I EC 60335-2-40 ® Edition 5.1 201 6-04 CON SOLI DATE D VE R SI ON colour i n si de H o u seh o l d an d si m i l ar el ectri cal appl i an ces – Safety – Part 2-40: Parti cu l ar req u i rem en ts for el ectri cal h eat pu m ps, r-con d i ti o n ers IEC 60335-2-40:201 3-1 2+AMD1 :201 6-04 CSV(en) an d d eh u m i d i fi ers TH I S P U B L I C ATI O N I S C O P YR I G H T P R O TE C TE D C o p yri g h t © I E C , G e n e va , Sw i t z e rl a n d 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 mechanical, including photocopying and microfilm, without permission in writing from either IEC or IEC's member National Committee in the country of the requester If you have any questions about IEC copyright or have an enquiry about obtaining additional rights to this publication, please contact the address below or your local IEC member National Committee for further information IEC Central Office 3, rue de Varembé CH-1 21 Geneva 20 Switzerland Tel.: +41 22 91 02 1 Fax: +41 22 91 03 00 info@iec.ch www.iec.ch Abo u t th e I E C The International Electrotechnical Commission (IEC) is the leading global organization that prepares and publishes International Standards for all electrical, electronic and related technologies Ab o u t I E C p u b l i c a t i o n s The technical content of IEC publications is kept under constant review by the IEC Please make sure that you have the latest edition, a corrigenda or an amendment might have been published I EC C atal og u e - webstore i ec ch /catal o g u e E l ectro ped i a - www el ectro ped i a org The stand-alone application for consulting the entire bibliographical information on IEC International Standards, Technical Specifications, Technical Reports and other documents Available for PC, Mac OS, Android Tablets and iPad The world's leading online dictionary of electronic and electrical terms containing 20 000 terms and definitions in English and French, with equivalent terms in additional languages Also known as the International Electrotechnical Vocabulary (IEV) online I EC pu bl i cati on s search - www i ec ch /search pu b I E C G l o ssary - s td i ec ch /g l ossary The advanced search enables to find IEC publications by a variety of criteria (reference number, text, technical committee,…) It also gives information on projects, replaced and withdrawn publications 65 000 electrotechnical terminology entries in English and French extracted from the Terms and Definitions clause of IEC publications issued since 2002 Some entries have been collected from earlier publications of IEC TC 37, 77, 86 and CISPR I EC J u st Pu bl i s h ed - webstore i ec ch /j u stp u bl i s h ed Stay up to date on all new IEC publications Just Published details all new publications released Available online and also once a month by email I E C Cu s to m er S ervi ce Cen tre - webstore i ec ch /csc If you wish to give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csc@iec.ch I EC 60335-2 -40 ® Edition 5.1 201 6-04 CON SOLI DATED VE R SI ON colour i n si de H ou seh ol d an d si m i l ar el ectri cal appl i an ces – Safety – Part 2-40: Parti cu l ar req u i rem en ts for el ectri cal h eat pu m ps, r-con d i ti on ers an d d eh u m i d i fi ers INTERNATIONAL ELECTROTECHNICAL COMMISSION ICS 23.1 20 ISBN 978-2-8322-3367-2 Warn i n g ! M ake su re th at you obtai n ed th i s pu bl i cati on from an au th ori zed d i stri bu tor ® Registered trademark of the International Electrotechnical Commission I EC 60335-2-40 ® Edition 5.1 201 6-04 R E DLI N E VE R SI ON colour i n si de H o u seh o l d an d si m i l ar el ectri cal appl i an ces – Safety – Part 2-40: Parti cu l ar req u i rem en ts for el ectri cal h eat pu m ps, r-con d i ti o n ers IEC 60335-2-40:201 3-1 2+AMD1 :201 6-04 CSV(en) an d d eh u m i d i fi ers – 2– CONTENTS I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 FOREWORD I N TRODU CTI ON Scope N ormati ve references Terms an d defin i tions 1 General requ iremen t 5 General condi tions for the tests Classi fication M arking and i nstru cti ons Protecti on ag nst access to li ve parts 20 Startin g of m otor-operated appliances 20 Power inpu t and cu rren t 20 1 H eati ng 20 Void 26 Leakag e cu rren t and electric streng th at operating temperature 26 Transient overvol tag es 27 M oisture resi stance 27 Leakag e cu rren t and electric streng th 28 Overload protection of transformers and associated circu i ts 28 En du rance 28 Abnormal operation 28 20 Stabil ity an d m ech an ical h azards 33 21 M echan ical streng th 33 22 Constru ction 34 23 I n tern al wiring 38 24 Components 38 25 Su ppl y nection an d external flexible cords 39 26 Term inals for external condu ctors 39 27 Provision for earth in g 39 28 Screws and connections 40 29 Clearances, creepage distances and sol id insu lati on 40 30 Resistance to heat and fire 40 31 Resistance to rusti ng 40 32 Radiati on, toxici ty and sim i lar hazards 41 An nexes 44 An nex D (n ormative) Thermal motor protectors 44 An nex I (norm ati ve) M otors having basic insu lation that is inadequ ate for th e rated vol tag e of the appl iance 44 An nex AA (in form ati ve) Examples for operating temperatu res of the appliance 45 An nex BB (normati ve) Selected in form ation abou t refri geran ts 47 I EC 60335-2-40:201 3+AM D1 :201 CSV –3– I EC 201 An nex CC (informati ve) Transportation, marki ng and storag e for u n its that employ fl ammabl e refrig eran ts 49 CC Transport of equ ipment contain ing flamm able refrig eran ts 49 CC M arking of equ ipm en t usi ng sig ns 49 CC Disposal of equ ipment u sing flamm able refrig eran ts 49 CC Storage of equ i pm ent/appl iances 49 CC Storage of packed (u nsold) equ ipmen t 49 An nex DD (n ormati ve) I nstru ction manu al for servici ng refrig erant contain in g appli ances 50 DD Sym bols 50 DD I nformati on in manual 50 DD General 50 DD 2 U n ven tilated areas 51 DD Qualification of workers 51 DD I nformati on on servicing 51 DD Ch ecks to the area 51 DD Work procedu re 51 DD 3 General work area 51 DD Ch ecking for presence of refri g eran t 52 DD Presence of fi re exting u isher 52 DD N o ig nition sources 52 DD Ven ti lated area 52 DD Ch ecks to the refrigeration equ ipm en t 52 DD Ch ecks to electrical devices 52 DD Repairs to seal ed componen ts 53 DD Repair to in trinsical l y safe com pon ents 53 DD Cabling 53 DD Detecti on of fl ammabl e refrig eran ts 54 DD Leak detection m ethods 54 DD Removal and evacu ati on 54 DD Ch arg in g procedu res 55 DD 1 Decom missioni ng 55 DD Label li ng 56 DD Recovery 56 An nex EE (normati ve) Pressu re tests 57 EE General 57 EE Pressu re test valu e determ i ned u nder testin g carried ou t in Clau se 1 57 EE Pressu re test valu e determ i ned u nder testin g carried ou t in Clause 57 EE Pressu re test valu e determ i ned u nder testin g carried ou t under standsti ll condi ti ons 57 EE Fatig u e test opti on for Clauses EE and EE 58 An nex FF (normati ve) Leak si mu lation tests 60 FF General 60 FF Test m ethods 60 An nex GG (n orm ati ve) Ch arg e limi ts, ven ti lation requ iremen ts and requ iremen ts for secondary circu its 62 GG General 62 GG Requ irements for charge l im i ts i n un ventilated areas 63 – 4– I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 Requ irements for charge l im i ts i n areas wi th mech anical ventil ation 64 GG GG Requ irements for mechanical ven tilation wi th in the appliance encl osu re 65 GG Requ irements for mechanical ven tilation for rooms compl ying wi th I SO 51 49 66 GG Requ irements for refrig eration systems em pl oyi ng secondary h eat exchan gers 66 GG Addi tional testing 67 GG N on fi xed factory sealed sing le packag e u ni ts with a refrig erant charge amoun t of m1 < M mc ≤ × m1 67 An nex H H (informati ve) Competence of service person nel 74 HH.1 General 74 HH.2 Train ing 74 Bi bli og raphy 77 Fi g ure 01 a – U pfl ow application 41 Fi g ure 01 b – Downflow applicati on 42 Fi g ure 01 – Arrang emen t for heating test of appl i ances wi th su pplemen tary heater 42 Fi g ure 02 – Su pply circu i t for locked-rotor test of a motor of th e si ng le-ph ase type – Revise as needed for three-phase test 43 Fi g ure GG – U n ven ti lated area 71 Fi g ure GG – Mech anical ven tilation 71 Fi g ure GG – I sosceles triang le arrow test gau ge 72 Fi g ure GG – Measu rem en t of vibration ampli tu de 72 Fi g ure GG – Relevan t h ei g hts hinst , h0 and hrel for calcul ation of A m in an d mmax 73 Table – Tem peratu re l im i ts (1 of 3) 24 Table BB − Select ed in form ati on abou t refri g eran ts 47 Table GG – Mass of refrig eran ts 63 Table GG – Appli ance wi th packag ing 68 Table GG – Appli ance wi thou t packag ing 69 Table GG – Maximu m refrig erant ch arg e ( mmax ) (kg ) (see N ote of Clau se GG 2) 70 Table GG – M in imu m room area (m ) (see N ote of Clause GG 2) 70 I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 –5– I NTERNATI ONAL ELECTROTECHN I CAL COMMI SSI ON HOUSEHOLD AND SIMILAR ELECTRICAL APPLIANCES – SAFETY – Part 2-40: Particular requirements for electrical heat pumps, air-conditioners and dehumidifiers FOREWORD ) Th e I n tern ati on al El ectrotech n i cal Com m i ssi on (I EC) i s a worl d wi d e org an i zati on for stan dard i zati on com pri si n g al l n ati on al el ectrotech n i cal com m i ttees (I EC N ati on al Com m i ttees) Th e obj ect of I EC i s to prom ote i n tern ati on al co-operati on on al l q u esti on s cern i n g stan dard i zati on i n th e el ectri cal an d el ectron i c fi el ds To th i s en d an d i n ad di ti on to oth er acti vi ti es, I EC pu bl i sh es I n tern ati on al Stan d ards, Tech n i cal Speci fi cati on s, Tech n i cal Reports, Pu bl i cl y Avai l abl e Speci fi cati on s (PAS) an d G u i des (h ereafter referred to as “I EC Pu bl i cati on (s) ”) Th ei r preparati on i s en tru sted to tech n i cal com m i ttees; an y I EC N ati on al Com m i ttee i n terested i n th e su bj ect d eal t wi th m ay parti ci pate i n th i s preparatory work I n tern ati on al , g overn m en tal an d n on g overn m en tal org an i zati on s l i si n g wi th th e I EC al so parti ci pate i n th i s preparati on I EC col l aborates cl osel y wi th th e I n tern ati on al Org an i zati on for Stan d ard i zati on (I SO) i n accordan ce wi th d i ti on s d eterm i n ed by ag reem en t between th e two org an i zati on s 2) Th e form al d eci si on s or ag reem en ts of I EC on tech n i cal m atters express, as n earl y as possi bl e, an i n tern ati on al sen su s of opi n i on on th e rel evan t su bj ects si n ce each tech n i cal com m i ttee h as represen tati on from al l i n terested I EC N ati on al Com m i ttees 3) I EC Pu bl i cati on s h ave th e form of recom m en d ati on s for i n tern ati on al u se an d are accepted by I EC N ati on al Com m i ttees i n th at sen se Wh i l e al l reason abl e efforts are m ad e to en su re th at th e tech n i cal ten t of I EC Pu bl i cati on s i s accu rate, I EC can n ot be h el d respon si bl e for th e way i n wh i ch th ey are u sed or for an y m i si n terpretati on by an y en d u ser 4) I n ord er to prom ote i n tern ati on al u n i form i ty, I EC N ati on al Com m i ttees u n d ertake to appl y I EC Pu bl i cati on s tran sparen tl y to th e m axi m u m exten t possi bl e i n th ei r n ati on al an d reg i on al pu bl i cati on s An y d i verg en ce between an y I EC Pu bl i cati on an d th e correspon d i n g n ati on al or reg i on al pu bl i cati on sh al l be cl earl y i n di cated i n th e l atter 5) I EC i tsel f d oes n ot provi d e an y attestati on of form i ty I n d epen d en t certi fi cati on bodi es provi d e form i ty assessm en t servi ces an d , i n som e areas, access to I EC m arks of form i ty I EC i s n ot respon si bl e for an y servi ces carri ed ou t by i n d epen d en t certi fi cati on bodi es 6) Al l u sers sh ou l d en su re th at th ey h ave th e l atest edi ti on of th i s pu bl i cati on 7) N o l i abi l i ty sh al l attach to I EC or i ts d i rectors, em pl oyees, servan ts or ag en ts i n cl u d i n g i n d i vi du al experts an d m em bers of i ts tech n i cal com m i ttees an d I EC N ati on al Com m i ttees for an y person al i n j u ry, property d am ag e or oth er d am ag e of an y n atu re wh atsoever, wh eth er di rect or i n di rect, or for costs (i n cl u d i n g l eg al fees) an d expen ses ari si n g ou t of th e pu bl i cati on , u se of, or rel i an ce u pon , th i s I EC Pu bl i cati on or an y oth er I EC Pu bl i cati on s 8) Atten ti on i s d rawn to th e N orm ati ve referen ces ci ted i n th i s pu bl i cati on U se of th e referen ced pu bl i cati on s i s i n di spen sabl e for th e correct appl i cati on of th i s pu bl i cati on 9) Atten ti on i s d rawn to th e possi bi l i ty th at som e of th e el em en ts of th i s I EC Pu bl i cati on m ay be th e su bj ect of paten t ri g h ts I EC sh al l n ot be h el d respon si bl e for i d en ti fyi n g an y or al l su ch paten t ri g h ts DISCLAIMER This Consolidated version is not an official IEC Standard and has been prepared for user convenience Only the current versions of the standard and its amendment(s) are to be considered the official documents This Consolidated version of IEC 60335-2-40 bears the edition number 5.1 It consists of the fifth edition (201 3-1 2) [documents 61 D/21 3/FDIS and 61 D/220/RVD] and its amendment (201 6-04) [documents 61 D/333/FDIS and 61 D/334/RVD] The technical content is identical to the base edition and its amendment In this Redline version, a vertical line in the margin shows where the technical content is modified by amendment Additions are in green text, deletions are in strikethrough red text A separate Final version with all changes accepted is available in this publication – 6– I EC 60335-2-40:201 3+AMD1 :201 CSV I EC 201 I nternati onal Stan dard I EC 60335 has been prepared by su bcom mi ttee 61 D: Appliances for air-condi tioning for household and sim ilar purposes, of I EC technical com m i ttee 61 : Safety of household an d sim ilar electrical appliances The principal ch ang es in th is edition as compared wi th th e fou rth editi on are as follows (m inor ch ang es are not listed) : – – – – – – – – – – – – – – 27 and 28 – added n ew defin i tions; – leng th of refrig eran t l in es now speci fied for testing ; – ch ang ed m arking requ iremen ts for flammabl e refri g erants ; – added requ irem ent to cl arify th e placement of install ation pan els du ring testing ; 1 – clari ficati on of test procedu re; – (whole clause) – replaced in its entirety; 21 – added new coverag e for vi bration considerati ons during transport; 22 46 – added clari fication for PEC; 22 1 – added coverag e for use of mech anical conn ectors indoors when employin g flamm able refrig erants ; 32 – m ade th is section of Part applicable; Annex FF2 – revised calcu lation for calcu lating vol um e (V) ; Annex FF2 – revision of al lowable concen tration of fl am mable refrigeran t g as; Annex GG8 – new coverag e added; Annex H H – added i n formative annex Th is pu bl icati on has been drafted i n accordance wi th th e I SO/I EC Di recti ves, Part Th is part is to be used in conju ncti on with the latest edi tion of I EC 60335-1 an d i ts amendmen ts I t was established on th e basis of the fifth edition (201 0) of that standard N OTE Wh en “Part ” i s m en ti on ed i n th i s stan d ard , i t refers to I EC 60335-1 Th is part su pplem ents or modi fies th e correspondin g clauses in I EC 60335-1 , so as to vert that publicati on into th e I EC standard: Safety requ irem ents for electrical heat pu mps, air-conditioners an d dehu midifi ers Wh en a parti cu lar subclau se of Part is not men tioned i n thi s part 2, that subclau se applies as far as is reason able Wh en th is standard states "addition ", "modi fication " or "replacemen t", th e relevant text in Part is to be adapted accordin g ly N OTE Th e fol l owi n g n u m beri n g system i s u sed: – su bcl au ses, tabl es an d fi g u res th at are n u m bered starti n g from 01 are add i ti on al to th ose i n Part ; – u n l ess n otes are i n a n ew su bcl au se or i n vol ve n otes i n Part , th ey are n u m bered starti n g from 01 , i n cl u d i n g th ose i n a repl aced cl au se or su bcl au se; – ad di ti on al an n exes are l ettered AA, BB, etc N OTE Th e fol l owi n g pri n t types are u sed : – requ iremen ts: in roman type; – test specifications: in italic type; – n otes: i n sm al l rom an type Word s i n bol d i n th e text are d efi n ed i n Cl au se Wh en a d efi n i ti on cern s an ad j ecti ve, th e adj ecti ve an d associ ated n ou n are al so i n bol d – 66 – I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 h eat exchan g er flu i d if th ese areas are covered by Annex GG Th e fol lowing may be consi dered to com pl y wi th this requiremen t: – – – – an au tomatic air/refrig eran t separator withi n the secondary circu i t on the ou tlet pipe from th e evaporator or the denser Su ch devices sh all be at a h ig h level rel ati ve to the h eat exchan ger The air/refrig eran t separator shal l have a flow ratin g rated to discharg e th e refrig erant th at can be released th rou gh th e h eat exchan ger The air separator sh al l disch arg e the refrigeran t i nto the mach in ery room , the u ni t encl osu re, a desi gnated space or the ou tsi de; or a dou ble wall heat exchan ger, or a refrig eran t system where the pressu re of the secondary circu i t is always g reater th an the pressu re of th e prim ary circu i t in th e area of contact, or th e bu rsti ng of the secondary h eat exch ang er is avoided by ) the u se of a freezi ng protecti on devi ce (testing of which is described in i tem 2) below) wh ich considers • • • • flu id freezing point; distribu ti on th rou g h th e heat exch ang er; g l ide of the evaporating refri geran t; service procedu res that cou ld lead to freeze dam age, for example adding or removin g the refri g eran t i n l iqu id phase from a h eat exch ang er tai nin g standing water; 2) speci fying requ irem ents for specific properties of th e secondary h eat exchang er flu id to prevent corrosion, i ncl uding : • • water: the m an u factu rer sh all specify i n the instal lation man u al the water qu ali ty n ecessary for the specifi ed heat exch ang er; bri ne: the manu factu rer sh all speci fy i n the install ation manu al the type of brin e and its permi tted concen tration range for wh ich the heat exch ang er is su i table An appli ance whose heat exchan g ers m ay be damag ed as a resul t of freezing (i e water to water h eat pu mps, water to air heat pu mps or ch il lers) shall be tested as foll ows: a) The appl iance shal l be al lowed to ru n un der stable conditions The vol u me flow throu g h th e evaporator shal l be m onitored b) The circu lation pu mp will be swi tched off c) The freezing protection device shall swi tch off the compressor d) After , the circu lation pu m p wil l be switched on again an d the com pressor will restart e) The procedu res of i tems b) an d d) shal l be repeated times f) After repeti tions, the volu me flow throu g h th e evaporator sh all not be lower th an the flow measu red in item a) Al lowance for the measu remen t tolerance has to be taken i n to accou nt g ) The appliance shal l be tested with th e imum water flow at th e rated vol tage and frequ ency u n der the fol lowin g temperatu re condi ti ons • • • • The water ou tlet is set ju st above th e lowest cu t ou t (taki ng in to accou n t tolerances) of the safety devices for protection ag nst freezin g of th e evaporator The denser side is set so as to g et th e lowest condensati on temperature with in th e normal operation rang e The test equ ipmen t shal l be set so that there is no au tomatic adju stmen t of th e water fl ow on the evaporator side The appli ance shall operate tin uou sly for a period of h Du ri ng h , non e of th e foll owing conditions, indicati ng the start of freezin g , shall appear: I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 – 67 – i) the water flow on the evaporator side wi ll not drop more th an % compared to the i nitial water flow; i i) th e evaporati ng tem peratu re wil l not drop more th an K; ii i) th e temperatu re di fference between i nlet an d ou tlet water temperatu re of the evaporator wil l not drop m ore than 30 % compared to the in iti al temperatu re difference GG.7 Additional testing The appl iance sh al l then be tested wi th a maxim u m water flow u n der the condi tions described in item g) of Clau se GG GG.8 Non fixed factory sealed single package units with a refrigerant charge of m < mc ≤ × m1 GG8.1 For non- fixed factory sealed single package units (i e one fu ncti onal u nit in one encl osu re) wi th a refrigerant charge of m1 < mc ≤ × m1 , the maximum refrigerant charge i n a room shall be in accordance with the followin g : mm ax = 0, 25 × A × LFL × 2, or the requ ired m in im u m floor area, A m i n , to instal l an appli ance wi th refri g eran t ch arg e sh al l be i n accordance wi th th e followi ng : mc Am i n = mc /(0, 25 × LFL × 2, 2) wh ere mm ax mc Am i n A LFL 2, 0, 25 is is is is is is is the al lowable maxim um charg e in a room i n kg ; the refrig eran t charg e in the appli ance i n kg ; the requ ired m inim um room area in m ; the room area in m ; the lower flammabil ity l i mi t in kg /m , as referred in Annex BB; the mi n imu m cei li ng heig h t employed i n meters (m) ; a safety factor The appliance can be placed at an y hei gh t above the floor Wh en th e appliance is switched on, a fan sh all operate tin uousl y su pplying a m i ni mu m airflow as un der normal steady state ditions, even wh en th e com pressor is switch ed off by th e thermostat Compliance is checked by inspection GG.8.2 The appli ance shal l wi thstan d th e effects of droppin g and vibration du ring transport and n orm al use wi thou t leaking refri g eran t The appliance is subjected to the tests of GG.8.2.1 to GG.8.2.4 There shall be no refrigerant leakage Compliance is checked by the following: – 68 – I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 The use of detection equipment having an equivalent sensitivity of g/year of refrigerant shall reveal no leaks The tests of GG , GG 2 and GG may be carri ed ou t on th e appliance ch arg ed wi th a non - fl ammabl e refrig eran t or a non-hazardous g as Damage of parts oth er th an th e refrig eratin g circu i t is all owed GG.8.2.1 Th e appliance is tested in i ts final packag ing for transport an d shall withstand a random vibration test for 80 according to ASTM D 4728-01 The power spectral densi ty profil es to be appl ied are those speci fied in Fi gu re X1 and Table X1 of ASTM D 4728-01 :2001 for truck transportation GG.8.2.2 Th e appl iance is tested in its fi nal packag ing for transport and shall withstand the following nu m ber of drops on a horizon tal h ardwood board 20 m m th ick placed on a concrete or simi lar hard surface: – – one wi th the appli ance held uprig ht; one for each of th e fou r edg es of the bottom side, wi th the bottom side form i ng an ang le of abou t 30° to th e horizon tal The drop height depends on the weight of the appliance according to the following Table GG2: Table GG.2 – Appliance with packaging Appliance weight Drop height < 10 80 ≥ an d < 20 ≥ 20 an d < 30 ≥ 30 an d < 40 ≥ 40 an d < 50 ≥ 50 60 kg cm 50 40 30 20 GG.8.2.3 Th e tests of GG 2 are repeated on the appl iance withou t its packag in g and with th e drop h eig h t according to the following Tabl e GG3: Table GG.3 – Appliance without packaging Appliance weight Drop height < 10 20 ≥ an d < 20 ≥ 20 an d < 30 ≥ 30 an d < 40 ≥ 40 17 kg cm 15 12 10 GG.8.2.4 Th e appli ance is install ed i n accordance with th e installation instru ctions I t is su ppli ed at rated voltage or at the u pper limi t of the rated voltage range and operated at ambien t temperatu re I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 – 69 – The appliance is operated in cycles for 10 days (240 h), each cycle consisting of the compressor running for 10 followed by a rest period of This test may be made on a separate sample Th e appliance shal l be constructed so that i ts operation does not cau se resonance poi n ts i n the pipin g nected to the compressor G G 8.3 Compliance is checked by the following test: The appliance is installed in accordance with the installation instructions It is supplied at rated voltage or at the upper limit of the rated voltage range and operated at ambient temperature The supply frequency is increased in steps of Hz between 0,8 times and 1,2 times the rated frequency The vibration amplitude is measured at critical points in the piping There shall be no sudden increase of the amplitude when increasing the supply frequency within the specified range N OTE Th e vi brati on am pl i tu d e can be m easu red, for exam pl e, by sl i di n g an arrow g au g e al on g th e pi pi n g Th e arrow g au g e i s an i soscel es tri an g l e wi th a h ei g h t eq u al to ti m es th e base (see Fi g u re GG 3) an d i s h el d ag n st th e pi pi n g wi th th e arrow axi s perpen d i cu l ar to th e d i recti on of th e vi brati on to be m easu red Th e am pl i tu d e i s th e val u e of A (see Fi g u re G G 4) d i vi ded by – 70 – I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 Table GG.4 – Maximum refrigerant charge ( mmax ) (kg) (see N ote of Clause GG 2) Category R290 R32 R1 270 LFL ho kg /m m 0, 038 0, 306 0, 040 Floor 2area m 10 15 20 30 50 0, 0, 05 0, 07 0, 08 0, 0, 1 0, 0, ,0 0, 08 0, 1 0, 0, 0, 0, 23 0, 30 ,8 0, 0, 20 0, 24 0, 29 0, 34 0, 41 0, 53 2, 0, 0, 24 0, 29 0, 36 0, 41 0, 51 0, 65 0, 0, 68 0, 90 , 08 , 32 , 53 , 87 2, 41 ,0 ,1 , 51 , 80 2, 20 2, 54 3, 4, 02 ,8 2, 05 2, 71 3, 24 3, 97 4, 58 5, 61 7, 24 2, 2, 50 3, 31 3, 96 4, 85 5, 60 6, 86 8, 85 0, 0, 05 0, 07 0, 08 0, 0, 0, 0, ,0 0, 09 0, 0, 0, 0, 21 0, 24 0, 32 ,8 0, 0, 21 0, 25 0, 31 0, 36 0, 44 0, 57 2, 0, 20 0, 26 0, 31 0, 38 0, 44 0, 54 0, 70 Table GG.5 – Minimum room area (m ) (see N ote of Clause GG 2) Category LFL ho kg /m m Charge amount ( mc ) i n kg Minimum room area m 0, 52 kg R290 0, 038 0, 228 kg 0, 304 kg 0, 456 kg 0, 608 kg 0, 76 kg 0, 988 kg 0, 82 46 328 584 91 541 ,0 30 53 118 21 328 555 ,8 16 36 65 01 71 2, 11 24 43 68 115 , 836 kg 2, 448 kg 3, 672 kg 4, 896 kg 6, kg 7, 956 kg 0, 29 51 116 206 321 543 ,0 10 19 42 74 116 96 ,8 13 23 36 60 2, 2 15 24 40 0, kg 0, 21 kg 0, 28 kg 0, 42 kg 0, 56 kg 0, kg 0, 91 kg 0, 27 61 09 245 436 681 1 50 ,0 10 22 39 88 57 245 41 ,8 12 27 48 76 28 2, 2 18 32 51 86 , 224 kg R32 R1 270 0, 306 0, 040 I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 – 71 – Room Enclosure Zone or test IEC 2826/13 Figure GG.1 – Unventilated area Room To the outside Enclosure Zone or test IEC 2827/13 Figure GG.2 – Mechanical ventilation – 72 – 4 I EC 60335-2-40:201 3+AMD1 :201 CSV I EC 201 40 IEC 2828/13 Fi g u re G G – I so s ce l es t ri a n g l e arrow test g a u g e A F i g u re G G – M e a s u re m e n t o f vi b t i o n IEC 2829/13 ampl i tu d e I EC 60335-2-40:201 3+AMD1 :201 CSV I EC 201 – 73 – hrel = hrel cm hinst h0 h0 = hinst cm Cumulative opening < cm h0 = hrel hinst = not considered for release offset IEC Figure GG.5 – Relevant heights hinst , h0 and hrel for calculation of A and mmax N OTE Cri ti cal poi n ts are th ose wi th a l arg er vi brati on am pl i tu d e This test may be made on a separate sample – 74 – Annex HH I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 (informative) Competence of service personnel HH.1 General Speci al traini ng addi tional to u su al refri gerating equ ipmen t repair procedu res is requ ired wh en equ ipment wi th flammable refrigerants is affected I n man y cou n tries, th is train ing is carri ed ou t by national train ing org anisations th at are accredi ted to teach the relevan t national competency standards that may be set in l eg islation The ach ieved com petence shou ld be docu mented by a certifi cate HH.2 Training The training sh ou ld inclu de the su bstance of the followin g : HH.2.1 I n formation abou t the explosion potenti al of flammable refrigerants to sh ow that fl ammabl es may be dang erou s when han dl ed with ou t care HH.2.2 I nformation abou t poten tial i gn i tion sou rces, especial ly those that are n ot obvious, su ch as lig h ters, l ig h t switch es, vacu um cl ean ers, electric heaters HH.2.3 I nformation abou t the differen t safety concepts: U nven til ated – (see Clau se GG 2) Safety of the appliance does not depend on venti lati on of the hou sin g Switchi ng off the appli ance or openin g of the hou sin g has no sign i fican t effect on the safety N everth eless, i t is possible that leaking refri g eran t may accu mu late inside th e encl osu re an d fl ammable atmosph ere will be rel eased when th e enclosu re is open ed Ven ti lated enclosu re – (see Cl ause GG 4) Safety of the appli ance depen ds on ven tilation of th e hou sing Swi tch ing off th e appliance or opening of the enclosu re has a si g ni fican t effect on the safety Care shou ld be taken to ensure a su fficient ventilation before Ven ti lated room – (see Clau se GG 5) Safety of the appli ance depends on th e ven til ati on of th e room Swi tching off th e appl iance or openi ng of the hou sing h as no sig n ifican t effect on th e safety Th e ventilation of the room shall not be switched off du ring repair procedu res HH.2.4 I n formation abou t th e concept of sealed componen ts and sealed enclosu res accordin g to I EC 60079-1 5:201 HH.2.5 I nformation abou t the correct worki ng procedu res: a) Comm issioni ng • • • b) Ensure that th e floor area is su ffici en t for the refrig erant charge or that th e ven ti lation duct is assem bled in a correct m an ner Connect the pipes and carry ou t a leak test before chargi ng with refri geran t Ch eck safety equ ipmen t before pu tting i n to service M ain tenance I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 • Portable • • • • • – 75 – equ ipmen t sh al l be repaired ou tside or in a workshop speci al l y equ ipped for servicin g u nits with fl ammable refrig erants Ensure su fficien t ven til ation at the repair place Be aware that m al fu nction of the equ ipmen t may be cau sed by refrig eran t loss an d a refri g eran t leak is possible Discharge capacitors in a way that won’t cause an y spark The stan dard procedure to short circu i t th e capaci tor term in als u su al ly creates sparks Reassemble sealed enclosu res accu rately I f seal s are worn, replace them Ch eck safety equ ipmen t before pu ttin g in to service c) Repair • • • Portable equ ipmen t sh all be repaired ou tside or i n a workshop speci al ly equ ipped for servicin g u n its with flamm able refri g erants Ensu re su fficient ventil ation at the repai r place Be aware that m alfunction of the equ ipmen t may be caused by refrig eran t loss and a refrig erant leak is possible • • Discharg e capaci tors in a way that won’t cau se any spark • • Reassemble seal ed enclosures accurately I f seals are worn , replace them Wh en brazin g is requ ired, the following procedu res shall be carried ou t in the rig ht order: – Remove the refri geran t I f th e recovery i s n ot requi red by n ation al reg ul ati ons, drain th e refrigeran t to th e ou tside Take care that th e drained refrig erant will not cau se an y dan ger I n dou bt, on e person sh ou ld g u ard the ou tlet Take special care that drained refrig eran t wi ll not float back in to the bu ildin g – Evacuate the refrigeran t circu it – Pu rge the refrig erant circu i t with n i trog en for m in – Evacu ate again – Remove parts to be replaced by cu ttin g , not by flame – Purge th e braze poin t with ni trog en du ri ng the brazing procedu re – Carry ou t a leak test before ch arg ing wi th refri g eran t Check safety equ ipmen t before pu tting i n to service d) Decom missioning • • • • • • • • • I f the safety is affected wh en the equ ipm en t is pu tted ou t of service, th e refrigeran t ch arg e shal l be removed before decom missi oning Ensure su fficien t ven til ation at the equ ipmen t location Be aware that m al fu nction of the equ ipmen t may be cau sed by refrig eran t loss an d a refri g eran t leak is possible Discharge capaci tors in a way that won’t cau se an y spark Remove the refrig eran t I f the recovery is not requ ired by n ational regu lations, drai n th e refrigeran t to th e ou tside Take care that th e drained refrig erant will not cau se any dang er I n dou bt, one person shou ld g u ard the ou tl et Take special care that drained refri g eran t wil l not fl oat back in to the bui lding Evacuate the refrig eran t circu i t Pu rg e th e refrig eran t circu i t with n i trog en for m in Evacu ate ag ain Fil l with n itrog en up to atm ospheric pressure – 76 – • I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 Pu t a label on the equ ipm ent th at the refrig erant i s removed e) Disposal • • Ensu re su fficient ventil ation at the worki ng place • • • • Evacu ate the refrigeran t circu it Remove the refrig eran t I f the recovery is not requ ired by n ational reg u lations, drai n the refrig eran t to the ou tside Take care that th e drained refrig eran t will not cause any dang er I n dou bt, one person shou ld gu ard the ou tlet Take special care that drained refrig erant wi ll n ot float back in to the bu ildin g Purge th e refrig eran t circu i t with ni trog en for m in Evacu ate again Cu t ou t th e compressor and drain the oil I EC 60335-2-40:201 3+AM D1 :201 CSV I EC 201 – 77 – Bibliography The bi bl iog raph y of Part is applicable except as follows Addition: Household and similar electrical appliances – Safety – Part 2-21: Particular requirements for storage water heaters I EC 60335-2-21 , Household and similar electrical appliances – Safety – Part 2-88: Particular requirements for humidifiers intended for use with heating, ventilation, or air-conditioning systems I EC 60335-2-88, _ INTERNATIONAL ELECTROTECHNICAL COMMISSION 3, rue de Varembé PO Box 31 CH-1 21 Geneva 20 Switzerland Tel: + 41 22 91 02 1 Fax: + 41 22 91 03 00 info@iec.ch www.iec.ch