DIN EN 16905-4 E : 2017

National foreword
European foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Test methods
5 Heat recovery test for air-cooled multisplit systems
6 Test report
Annex A (normative) - Calorimeter test method
Annex B (normative) - Indoor air enthalpy test method
Annex C (normative) - Symbols and units used in
        Annex A and B
Annex D (normative) - Water enthalpy test method
Annex E (normative) - Direct method for air-to-water
        (brine) and water (brine)-to-water (brine)
        appliances
Annex F (informative) - Measurement control criteria
        for water (brine) to water (brine) appliances
Annex G (normative) - Determination of the pump
        efficiency
Annex H (informative) - Calculation procedure for
        determination of GUE, AEF and Cd
        values
Annex I (informative) - 'Individual' correction to
        include in the 'global' electrical power
        input correction depending on the GEHP
        appliance
Annex J (informative) - Heating capacity tests - Flow
        chart and examples of different test
        sequences
Annex K (informative) - Rating of indoor and outdoor
        units of multisplit and modular heat recovery
        multisplit system
Annex L (informative) - Air flow measurement
Annex ZA (informative) - Relationship between this
         European Standard and the ecodesign
         requirements of Commission Regulation
         (EU) No 813/2013 aimed to be covered
Annex ZB (informative) - Relationship between this
         European Standard and the energy
         labelling requirements of Commission
         Delegated Regulation (EU) No 811/2013
         aimed to be covered
Bibliography

Defines the requirements, test methods and test conditions for the rating and performance calculation of air conditioners and heat pumps using either air, water or brine as heat transfer media, with gas-fired endothermic engine driven compressors when used for space heating, cooling and refrigeration, hereafter referred to as 'GEHP appliance'.