Commission Delegated Regulation (EU) 2019/2016Show full title

ANNEX IV U.K. Measurement methods and calculations

Modifications etc. (not altering text)

C1 Annexes 1-5 applied (with modifications) (31.12.2020) by The Ecodesign for Energy-Related Products and Energy Information (Amendment) (EU Exit) Regulations 2020 (S.I. 2020/1528), regs. 1(4), 31(1)-(3), Sch. 3

For the purposes of compliance and verification of compliance with the requirements of this Regulation, measurements and calculations shall be made using harmonised standards, or other reliable, accurate and reproducible methods, which takes into account the generally recognised state-of-the-art methods and are in line with the provisions set out below. The reference numbers of these harmonised standards have been published for this purpose in the Official Journal of the European Union:

1. General conditions for testing: U.K.

(a)

for refrigerating appliances with anti-condensation heaters that can be switched on and off by the end-user, the anti-condensation heaters shall be switched on and — if adjustable — set at maximum heating and included in the annual energy consumption (AE) as daily energy consumption (E_daily );

(b)

for refrigerating appliances with ambient controlled anti-condensation heaters, the ambient controlled electric anti-condensation heaters shall be switched off or otherwise disabled, where possible, during the measurement of energy consumption;

(c)

for refrigerating appliances with dispensers that can be switched on and off by the end-user, the dispensers shall be switched on during the energy consumption test but not operating;

(d)

for the measurement of energy consumption, variable temperature compartments shall operate at the lowest temperature that can be set by the end-user to continuously maintain the temperature range, as set out in Table 3, of the compartment type which has the lowest temperature;

(e)

for refrigerating appliances that can be connected to a network, the communication module shall be activated but there is no need to have a specific type of communication or data exchange or both during the energy consumption test. During the energy consumption test it has to be ensured that the unit is connected to a network;

(f)

for the performance of chill compartments:

(1)

for a variable temperature compartment rated as a fresh food and/or chill compartment, the energy efficiency index (EEI) shall be determined for each temperature condition and the highest value shall be applied;

(2)

a chill compartment shall be able to control its average temperature within a certain range without user-adjustments of its control, this can be verified during the energy consumption tests at 16 °C and 32 °C ambient temperature;

(g)

for adjustable volume compartments, when the volumes of two compartments are adjustable relative to one another by the end-user, the energy consumption and the volume shall be tested when the volume of the compartment with the higher target temperature is adjusted to its minimum volume;

(h)

the specific freezing capacity is calculated as 12 times the light load weight, divided by the freezing time to bring the temperature of the light load from +25 to - 18 °C at an ambient temperature of 25 °C expressed in kg/12h and rounded to one decimal place; the light load weight is 3,5 kg per 100 litre of the compartment volume of the frozen compartments, and shall be at least 2,0 kg;

(i)

for 4-star compartments, the specific freezing capacity shall be such that the freezing time to bring the temperature of the light load (3,5 kg/100 l) from +25 to - 18 °C at an ambient temperature of 25 °C, is smaller than or equal to 18,5 h;

(j)

for the determination of the climate classes, the acronym for the ambient temperature range, that is SN, N, ST or T:

(1)

the extended temperate (SN) has a temperature range from 10 °C to 32 °C;

(2)

the temperate (N) has a temperature range from 16 °C to 32 °C;

(3)

the subtropical (ST) has a temperature range from 16 °C to 38 °C; and

(4)

the tropical (T) has a temperature range from 16 °C to 43 °C.

2. Storage conditions and target temperatures per compartment type: U.K.

Table 3 sets out the storage conditions and target temperature per compartment type.

3. Determination of the AE: U.K.

(a)

For all refrigerating appliances, except for low noise refrigerating appliances:

The energy consumption shall be determined by testing at an ambient temperature of 16 °C and 32 °C.

To determine the energy consumption, the average air temperatures in each compartment shall be equal to or below the target temperatures specified in Table 3 for each compartment type claimed by the supplier. Values above and below target temperatures may be used to estimate the energy consumption at the target temperature for each relevant compartment by interpolation, as appropriate.

The main components of energy consumption to be determined are:

• a set of steady state power consumption values (P_ss ) in W and rounded to one decimal place, each at a specific ambient temperature and at a set of compartment temperatures, which are not necessarily the target temperatures;

• the representative incremental defrost and recovery energy consumption (ΔΕ_d-f), in Wh and rounded to one decimal place, for products with one or more auto-defrost systems (each with its own defrost control cycle) measured at an ambient temperature of 16 °C (ΔΕ_d-f16) and 32 °C (ΔΕ_d-f32);

• defrost interval (t_d-f ), expressed in h and rounded to three decimal places, for products with one or more defrost systems (each with its own defrost control cycle) measured at an ambient temperature of 16 °C (t_d-f16 ) and 32 °C (t_d-f32 ). t_d-f shall be determined for each system under a certain range of conditions;

• for each test performed the P_ss and ΔΕ^d-f are added together to form a daily energy consumption at a certain ambient temperature E_T = 0,001 × 24 × (P_ss + ΔΕ_d-f/t_d-f ), expressed in kWh/24h, specific to the settings applied;

• E_aux , expressed in kWh/a and rounded to three decimal places. E_aux is limited to the ambient controlled anti-condensation heater and is determined from the heater’s power consumption at a number of ambient temperature and humidity conditions, multiplied with the probability that this ambient temperature and humidity condition occurs and summed; this result is subsequently multiplied with a loss factor to account for heat leakage into the compartment and its subsequent removal by the refrigeration system.

  Table 3
  Storage conditions and target temperature per compartment type
  Notes
  a Tmin and Tmax are the average values measured over the test period (average over time and over a set of sensors).
  b The average temperature variation over the test period for each sensor shall be no more than ± 0,5 kelvin (K). During a defrost and recovery period the average of all sensors is not permitted to rise more than 1,5 K above the average value of the compartment.
  c Tmin and Tmax are instantaneous values during the test period.
  d Tmax is the maximum value measured over the test period (maximum over time and over a set of sensors).
  e If the compartment is of the auto-defrosting type, the temperature (defined as the maximum of all sensors) is not permitted to rise more than 3,0 K during a defrost and recovery period.
  f Tmin and Tmax are the average values measured over the test period (average over time for each sensor) and define the maximum allowed temperature operating range
  n.a.=not applicable
  Group	Compartment type	Note	Storage conditions		Tc
  			Tmin	Tmax
  Name	Name	no.	°C	°C	°C
  Unfrozen compartments	Pantry	a	+14	+20	+17
  	Wine storage	bf	+5	+20	+12
  	Cellar	a	+2	+14	+12
  	Fresh food	a	0	+8	+4
  Chill compartment	Chill	c	-3	+3	+2
  Frozen compartments	0-star & ice-making	d	n.a.	0	0
  	1-star	d	n.a.	-6	-6
  	2-star	de	n.a.	-12	-12
  	3-star	de	n.a.	-18	-18
  	freezer (4-star)	de	n.a.	-18	-18

  Each of these parameters shall be determined through a separate test or set of tests. Measurement data is averaged over a test period which is taken after the appliance has been in operation for a certain time. To improve the efficiency and accuracy of testing, the length of the test period shall not be fixed; it shall be such that the appliance is in steady state condition during this test period. This is validated by examining all data within this test period against a set of stability criteria and whether enough data could be collected in this steady state.

  AE, expressed in kWh/a and rounded to two decimal places, shall be calculated as follows:

  AE = 365 × E_daily /L + E_aux

  with

• the load factor L = 0,9 for refrigerating appliances with only frozen compartments and L = 1,0 for all other appliances; and

• with E_daily, expressed in kWh/24h and rounded to three decimal places calculated from E_T at an ambient temperature of 16 °C (E₁₆ ) and at an ambient temperature of 32 °C (E₃₂ ) as follows:

  E_daily = 0,5 × (E₁₆ + E₃₂ )

  where E₁₆ and E₃₂ are derived by interpolation of the energy test at the target temperatures set out in Table 3.

(b)

For low noise refrigerating appliances:

The energy consumption shall be determined as provided for in point 3(a), but at an ambient temperature of 25 °C instead of at 16 °C and 32 °C.

E_daily , expressed in kWh/24h and rounded to three decimal places for the calculation of the AE is then as follows:

E_daily = E₂₅

where E₂₅ is E_T at an ambient temperature of 25 °C and derived by interpolation of the energy tests at the target temperatures listed in Table 3.

4. Determination of the standard annual energy consumption (SAE): U.K.

(a)

For all refrigerating appliances:

SAE, expressed in kWh/a, and rounded to two decimal places, is calculated as follows:

[X1 SAE = C × D × Σ ⁿ _{c = 1} A _c × B _c × [V _c /V] × (N _c + V × r _c × M _c )]

where

• c is the index number for a compartment type ranging from 1 to n, with n the total number of compartment types;

• V_c , expressed in dm³ or litres and rounded to the first decimal place is the compartment volume;

• V, expressed in dm³ or litres and rounded to the nearest integer is the volume with ;

• r_c, N_c, M_c and C are modelling parameters specific to each compartment with values as set out in Table 4; and

• A_c, B_c and D are the compensation factors with values as set out in Table 5.

When carrying out the calculations above, for the variable temperature compartments, the compartment type with the lowest target temperature for which it is declared suitable is chosen.

(b)

Modelling parameters per compartment type for the calculation of SAE:

The modelling parameters are set out in Table 4.

Table 4
The values of the modelling parameters per compartment type
a rc = (Ta-Tc)/20; with Ta = 24 °C and Tc with values as set out in Table 3.
b C for combi appliances with 3-or 4-star compartments is determined as follows: where frzf is the 3- or 4-star compartment volume Vfr as a fraction of V with frzf = Vfr/V: if frzf ≤ 0,3 then C =1,3 + 0,87 × frzf; else if 0,3 < frzf < 0,7 then C =1,87 - 1,0275 × frzf; else C =1,15.
Compartment type	rc a	Nc	Mc	C
Pantry	0,35	75	0,12	between 1,15 and 1,56 for combi appliances with 3-or 4-star compartmentsb, 1,15 for other combi appliances, 1,0 for other refrigerating appliances
Wine storage	0,6
Cellar	0,6
Fresh food	1,0
Chill	1,1	138	0,12
0-star & ice-making	1,2	138	0,15
1-star	1,5
2-star	1,8
3-star	2,1
Freezer (4-star)	2,1

(c)

Compensation factors per compartment type in the calculation of SAE:

The compensation factors are set out in Table 5.

Table 5
The values of the compensation factors per compartment type
a number of external doors or compartments, whichever is lowest.
Compartment type	Ac		Bc		D
	Manual defrost	Auto-defrost	Freestanding appliance	Built-in appliance	≤ 2a	3a	4a	> 4a
Pantry	1,0		1,0	1,02	1,0	1,02	1,035	1,05
Wine storage
Cellar
Fresh food
Chill				1,03
0-star & ice-making	1,0	1,1		1,05
1-star
2-star
3-star
Freezer (4-star)

Editorial Information

X1 Substituted by Corrigendum to Commission Delegated Regulation (EU) 2019/2016 of 11 March 2019 supplementing Regulation (EU) 2017/1369 of the European Parliament and of the Council with regard to energy labelling of refrigerating appliances and repealing Commission Delegated Regulation (EU) No 1060/2010 (Official Journal of the European Union L 315 of 5 December 2019).

5. Determination of the EEI: U.K.

EEI, expressed in % and rounded to the first decimal place, calculated as:

EEI = AE/SAE.