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EN 14825:2016

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Air conditioners, liquid chilling packages and heat pumps, with electrically driven compressors, for space heating and cooling - Testing and rating at part load conditions and calculation of seasonal performance
Superseded date

26-01-2019

Published date

23-03-2016

European foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols, abbreviated
   terms and units
4 Part load conditions in cooling mode
5 Part load conditions in heating mode
6 Calculation methods for SEER and SEER[on]
7 Calculation methods for seasonal space
   heating efficiency eta[s], SCOP, SCOP[on] and
   SCOP[net]
8 Test methods for testing capacities, EER[bin]
   and COP[bin] values during active mode at
   part load conditions
9 Test methods for electric power input
   during thermostat-off mode, standby mode
   and crankcase heater mode and off mode
10 Test report
11 Technical data sheet
Annex A (normative) - Applicable climate bin hours
        and hours for active mode, thermostatoff,
        standby, off mode and crankcase heater mode
        for air conditioners below and equal to 12 kW
Annex B (normative) - Applicable climate bin hours
        and hours for active, thermostat-off, standby, off
        and crankcase heater modes for space heaters, air
        to water and water/brine to water units, below
        or equal to 400kW
Annex C (normative) - Template for technical data sheet
Annex D (informative) - Adaption of water temperature
         for fixed capacity units
Annex E (informative) - Calculation example for
        SEER[on] and SEER - Application to a
        reversible air-to-air unit with variable capacity
Annex F (informative) - Calculation example for
        SCOP[on] and SCOP[net] - Application to a fixed
        capacity air-to-water heat pump used
        for floor heating
Annex G (informative) - Calculation example for
        SCOP[on] and SCOP[net] Application to a
        fixed capacity brine-to-water heat pump
        used for medium temperature application
Annex H (informative) - Compensation methods
        for air-to-water and water/brine-to-water units
Annex ZA (informative) - Relationship between
         this European Standard and the requirements
         of Commission Regulation (EU) No 206/2012
Annex ZB (informative) - Relationship between
         this European Standard and the requirements
         of Commission Regulation (EU) No 813/2013
         and Commission Delegated Regulation
         (EU) No 811/2013
Bibliography

This European Standard covers air conditioners, heat pumps and liquid chilling packages. It applies to factory made units defined in EN 14511-1, except single duct, double duct, control cabinet and close control units.This European Standard gives the temperatures and part load conditions and the calculation methods for the determination of seasonal energy efficiency SEER and SEERon, seasonal coefficient of performance SCOP, SCOPon and SCOPnet, and seasonal space heating energy efficiency s.Such calculation methods may be based on calculated or measured values.In case of measured values, this European Standard covers the test methods for determination of capacities, EER and COP values during active mode at part load conditions. It also covers test methods for electric power consumption during thermostat-off mode, standby mode, off-mode and crankcase heater mode.Note: The word unit is used instead of the full terms of the products.

Committee
CEN/TC 113
DevelopmentNote
Supersedes CEN/TS 14825. (04/2012)
DocumentType
Standard
PublisherName
Comite Europeen de Normalisation
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
UNI EN 14825:2016 Identical
UNE-EN 14825:2016 Identical
SN EN 14825 : 2016 Identical
NS EN 14825:2018 Identical
DIN EN 14825 E : 2016 Identical
NF EN 14825 : 2016 Identical
BS EN 14825:2016 Identical
ONORM EN 14825 : 2016 Identical
UNI EN 14825 : 2013 Identical
NS EN 14825 : 2016 Identical
UNI EN 14825:2019 Identical
I.S. EN 14825:2016 Identical
NEN-EN 14825:2018 Identical
NEN EN 14825 : 2016 Identical
PN EN 14825 : 2016 Identical
PN-EN 14825:2019 Identical
NBN EN 14825 : 2016 Identical
DIN EN 14825:2016-10 Identical

DIN EN 12309-4 E : 2015 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 4: TEST METHODS
EN 16905-4:2017 Gas-fired endothermic engine driven heat pumps - Part 4: Test methods
PREN 14511-3 : DRAFT 2015 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 3: TEST METHODS
12/30271395 DC : 0 BS EN 14511-1 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 1: TERMS AND DEFINITIONS
DIN EN 16905-3 E : 2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 3: TEST CONDITIONS
DIN EN 16905-5:2015-10 (Draft) GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 5: CALCULATION OF SEASONAL PERFORMANCES IN HEATING AND COOLING MODE
15/30328744 DC : 0 BS EN 14511-4 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 4: REQUIREMENTS
BS EN 15316-4-2:2017 Energy performance of buildings. Method for calculation of system energy requirements and system efficiencies Space heating generation systems, heat pump systems, Module M3-8-2, M8-8-2
PREN 15316-4-2 : DRAFT 2014 HEATING SYSTEMS AND WATER BASED COOLING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS
UNI EN 14511-1 : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 1: TERMS, DEFINITIONS AND CLASSIFICATION
I.S. EN 14511-1:2018 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 1: TERMS AND DEFINITIONS
UNE-EN 16905-1:2017 Gas-fired endothermic engine driven heat pumps - Part 1: Terms and definitions
EN 14511-1:2018 Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 1: Terms and definitions
UNI EN 14511-3 : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 3: TEST METHODS
EN 15316-4-2:2017/AC:2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS, MODULE M3-8-2, M8-8-2
UNE-EN 14511-1:2014 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 1: Terms, definitions and classification
I.S. EN 16905-5:2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 5: CALCULATION OF SEASONAL PERFORMANCES IN HEATING AND COOLING MODE
15/30326266 DC : 0 BS EN 16905-5 - GAS-FIRED ENDOTHERMIC ENGINE HEAT PUMPS - PART 5: CALCULATION OF SEASONAL PERFORMANCES IN HEATING AND COOLING MODE
UNI EN 14511-2 : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 2: TEST CONDITIONS
12/30261655 DC : DRAFT JULY 2012 BS EN 12309-4 - GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - TEST METHODS
DIN EN 14511-2:2015-12 (Draft) AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 2: TEST CONDITIONS
BS EN 16905-4:2017 Gas-fired endothermic engine driven heat pumps Test methods
ISO 13612-2:2014 Heating and cooling systems in buildings Method for calculation of the system performance and system design for heat pump systems Part 2: Energy calculation
15/30326263 DC : 0 BS EN 16905-1 - GAS-FIRED ENDOTHERMIC ENGINE HEAT PUMPS - PART 1: TERMS AND DEFINITIONS
EN 16798-13:2017 Energy performance of buildings - Ventilation for buildings - Part 13: Calculation of cooling systems (Module M4-8) - Generation
DIN EN 16905-5 E : 2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 5: CALCULATION OF SEASONAL PERFORMANCES IN HEATING AND COOLING MODE
I.S. EN 16905-3:2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 3: TEST CONDITIONS
DIN EN 14511-1:2015-12 (Draft) AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 1: TERMS, DEFINITIONS AND CLASSIFICATION
I.S. EN 16905-4:2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 4: TEST METHODS
BS EN 14511-4:2013 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Operating requirements, marking and instructions
DIN EN 14511-1 E : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 1: TERMS, DEFINITIONS AND CLASSIFICATION
DIN EN 16905-4:2015-10 (Draft) GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 4: TEST METHODS
DIN EN 14511-4:2013-12 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 4: OPERATING REQUIREMENTS, MARKING AND INSTRUCTIONS
DIN EN 14511-2:2013-12 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 2: TEST CONDITIONS
DIN EN 14511-3:2013-12 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 3: TEST METHODS
DIN EN 14511-1:2013-12 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 1: TERMS, DEFINITIONS AND CLASSIFICATION
VDI 4650-1 : 2016 COR 2017 CALCULATION OF THE SEASONAL COEFFICIENT OF PERFORMANCE OF HEAT PUMPS - ELECTRIC HEAT PUMPS FOR SPACE HEATING AND DOMESTIC HOT WATER
DIN EN 14511-4 E : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 4: OPERATING REQUIREMENTS, MARKING AND INSTRUCTIONS
BS EN 14511-3:2013 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Test methods
15/30326257 DC : 0 BS EN 16905-3 - GAS-FIRED ENDOTHERMIC ENGINE HEAT PUMPS - PART 3: TEST CONDITIONS
14/30309941 DC : 0 BS EN 15316-4-2 - HEATING SYSTEMS AND WATER BASED COOLING SYSTEMS IN BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS
12/30271398 DC : 0 BS EN 14511-2 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 2: TEST CONDITIONS
DIN EN 14511-3:2015-12 (Draft) AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 3: TEST METHODS
I.S. EN 14511-2:2018 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 2: TEST CONDITIONS
UNI EN 14511-4 : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 4: OPERATING REQUIREMENTS, MARKING AND INSTRUCTIONS
UNE-EN 14511-2:2014 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 2: Test conditions
EN 14511-2:2018 Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 2: Test conditions
BS EN 14511-1:2013 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling Terms, definitions and classification
UNE-EN 12309-4:2015 Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 4: Test methods
DIN EN 14511-2 E : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 2: TEST CONDITIONS
EN 14511-4:2018 Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors - Part 4: Requirements
UNE-EN 14511-3:2014 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 3: Test methods
PREN 14511-1 : DRAFT 2015 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS USING ELECTRICALLY DRIVEN COMPRESSORS - PART 1: TERMS AND DEFINITIONS
DIN EN 16905-1:2015-10 (Draft) GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 1: TERMS AND DEFINITIONS
15/30328747 DC : 0 BS EN 14511-2 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, USING ELECTRICALLY DRIVEN COMPRESSORS - PART 2: TEST CONDITIONS
BS EN 12309-4:2014 Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW Test methods
BS EN 16905-5:2017 Gas-fired endothermic engine driven heat pumps Calculation of seasonal performances in heating and cooling mode
BS ISO 13612-2:2014 Heating and cooling systems in buildings. Method for calculation of the system performance and system design for heat pump systems Energy calculation
BS EN 16905-3:2017 Gas-fired endothermic engine driven heat pumps Test conditions
12/30271401 DC : 0 BS EN 14511-4 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 4: REQUIREMENTS
15/30326260 DC : 0 BS EN 16905-4 - GAS-FIRED ENDOTHERMIC ENGINE HEAT PUMPS - PART 4: TEST METHODS
DIN EN 16905-1 E : 2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 1: TERMS AND DEFINITIONS
DIN EN 16905-4 E : 2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 4: TEST METHODS
15/30297485 DC : 0 BS EN 16798-13 - ENERGY PERFORMANCE OF BUILDINGS - PART 13: MODULE M4-8 - CALCULATION OF COOLING SYSTEMS - GENERATION
I.S. EN 14511-4:2018 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 4: REQUIREMENTS
S.R. CEN/TR 16798-14:2017 ENERGY PERFORMANCE OF BUILDINGS - VENTILATION FOR BUILDINGS - PART 14: INTERPRETATION OF THE REQUIREMENTS IN EN 16798-13 - CALCULATION OF COOLING SYSTEMS (MODULE M4-8) - GENERATION
I.S. EN 12309-4:2014 GAS-FIRED SORPTION APPLIANCES FOR HEATING AND/OR COOLING WITH A NET HEAT INPUT NOT EXCEEDING 70 KW - PART 4: TEST METHODS
UNE-EN 16905-5:2017 Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal performances in heating and cooling mode
UNE-EN 14511-4:2014 Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors for space heating and cooling - Part 4: Operating requirements, marking and instructions
BS EN 14511-2:2018 Air conditioners, liquid chilling packages and heat pumps for space heating and cooling and process chillers, with electrically driven compressors Test conditions
DIN EN 14511-3 E : 2013 AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 3: TEST METHODS
EN 12309-4:2014 Gas-fired sorption appliances for heating and/or cooling with a net heat input not exceeding 70 kW - Part 4: Test methods
EN 16905-1:2017 Gas-fired endothermic engine driven heat pumps - Part 1: Terms and definitions
EN 16905-3:2017 Gas-fired endothermic engine driven heat pumps - Part 3: Test conditions
EN 16905-5:2017 Gas-fired endothermic engine driven heat pumps - Part 5: Calculation of seasonal performances in heating and cooling mode
12/30271673 DC : 0 BS EN 14511-3 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 3: TEST METHODS
15/30328750 DC : 0 BS EN 14511-3 - AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS FOR SPACE HEATING AND COOLING AND PROCESS CHILLERS, WITH ELECTRICALLY DRIVEN COMPRESSORS - PART 3: TEST METHODS
DIN EN 16905-3:2015-10 (Draft) GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 3: TEST CONDITIONS
DIN EN 15316-4-2:2008-09 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS, MODULE M3-8-2, M8-8-2
BS EN 16905-1:2017 Gas-fired endothermic engine driven heat pumps Terms and definitions
I.S. EN 12102-1:2017 AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS, PROCESS CHILLERS AND DEHUMIDIFIERS WITH ELECTRICALLY DRIVEN COMPRESSORS - DETERMINATION OF THE SOUND POWER LEVEL - PART 1: AIR CONDITIONERS, LIQUID CHILLING PACKAGES, HEAT PUMPS FOR SPACE HEATING AND COOLING, DEHUMIDIFIERS AND PROCESS CHILLERS
UNE 100715-1:2014 Guide for the design, implementation and monitoring of a geothermal system. Part 1: Vertical closed circuit systems
DIN EN 14511-4:2015-12 (Draft) AIR CONDITIONERS, LIQUID CHILLING PACKAGES AND HEAT PUMPS WITH ELECTRICALLY DRIVEN COMPRESSORS FOR SPACE HEATING AND COOLING - PART 4: OPERATING REQUIREMENTS, MARKING AND INSTRUCTIONS
I.S. EN 16905-1:2017 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 1: TERMS AND DEFINITIONS
UNE-EN 16905-3:2017 Gas-fired endothermic engine driven heat pumps - Part 3: Test conditions
I.S. EN 16798-13:2017 ENERGY PERFORMANCE OF BUILDINGS - VENTILATION FOR BUILDINGS - PART 13: CALCULATION OF COOLING SYSTEMS (MODULE M4-8) - GENERATION
EN 12102-1:2017 Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 1: Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers
CEN/TR 16798-14:2017 Energy performance of buildings - Ventilation for buildings - Part 14: Interpretation of the requirements in EN 16798-13 - Calculation of cooling systems (Module M4-8) - Generation
I.S. EN 15316-4-2:2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS, MODULE M3-8-2, M8-8-2
I.S. EN 15316-4-2:2017+AC:2017 ENERGY PERFORMANCE OF BUILDINGS - METHOD FOR CALCULATION OF SYSTEM ENERGY REQUIREMENTS AND SYSTEM EFFICIENCIES - PART 4-2: SPACE HEATING GENERATION SYSTEMS, HEAT PUMP SYSTEMS, MODULE M3-8-2, M8-8-2
DIN EN 16905-3:2017-09 GAS-FIRED ENDOTHERMIC ENGINE DRIVEN HEAT PUMPS - PART 3: TEST CONDITIONS

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