ДСТУ EN 14825:2023 Кондиціонери, рідинні холодильні агрегати та теплові насоси з компресорами з електричним приводом для опалення та охолодження приміщень. Випробування та визначення характеристик в умовах ча...

ПІДТВЕРДЖУВАЛЬНЕ ПОВІДОМЛЕННЯ

Державне підприємство
«Український науково-дослідний і навчальний центр
проблем стандартизації, сертифікації та якості»
(ДП «УкрНДНЦ»)

Наказ від 20.12.2023 № 348

EN 14825:2022

Airconditioners, liquid chilling packages and heat pumps, with electrically driven
compressors, for space heating and cooling, commercial and process cooling -
Testing and rating at part load conditions and calculation of seasonal performance

прийнято як національний стандарт
методом «підтвердження» за позначенням

ДСТУ EN 14825:2023
(EN 14825:2022, IDT)

Кондиціонери, рідинні холодильні агрегати та теплові насоси
з компресорами з електричним приводом для опалення та охолодження приміщень.
Випробування та визначення характеристик в умовах часткового навантаження
та розрахунок сезонних робочих характеристик

З наданням чинності від 2023-12-26

 
 
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions, symbols, abbreviated terms and units

3.1 Terms and definitions

3.2 Symbols, abbreviated terms and units

4 Part load conditions for space cooling

4.1 General

4.2 Air-to-air units

4.3 Water(brine)-to-air units

4.4 Air-to-water(brine) units

4.5 Water(brine)-to-water(brine) units

5 Calculation methods for seasonal space cooling efficiency η_s,c, SEER and SEER_on

5.1 General

5.2 Calculation of the seasonal space cooling efficiency η_s,c

5.3 General formula for calculation of SEER

5.4 Calculation of the reference annual cooling demand Q_C

5.5 Calculation of the reference annual energy consumption for space cooling Q_CE

5.6 Calculation of SEER_on  

5.7 Calculation procedure for determination of EER_bin values at part load conditions A, B, C and D

6 Part load conditions for space heating

6.1 General

6.2 Air-to-air units

6.3 Water(brine)-to-air-units

6.4 Air-to-water(brine) units

6.5 DX-to-water(brine) and water(brine)-to-water(brine) units

7 Calculation methods for seasonal space heating efficiency η_s,h, SCOP, SCOP_on and SCOP_net of heat pumps

7.1 General

7.2 Calculation of the seasonal space heating efficiency η_s,h

7.3 General formula for calculation of SCOP

7.4 Calculation of the reference annual heating demand Q_H

7.5 Calculation of the annual energy consumption for heating Q_HE  

7.6 Calculation of SCOP_on and SCOP_net

7.7 Calculation procedure for determination of COP_bin values at part load conditions A to G

7.8 Method for P_sup calculation

8 Test and calculation methods for hybrid units

8.1 General

8.2 Separated method

8.3 Combined test method

9 Part load conditions for process cooling

10 Calculation method for SEPR of process chillers and remote condenser process chillers

10.1 General formula for calculation of SEPR

10.2 Calculation procedure for determination of EER_bin values at part load conditions A, B, C, D

11 Test methods for testing capacities, EER_d and COP_d values during active mode at part load conditions

11.1 General

11.2 Refrigerant piping

11.3 Basic principles

11.4 Uncertainties of measurement

11.5 Test procedures for units with fixed capacity

11.6 Test procedure for staged and variable capacity units

12 Test methods for electric power input during thermostat-off mode, standby mode and crankcase heater mode and off mode

12.1 Uncertainties of measurement

12.2 Measurement of electric power input during thermostat-off mode

12.3 Measurement of the electric power input during standby mode

12.4 Measurement of the electric power input during crankcase heater mode

12.5 Measurement of the electric power input during off mode

13 Test report

14 Testing and rating of individual indoor units

Annex A (informative) Applicable climate bins and hours for air conditioners with rated capacity of ≤ 12 kW for cooling, or heating if the product has no cooling function

Annex B (informative) Applicable climate bins and hours for air/water(brine)/DX-to-water(brine) heat pumps with a rated heat output ≤ 400 kW

Annex C (informative) Applicable climate bins and hours for process chillers

Annex D (informative) Applicable climate bins and hours for air-to-air units > 12 kW, water(brine)-to-air units and comfort chillers

Annex E (informative) Determination of water(brine) temperature for fixed capacity units with variable outlet temperature

Annex F (informative) Calculation example for SEER on and SEER - Application to a reversible air-to-air unit with variable capacity

Annex G (informative) Calculation example for SCOP_on and SCOP_net - Application to a fixed capacity air-to-water(brine) heat pump used for low temperature application

Annex H (informative) Calculation example for SCOP_on and SCOP_net - Application to a fixed capacity brine-to-water(brine) heat pump used for medium temperature application

Annex I (informative) Calculation examples for SCOP_on for hybrid units  

Annex J (informative) Calculation example for SEPR - Application to a process chiller with staged capacity

Annex K (informative) Compensation methods for air-to-water(brine) and water(brine)-to-water(brine) units

Annex L (normative) Rating of outdoor units of multi-split air conditioners and heat pumps

Annex M (normative) Testing and rating of individual indoor units

Annex ZA (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 206/2012 aimed to be covered

Annex ZB (informative) Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 626/2011 aimed to be covered

Annex ZC (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) No 813/2013 aimed to be covered

Annex ZD (informative) Relationship between this European Standard and the energy labelling requirements of Commission Delegated Regulation (EU) No 811/2013 aimed to be covered

Annex ZE (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2015/1095 aimed to be covered

Annex ZF (informative) Relationship between this European Standard and the ecodesign requirements of Commission Regulation (EU) 2016/2281 aimed to be covered

Bibliography