1、 IEC 62999 Edition 1.0 2016-02 INTERNATIONAL STANDARD NORME INTERNATIONALE Electric room heating Underfloor heating Performance characteristics Definitions, method of testing, sizing and formula symbols Chauffage lectrique de locaux Chauffage par le sol Caractristiques de performance Dfinitions, mth
2、ode dessai, calibrage et symboles de formule IEC 62999:2016-02(en-fr) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2016 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or
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20、efinitions, method of testing, sizing and formula symbols Chauffage lectrique de locaux Chauffage par le sol Caractristiques de performance Dfinitions, mthode dessai, calibrage et symboles de formule INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS 97.100.10 I
21、SBN 978-2-8322-3213-2 Registered trademark of the International Electrotechnical Commission Marque dpose de la Commission Electrotechnique Internationale Warning! Make sure that you obtained this publication from an authorized distributor. Attention! Veuillez vous assurer que vous avez obtenu cette
22、publication via un distributeur agr. 2 IEC 62999:2016 IEC 2016 CONTENTS FOREWORD 6 1 Scope .8 2 Normative references 8 3 Terms and definitions 8 4 Method of testing for the determination of characteristics of performance . 16 4.1 General 16 4.2 Standard heating load per unit area . 16 4.3 Maximum po
23、wer rating per unit area 16 4.4 Maximum surface temperature 17 4.5 Maximum floor surface temperature for underfloor storage heating 18 4.6 Room air temperature . 19 4.7 Internal surface temperatures on the surrounding surfaces of the room 20 4.8 Thermal pre-conditioning of the room to be tested . 20
24、 4.9 Floor temperature in the case of continuous local hot spots . 21 4.10 Floor temperature of underfloor storage heating through failure of a switching, controlling or regulation apparatus 23 4.11 Floor temperature of controlled underfloor heating and underfloor direct heating through failure of a
25、 switching, controlling or regulation apparatus 23 4.12 Regulation of room temperature using peripheral areas for underfloor storage heating . 23 4.13 Regulation of room temperature using controlled underfloor heating and underfloor direct heating . 23 4.14 Regulation of room temperature using under
26、floor warming . 24 4.15 Relationship of coefficients of heat transfer . 24 4.16 Insulating layers 24 4.17 Edging insulation strips . 25 4.18 Damp-proofing 25 4.19 Electrical auxiliary heating 26 4.20 Load distribution layer in electrical underfloor heating . 26 4.21 Bedding in or under heating scree
27、d or directly below floor covering . 26 4.22 Dry laying of electrical heating elements 26 4.23 Heating element 26 4.24 Heating cable and laminar heating element . 26 4.24.1 Heating cable for bedding in or under screeding or directly below floor covering. 26 4.24.2 Heating cable for dry laying 26 4.2
28、4.3 Laminar heating elements for installation below or in screeding 27 4.25 Characteristics of heating cables . 27 4.26 Characteristics of laminar heating elements 27 4.27 Cold tails 27 4.28 Point of connection . 27 4.29 Bending radius of the heating cable . 27 4.30 Heating element labelling 27 4.31
29、 Pulsation factor . 27 4.32 Installation of heating elements for underfloor direct heating 28 4.33 Adhesive and fixing material 28 4.34 Permanent installation areas . 28 IEC 62999:2016 IEC 2016 3 4.35 Pre-heating of screeding . 28 4.36 Floor coverings . 28 4.37 Control and regulation equipment 28 4.
30、38 Control and regulation equipment for underfloor storage heating . 28 4.39 Control and regulation equipment for controlled underfloor heating and underfloor direct heating . 28 4.40 Floor temperature measurement 29 4.41 Auxiliary supply period 29 4.42 Period of room use 29 4.43 Insulation and diel
31、ectric resistance of the heating element . 29 4.44 Instructions for construction workers . 29 4.44.1 Protective measures when pouring flooring screed . 29 4.44.2 Pouring the screed . 29 4.45 Data for owner and user of the building . 29 4.46 Report of testing . 30 Annex A (informative) Sizing procedu
32、re Range of application and purpose 31 A.1 General 31 A.2 Basic principles Basic parameters of the room to be heated 31 A.2.1 General . 31 A.2.2 Standard heat load of an underfloor heated room . 31 A.2.3 Standard heating load per unit area . 31 A.2.4 Effective heat storage capacity of the room to be
33、 heated 32 A.2.5 Peripheral conditions and limiting values 32 A.3 Sizing an underfloor heating system 33 A.3.1 Storage layer depth of an underfloor heating system 33 A.3.2 Heat load coverage for the underfloor heated room 33 Annex B (informative) Sizing procedure Examples of sizing procedure of an u
34、nderfloor storage heating system Example for a living area 48 B.1 General 48 B.2 Standard heat load of an underfloor heated room N Q 48 B.3 Standard heat load per unit area N q 48 B.4 Storage mass per unit external area of the room m/A a. 48 B.5 Thickness of storage layer 49 B.6 Relation of coeffici
35、ents of conductivity . 49 B.7 Maximum rating per unit area F P . 50 B.8 Limited rating per unit area FE P 50 B.9 Heating floor area A F50 B.10 Permissible rating P ZUL50 B.11 Rating of the room P . 51 B.12 Rating per unit area IN P 51 B.13 Mean heating capacity F Q 51 B.14 Auxiliary heating capacity
36、 Z Q . 51 B.15 Auxiliary heat rating 52 Annex C (informative) Sizing procedure Example of sizing procedure of an underfloor direct heating system Example for a living area . 53 C.1 General 53 4 IEC 62999:2016 IEC 2016 C.2 Design heating capacity H Q of a room with underfloor direct heating . 53 C.3
37、Design heating capacity per unit area H q 53 C.4 Depth of the heating screed 54 C.5 Relation of coefficients of conductivity . 54 C.6 Maximum rating per unit area F P . 55 C.7 Limited rating per unit area FE P 55 C.8 Heating floor area A F55 C.9 Permissible rating P ZUL56 C.10 Rating of the room P .
38、 56 C.11 Rating per unit area IN P 56 C.12 Mean heating capacity F Q 56 C.13 Auxiliary heating capacity Z Q 56 C.14 Formula symbols and units 56 Figure 1 Layout diagram of an underfloor heating system . 14 Figure 2 Construction A, cross-section A B 14 Figure 3 Construction B, cross-section A B 15 Fi
39、gure 4 Construction C, cross-section A B . 15 Figure 5 Examples for the effect of floor excess temperature T E. 18 Figure 6 Basic circuit diagram of underfloor storage heating . 19 Figure 7 Underfloor direct heating, controlled underfloor heating and warming Example of a circuit for individual room
40、regulation (rooms have one heating circuit each) 21 Figure 8 Construction of model 22 Figure A.1 Monogram for determining the storage layer depth 32 Figure A.2 Electric underfloor storage heating, sizing chart 34 Figure A.3 Electric underfloor direct and controlled heating, sizing chart . 35 Figure
41、A.4 Plan of basement 43 Figure A.5 Plan of ground floor 44 Figure A.6 Plan of upper floor 45 Figure A.7 Cross-section A B 46 Figure A.8 Cross-section C D 47 Figure B.1 Ceiling construction 48 Figure C.1 Ceiling construction 53 Table 1 Minimum coefficient of heat transfer and minimum resistance to th
42、ermal conductivity of construction elements 25 Table A.1 0K 1 1 = 36 Table A.2 5K 1 1 = 36 Table A.3 K 0 1 1 1 = . 37 Table A.4 K 5 1 1 1 = . 37 Table A.5 K 0 2 1 1 = 38 IEC 62999:2016 IEC 2016 5 Table A.6 K 0 3 1 1 = 38 Table A.7 K 5 3 1 1 = 39 Table A.8 K 8 3 1 1 = 39 Table B.1 Determination of he
43、at conductivity coefficient U o49 Table B.2 Determination of heat conductivity coefficient U u50 Table C.1 Determination of heat conductivity coefficient U o54 Table C.2 Determination of heat conductivity coefficient U u55 6 IEC 62999:2016 IEC 2016 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ ELECTRI
44、C ROOM HEATING UNDERFLOOR HEATING PERFORMANCE CHARACTERISTICS DEFINITIONS, METHOD OF TESTING, SIZING AND FORMULA SYMBOLS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising all national electrotechnical committees (IEC National C
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