IEC 60379 : 3.0

METHODS FOR MEASURING THE PERFORMANCE OF ELECTRIC STORAGE WATER-HEATERS FOR HOUSEHOLD PURPOSES

International Electrotechnical Committee

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FOREWORD
PREFACE
SECTION ONE - GENERAL
Clause
1. Scope
2. Object
SECTION TWO - DEFINITIONS AND LETTER SYMBOLS
3. Terms used to designate appliances
    3.1 Storage water-heater
4. Terms used to classify appliances
    4.1 Unvented water-heater
    4.2 Cistern-fed water-heater
    4.3 Open outlet water-heater
    4.4 Vented water-heater
    4.5 Cistern type water-heater
5. Terms relating to characteristics of appliances
    5.1 Rated capacity
    5.2 Rated input
    5.3 Standing loss per 24 h
    5.4 Rated voltage
6. Symbols
SECTION THREE - GENERAL NOTES ON MEASUREMENTS
7. List of measurements
8. General conditions for measurements
9. Mounting of the water-heater
10. Measurement of stored water temperatures
11. Thermostat setting
12. Measurement of energy consumption
SECTION FOUR - METHODS OF MEASUREMENT
13. Verification of the rated capacity
14. Standing loss per 24 h
15. Hot water output
16. Reheating time
17. Mixing factor
18. Deviation from dial calibration
19. Cyclic temperature variation (differential)
FIGURES

Abstract

States and defines the principal performance characteristics of electric storage water-heaters which are of interest to the user and to describe the standard methods for measuring these characteristics. This standard is concerned neither with safety nor with performance requirements.