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Description of BS EN 16905-3:2024 20241.1 Scope of EN 16905 series This series specifies the requirements, test methods and test conditions for the rating and performance calculation of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery, to be used outdoor. This series is used in conjunction with: a) the terms and definitions, EN 16905 1:2023; b) the safety, EN 16905 2:—1; c) the requirements, test conditions and test methods, EN 16905 4:—2; d) the calculation of seasonal performances in heating and cooling mode, EN 16905‐5:2022; e) the heat pump standards, EN 14511‐2:2022, EN 14511 3:2022 and EN 14825:2022. This series only applies to appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions. This series only applies to appliances under categories I2H, I2E, I2Er, I2R, I2E(S)B, I2L, I2LL, I2ELL, I2E(R)B, I2ESi, I2E(R), I3P, I3B, I3B/P, II2H3+, II2Er3+, II2H3B/P, II2L3B/P, II2E3B/P, II2ELL3B/P, II2L3P, II2H3P, II2E3P and II2Er3P according to EN 437:2021. This series only applies to appliances having: a) gas-fired endothermic engines under the control of fully automatic control systems; b) closed-system refrigerant circuits in which the refrigerant does not come into direct contact with the fluid to be cooled or heated; c) where the temperature of the heat transfer fluid of the heating system (heating water circuit) does not exceed 105 °C during normal operation; d) where the maximum operating pressure in the 1) heating water circuit (if installed) does not exceed 6 bar; 2) domestic hot water circuit (if installed) does not exceed 10 bar. This series applies to appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery. This series is applicable to appliances that are intended to be type tested. Requirements for appliances that are not type tested would need to be subject to further consideration. 1.2 Scope of EN 16905 3 This part of the EN 16905 series specifies the test conditions for the rating of energy parameters of gas-fired endothermic engine driven heat pumps for heating and/or cooling mode including the engine heat recovery.
About BSIBSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses. |
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