Energy efficiency for gas fired and oil fired domestic heating and hot water systems
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Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems. Session 6: Identify requirements of the minimum standards for the insulation of pipework Relating to stand-alone glandless heating system circulators.

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Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems

Session 6:

Identify requirements of the minimum standards for the insulation of pipework

Relating to stand-alone glandless heating system circulators


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

By the end of the session the learner will be able to:

  • Identify the key requirements of the minimum standards for insulation of pipework for gas-fired and oil-fired wet central heating and hot water storage systems.

  • Relating to stand-alone glandless heating system circulators.

Session objectives and activities


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems Session 6 – Identify requirements of the minimum standards for the insulation of pipework

By the end of the session the learner will be able to:

  • Identify the key requirements of the minimum standards for insulation of pipework for gas-fired and oil-fired wet central heating and hot water storage systems

  • Relating to stand-alone glandless heating system circulators.

Session outcomes


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 –Identify requirements of the minimum standards for the insulation of pipework

Keywebsites

If you are unsure where to look for regulatory information and guidance, try one or more of the following websites:

  • UK government Planning Portal www.planningportal.gov.uk

  • Building and Engineering Services Association (B&ES) www.b-es.org/b-es-connections/technical/

  • Energy Saving Trust www.energysavingtrust.org.uk/organisations

  • Scottish and Northern Ireland Plumbing Employers’ Federation www.snipef.org/

  • Welsh Government www.wales.gov.uk/topics/planning

  • Chartered Institution of Building Services Engineering www.cibse.org

    Do not feel you must limit your search to these sites if

    you have ideas of others worth exploring.


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

Key web pages

You may have found a range of websites that contain relevant information.

Note the key websites in your course folder for future reference.

Tutor to add specific websites if felt helpful

Websites, regulations and standards are frequently updated so you may want to revisit websites and conduct further research in future to ensure you are always using the latest information.


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

Please work individually to complete the work sheet.

Answers are shown on the following slides.

Work sheet


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

Solutions

Question 1

For new systems, if secondary circulation is used, all pipes kept hot by that circulation must be insulated.

Question 2

Where the pipe diameter size is 22mm OD the permissible heat loss is 9.12 W/m.

Question 3

All pipes should be insulated to 1 metre from their point of connection to the hot water cylinder in new systems.


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

Solutions

Question 4

When installing a replacement oil boiler, you should insulate any pipe work exposed as a result of your work.

Question 5

Where insulation is labelled as complying with the Domestic Heating Compliance Guide it must not exceed the maximum permissible heat loss (W/m) level for pipework with outside diameter of: -

  • 10mm = 7.23 W/m

  • 15mm = 7.89 W/m

  • 22mm = 9.12 W/m

  • 28mm = 10.07 W/m


Energy efficiency for gas fired and oil fired domestic heating and hot water systems

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systemsSession 6 – Identify requirements of the minimum standards for the insulation of pipework

Solutions

Question 6

You will find additional guidance for insulation of heating and hot water pipework in unheated areas against freezing in:

BS 5422:2009 Method for specifying thermal insulating materials for pipes, vessels, ductwork and equipment operating within the temperature range -40°C to +700°C

BRE Report No 262 Thermal insulation: avoiding risks, 2002 edition


Energy efficiency for gas fired and oil fired domestic heating and hot water systems1

Energy efficiency for gas-fired and oil-fired domestic heating and hot water systems

Next session: B revision

During this session you will:

  • Be briefed on the end of course assessment

  • Revise topics covered throughout the course

  • Complete practice calculations

  • Have opportunities to ask about anything from the course you are unsure about


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