Peak Scientific Precision Hydrogen SL Manuale utente

Precision Hydrogen SL (All Models)

User Manual

Contents

Change History 3

How to use this Manual 3

Safety Notices 4

Attention - Important Notice to All Users 5

General Safety 6

Generator Safety Features 6

Health and Safety Data 7

De-ionizer Resin 7

Desiccant 9

Molecular Seive 11

EU Declaration of Conformity 13

UK Declaration of Conformity 14

CSA Compliance Statement 15

WEEE Compliance Statement 16

Warranties and Liabilities 17

Technical Speciﬁcation 18

Introduction 19

Principle of Operation 20

Unpacking 21

Fittings Kit Contents 22

Installation 23

Location 23

Generator Overview 24

General Dimensions 24

Unit Controls 25

Rear Connections 25

Tubing 26

H2 Ventilation 26

Water Quality 26

Manual Water Tank Filling 27

Automatic Filling (Automatic Fill Upgrade units only) 28

Pressurized Filling (Automatic Fill Upgrade units only) 29

Inline Water Filter Cleaning (Automatic Fill Upgrade units only) 29

Water Usage 30

Electrical Connection 31

Start-up Sequence 32

Liquid Leak Detectors 32

Gas Traps 32

Switching the Unit O 33

Cleaning 33

De-ionizer cartridge Replacement 34

Replacement of Desiccant Capsule 35

Service Requirements 37

Service Schedule 37

Service Plans 37

General Troubleshooting 38

Overview of LED Colour States 38

Debugging by LED 39

Page 2

Page 3

Change History

Rev Comment Name Date

1Initial Release L. Couttie 10/04/2020

2Product Updates L. Couttie 20/01/2021

3 Product Updates L. Couttie 10/03/2021

4Product Updates L. Couttie 26/03/2021

5Flow Rate Update C Denholm 07/10/2021

6Declarations Update L. Couttie 13/12/2021

7 Dryer Cap Removal Tool Added L. Couttie 05/05/2022

How to use this Manual

This manual is intended for end users and has been written so that it can either be read

as a step by step guide to installation and usage or as a reference document where you

can skip to the relevant information.

Users of a hard copy version can refer to the contents page to find the relevant

information. Users of the soft copy version can use the hyperlinks from the contents

page as well as the hyperlinks between sections.

Please review each of the following sections carefully.

Thank you for selecting Peak Scientific to meet your gas generation needs, and should

you require any further assistance or support please do not hesitate to contact Peak

Scientific or the Peak Partner from which you purchased your Generator.

Page 4

WARNING

CAUTION

WARNING

Safety Notices

Peak Scientific Instruments cannot anticipate every possible circumstance which may

represent a potential hazard. The warnings detailed within this manual refer to the most

likely potential hazards, but by definition cannot be all inclusive. If the user employs an

operating procedure, item of equipment or a method of working which is not specifically

recommended by Peak Scientific, the user must ensure that the equipment will not be

damaged or become hazardous to persons or property.

Symbols

This manual uses the following symbols to highlight specific areas important to the safe

and proper use of the Generator

A WARNING notice denotes a hazard. It calls attention to an operating procedure,

process or similar, which if not correctly performed or adhered to, could cause

personal injury or in the worst case death. Do not proceed beyond a WARNING

notice until the indicated conditions are fully understood or met.

A CAUTION notice denotes a hazard. It calls attention to an operating procedure,

process or similar, which if not correctly performed or adhered to, could cause

damage to the generator or the application. Do not proceed beyond a CAUTION

notice until the indicated conditions are fully understood or met.

Caution, risk of electric shock. Ensure power to the generator has been removed

before proceeding.

Safety Notice to Users

These instructions must be read thoroughly and understood before

installation and operation of your Peak Precision Hydrogen Generator.

Use of the generator in a manner not specified by Peak Scientific MAY

impair the SAFETY provided by the equipment.

When handling, operating or carrying out any maintenance, personnel

must employ safe engineering practices and observe all relevant local

health and safety requirements and regulations. The attention of UK

users is drawn to the Health and Safety at Work Act 1974, and the

Institute of Electrical Engineers regulations.

If the equipment is used in a manner not specified by the manufacturer,

the protection provided by the equipment may be impaired.

Page 5

Attention - Important Notice to All Users

These instructions must be read thoroughly, section by section and

understood before installation and operation of your Peak Scientific

Hydrogen Generator. Please follow the appropriate safety standards for

handling hydrogen gas and other gases as determined by the laws and

regulations of your country.

Generator is for indoor use only.

Please save the product packaging for storage or future shipment of the generator.

1. For your own personal safety and to prevent accidental damage to your generator

please ensure that you read and understand our User Manual.

2. Do not store away the generator when not in operation. External water bottles must

be made of a dark coloured glass or Nalgene in order to prevent biological growth

(available from Peak Scientific). It is recommended that you check the water quality

weekly to prevent biological growth developing in the tank and tubing. Failure to

do this will greatly reduce the life of the generator and render the 2 year generator

warranty void.

3. If you are using a manual fill system, the tank cap must be replaced after filling the

tank with water.

4. If your system requires an external tank, do not place the external water bottle above

the height of the generator. The bottle may be placed at the same level or below the

generator.

5. Use ASTM Type I or Type II water only. (<1 µS/cm conductivity / >1 MΩ-cm resistivity).

Failure to use the correct quality water will invalidate the cell and system warranty.

6. Failure to maintain the de-ionizer cartridge as recommended will reduce the

operational life of your generator and render its 2 year generator warranty void.

7. Do not attach any additional tanks or gas cylinders to your generator without first

consulting Peak Scientific.

8. Ensure your entire installation, both pipe work and analysers, are completely gas

tight. Even minor leaks will affect the operation of your generator and can reduce

its operational life.

9. Check that the output capacity of your generator meets the total gas requirements

of your application. If in doubt, consult your dealer or Peak Scientific.

10. Ensure the ambient temperature inside your laboratory does not rise above

35°C/95°F. Extremes of operating temperature will reduce cell life.

WARNING

Page 6

General Safety

The generator produces gas when the application places a demand on the unit. The

maximum quantity of hydrogen stored in the generator at any one time is 175ml

at a pressure of 7.6bar (110psi). The unit also meets the European Electromagnetic

Compatibility and Low Voltage Directives. The Generator is CE approved and has the

CE mark attached.

All of the Precision Hydrogen Series generators have the necessary control circuitry,

both hardware and software, to ensure the shutdown of the instrument in the event of a

fault or faults occurring.

The rear section of the generator should only be opened by trained

personnel in line with maintenance instructions.

Generator Safety Features

The Precision Hydrogen range have the following safety features to ensure safe and

reliable operation:

• Overpressure switch.

• Safe and accurate control of pressure.

• Internal leak detection.

• Cell shut down in critical alarm status.

• Critical water level detection.

• Internal water overflow prevention.

Page 7

Health and Safety Data

De-ionizer Resin

This sheet to be retained by the ‘Health & Safety Officer’

The recipient of this Health & Safety Data sheet is required to ensure that all personnel

handling, using or likely to come into contact with the material are made aware of the

Health & Safety information contained herein.

General Description

Cylinder containing ion exchange resin. 60% Cation and 40% Anion by mass.

Chemical Components

Polystyrene divinylbenzene cation and ion exchange resin.

Form Solid beads

Flash Point N/A

Colour Ta n

Ignition Temperature 427 °C (Estimated)

Odour None

Explosion Limits N/A

Decomposition Temperature Over 220 °C

Vapour Pressure @ 25 °C 17mm CFH @ 20 °C (Water)

Viscosity @ 25°C N/A

Solubility in Water Negligible

Speciﬁc Gravity @ 25°C 1.1-1.3

pH @ 25 °C 7-9.5 in aqueous slurry

Eye Protection Safety Glasses (BS2092C)

Storage Store in a cool place above 0 °C, out of direct sunlight

Fire & Explosion Hazards Toxic combustion products may include sulphur dioxide

and sulphur trioxide

Disposal This product can be disposed as ordinary waste if local

regulations permit

Emergency & First Aid Procedures

Spillages

Floor may be slippery. Use care to avoid falls. Wear protective glasses.

Sweep up and transfer to containers for recovery and disposal.

Extinguishing Media

Carbon Dioxide (CO2), Water Fog and Dry Powder.

Fire Fighting and Protection

Wear HSE approved, pressure demand, self-contained breathing apparatus or equivalent.

Page 8

First Aid

Skin Contact

Wash effected areas with soap and water. Consult doctor if irritation persists.

Eye Contact

Product can cause severe eye irritation. Flush eyes with large amounts of water for at

least 15 minutes. Consult a doctor if irritation persists.

Inhalation

This product should present no hazard if operated under normal conditions. If irritation

persists, move patient to fresh air.

Ingestion

If resin has been confined to the mouth, administer 250 ml. of water as a mouthwash.

Avoid swallowing. This product is considered non-hazardous if ingested in small

amounts; however, it is advisable to seek medical advice.

Toxicological Data

No toxicity data available on this product

Occupation exposure limits

STEL/TLV = None established.

Incompatible Materials (to avoid hazardous reactions)

Avoid contact with concentrated nitric acid and any other strong oxidising agents at all

times.

Page 9

Desiccant

This sheet to be retained by the ‘Health & Safety Officer’

The recipient of this Health & Safety Data sheet is required to ensure that all personnel

handling, using or likely to come into contact with the material are made aware of the

Health & Safety information contained herein.

General Description

Column containing orange to green indicating silica gel.

Chemical Components

Amorphous silica 98.2%, activated colouring agent 0.2% max.

Form Beads

Flash Point N/A

Colour Dry: yellow/orange Saturated: Green

Ignition Temperature >1000 °C

Odour Odourless

Explosion Limits N/A

Decomposition Temperature Over 155 °C

Vapour Pressure @ 25 °C 17mm CFH @ 20 °C (Water)

Viscosity @ 25°C N/A

Solubility in Water less 1.0% in weight

pH @ 25 °C 2-10 at 5% w/w in water

Eye Protection Safety Glasses (BS2092C)

Storage All containers must be closed air tight and kept in a dry

place.

Fire & Explosion Hazards N/A

Disposal This product can be disposed as ordinary waste if local

regulations permit.

Emergency & First Aid Procedures

Spillages

Contain spillage. Collect in suitable containers for recovery or disposal. During collection

avoid creating dust.

Extinguishing Media

N/A. Inorganic compound. Not combustible.

Fire Fighting and Protection

Wear HSE approved, pressure demand, self-contained breathing apparatus or

equivalent.

Page 10

First Aid

Skin Contact

Wash spillage from skin with soap and water.

Eye Contact

Wash immediately with copious amounts of water and obtain medical attention.

Inhalation

Remove from source of exposure.

Ingestion

Wash out mouth with water. If large amount swallowed or symptoms develop obtain

medical attention.

Toxicological Data

The lethal dose for humans for synthetic amorphous silica is estimated at over 15,000

mg/kg

Occupation exposure limits

DNEL/PNEC < 1 = No immediate concern.

Incompatible Materials (to avoid hazardous reactions)

None known.

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