronici 

(WEEE). È marcato col seguente simbolo.Thermo Fischer Scientific ha stipulato 

contratti con una o diverse società di riciclaggio/smaltimento in ognuno degli 

Stati Membri Europei. Questo prodotto verrà smaltito o riciclato tramite queste 

medesime. Ulteriori informazioni sulla conformità di Thermo Fisher Scientific 

con queste Direttive, l’elenco delle ditte di riciclaggio nel Vostro paese e 

informazioni sui prodotti Thermo Scientific che possono essere utili alla 

rilevazione di sostanze soggette alla Direttiva RoHS sono disponibili sul sito 

www.thermo.com/

Conformité WEEE. Ce produit doit être conforme à la directive euro-péenne 

(2002/96EC) des Déchets d’Equipements Electriques et Electroniques (DEEE). Il 

est marqué par le symbole suivant. Thermo Fisher Scientific s’est associé avec 

une ou plusieurs compagnies de recyclage dans chaque état membre de l’union 

européenne et ce produit devraitêtre collecté ou recyclé par celles-ci. Davantage 

d’informations sur laconformité de Thermo Fisher Scientific à ces directives, les 

recycleurs dans votre pays et les informations sur les produits Thermo Fisher 

Scientific qui peuvent aider le détection des substances sujettes à la directive 

RoHS sont disponibles sur www.thermo.com/



Great Britain

Deutschland

Italia

France


Important

For your future reference and when contacting the factory, please have the 

following information readily available:

Model Number:

Serial Number: 

Date Purchased: 

The above information can be found on the dataplate attached to the 

equipment. If available, please provide the date purchased, the source of 

purchase (manufacturer or specific agent/rep organization), and purchase 

order number.



IF YOU NEED ASSISTANCE:

SALES DIVISION

Phone:

1-866-984-3766 (866-9-THERMO)



LABORATORY PARTS and SERVICE 

Phone:


1-800-438-4851

TECHNICAL SUPPORT

Phone:

1-800-438-4851




Thermo Fisher Scientific Inc.

275 Aiken Road

Asheville, NC 28804

United States

www.thermofisher.com

34830H


63 Rev. A

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