Welcome to NICEIC's Air Source Heat Pump (ASHP) Guide, which is aimed squarely at existing fossil fuel heating engineers in further developing their knowledge and understanding of ASHP technology and how heat pumps play an important part in decarbonising British homes.

The UK government has set ambitious targets for the widespread adoption of renewable technologies, with heat pump targets of circa 600,000 installations by 2028 and therefore, will need existing fossil fuel engineers to upskill to meet this goal.

NICEIC's ASHP Guide has been developed in line with its UKAS Accredited training/accreditation programme, covering the topics of design, installation, testing, commissioning, handover, servicing and fault finding (see Note).

Further information can be found at: www.shop.niceic.com/heat-pumps-installation-course

This Guide is specific to Air Source heat pumps:

           ·       with a maximum heat output of 45 kW,

           ·       supplied as a single unit (monobloc) by the manufacturer,

           ·       having a hermetically sealed refrigeration circuit not exceeding 6 kg in capacity, and

           ·       which uses an electrically driven vapour compression cycle,

           ·       with the heat pump connected either directly or via a secondary indoor unit to the hydronic (wet) low temperature hot water system,

           ·       having a maximum flow temperature of 55 °C,

           ·       to transfer low-grade energy via the vapour compression cycle to that of useful heat for heating domestic premises, including the domestic hot water (DHW) demand.

Note: A companion Guide is in development at the time of printing this ASHP Guide covering Ground Source & Water Source Heat Pumps (GSHP/WSHP).

NICEIC's ASHP Guide will provide the reader with a thorough understanding of heat pumps, including but not limited to:

·       the legislations involved with ASHP,

·       what a heat pump is and the physics involved in generating heat energy,

·       the important components of an ASHP and its vapour compression cycle,

·       modes of operation (monovalent and bivalent),

·       how heat pumps are used with hydronic systems (installation, commissioning, servicing & fault finding) including the importance of correctly designing LTHW systems*

*This Guide discusses wet central heating and DHW systems, but not the detailed design calculations that are required to correctly size the required hydronic circuits to obtain the required flow rates/heat requirement of the property. Readers are directed to avail themselves of CIBSE’s ‘Domestic Heating Design Guide’, which is invaluable reference source (along with manufacturers data) for the correct sizing of heat emitters, pipework, buffer vessels/hot water storage vessels, etc.

Visit: https://www.cibse.org/knowledge-research/knowledge-portal/domestic-heating-design-guide-2021

Features

Format | A4

Binding | Wiro binding in white

SAP | PNICHPSG23