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1、J IS JAPANESE I N DUSTR IAL STANDARD Translated and Published by Japanese Standards Association Electric storage tank water heaters ICs 91.140.65 Reference number : JIS C 9219 : 2005 (E) PROTECTED BY COPYRIGHT 19 s Copyright Japanese Standards Association Provided by IHS under license with JSALicens
2、ee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- C 9219 : 2005 Foreword This translation has been made based on the original Japanese Industrial Standard revised by the Minister of Economy, Tr
3、ade and Industry through deliberations at the Japanese Industrial Standards Committee, as the result of proposal for revision of Japanese Industrial Standard submitted by The Japan Electrical Manufacturers Association (JEMA) with the draft being attached, based on the provision of Article 12 Clause
4、1 of the Industrial Standardization Law applicable to the case of revision by the provision of Article 14. Consequently JIS C 9219 : 1993 is replaced with this Standard. Attention is drawn to the possibility that some parts of this Standard may conflict with a patent right, application for a patent
5、after opening to the public, utility model right or application for registration of utility model after opening to the public which have technical properties. The relevant Minister and the Japanese Industrial Standards Committee are not responsible for identifying the patent right, application for a
6、 patent after opening to the public, utility model right or application for registration of utility model after opening to the public which have the said technical properties. Date of Establishment: 1981-01-15 Date of Revision: 2005-01-20 Date of Public Notice in Official Gazette: 2005-01-20 Investi
7、gated by: Japanese Industrial Standards Committee Standards Board Technical Committee on Electricity Technology JIS C 9219 : 2005, First English edition published in 2005-05 Translated and published by: Japanese Standards Association 4-1 -24, Akasaka, Minato-ku, Tokyo, 107-8440 JAPAN In the event of
8、 any doubts arising as to the contents, the original JIS is to be the final authority. Q JSA 2005 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing
9、from the publisher. Printed in Japan FMIAT PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IH
10、S -,-,- C 9219 : 2005 Contents Page 1 2 3 4 5 6 6.1 6.2 6.3 6.4 6.5 6.6 6.7 6.8 6.9 6.10 6.11 6.12 6.13 6.14 6.15 6.16 6.17 6.18 6.19 6.20 6.21 6.22 6.23 Scope Normative references Definitions Classification Rated voltage and rated frequency Performance Voltage fluctuation characteristic . Power con
11、sumption . Insulation resistance . Dielectric withstand voltage Leakage current . Normal temperature Wet insulation performance . Abnormal temperature . Automatic temperature control . Temperature limiter Heating performance . Heat insulating performance . Service performance Hydrostatic pressure re
12、sistance of tank . Corrosion resistance of tank Corrosion resistance of heating element . Overload of heating element . Flame retardance of thermal insulating material . Tank capacity . Low temperature resistance Water hammer protection Back current protection Thermal fuse 1 1 2 2 3 3 3 3 3 3 3 3 3
13、4 4 4 5 5 5 5 5 5 5 6 6 6 6 6 6 PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- C 9
14、219 : 2005 6.24 6.25 Resistance to destruction by vacuum pressure Effect to water quality 7 7.1 7.2 7.3 7.4 7.5 7.6 7.7 7.8 7.9 8 9 9.1 9.2 10 Construction . Construction in general Live parts Wiring Power supply cable Switch Heating element . Grounding terminal and grounding lead wire . Automatic t
15、emperature control . Temperature limiting control Materials . Tests . Standard conditions for testing Test methods Inspections 10.1 Type inspection 10.2 Product inspection . 11 Designation of product . 12 Marking . 13 13.1 13.2 Precaution for installation and use . Requirement at installation of wat
16、er heater Precaution for use of water heater Annex 1 (normative) Transitional provisions for JIS C 9219 6 6 8 8 11 15 16 16 17 17 17 17 18 19 19 19 26 26 27 27 27 28 28 29 32 (ii) PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Emplo
17、yees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- JAPANESE INDUSTRIAL STANDARD JIS C 9219 : 2005 Electric storage tank water heaters 1 Scope This Japanese Industrial Standard specifies household electric s
18、torage tank water heaters of push-up type used at the maximum working pressure not exceeding 0.1 MPa with the rated power consumption not exceeding 10 kW (hereaf- ter referred to as ?water heaters?). 2 Normative references The following standards contain provisions which, through reference in this S
19、tandard, constitute provisions of this Standard. The most recent editions of the standards (including amendments) indicated below shall be applied. JIS B 8410 JIS B 8414 JIS C 0445 JIS C 0446 JIS C 2520 JIS C 3301 JIS C 3306 JIS C 3312 JIS C 3327 JIS C 8303 JIS C 8304 JIS C 8371 JIS G 0571 JIS G 057
20、6 JIS G 3555 JIS H 6125 JIS K 2240 Pressure reducing valves for water works Relief valves for hot water appliances Identification of equipment terminals and of terminations of certain designated conductors, including general rules for an alphanumeric system Identification of conductors by colours or
21、 numerals Wires and rolled wires for electrical heating Rubber insulated flexible cords Polyvinyl chloride insulated flexible cords 600 V Grade polyuinyl chloride insulated and sheathed portable power cables 600 V Rubber insulated flexible cables Plugs and receptacles for domestic and similar genera
22、l use Small switches for indoor use Residual current operated circuit breakers Method of oxalic acid etching test for stainless steels Stress corrosion cracking test for stainless steels Woven wire cloth Magnesium galvanic anodes for cathodic protection Liquefied petroleum gases JIS K 5600-5-4 Testi
23、ng methods for paints-Part 5 : Mechanical property of film- Section 4 : Scratch hardness (Pencil method) JIS K 7202-2 Plastics-Determination of hardness-Part 2 : Rockwell hardness JIS S 3200-1 Equipment for water supply service-Test methods of hydrostatic pressure Equipment for water supply seruice-
24、Test method of low tempera- ture resistant Equipment for water supply service-Test method of water ham- mer JIS S 3200-2 JIS S 3200-3 PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Res
25、ale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- 2 C 9219 : 2005 Indoor water heater JIS S 3200-4 JIS S 3200-5 JIS S 3200-7 Water heater which is installed in an indoor place or a place where it is not exposed to rain or wind, according to its constr
26、uction. Equipment for water supply service-Test method of prevention from back current Equipment for water supply service-Test methods of destruction by vacuum pressure Equipment for water supply service-Test methods of effect to wa- ter quality Outdoor water heater JIS S 6006 JIS Z 2371 Pencils, co
27、loured pencils and leads for them Methods of salt spray testing Water heater which can be installed in an outdoor place, according to its construction. 3 Definitions For the purpose of this Standard the following principal definitions apply: a b) Cl d) e storage tank system a type of water heater wh
28、ich has a thermally insulated tank capable of storing hot water push-up system a system of water heater in which the water is fed from the bottom and the hot water flows out from the upper part of the tank pushed up by the fed water at the same rate. There are inlet stop valve type and outlet stop v
29、alve type. i) inlet stop valve type such a type that hot water flows out by control- ling the valve located on inlet side of water heater outlet stop valve type such a type that hot water flows out by control- ling the valve located on outlet side of water heater 2) pressure reducing valve for water
30、 works a valve which is installed in a pipe line with a mechanism to reduce the pressure of inlet water to the pre- scribed pressure for delivery and with the function of a non-return valve (see JIS B 8410) relief valve a valve which automatically discharges hot water or cold water for safety when a
31、bnormal hydraulic pressure appears in the tank and pipe line, or which discharges the water whose volume has been expanded due to heating by electrical current to keep the pressure head inside the tank always not more than 0.1 MPa (see JIS B 8414) tank capacity the volume of the tank to store water
32、4 Classification Water heaters are classified as given in table 1 according to their construction. Water heaters which serve indoors and also outdoors are considered as outdoor water heaters. Table 1 Classification I Classification I Construction I PROTECTED BY COPYRIGHT Copyright Japanese Standards
33、 Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- 3 C 9219 : 2005 Rated power consumption 5 Rated voltage and rated frequency The rated
34、voltage shall be 300 V or less for single or three phase a.c. The rated frequency shall be 50/60 Hz compatible. For the appliance with the rated power consumption of over 2 kW up to and in- cluding 10 kW, the rated voltage shall be 200 V or more. Tolerance 6 Performance 6.1 Voltage fluctuation chara
35、cteristic When the test is carried out by the method of 9.2.2 (hereafter in the test of 9.2.2) the voltage fluctuation characteristic shall be such that the water heater can be used without any practical trouble. 6.2 Power consumption In the test of 9.2.3, the deviation of the measured power consump
36、tion from the rated power consumption shall be within the tolerances speci- fied in table 2. kW 1 or under Over 1 up to and incl. 10 6.3 Insulation resistance shall be not less than 1 Mil. In the test of 9.2.4, the measured insulation resistance 6.4 stand the test voltage. Dielectric withstand volta
37、ge In the test of 9.2.5, the specimen shall with- 6.5 not exceed 1 mA. Leakage current In the test of 9.2.6, the measured leakage current shall 6.6 For outdoor heaters, in the test of 9.2.7, the wet insulation performance shall be such that the insulation resistance is not less than 1 MR, and the sp
38、ecimen shall withstand the specified dielectric withstand voltage. Wet insulation performance 6.7 In the normal temperature test of 9.2.8, the tempera- tures at the points of measurement shall not exceed the values specified in table 3, the leakage current shall not exceed 1 mA, the insulation resis
39、tance shall be not less than 1 MQ, and the specimen shall withstand the specified dielectric withstand vol tage. Normal temperature PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under license with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resal
40、e, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- 4 C 9219 : 2005 Point of measurement Rectifier of selenium Table 3 Temperatures of each part Unit: “C Temperature 75 Winding of germanium 60 of silicon 135 of class A insulation 100 I of class E insulati
41、on I 115 of class B insulation of class F insulation 125 (120) 150 (140) I of class H insulation I 170 (165) Knob of switch and push button Handle operated by a man during service I of metal, ceramics or glass I 55 of metal, ceramics or glass 60 of others 75 1 ofothers I 70 Enclosure Surface of wood
42、en base on which specimen is placed 85 90 Remarks 1 The reference ambient temperature shall be 30 “C. 2 Values in parentheses apply to windings of motors. 3 Built-in types shall be measured in the built-in state. 6.8 In the abnormal temperature test of 9.2.9, the tem- perature of the enclosure shall
43、 not exceed 150 OC, the specimen and the wooden base shall not burn and the insulation resistance shall be not less than 0.1 MQ. Further, in case of the abnormal temperature test with the tank filled up with water, the water temperature shall not exceed 100 OC. Abnormal temperature 6.9 Automatic tem
44、perature control In the test of 9.2.10, the automatic tem- perature control shall show no abnormalities at any part and shall comply with each of the following requirements: a) The average of the measured values before the test shall be within k 5 O C from the set temperature. The average of the mea
45、sured values after the test shall be within i 5 “C from the average value before the test. b) 6.10 Temperature limiter When the temperature limiter is tested by the method of 9.2.11 a), the average value of the temperatures at open circuit shall fall within f 15 “C from the set temperature, and when
46、 tested by method of 9.2.11 b), the appa- ratus shall show no abnormalities in any part and the average value of the tempera- tures at open circuit shall fall within F 5 “C from the average value before the test. PROTECTED BY COPYRIGHT Copyright Japanese Standards Association Provided by IHS under l
47、icense with JSALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/13/2007 09:34:34 MDTNo reproduction or networking permitted without license from IHS -,-,- 5 C 9219 : 2005 Item Heating Temperature of heated-up performance water (Tz) Energy efficiency 6 . 1 1 Thermal fuse When t
48、he thermal fuse is tested by the method of 9.2.12, the difference between the rated operating temperature and the measured temperature shall be within k 7 O C . Tank capacity Over 100 L up to and incl. 350 L 100 L or less Over 350 L Marked value 5 “C 80 % min. 85 % min. 90 % min. 6 . 1 2 Heating performance water and the energy efficiency shall be as given in table 4. In the test of 9.2.13, the temperature of heated-up Heat insulating performance 6 . 1 3 Heat insulating performance water allowed to stand for 13 h shall be as g