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Pages: 137 pages
Size: 71 MB
Author (s): BPEC
The material and information contained in this learning manual is for the purpose of study and reference only which may lead to gaining a recognised gas qualification.
Anyone working on Gas Appliances has to be qualified and registered with the appropriate Gas scheme provider e.g. in the UK this would be Gas Safe.
This short programme is not designed to turn you into an electrician, but to enhance the skills and knowledge you require to install the electrical circuits associated with gas and plumbing appliances and to maintain and repair modern gas appliances. lt has been designed with plumbing and heating engineers in mind and is limited to work that will NOT involve working on the fixed installation of the property and addresses the following scope of work.
The scope of electrical works is explicitly defined in order to provide clear and unambiguous guidance on the electrical works associated with plumbing systems. All other electrical work is outside the range of competences for plumbing and heating operatives.
Where you have any doubt about the electrical work to be undertaken it is recommended that such work be referred to a competent Electrotechnical operative, e.g. a qualified electrician.
- The electrical works will Only be associated with domestic/small commercial installations.
A domestic installation can be defined as residential premises occupied wholly and exclusively by the residents. A small installation can Oe defined as a small commercial or light industrial unit, with non-complex plumbing systems, and with a heating system up to 60 KW heat input. In respect of the plumbing systems and components and the associated electrical works, it is only within the context of a domestic/small installation that these works should be undertaken. With respect to the systems and components listed below, their installation would be considered within the scope of a competent plumber only if installed in a domestic/small installation. The same, or similar, systems or components installed in any installation other than a domestic/small installation would be outside your scope of competence, since the variety of electrical hazards and risks to which you may be exposed would require a significantly higher level of training and competence.
- The electrical works will Only involve single phase electrical wiring systems
With the scope of electrical works associated with domestic/small plumbing installations, you will be provided with the level of competence required to ensure you are not exposed to the unnecessary hazards and risks associated with multi-phase electrical supplies. You will of course be required to assess the supply intake position of the installation to ensure the supply source is single phase.
- The electrical works will Only connect to the fixed installation.
You will need to be provided with e suitable and sufficient connection point to the fixed electrical installation, that is suitable for the plumbing system Cr components except in the case of like for like replacement of components/appliances. In respect of the installation of new or the upgrading of components or appliances, the suitability of a connection point will need to be confirmed to you, in writing, by a competent Electrotechnical operative. e.g. a qualified electrician. This written confirmation will confirm that the connection point is in compliance with the current edition of BS 7671 and is suitable for the intended loading.
- The electrical works will Not involve work associated with the fixed electrical installation.
The inherent electrical hazards and risks, and associated technical knowledge required to modify or install electrical works related to the fixed electrical installation would require a much more extensive training programme to a much higher level of competence than this course is intended.
However, you will need to understand how to isolate circuits using isolation devices forming part of the fixed electrical installation.
In particular electrical work in rooms containing a fixed bath or shower will be explicitly excluded except in the case of like for like replacement of components/appliances. Where you are involved in the replacement of a "like for like" component in a room containing a fixed Oath or shower, you will be required to recognise where the supplementary bonding may not comply with the current requirements of BS 7671 . if this non-compliance is identified then you will need to provide the Client with written confirmation that the Client should contact a competent Electrotechnical operative, eg. a qualified electrician, to check the supplementary bonding arrangements to ensure compliance with BS 7671 .
- The electrical works will Only be associated with the installation and connection of plumbing or heating systems and components, typically those listed below:
Central heating systems and associated controls.
Single and dual immersion heater elements.
Instantaneous water heaters.
Single point instantaneous water heaters.
Waste disposal units.
- The electrical inspection, testing and commissioning of the above systems and components.
The requirements for inspection, testing and commissioning will be limited to the above systems and components and their connection to a domestic/small fixed installation. Inherent in these processes will be a requirement for you to obtain the necessary written confirmation of the electrical suitability of the domestic/small fixed installation circuitry in relation to the particular system and component connection except in the case of like for like replacement of components/appliances.
Electrical work outside this scope should be referred to a competent Electrotechnical operative, eg. qualified electrician.
- The electrical works associated with fault diagnosis and rectification.
Electrical fault diagnosis and rectification should wherever necessary be undertaken with the systems and components made dead.
There will however be occasions where live working will be required in some processes of fault diagnosis.
The process of fault diagnosis and rectification will follow systematic procedures and, where relevant will be in accordance with manufacturers' instructions. Fault rectification will involve replacement of like for like components only and will NOT involve "Live Working", i.e. carrying out installation work whilst the circuit is live.
- The electrical works associated with temporary and permanent bonding of exposed and extraneous parts.
You will require the appropriate level of competence to ensure the correct application of temporary bonding and the ability to recognize the requirement and application for permanent supplementary bonding, often called cross bonding, of exposed and extraneous parts, particularly in rooms containing a fixed bath or shower, in accordance with the requirements of BS 7671.
The training material is presented es a series of modules which can be studied individually or in their entirety.
The material has been developed to support delivery in approved training centres and the course contains a significant element of practical work.
Whilst there are no specific entry requirements for this course, you should be recognised as e plumber or heating engineer or hold recognised qualifications and you should loe physically able to undertake the work required.
It is recommended that you are screened for col our vision defects prior to undertaking this training programme.
1. Basic electrical principles and theory
2. Electrical supply and distribution
3. Legislation and Regulations
4. Treatment for electric shock
5. Basic domestic electrical installation theory:
-Earthing and Earth Continuity
-Earthing and Bonding
-Types of domestic electrical earthing system
-Safety requirements when working on electrical systems
-Identifying electrical equipment
-Electrical materials and basic fixing components
6. Common electrical components used in domestic heating and hot water systems
7. How central heating system wiring and components come together
8. Fault finding