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prEN 16905-3

Gas-fired endothermic engine driven heat pumps - Part 3: Test conditions

General information

Draft
Base Documents
prEN 16905-3
Directives or regulations
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Standard history

Status
Date
Type
Name
Main
prEN 16905-3
04.04.2017
Main
1.1  Scope of EN 16905 series
This European Standard 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 European Standard is to be used in conjunction with:
a)  the terms and definitions, EN 16905-1:202x;
b)  the safety, EN 16905-2:202x;
c)  the requirements, test conditions and test methods, EN 16905-4:202x;
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 European Standard only applies to appliances with a maximum heat input (based on net calorific value) not exceeding 70 kW at standard rating conditions.
This European Standard 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 European Standard 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 European Standard applies to appliances only when used for space heating or space cooling or for refrigeration, with or without heat recovery.
This European Standard 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.

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