prEN IEC 63437:2025

SLOVENSKI STANDARD
01-maj-2025
Hladilni aparati za delovanje izven omrežja in pri nezanesljivem omrežju za
domačo in lahkotno komercialno uporabo - Značilnosti in preskusne metode -
Zahtevane lastnosti in poraba energije
Off grid and unreliable grid refrigerating appliances for domestic and light commercial
use - Characteristics and test methods - Performance requirements and energy
consumption
Appareils de réfrigération hors réseau et sur réseau peu fiable pour un usage
domestique et commercial léger - Caractéristiques et méthodes d'essai - Exigences
d'aptitude à la fonction et consommation d'énergie
Ta slovenski standard je istoveten z: prEN IEC 63437:2025
ICS:
97.040.30 Hladilni aparati za dom Domestic refrigerating
appliances
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

59M/182/CDV
COMMITTEE DRAFT FOR VOTE (CDV)
PROJECT NUMBER:
IEC 63437 ED1
DATE OF CIRCULATION: CLOSING DATE FOR VOTING:
2025-03-14 2025-06-06
SUPERSEDES DOCUMENTS:
59M/173/CD, 59M/177A/CC
IEC SC 59M : PERFORMANCE OF ELECTRICAL HOUSEHOLD AND SIMILAR COOLING AND FREEZING APPLIANCES
SECRETARIAT: SECRETARY:
Italy Ms Milena Presutto
OF INTEREST TO THE FOLLOWING COMMITTEES: HORIZONTAL FUNCTION(S):

ASPECTS CONCERNED:
Energy Efficiency,Environment
SUBMITTED FOR CENELEC PARALLEL VOTING NOT SUBMITTED FOR CENELEC PARALLEL VOTING
Attention IEC-CENELEC parallel voting
The attention of IEC National Committees, members of
CENELEC, is drawn to the fact that this Committee Draft for
Vote (CDV) is submitted for parallel voting.
The CENELEC members are invited to vote through the
CENELEC online voting system.
This document is still under study and subject to change. It should not be used for reference purposes.
Recipients of this document are invited to submit, with their comments, notification of any relevant patent rights of which t hey
are aware and to provide supporting documentation.
Recipients of this document are invited to submit, with their comments, notification of any relevant “In Some Countries” clau ses
to be included should this proposal proceed. Recipients are reminded that the CDV stage is the final stage for submitting ISC
clauses. (SEE AC/22/2007 OR NEW GUIDANCE DOC).

TITLE:
Off grid and unreliable grid refrigerating appliances for domestic and light commercial use -
Characteristics and test methods - Performance requirements and energy consumption

PROPOSED STABILITY DATE: 2028
NOTE FROM TC/SC OFFICERS:
The CDV of IEC 63437 Ed1 has been prepared by SC59M/WG6 Test standard for refrigerated appliances for use
with off grid or weak grid, under the convenorship of Mr Patrick Becks.

electronic file, to make a copy and to print out the content for the sole purpose of preparing National Committee positions. You
may not copy or "mirror" the file or printed version of the document, or any part of it, for any other purpose without permis sion
in writing from IEC.
59M/182/CDV - 2 - IEC CDV 63437 ED1 © IEC 2025
1 CONTENTS
3 FOREWORD . 8
4 INTRODUCTION . 10
5 1 Scope . 11
6 2 Terms and definitions . 14
7 2.1 General . 14
8 2.1.1 Refrigerating appliance . 14
9 2.1.2 Refrigerator . 14
10 2.1.3 Refrigerator-freezer . 14
11 2.1.4 Freezer . 14
12 2.1.5 Light commercial use . 14
13 2.1.6 Variable temperature compartment . 14
14 2.1.7 Continuous supply refrigerating appliance . 14
15 2.1.8 Solar direct drive (SDD) refrigerating appliance . 14
16 2.1.9 Battery supported solar refrigerating appliances . 15
17 2.1.10 Hybrid refrigerating appliance . 15
18 2.1.11 Intermittent supply refrigerating appliance . 15
19 2.1.12 Distorted supply refrigerating appliance . 15
20 2.1.13 Foodstuff . 15
21 2.1.14 Rated . 15
22 2.1.15 Auxiliary . 15
23 2.2 Unreliable grid supply . 15
24 2.2.1 Unreliable grid . 15
25 2.2.2 Intermittent grid . 15
26 2.2.3 Distorted grid . 15
27 2.2.4 Unreliable grid nominal test voltage . 15
28 2.2.5 Power outage . 16
29 2.2.6 Voltage sag . 16
30 2.2.7 Voltage surge . 16
31 2.2.8 Intermittent supply class . 16
32 2.2.9 Distorted supply class . 16
33 2.2.10 Withstand supply class . 16
34 2.2.11 Unreliable grid class protection code . 16
35 2.2.12 Voltage protector . 16
36 2.3 Off grid supply . 16
37 2.3.1 Off grid . 16
38 2.3.2 Off grid nominal test voltage . 16
39 2.3.3 Solar class. 17
40 2.3.4 Minimum supply time . 17
41 2.3.5 Functional supply . 17
42 2.4 Technical . 17
43 2.4.1 Thermal store . 17
44 2.4.2 Electrical battery . 17
45 2.4.3 Charging time . 17
46 2.4.4 Solar panel . 17

IEC CDV 63437 ED1 © IEC 2025 - 3 - 59M/182/CDV
47 2.4.5 Inverter . 17
48 2.4.6 Rectifier . 17
49 2.5 Compartments . 17
50 2.5.1 Compartment . 17
51 2.5.2 Unfrozen compartment . 18
52 2.5.3 Frozen compartment . 18
53 2.5.4 Fresh food compartment . 18
54 2.5.5 Sub cellar compartment . 18
55 2.5.6 Cellar compartment . 18
56 2.5.7 Pantry compartment . 18
57 2.5.8 Chill compartment . 18
58 2.5.9 Zero star compartment . 18
59 2.5.10 One star compartment . 18
60 2.5.11 Two star compartment . 18
61 2.5.12 Three star compartment . 18
62 2.5.13 Compartment volume . 18
63 2.5.14 Appliance volume . 19
64 2.5.15 Shelf . 19
65 2.5.16 Dummy shelf . 19
66 2.5.17 Water container . 19
67 2.5.18 M-Container . 19
68 2.5.19 Effective bottom . 19
69 2.6 Performance characteristics . 19
70 2.6.1 Starting current . 19
71 2.6.2 Pull down time . 19
72 2.6.3 Water cooling time . 19
73 2.6.4 Water freezing time . 19
74 2.6.5 Energy consumption . 19
75 2.6.6 High ambient storage and energy consumption . 19
76 2.6.7 Under voltage . 20
77 2.6.8 Over voltage . 20
78 2.6.9 Holdover time . 20
79 2.6.10 Ambient temperature . 20
80 2.6.11 Steady state condition . 20
81 3 Categorization of refrigerating appliances in scope . 21
82 4 Compartment storage temperature specifications . 22
83 4.1 Calculation of Tc_min, Tc_max and Tcm for refrigerating appliances with a
84 vertical door . 22
85 4.2 Calculation of Tc_min, Tc_max and Tcm for refrigerating appliances with a
86 horizontal door or lid . 23
87 5 Instruments, accuracy and precision of measurements . 25
88 5.1 General . 25
89 5.2 Electrical energy consumption . 25
90 5.3 Humidity . 25
91 5.4 Length . 25
92 5.5 Mass . 25
93 5.6 Temperature . 25
94 5.7 Time . 25
95 5.8 Voltage and frequency . 25

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