Yamato Scientific LT500B Laboratory Stirrer User Manual

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Stirrer

Model LT400A/400B

Model LT400C/400D

Model LT500A/500B

Second edition

Thank you very much for purchasing this Yamato LT series stirrer.

Please read the “Operating Instructions” and “Warranty” before operating this unit to assure proper operation. After reading these documents, be sure to store them securely together with the “Warranty” at a handy place for future reference.

Warning:Before operating the unit, be sure to read carefully and fully understand important warnings in the operating instructions.

Yamato Scientific Co., Ltd.

 

Table of contents

1.

Safety precautions ........................................................................................................................

1

 

Explanation of pictograms ...............................................................................................................

1

 

List of symbols.................................................................................................................................

2

 

Warning Cautions .........................................................................................................................

3

2.

Before operating the unit..............................................................................................................

4

 

Precautions when installing the unit ................................................................................................

4

3.

Names and functions of parts ......................................................................................................

6

 

Main body........................................................................................................................................

6

4.

Operating procedures ...................................................................................................................

7

 

Preparation for operation operation ..............................................................................................

7

5.

Cautions on handling....................................................................................................................

8

6.

Maintenance procedures ..............................................................................................................

9

 

Daily inspection/maintenance..........................................................................................................

9

7.

When the unit is not to be used for a long time or when disposing .......................................

10

 

When the unit is not to be used for a long time or when disposing................................................

10

 

Notes about disposition .................................................................................................................

10

8.Troubleshooting ...........................................................................................................................

11

 

Safety device and error codes.......................................................................................................

11

 

When a malfunction is suspected..................................................................................................

11

9. After sales service and warranty................................................................................................

12

 

When requesting a repair ..............................................................................................................

12

10. Specifications ............................................................................................................................

13

11. Wiring diagram...........................................................................................................................

14

12. List of replacement parts ..........................................................................................................

14

13. List of dangerous materials......................................................................................................

15

14. Standard installation manual....................................................................................................

16

1. Safety precautions

Explanation of pictograms

About pictograms

A variety of pictograms are indicated in this operating instruction and on products to assure safe operation. Possible results from improper operation ignoring them are classified as follows.

Be sure to fully understand the descriptions below before proceeding to the text.

Warning

Caution

Indicates a situation which may result in death or serious injury (Note 1)

Indicates a situation which may result in minor injury (Note 2) and property damage (Note 3).

(Note 1) Serious injury means a wound, an electrical shock, a bone fracture or intoxication that may leave after effects or require hospitalization or outpatient visits for a long time.

(Note 2) Minor injury means a wound or an electrical shock that does not require hospitalization or outpatient visits for a long time.

(Note 3) Property damage means damage to facilities, devices and buildings or other properties.

Meanings of pictograms

This pictogram indicates a matter that encourages the user to adhere to warning (“caution” included).

Specific description of warning is indicated near this pictogram.

This pictogram indicates prohibitions

Specific prohibition is indicated near this pictogram.

This pictogram indicates matters that the user must perform.

Specific instruction is indicated near this pictogram.

1

1. Safety precautions

List of symbols

Warning

General warnings

Danger!:

Danger!:

Danger!:

Danger!: Hazard

High voltage

High temperature

Moving part

of explosion

 

Caution

General cautions

Electrical shock!

Burning!

Caution for no

Caution for water

liquid heating!

leak!

 

 

 

For water only

Poisonous

material

 

Prohibitions

General bans

Fire ban

Do not

Do not touch

disassemble

 

 

 

Compulsions

General

Connect ground

Install levelly

Pull out the power

Regular

compulsions

wire

plug

inspection

 

2

1. Safety precautions

Warning Cautions

Warning

Never operate the unit in an atmosphere containing flammable or explosive gas

Never operate the unit in an atmosphere containing flammable or explosive gas. Otherwise, an explosion or a fire may result since the unit is not explosion-proof. See section “13. List of dangerous materials” on page 15.

Be sure to connect the ground wire.

Be sure to connect the ground wire correctly. Otherwise, electrical leak may result and cause an electrical shock or a fire.

Ban on operation when an abnormality occurs

When a smoke or a unusual odor is seen or sensed, immediately turn the power of the main unit off and pull out the power plug. A fire or an electrical shock may result.

Never use electrical power cords bundled.

When these are used bundled, they might overheat causing a fire.

Take care not to damage electrical power cords.

Avoid tightly bend, pull with a strong force or twist to prevent electrical power cords from damaging. A fire or an electrical shock may result.

Never use an explosive or a flammable material with this unit.

Never use an explosive material, a flammable material or a material containing them. An explosion or an electrical shock may result.

See section “13. List of dangerous materials” on page 15.

Never try to disassemble or alter the unit.

Never try to disassemble or alter the unit. A malfunction, a fire or an electrical shock may result.

Caution

When a thunder is heard.

When a thunder is heard, turn the main power off immediately. A malfunction, fire or an electrical shock may result.

3

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