IEC PAS 63124:2017

IEC PAS 63124 ®
Edition 1.0 2017-06
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Tumble dryers for commercial use – Methods for measuring the performance

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IEC PAS 63124 ®
Edition 1.0 2017-06
PUBLICLY AVAILABLE
SPECIFICATION
PRE-STANDARD
colour
inside
Tumble dryers for commercial use – Methods for measuring the performance

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 97.060 ISBN 978-2-8322-4519-4

– 2 – IEC PAS 63124:2017 © IEC 2017
CONTENTS
FOREWORD . 6
1 Scope . 8
2 Normative references . 8
3 Terms, definitions and symbols. 8
3.1 Terms and definitions . 8
3.2 List of symbols . 11
4 Requirements . 12
4.1 General . 12
4.2 Rated capacity . 13
4.3 Dimensions . 13
5 Test conditions, materials, equipment and instrumentation . 13
5.1 General . 13
5.2 Ambient conditions. 14
5.2.1 Electricity supply . 14
5.2.2 Water supply . 14
5.2.3 Ambient temperature and humidity . 15
5.3 Test materials . 15
5.3.1 General . 15
5.3.2 Test load . 15
5.3.3 Detergent . 16
5.4 Equipment . 16
5.4.1 Equipment for normalization . 16
5.4.2 Equipment for conditioning the test load . 16
5.4.3 Equipment for wetting the test load prior to a test . 16
5.4.4 Equipment for measurement . 16
5.5 Instrumentation and accuracy . 17
6 Preparation for testing . 17
6.1 General . 17
6.2 Test specifications from manufacturers . 18
6.3 Installation of the tumble dryer . 18
6.4 Preparation of the tumble dryer for a test series . 18
6.5 Preparation of the tumble dryer for a test run . 18
6.6 Preparation of test loads . 19
6.6.1 General . 19
6.6.2 Pre-treatment of new test load items prior to use . 19
6.6.3 Requirements regarding the age of test load items . 19
6.6.4 Normalization of test load items . 19
6.6.5 Conditioning of test load items . 20
6.6.6 Test load composition . 20
6.6.7 Wetting . 22
7 Performance measurements – General requirements . 23
8 Tests for performance. 24
8.1 General . 24
8.2 Test procedure for performance tests . 24
8.2.1 Test conditions, materials and preparation for testing . 24
8.2.2 Programme . 24

8.2.3 Test load . 25
8.2.4 Test procedure . 25
8.2.5 Validity of a test run . 25
8.2.6 Validity of a test series . 25
8.3 Measurements to determine water and energy consumption and programme
time . 26
8.3.1 General . 26
8.3.2 Procedure . 26
8.4 Measurements to determine condensation efficiency . 26
8.4.1 General . 26
8.4.2 Procedure . 27
8.5 Measurements to determine exhaust air volume . 27
8.6 Performance measurement at maximum exhaust duct pressure . 27
8.7 Measurement of the textile drying temperature . 27
9 Assessment of performance . 27
9.1 General . 27
9.2 Final moisture content of the load . 28
9.3 Total energy . 28
9.4 Corrected energy . 28
9.5 Corrected water consumption . 29
9.6 Corrected programme time . 29
9.7 Condensation efficiency . 30
9.8 Evaporation capacity . 31
9.9 Exhaust air volume . 31
10 Data to be reported. 31
Annex A (normative) Reference list . 32
A.1 Reference detergent . 32
A.2 Specification of test load . 32
A.3 The bone dry method of conditioning . 32
A.4 Uncertainty of measurement . 32
A.5 Environmental aspects of tumble dryer use . 32
A.6 Source of materials and supplies . 32
A.7 Washing machine for normalization . 32
Annex B (normative) Exhaust ducts for tumble dryer testing . 33
B.1 General . 33
B.2 Specification of the exhaust duct type 1 . 33
B.2.1 Duct material . 33
B.2.2 The form of the duct . 33
B.2.3 Instrumentation . 34
B.3 Exhaust duct type 2 . 34
B.3.1 General . 34
B.3.2 Specification of exhaust duct Type 2. 34
B.3.3 Setting the correct exhaust duct pressure . 34
Annex C (informative) Flow diagrams . 38
Annex D (normative) Test report – Data to be reported . 41
Annex E (normative) Procedure to determine test load size where rated capacity is not
declared. 45
E.1 General .
...