Peak Scientific Precision Hydrogen SL Bedienungsanleitung

Precision Hydrogen SL

Service Manual

Page 2

Contents

Service Manual 1

Change History 3

How to use this Manual 3

Safety Notices 4

Symbols 4

Safety Notice to Users 4

Safely Isolated Condition 5

Safe State After Repair 5

Health and Safety Data 6

Deioniser Resin 6

Desiccant 8

Molecular Seive 10

Technical Speciﬁcation 12

Precision Hydrogen SL 12

Service Requirements 13

Service Schedule 13

Replacement Parts 13

Principle of Operation 14

Product Overview 15

Electrical Panel Layout 16

Circulation Pump Replacement 17

Cell Replacement 18

Load Pump Replacement 19

Deioniser Column Replacement 20

Replacement of Desiccant Column 21

Pneumatic Diagram 23

Electrical Diagram 24

Cleaning 29

Troubleshooting 30

Page 3

Change History

Rev Comment Name Date

How to use this Manual

This manual is intended for Field Service Engineers and technically competent end

users has been written as a reference document where you can skip to the relevant

information.

Users can refer to the contents page to ﬁnd the relevant information.

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.

WARNING

CAUTION

Page 4

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 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 maybe impaired.

Page 5

Safely Isolated Condition

Deﬁnition: The unit is in a Safely Isolated Condition when it is disconnected from its

application, fully de-pressurised and isolated from the Electrical Supply. Directions for

isolating the Generator are shown below.

Failure to place the Generator in a safely isolated condition when

instructed to do so may lead to personal injury or injury to others and

even death.

Isolating the Generator:

The generator may be restored to a depressurised state by pressing and holding the

front button for at least three seconds. This will cause the generator to cease hydrogen

production, illuminate the water tank blue, and exhaust any stored hydrogen through

the exhaust port at the rear of the generator.

At this point you may switch the generator o at its rear power switch.

Safe State After Repair

To guarantee the generator is in a safe state after a repair, please ensure the following

conditions are met;

• The electricity cable has been correctly reﬁtted.

The mains cable should be plugged into the IEC power inlet located on the rear

panel of the generator. This unit is classiﬁed as SAFETY CLASS 1. THIS UNIT MUST

BE EARTHED.

WARNING

Page 6

Health and Safety Data

Deioniser Resin

This sheet to be retained by the ‘Health & Safety Ocer’

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

Bag 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 7

First Aid

Skin Contact

Wash eected 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 8

Desiccant

This sheet to be retained by the ‘Health & Safety Ocer’

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 9

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.

Page 10

Molecular Seive

This sheet to be retained by the ‘Health & Safety Ocer’

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 white to tan molecular sieve.

Chemical Components

Quartz (SiO2) <10%, balance Zeolite.

Form Spheres

Flash Point N/A

Colour White to tan

Ignition Temperature N/A

Odour Odourless

Explosion Limits N/A

Decomposition Temperature N/A

Vapour Pressure @ 25 °C N/A

Viscosity @ 25°C N/A

Solubility in Water Insoluble

pH @ 25 °C N/A

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.

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