IS 302-2-24: Safety of household and similar electrical appliances, Part 2: Particular requirements, Section 24: Refrigerators, food freezers and ice makers

25 Pages·1994·2.6 MB·English

by  Bureau of Indian Standards

इंटरनेट मानक
Disclosure to Promote the Right To Information
Whereas the Parliament of India has set out to provide a practical regime of right to
information for citizens to secure access to information under the control of public authorities,
in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
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“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 302-2-24 (1994): Safety of household and similar
electrical appliances, Part 2: Particular requirements,
Section 24: Refrigerators, food freezers and ice makers
[ETD 32: Electrical Appliances]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”

IS 302-2-24 : 1994
( :
Superseding IS 10542 1983 )

Indian Standard
SAFETYOFHQUSEHOLDANDSIMILAR
ELECTRICAL APPLIANCES
PART 2 PARTICULAR REQUIREMENTS
Section 24 Refrigerators, Food-Freezers and Ice-Makers
UDC 64.06-83 : 621.56592 : 614.825

Q BIS 1994
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
June 1994 Price Group 8
lacirtcelE secnailppA lanoitceS ,eettimmoC TE 32
FOREWORD
sihT naidnI dradnatS was detpoda yb eht uaeruB fo naidnI Standards, retfa eht tfard dezilanif yb
eht lacirtcelE secnailppA lanoitceS eettimmoC had neeb devorppa yb eht lacinhcetortcelE noisiviD
.licnuoC
sihT standard srevoc lareneg and ytefas stnemeriuqer fo ,srotaregirfer srezeerf-doof and srekam-eci ot
erusne lanosrep ytefas against cirtcele ,kcohs ytefas against eht stceffe fo evissecxe erutarepmet and
.erif sihT standard seod ton revoc eht ecnamrofrep tnemeriuqer hcihw era derevoc rednu etarapes
naidnI Standards.
sihT standard is ot eb daer ni noitcnujnoc htiw SI l-203 ( 1979 .) roF eht ekas fo ,ecneinevoc eht
sesualc fo this standard dnopserroc ot esoht fo SI l-203 ( 1979 .) Clauses hcihw era elbacilppa ( hcihw
snaem that tnaveler snoisivorp fo eht sesualc ylppa ) ro ton elbacilppa and yrassecen segnahc reverehw
deriuqer and detacidni .ylgnidrocca selbat/sesualc-bus/sesualC hcihw era lanoitidda ot esoht fo SI l-203
( 1979 ) era derebmun starting morf ;101 lanoitidda sexennA era derettel AA. ,dluohS ,revewoh yna
noitaived tsixe neewteb SI l-203 ( 1979 ) and this standard, eht snoisivorp fo eht rettal shall .ylppa
elihW gniraperp this standard, assistance has neeb devired morf CEI buP 42-2-533 ( 1992 ) ytefaS‘ fo
dlohesuoh and ralimis lacirtcele :secnailppa traP 2 ralucitraP stnemeriuqer rof ,srotaregirfer doof
srezeerf and ,rekam-eci noitceS 24 ,srotaregirfeR srezeerf-doof and ’srekam-eci issued yb eht -anretnI
lanoit lacinhcetortcelE noissimmoC ( CEI .)
sihT standard nehw dehsilbup lliw edesrepus SI 10542 : 1983 noitacificepSL rof ytefas stnemeriuqer rof
rotaregirfer and doof rezeerf rof dlohesuoh and ralimis ,’sesoprup eht stnemeriuqer fo hcihw evah neeb
derevoc ni this desiver standard.
ehT naidnI Standards hcihw era yrassecen stcnujda ot this standard era nevig ni xennA CC.
roF eht esoprup fo gnidiced rehtehw a ralucitrap tnemeriuqer fo this standard is deilpmoc ,htiw eht
lanif ,eulav devresbo ro ,detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ni ecnadrocca
htiw SI 2 : 1960 seluR‘ rof gnidnuor ffo laciremun seulav ( revised )‘. ehT rebmun fo tnacifingis secalp
deniater ni eht dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
IS 302-2-24 : 1994
hdian Standard
SAFETYOFHOUSEHOLDANDSIMILAR
LACIRTCELE SECNAILPPA
PART 2 PARTICULAR REQUIREMENTS
Section 24 Refrigerators, Food-Freezers and Ice-Makers
hcus sesac lanoitidda stnemeriuqer yam eb
1 SCOPE
.yrassecen
sihT esualc fo SI l-203 ( 1979 ) is elbacilppa
tpecxe as .swollof sihT standard seod ton ylppa :ot
1.1 Replacement - secnailppA dengised ylevisulcxe rof indus-
lairt ;sesoprup
sihT standard seilppa :ot
- secnailppA dednetni ot eb desu ni
- lacirtcelE srotaregirfer htiw ro tuohtiw
snoitacoi erehw laiceps snoitidnoc ,liaverp
nezorf doof egarots ,tnemtrapmoc nezorf
hcus as eht ecneserp fo a evisorroc ro
doof egarots stenibac and doof srezeerf
evisolpxe erehpsomta ( dust, ruopav ro
and rieht snoitanibmoc rof dlohesuoh and
gas ;) and
ralimis ;esu
- etarapeS .srotom
- srekam-ecI gnitaroprocni a -moc-rotom
rosserp and srekam-eci dednetni ot eb roF secnailppa dednetni ot eb desu ni selcihev
detaroprocni ni doof srezeerf ro nezorf ro no spihsdraob ro ,tfarcria lanoitidda -eriuqer
doof egarots ;stnemtrapmoc stnem yam eb .yrassecen
.- srotaregirfeR and srezeerf rof gnipmac
2 YGOLONIMRET
,esu gniruot snavarac and rof staob
rof erusiel .sesoprup esehT -ailppa sihT esualc fo SI l-203 ( 1979 ) is elbacilppa
secn yam eb mains ,detarepo yrettab tpecxe as .swollof
detarepo ro detarepo rehtie yb mains ro
.yrettab yehT yam osla eb ni noitidda 2.30 Addition
dezigrene yb rehtona ecruos ( gas ro
leuf .) Normal load for ice-maker - daoL deniatbo
nehw eht rekam-eci is detarepo at eht moor
tI slaed htiw ytefas rof hcus .secnailppa tI seod erutarepmet fo 22 & 3°C and htiw yna slortnoc
ton revoc serutaef fo noitcurtsnoc and noitarepo detsujda ot rieht tsom etanutrofnu gnittes fi eht
fo srotaregirfer and srezeerf hcihw era derevoc
gnittes nac eb deretla yb eht .resu
rednu etarapes naidnI Standards.
daoL
emoS stset detaler ot ytilibats and lacinahcem Normal load for incorporated ice-maker -
deniatbo nehw eht rekam-eci is detarepo at eht
sdrazah era nevig ni xennA .BB
erutarepmet fo eht nezorf doof egarots -trapmoc
erehW ,elbacilppa sesualc fo SI l-203 ( 1979 ) tnem as debircserp yb eht tnaveler sesualcbus fo
detaler ot ytefas fo gnitaeh ecnacilppa ylppa ot this standard, htiw eht ylppus retaw at a
epyt-noitprosba srotaregirfer ro doof ,srezeef erutarepmet fo 22 f 2’C and htiw yna lortnoc
and ot gnitaeh stnemele detaroprocni ni -moc detsujda ot rieht tsom elbaruovafnu gnittes fi
epyt-noisserp srotaregirfer ro doof .srezeerf eht gnittes nac eb deretla yb eht .resu
secnailppA ton dednetni rof lamron dlohesuoh
Additional Subclauses
,esu tub hcihw sselehtreven yam eb a ecruos fo
regnad ot eht ,cilbup hcus as secnailppa -netni 2.101 Refrigerator
ded ot eb desu yb nemyal ni ,spohs ni thgil
desolcnE yllamreht detalusni ecnailppa fo suita-
yrtsudni and no ,smraf era ton nihtiw eht epocs
elb emulov and tnempiuqe rof dlohesuoh ,esu
fo this standard.
delooc yb a ecived gnimusnoc cirtcele ygrene
sihT standard seod ton ekat otni tnuocca eht and gnivah eno ro erom tnemtrapmoc dednetni
1.aiceps sdrazah hcihw tsixe ni seiresrun and rof eht noitavreserp fo ,sffutsdoof eno fo meht
rehto secalp erehw ereht era gnuoy nerdlihc ro at tsael gnieb deniatniam at a erutarepmet
dega ro mrifni snosrep tuohtiw ;noisivrepus ni evoba 0°C.
1
SI :42-2-203 4991
201.2 Frozen Food Storage Compartment ti is yltneuqesbus dellepxe at a rehgih laitrap
ruopav erusserp yb gnitaeh and deifeuqil yb
desolcnE yllamreht detalusni tnemtrapmoc fo
gnilooc ni rehtona taeh regnahcxe ( resnednoc .)
a rotaregirfer esohw erutarepmet is hcus that
rednu eht tneibma ecnerefer snoitidnoc -doof
2.110 resnednoC
sffuts decalp ni ti at a erutarepmet fo - 6”C,
-12°C ro - 18°C era deniatniam at this taeH regnahcxe ni hcihw retfa noisserpmoc
erutarepmet ro .woleb deziropav tnaregirfer is deifeuqil yb gnitcejer
taeh ot an lanretxe cooling medium.
2.103 nezorF dooF egarotS tenibaC
desolcnE yllamreht detalusni ecnailppa ro 2.111 Evaporator
tenibac elbatius rof dlohesuoh ,esu delooc yb taeH regnahcxe ni hcihw retfa erusserp -cuder
snaem fo a ecived gnimusnoc cirtcele ygrene and ,noit eht diuqil tnaregirfer is deziropav yb
gnivah eno ro erom stnemtrapmoc esohw gnibrosba taeh morf eht muidem ot eb
erutarepmet is hcus that rednu tneibma ecnerefer .detaregirfer
snoitidnoc sffutsdoof decalp ,niereht era -niam
deniat at a erutarepmet lauqe ot ro 2.112 gnidnatS-eerF ecnailppA
woleb - 18°C.
ecnailppA dednetni rof epyt-nepo noitallatsni
2.104 dooF rezeerF .ylno
desolcnE yllamreht detalusni ecnailppa ro 2.113 etatS-ydaetS
tenibac fo elbatius emulov and tnempiuqe rof
dlohesuoh ,esu delooc yb snaem fo a ecived deredisnoC ot eb deniatbo nehw eerht evisseccus
gnimusnoc cirtcele ,ygrene and dehsinruf htiw sgnidaer fo eht ,erutarepmet nekat at -ixorppa
one ro erom stnemtrapmoc dednetni rof eht yletam 60 nim ,slavretni at eht emas tniop fo
gnizeerf fo sffutsdoof and elbatius rof eht yna gnitarepo ,elcyc od ton reffid yb erom
noitavreserp fo hcus sffutsdoof at a erutarepmet than 1°C.
lauqe ot ro woleb - 18°C.
3 LARENEG STNEMERIUQER
2.105 epyT-noisserpmoC ecnailppA
ehT esualc fo l-203 ( 1979 ) is .elbacilppa
ecnailppA ni hcihw noitaregirfer is detceffe yb
eht noitaziropav at wol erusserp ni a taeh 4 GENERAL NOTES ON TESTS
regnahcxe ( rotaropave ) fo a diuqil ,tnaregirfer
This clause fo SI l-203 ( 1979 ) is elbacilppa
eht ruopav thus demrof gnieb derotser ot eht
tpecxe as .swollof
diuqil etats yb lacinahcem noisserpmoc ot a
rehgih erusserp and tneuqesbus gnilooc ni
4.2 noitiddA
rehtona taeh regnahcxe ( resnednoc .)
stseT no etarapes srosserpmoc-rotom era
2.106 rekaM-ecI derevoc rednu a etarapes naidnI .dradnatS
ecnailppA ni hcihw eci is edam yb gnizeerf retaw
4.3 tnemecalpeR
yb a ecived gnimusnoc cirtcele ygrene and
gnivah a tnemtrapmoc fo gnirots eht .eci stseT fo 11.7, 9,10,11.9 ot 11.103 era deirrac

tuo ni this redro retfa stset fo 8.
2.107 detaroprocnI tnemercnI
erofeB ,gnitset eht ecnailppa shall eb detarepo
rekam-ecI yllaiceps dengised ot eb detaroprocni
at detar egatlov rof 24 h.
otni doof rezeerf ro a nezorf doof egarots
tnemtrapmoc and tuohtiw snaem rof gnizeerf
4.5 noitiddA
.retaw
stseT gnidrocca ot 9, 10, 11 and 12 era deirrac
2.108 yrallicnA gnitaeH tnemelE
tuo at an tneibma erutarepmet fo ( 32 f l)OC
gnitaeH ecived hcus as a tsorfed ,retaeh rood no secnailppa fo dednetxe etarepmet ( NS ) and
,retaeh noitasnednoc-itna ,retaeh ,cte hcihw etarepmet )N( erutarepmet class ro ( 43 f %)I
smrofrep an yrailixua .noitcnuf no secnailppa fo laciportbus ( TS ) ro laciport
)T( erutarepmet class.
2.109 epyT-noitprosbA ecnailppA
rehtO stset era deirrac tuo at an tneibma
ecnailppA ni hcihw sfaneol;ltaregirfer detceffe yb
erutarepmet fo ( 20 f 5 )“C.
eht noitaropave ni a regnahcxe
( rotaropave ) fo a diuqil ,tnaregirfer ni eht secnailppA detar rof lareves citamilc sessalc era
diuqil ,etats eht gnitluser ruopav gnieb neht detset at eht tneibma erutarepmet tnaveler ot
debrosba yb an tnebrosba muidem morf hcihw eht tsehgih citamilc class.
2
IS 302-2-24 : 1994
nehw a erutxim is ,desu eht laudividni
4.6 Addition
,eman srebmun fo lacimehc .ealumrof
stseT era deirrac tuo htiw hcae ecruos fo ygrene
( ,yticirtcele gas ro leuf ) ni .nrut stseT era roF epyt-noisserpmoc gnitaregirfer ,smetsys eht
yllanoitidda deirrac tuo htiw all snoitanibmoc ecnailppa shall osla eb dekram :htiw
fo secruos deilppus ylsuoenatlumis unless this is - eht mass fo eht ,tnaregirfer ro fo hcae
detneverp yb gnikcolretni .secived tnaregirfer ni a erutxim rehto than esoht
fo eht ciportoeza .epyt
roF eht esoprup fo ,stset eht lanoitpo cirtcele
ylppus ( < 42 V ) is deredisnoc ot eb wol-artxe ,revoeroM secnailppa dengised rof gnitaroprocni
egatlov .ylppus an rekam-eci shall eb dekram htiw eht -ixam
mum tupni rof an detaroprocni ,rekam-eci fi
4.7 Addition retaerg than 100 W.
secnailppA gnitaroprocni srekam-eci era detset
,revoeroM srekam-eci shall eb dekram htiw eht
htiw eht rekam-eci gnitarepo ot evig eht tsom
:gniwollof
elbaruovafnu .stluser
- ehT mumixam elbissimrep retaw ,level rof
4.13 Not Applicable secnailppa tuohtiw citamotua level-retaw
;lortnoc
Additional Subclause
- ehT mumixam elbissimrep telni ,erusserp
4.101 secnailppA hcihw era os dengised that an
ni pascals, bars ro snotwen rep ,sme rof
rekam-eci yam eb detaroprocni ni ti era detset
secnailppa dednetni ot eb detcennoc ot
htiw eht dednetni .srekam-eci
eht retaw ylppus mains, unless this is
detacidni ni eht noitcurtsni ;teehs and
5 GNITAR
- ehT muminim elbissimrep telni retaw
ehT esualc fo SI I-203 ( 1979 ) is .elbacilppa erusserp ni pascals, bars ro snotwen rep
,2mc fi yrassecen rof eht tcerroc noitarepo
6 NOITACIFISSALC fo eht ,rekam-eci unless this is detacidni
ni eht noitcurtsni .teehs
ehT esualc fo SI l-203 ( 1979 ) is elbacilppa
tpecxe as .swollof ,eromrehtruF secnailppa rof gnipmac ro ralimis
esu shall eb dekram ni noitidda htiw eht ecruos
6.1 noitiddA
fo ylppus rehto than ,lacirtcele fi .yna
gnidroccA ot moor :erutarepmet
,revoeroM eht snaem dedivorp rof noitcennoc
- secnailppA fo dednetxe erutarepmet fo eht 12 V ylppus shall eb ylraelc and -amrep
class ( NS >; yltnen dekram htiw eht egatlov and epyt fo
- secnailppA fo etarepmet class ( N ;) ylppus rof hcihw ti is .dednetni
- secnailppA fo laciportbus class ( TS ;)
and 7.2 Not Applicable
- secnailppA fo laciport class ( T .) 7.12 Addition
7 GNIKRAM roF secnailppa dengised rof gnitaroprocni -eci
,srekam eht noitcurtsni teehs shall edulcni eht
sihT esualc fo SI l-203 ( 1979 ) is elbacilppa
eht )s(epyt fo )s(rekam-eci hcihw nac eb
tpecxe as .swollof
.detaroprocni
7.1 noitiddA
ehT noitcurtsni teehs shall osla edulcni an -ni
,revoeroM secnailppa shall eb dekram :htiw noitamrof no eht tcaf that eht noitallatsni of na
rekam-eci ni an ecnailppa must eb edam yb eht
- ehT detar tupni fo gnitaeh stnemele and s’rerutcafunam .secivres
yna yrailixua stnenopmoc fi retaerg
gnidroccA ot eht epyt fo ,rekam-eci eht insula-
than 100 W;
noit shall osla edulcni eht ecnatsbus fo eno fo
- ehT gnisorfed ,tupni ni watts, fi retaerg eht gniwollof warnings:
than eht tupni gnidnopserroc ot eht detar
;tupni - detcennoC ot elbatop retaw ylppus ;ylno
ro
- ehT srettel ,NS N, TS ro T gnitacidni eht
citamilc class fo eht ;ecnailppa - lliF htiw elbatop retaw .ylno
- ehT detar mumixam tupni fo lamps, ni srotaregirfeR and srezeerf rof gnipmac ro
watts; ralimis esu shall eb deinapmocca htiw an -ni
- ehT lacimehc eman ro alumrof ro eht noitcurts teehs gnidulcni eht sliated fo eht
tnaregirfer rebmun fo eht tnaregirfer ,ro noituacerp ot eb nekat rof efas .noitallatsni
3
F
IS 302-2-24: 1994
,revoeroM eht noitcurtsni teehs shall edulcni ni 9.1 tnemecalpeR
ecnatsbus eht noitacidni rof gnipmac‘ ’esu and fi
srotoM shall start rednu all lamron egatlov
,etairporppa eht noitacidni fo eht tcaf that eht
snoitidnoc hcihw yam rucco ni .esu
ecnailppa is dedivorp htiw erom than eno
etarapes .ylppus ecnailpmoC is dekcehc yb eht gniwollof :tset
,revoeroM eht noitcurtsni teehs shall edulcni a ehT ecnailppa is detrats eerht semit at
gninraw stating that eht ecnailppa shall ton eb 0.85 semit eht detar egatlov at an tneibma
desu ni nepo ria and shall ton esopxe ot .niar erutarepmet fo 32°C ro 43°C gnidrocca ot
its class ( ees 4.5 ,) eht srood and lids gnieb
7.14 noitiddA
.desolc
nI eht esac fo gnidnats-eerf ,secnailppa eht
ehT ecnailppa is tpek dehctiws no retfa hcae
gnikram shall eb ,elbisiv fi yrassecen retfa
start rof a tneiciffus emit ot erusne that eht
gnivom eht ecnailppa yawa morf eht wall.
srotom start ylreporp and that ereht is
ehT gnikram fo eht tupni fo eht lamp shall eb etauqeda .noitacirbul
ylisae elbinrecsid elihw eht lamp is gnieb ehT lavretni neewteb owt evisseccus starts
.decalper shall eb yltneiciffus gnol ot tneverp evissecxe
gnitaeh-revo fo eht ,rotom and ot diova an
7.15 ehT esu fo eht dradnatS Mark is denrevog
lamronba esaercni ni eht erusserp fo eht
yb eht snoisivorp fo uaeruB fo naidnI Standards
diuqil ,tnaregirfer as llew as ot hcaer -ilauqe
,tcA 1986 and eht seluR and snoitalugeR edam
noitaz fo erusserp neewteb eht erusserp-hgih
.rednuereht ehT sliated fo snoitidnoc rednu
and erusserp-wol sides.
hcihw eht ecnecil rof eht esu fo dradnatS Mark
yam eb detnarg ot srerutcafunam ro srecudorp eerhT sgnirettahc fo eht starting yaler fo
yam eb deniatbo morf eht uaeruB fo naidnI eht rosserpmoc-rotom era .dettimrep
Standards. ehT ylppus ecruos is hcus that eht pord ni
egatlov seod ton deecxe 1 tnecrep gnirud eht
8 NOITCETORP TSNIAGA CIRTCELE .tset
KCOHS
9.2 tnemecalpeR
sihT esualc fo SI l-203 ( 1979 ) is elbacilppa
tpecxe as .swollof ecalpeR eht tset snoitacificeps retfa eht elbat
yb eht :gniwollof
8.1 noitiddA
ehT eriw has a revlis tnetnoc ton less than
gnitcetorP srevoc fo lamps, tpecxe esoht hcihw
99.9 tnecrep and is dehcterts yllatnoziroh
od ton deen ot eb devomer nehw gnicalper eht
gnola eht ertnec enil fo a xob htiw edisni
,blub era devomer erofeb gniylppa eht standard
snoisnemid fo 80 mm x 80 mm x 150 .mm
tset .regnif
ehT ecnailppa is neht detrats net semit at a
8.2 and 8.3 toN .elbacilppa egatlov lauqe ot 0.9 semit detar egatlov and
net semit at a egatlov lauqe ot I-1 semit
8.4 noitiddA detar .egatlov

roF eht esoprup fo eht ,tset nez orf retaw is ehT ecnailppa is tpek dehctiws no retfa hcae
dedrager as a gnitcudnoc .diuqil start rof a tneiciffus emit ot erusne that eht
srotom start ylreporp and ereht is etauqeda
8.7 toN .elbacilppa .noitacirbul
ehT lavretni neewteb owt evisseccus starts
9 GNITRATS FO DETAREPO-ROTOM
shall eb yltneiciffus gnol ot tneverp evissecxe
SECNAILPPA
gnitaehrevo fo eht srotom and ot diova an
sihT esualc fo SI l-203 ( 1979 ) is elbacilppa lamronba esaercni ni eht erusserp fo eht
tpecxe as .swollof diuqil ,tnaregirfer as llew as ot hcaer -ilauqe
noitaz fo erusserp neewteb eht erusserp-hgih
Addition after the Title and erusserp-wol sides.
eniT stset fo this esualc era .deirrac tuo at tsael ehT sgnirettahc fo eht starting yaler fo eht
15 nim retfa esoht fo 11.7, tub ton retal than 1 h rosserpmoc-rotom era .dettimrep
retfa eht .rettal ehT tset fo 9.1 is ton deirrac
tuo no secnailppa gnitaroprocni on rehto gniruD eht ,tset eht tneibma erutarepmet is
srotom than noisserpmoc-rotom gniylpmoc htiw 32°C ro 43°C gnidrocca ot eht class fo eht
eht dekcol rotom tset as deificeps ni tnaveler ecnailppa ( ees 4.5 ,) eht srood and lids gnieb
naidnI dradnatS no rotom rosserpmoc and .desolc gnitaeH stnemele detaroprocni ni eht
resnednoc naf srotom gniylpmoc htiw eht ecnailppa era ,detarepo tub era ton detcennoc
dekcol rotor tset fc xennA AA. ot a etarapes .ylppus
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IS 302-2-24 : 1994
gniruD eht ,tset eht revlis eriw shall ton eb tlem 10.102 ehT derusaem tupni fo yna yrailixua
and rehtien shall yna daolrevo noitcetorp ecived tnenopmoc shall ton deecxe eht tupni dekram
.etarepo no eht ecnailppa rof eseht stnenopmoc yb erom
than 20 ,tnecrep nehw hcus gnikram is .nevig
10 TUPNI AND CURRENT
ecnailpmoC is dekcehc yb gnirusaem eht tupni
sihT esualc fo SI 2-203 ( 1979 ) is elbacilppa fo yrailixua stnenopmoc nehw detarepo at detar
tpecxe as .swollof ,egatlov nehw eht tupni is .dezilibats
10.1 Replacement 11 TEMPERATURE RISE
ecalpeR eht tset snoitacificeps yb eht :gniwollof sihT esualc fo SI l-203 ( 1979 ) is elbacilppa
tpecxe as .swollof
ecnailpmoC is dekcehc yb gnirusaem eht
tupni fo eht ecnailppa rednu eht gniwollof
11.2 tnemecalpeR
:snoitidnoc
ecnailppA rof ni-gnidliub era tliub ,ni llud kcalb
roF secnailppa rehto than esoht tes-erp at detniap doowylp walls, tuoba 20 mm ,kciht
eht s’rerutcafunam ,skrow eht tatsomreht gnieb .desu
is tes ot evig eht tsewol .erutarepmet ehT
ecnailppa is ,ytpme htiw eht srood and gnidnats-eerF secnailppa era decalp ni a tset
lids desolc and eht lamps, fi ,yna dehctiws erusolcne fo doowylp walls as deificeps ,evoba
eht walls gnisolcne eht ,ecnailppa as raen ot all
Off. its edis and evoba as elbissop unless eht -unam
ehT stset era deirrac tuo at eht detar
rerutcaf setacidni ni eht noitcurtsni teehs that a
,egatlov eht ecnailppa gnieb detarepo at
eerf ecnatsid shall eb devresbo morf eht walls ro
an tneibma erutarepmet fo 32°C ro 43°C
eht ,gniliec ni hcihw esac this ecnatsid is -resbo
gnidrocca ot its class ( ees 4.5 .)
dev gnirud eht .tset
srekam-ecI era detarepo rednu lamron
.daol rehtO secnailppa era decalp ni a tset .renroc
ehT tset renroc stsisnoc fo owt walls at thgir
ehT tluser is derusaem nehw etats-ydaets ,selgna a roolf and, fi ,yrassecen a gniliec as
snoitidnoc era .dehsilbatse deificeps .evoba ehT ecnailppa is decalp ni eht
tset renroc as :swollof
ehT derusaem tupni is eht citemhtira naem
eulav fo eht tupni neewteb eht making and secnailppA yllamron dexif ot a wall era
eht gnikaerb fo eht ,tatsomreht ro neewteb detnuom no eno fo eht walls, as raen ot eht
eht tsehgih and eht tsewol eulav derusaem rehto wall and ot roolf ro gniliec fo eht tset
,ylevitcepser gnidulcxe eht starting tupni renroc as is ylekil ot rucco ni lamron ,esu
tub gnidulcni eht tupni fo eht detaroprocni unless eht rerutcafunam has nevig rehto
,rekam-eci fi .yna snoitcurtsni gninrecnoc rieht .noitallatsni
10.2 tnemecalpeR secnailppA yllamron dexif ot a gniliec era
dexif ot eht gniliec fo eht tset renroc as raen
ecalpeR eht tset noitacificeps yb eht :gniwollof ot eht walls as is ylekil ot rucco ni lamron
ehT tset is edam rednu eht snoitidnoc nevig ,esu dedivorp eht rerutcafunam has ton nevig
ni 10.1. laiceps snoitcurtsni gninrecnoc rieht
.noitallatsni
ehT tnerruc is derusaem nehw etats-ydaets
snoitidnoc era .dehsilbatse ehT ecnailppa is decalp ni a moor -niam
deniat at a erutarepmet fo 32°C ro 43°C
ehT mumixam eulav fo eht tnerruc derusaem
gnidrocca ot its class ( ees 4.5 ) htiw eht
neewteb eht making and gnikaerb fo eht
srood ro lids nepo litnu eht elohw ylbmessa
,tatsomreht gnidulcxe eht starting ,tnerruc
is at moor .erutarepmet
is deredisnoc ot eb eht tnerruc nekat yb eht
.ecnailppa 11.4 tnemecalpeR
epyt-noitprosbA secnailppa and gnitaeh -ele
Additional Subclauses ,stnem fi ,yna era deilppus at a,hcus egatlov
10.101 ehT derusaem tupni fo a gnitsorfed that eht tupni is 1.15 semit eht mumixam detar
metsys shall ton deecxe eht detar tsorfed tupni .tupni
dekram no eht ecnailppa yb erom than 10
,tnecrep nehw hcus gnikram is .nevig 11.5 tnemecalpeR
ecnailpmoC is dekcehc yb gnirusaem eht tupni ehT ecnatsiser fo windings fo epyt-rosserpmoc
fo eht gnitsorfed metsys nehw eht ecnailppa secnailppa is derusaem erofeb eht tset nehw eht
setarepo no ,gnitsorfed at detar .egatlov ecnailppa has dehcaer moor .erutarepmet
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