Cole-Parmer 52412-00, 52412-01, 52412-02, 52412-03, 52412-04 OPERATION MANUAL

Cole-Parmer • 625 East Bunker Court • Vernon Hills, IL 60061-1844 • ColeParmer.com

OPERATION MANUAL

Laboratory Refrigerator

Model: 52412-00,-01,-02,-03,-04,-05,-06,-07,-08,

-09,-10,-11,-12,-13,-14

Before using this product, read this entire Operator's
Manual carefully. Users should follow all of the
Operational Guidelines contained in this Manual and
take all necessary safety precautions while using this
product. Failure to follow these guidelines could result
in potentially irreparable bodily harm and/or property
damage.

- 1 -

Table of Contents

1.0 Safety .................................................................. - 2 -

1.1 How to use the Manual. ---------------------------------------------------------- - 2 -

1.2 Symbols used in this manual. --------------------------------------------------- - 2 -

1.3 Exemption for responsibility. ---------------------------------------------------- - 2 -

1.4 Warning statement. ---------------------------------------------------------------- - 3 -

1.5 Caution statement ----------------------------------------------------------------- - 3 -

1.6 Safety Labels------------------------------------------------------------------------ - 4 -

2.0 Functional Description ...................................... - 5 -

2.1 Introduction -------------------------------------------------------------------------- - 5 -

2.2 Construction ------------------------------------------------------------------------- - 6 -

3.0 Unit components ............................................... - 7 -

3.1 Unpacking and Inspecting. ------------------------------------------------------ - 7 -

3.2 Preparing the Location ----------------------------------------------------------- - 8 -

3.2.1 Environmental setting ........................................................................................................ - 9 -

3.3 Locking/Unlocking Casters & Leveling the unit---------------------------- - 10 -

3.4 Power connection ----------------------------------------------------------------- - 11 -

3.5 Pre start-up checks --------------------------------------------------------------- - 12 -

4.0 Operation .......................................................... - 13 -

4.1 Controller – Name and function ---------------------------------------------- - 13 -

4.2 How to operate Controller ------------------------------------------------------ - 15 -

4.2.1. Temperature setting ......................................................................................................... - 15 -

4.2.2. Temperature Alarm setting (High Alarm/ Low Alarm) ................................................... - 16 -

4.2.3. Operation .......................................................................................................................... - 16 -

4.2.4. Display of abnormal temperature status (High Alarm / Low Alarm) ........................... - 17 -

4.2.5. Display when door opens ................................................................................................ - 17 -

4.2.6. Temperature display at startup. ...................................................................................... - 18 -

4.3 Additional controller function --------------------------------------------------- - 18 -

4.3.1. Temperature setting of compressor ON/OFF ................................................................ - 18 -

4.3.2. BIAS function .................................................................................................................... - 20 -

5.0 Maintenance ..................................................... - 21 -

6.0 Malfunction and troubleshooting ................... - 22 -

6.1 Power -------------------------------------------------------------------------------- - 22 -

6.2 Temperature (refrigeration) ----------------------------------------------------- - 23 -

7.0 Technical Specifications ................................. - 24 -

8.0 Warranty ........................................................... - 25 -

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1.0 Safety

1.1 How to use the Manual.

This operation manual describes important instructions on maintaining product function and
safe use. Please be sure to read the Safety Precautions carefully before using this
equipment.
Please keep this manual close to the equipment to use it after reading through it once.
Please place it where the new user can easily find it in situations where the equipment is
handed over or loaned.

1.2 Symbols used in this manual.

1. The alert marks are there for operating the equipment safely and to protect the user and
equipment from damage.

2. Signal word panels are methods for calling attention to safety and property damages, and
designate a degree or level of hazard seriousness.

3. Pay attention to the contents of alert marks.

Signal words

Purpose

Indicates a hazardous situation which, if
not avoided, could result in death or
serious injury.

Indicates a hazardous situation which, if
not avoided, may result in minor or
moderate injury.

Indicates a property damage message.

1.3 Exemption for responsibility.

1. The claim which is out of the quality guaranteed by the manufacturer is out of
manufacturer’s responsibility.

2. The damage which is from unexpected fault or damage of user by Acts of God is out of
Manufacturer’s responsibility.

- 3 -

1.4 Warning statement.

Indicates a hazardous situation which, if
not avoided, could result in death or
serious injury.

Please check and connect equipment properly – this equipment must be connected to a
power source that meets the electrical requirements and guidelines as specified on the
equipment nameplate.

Use power supplies that are grounded – ungrounded power may cause serious damage to
the user and equipment. For safety, do not connect any ground conductor to a gas or water
pipe.

Do not install the equipment in places where there is or could cause a gas leak out. Do not
use in places that has industrial oil smoke and the metallic dust, which may cause a fire or
electric shock.

Do not use the equipment in areas where flammable or explosive gasses are present. The
equipment is not explosion proof.

Keep equipment out of direct sunlight. The sunlight may affect the product life and function.
Do not use the equipment in places where flooding may occur or where moisture level is high.
Do not assemble, repair, or modify equipment on your own. The product may not work

according to specifications, electric shock may affect the efficiency of the product, and may
void warranty.

1.5 Caution statement

Indicates a hazardous situation which, if
not avoided, may result in minor or
moderate injury.

Do not put heavy things on the power line. Do not put the machine on the line.
It may take off the wire coating and causes the electric shock or fire.

Do not touch power cord and/or other electric components with wet hands.

- 4 -

Outlets should be located near the unit and easily accessible.
Do not install unit near other machines generating strong high frequency noise.
Do not put explosive and/or flammable chemicals inside of the unit.
When cleaning power off the unit and do not pour water into the equipment. Do not use

polishing powder, thinner, kerosene, acid etc.
Do not let the product take any strong shock or vibration, it may cause abnormal operation or

trouble.
If burning smell or smoke happens, power off unit, unplug and request service.

1.6 Safety Labels

Warning labels are affixed on the product and located on front of the door. Be fully aware of

the warning marks and messages during operation.

- 5 -

2.0 Functional Description

2.1 Introduction

Multi-purpose laboratory refrigerators are designed to meet most users’ convenience and
safety – ideal for general purpose refrigerator, drug store refrigerator, low temperature
incubator and a range of diverse applications.

The refrigeration system enables the unit to reach high efficient refrigeration, forced-direct air
circulation to maintain the superior temperature uniformity and quick temperature recovery
after the door is opened.

The high-density foamed-in-place urethane insulation helps maintain the set temperature.
Dedicated controller with visual recognition and operating conditions.

Applications for operation temperature

Operating Temperature

Purpose

+1°C to +8°C

to -20°C

to -30°C

General purpose refrigerators

O

Chromatography Refrigerators

O

pharmacy storage refrigerator

O

LOW TEMP. incubators

O O

General-purpose freezer

O O

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2.2 Construction

(1) Temperature recorder
(2) Door lock
(3) Door limit switch – when door is open during operation an alarm will sound and the

unit will automatically shut off blower.
(4) Shelf level adjustor
(5) Shelf
(6) Caster
(7) Chamber
(8) Door
(9) Door handle
(10) Controller
(11) Lamp switch & Fuse & Main switch Recorder
(12) Power cord
(13) Condensing air ventilation Hole

8

9

10

12

13

11

2

5

7

4

6

3

1

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3.0 Unit components

3.1 Unpacking and Inspecting.

(1) Check to see that the unit is not damaged before unpacking.
(2) Unpack the unit carefully.
(3) Inspect to see that the unit is not damaged during transportations.
(4) Check the unit components supplied after unpacking.
(5) If noticeable damage or an omission is found, immediately notify Cole-Parmer.

COMPONENT

QUANTITY

RECEIVED

Unit

1

Shelf

52412-00,-01,-02: 2ea
52412-03 through -11: 3ea
52412-12,-13,-14: 6ea

Shelf bracket

52412-00,-01,-02: 4ea
52412-03 through -11: 6ea

52412-12,-13: 12ea

User instruction

1

Power cord

1

Fuse

2