IS 10242-1-1: Electrical installations in ships, Part 1: General, Section 1: Definitions and general requirements

15 Pages·1997·1.7 MB·English

by  Bureau of Indian Standards

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timely dissemination of this information in an accurate manner to the public.
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IS 10242-1-1 (1997): Electrical installations in ships,
Part 1: General, Section 1: Definitions and general
requirements [ETD 20: Electrical Installation]
“!ान $ एक न’ भारत का +नम-ण”
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“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
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“Knowledge is such a treasure which cannot be stolen”

SI 10242 (Part l/Set 1) : 1997

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Indian Standard
ELECTRICAL INSTALLATIONS IN SHIPS -
SPECIFICATION
PART 1 GENERAL
SECTION 1 DEFINITIONS AND GENERAL REQUIREMENTS
First Revision )
(
ICS 47.020.60 ’ 01.040.47

,
0 BIS 1997
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG
NEW DELHI 110002
July 1997 Price Group 5
lacirtcelE tnempiuqE and snoitallatsnI ni Ships lanoitceS ,eettimmoC TE 26
FOREWORD
sihT naidnI dradnatS tsriF( )noisiveR was detpoda yb eht uaeruB fo naidnI Standards retfa eht tfard
dezilanif yb eht lacirtcelE tnempiuqE and snoitallatsnI ni Ships lanoitceS eettimmoC had neeb devorppa
yb eht lacinhcetortcelE noisiviD .licnuoC
sihT noisiver has neeb nekatrednu ot edulcni eht lanoitanretnI noitnevnoc on safety fo efil at aes )SALOS(
and its stnemdnema as raf as .elbacitcarp
sihT standard traP( x%/l )1 has neeb deraperp ot revoc eht stnemeriuqer rof lacirtcele snoitallatsni ni
gniog-aes ships, gnitaroprocni doog secitcarp and gnitanidro-oc as raf as elbissop gnitsixe .selur sihT
standard, gnola htiw rehto parts, sedivorp a edoc rof lacitcarp noitaterpretni and noitacifilpma fo eht
stnemeriuqer fo ediug rof erutuf snoitaluger hcihw yam eb deraperp and a tnemetats fo ecitcarp rof esu
yb ,srenwo-pihs sredliub-pihs and etairporppa .snoitazinagro
sihT standard traP( x%/l )1 is eno gnoma eht seires fo naidnI Standards no lairtcele noitallatsni ni ships.
sihT seires lliw evah eht gniwollof parts:
.
traP 1 lareneG
traP 2 metsyS ngised
traP 3 tnempiuqE
traP 4 noitallatsnI and tset fo detelpmoc noitallatsni
traP 5 laicepS serutaef
NOTES
1 noitnettA si nward ot eht stnemeriuqer fo eht lanoitanretnI noitnevnoC ehtrof ytefas fo efil at .aes
2 sihT noitces sniatnoc snoitidnoc dna stnemeriuqer hcihw era nommoc ot all sutarappa dna .snoitallatsni

nI eht noitaraperp fo this standard assistance has neeb nekat morf CEI noitacilbuP 92 - 101 lareneG
snoitinifed and lareneg stnemeriuqer issued yb eht lanoitanretnI lacinhcetortcelE .noissimmoC
sihT trap fo eht standard shall eb daer ni noitcnujnoc htiw eht rehto parts denoitnem .evoba
roF eht esoprup fo gnidiced rehtehw a ralucitrap stnemeriuqer fo this standard is deilpmoc ,htiw eht lanif
,eulav devresbo ro detaluclac gnisserpxe eht tluser fo a ,tset shall eb dednuor ffo ecnadxxua,ni htiw SI 2 :
1960 seluR‘ rof gnidnuor ffo laciremun seulav .‘)desiver( ehT rebmun fo tnacifingis secalp deniater ni eht
dednuor ffo eulav dluohs eb eht emas as that fo eht deificeps eulav ni this standard.
SI 10242 ( traP teS/l )1 : 1997
Indian Standard
ELECTRICAL INSTALLATIONS IN SHIPS -
SPECIFICATION
PART 1 GENERAL
SECTION 1 DEFINITIONS AND GENERAL REQUIREMENTS
( First Revision )
1 EPOCS 3.3 laitnessE secivreS
1.1 sihT standard traP( teS/l )1 srevoc eht secivreS hcihw era laitnesse rof eht ,noitagivan
snoitinifed and lareneg stnemeriuqer rof lacirtcele gnireets ro gnirvueonam fo eht ship ro rof eht ytefas
snoitallatsni ni ships. fo human efil ro rof laiceps scitsiretcarahc fo eht
ship rof( ,elpmaxe laiceps .)secivres
2 SECNEREFER
3.4 elbisseccA
2.1 ehT naidnI Standards detsil woleb era
yrassecen stcnujda ot this standard:
3.4.1
Accessible (as Applied to Equipment)
IS No. Title elbisseccA snaem that an tcejbo ro ecived nac eb
2259 : 1963 sdohteM fo tset rof noitanimreted yltnetrevdani dehcuot ro dehcaorppa reraen than a
fo insulating ecnatsiser fo dilos efas ecnatsid yb yna .nosrep tI is deilppa ot stcejbo
insulating slairetam ton ylbatius dedraug ro .detalusni
2824 : 1975 dohteM fo gninimreted eht
3.4.2
Accessible (as Applied to Wiring Methods)
evitarapmoc gnikcart xedni fo
dilos insulating slairetam rednu elbisseccA snaem ton .detcennoc
tsiom snoitidnoc
3.5 yrosseccA
10242 lacirtcelE snoitallatsni ni ships :
traP( teS/S )4 traP 5 laicepS ,serutaef teS 4 vnA ,ecived rehto than a ,erianimul detaicossa htiw
lortnoC and noitatnemurtsni eht gniriw and gnisu-tnerruc ecnailppa fo an -ni

,noitallats rof ,elpmaxe a ,hctiws a ,esuf a ,gulp a
3 SNOITINIFED
,teltuo-tekcos a sredlohpmal ro a noitcnuj .xob
3.0
General
3.6 dnaB
snoitinifed dedulcni ni this noitces era
3.0.1 The
esoht gnivah lareneg noitacilppa ni eseht standards. ehT noitcennoc fo gniyrrac-tnerruc-non parts ot
erusne ytiunitnoc fo lacirtcele noitcennoc ro ot
3.0.2 snoitinifeD gniylppa ot ralucitrap apparatus
ezilauqe eht laitnetop neewteb parts ,gnisirpmoc
ro tnempiuqe era dedulcni ni eht rehto parts fo this
rof ,elpmaxe ruomra ro dael htaehs fo tnecajda
standard.
htgnel fo ,elbac eht ,daehklub ,cte rof ,elpmaxe
3.0.3 ehT gniwollof snoitinifed etacidni eht esnes daehklub and selbac ni a gniviecer-oidar .moor
ni hcihw eht snoisserpxe denifed era desu ni eseht
standards. 3.7 Earth Grounded
3.1 etairpormA ytirohtuA A rotcudnoc detcennoc ot eht lareneg mass fo eht
lluh fo eht ship ni hcus a rennam as lliw erusne at
A latnemnrevog ydob ro/dna noitacifissalc yteicos
all semit an etaidemmi egrahcsid fo lacirtcele
htiw esohw selur a ship is deriuqer ot .ylpmoc
ygrene tuohtiw .regnad
3.2 naecO - gnioG pihS ETON - A rotcudnoc si dias ot eb ’dehtrae-yldilos‘ nehw ti
si yllacirtcele detcennoc ot eht lluh tuohtiw a ,knil-esuf
ynA ship ton ylevisulcxe deyolpme ni eht noitagivan ,hctiws ,rekaerb-tiucric ,rotsiser ro ,ecnadepmi ni eht htrae
fo srevir ro inland .sretaw .noitcennoc
I
SI 10242 ( Part l/See 1) : 1997
3.8 Earth ETON - egatloV ecnarelot si a ydaets etats ecnarelot dna
egatlovsedulcni pord ni selbac dna egatlov rotaluger -carahc
3.8.1
Earth (Ground) .scitsiret It osla sedulcni snoitaiqv eud ot latnemnorivne
lareneg mass fo eht latem lluh fo eht ship. .snoitidnoc
The
3.9 cisaB noitalusnI 3.18.2 Voltage Unbalance Tolerance
noitalusnI deilppa ot evil parts ot edivorp cisab The ecnereffid neewteb eht tsehgih and tsewol
noitcetorp against cirtcele .kcohs esahp ot esahp .egatlov
ETON - cisaB noitalusni seod ton ylirassecen edulcni 3.18.3
Voltage-Cyclic Variation Deviation
noitalusni desu ylevisulcxe rof lanoitcnuf .sesoprup
cidoirep egatlov noitaived mumixam( ot -inim
3.10 yratnemelppuS noitalnsnI The
mum r.m.s. )seulav fo eht lanimon egatlov hcus as
tnednepednI noitalusni deilppa ni noitidda ot cisab
thgim eb desuac yb ylraluger detaeper .gnidaol
noitalusni ni redro ot edivorp noitcetorp against
cirtcele kcohs ni eht tneve fo a eruliaf fo cisab egatloV cilcyC noitairaV =
.noitalusni
xaMU( - UMin) X 001
2
2 U lanimoN
3.11
Double Insulation
noitalusnI gnisirpmoc htob cisab noitalusni and 3.18.4 Voltage Transient
yratnemelppus .noitalusni
neddus egnahc ni egatlov gnidulcxe( )sekips
A
3.12 decrofnieR noitalusnI hcihw seog edistuo eht lanimon egatlov ecnarelot
A elgnis noitalusni metsys deilppa ot evil parts stimil and snruter ot and sniamer edisni eseht stimil
hcihw sedivorp a eerged fo noitcetorp against nihtiw a deificeps yrevocer emit retfa eht noitaitini
cirtcele kcohs tnelaviuqe ot elbuod noitalusni fo eht ecnabrutsid emit( egnar .)sdnoces
rednu eht snoitidnoc deificeps ni eht tnaveler
3.19 mrofevaW
naidnI Standards.
ehT-ETON mret noitalusni“ ”metsys aeod ton ylpmi taht 3.19.1 Total Harmonic Distortion
eht noitalusni llahs .eb eno suoenegomoh .eceip It yam
esirpmoc lareves sreval hcihw tonnac eb detset ylgnis sa The oitar fo eht r.m.s. eulav fo eht ,eudiser retfa
yratnemelppus ro cisab .noitalusni noitanimile fo eht ,latnemadnuf ot eht r.m.s. eulav
fo eht latnemadnuf desserpxe ni .tnecrep
3.13 Live
A rotcudnoc ro tiucric is evil nehw a ecnereffid fo 3.19.2
Single Harmotzic
laitnetop stsixe neewteb ti and .htrae
elgnis cinomrah tnetnoc fo a egatlov si’evaw
The
3.14 noitceS draoB
eht oitar fo eht evitceffe r.m.s. eulav fo that -rah
A raeghctiwS and raeglortnoc ylbmessa rof -lortnoc cinom ot eht r.m.s. eulav fo that cinomrah ot eht
gnil eht ylppus fo lacirtcele rewop ot rehto noitces r.m.s. eulav fo eht latnemadnuf desserpxe ni -rep

sdraob noitubirtsid sdraob ro lanif .stiucric-bus .tnec

3.15 noitubirtsiD draoB
3.20 ycneuqerF
An ylbmessa fo eno ro erom tnerrucrevo evitcetorp
,ecived degnarra rof eht noitubirtsid fo lacirtcele 3.20.1 Frequency Tolerance
rewop ot lanif .stiucric-bus
mumixam erutraped morf lanimon ycneuqerf
The
3.16 laniF tiucriC-buS
gnirud lamron noitarepo snoitidnoc gnidulcxe
noitroP fo a gniriw metsys gnidnetxe dnoyeb eht tneisnart and cilcyc ycneuqerf .snoitairav
lanif tnerrucrevo evitcetorp ecived fo a .draob
ycneuqerF-ETON ecnarelot si a ydaets etats ecnarelot dna
3.17 tnioP nI( )gniriW sedulcni snoitairav desuac yb sdaol dna ronrevog -carahc
scitsiret ti osla sedulcni snoitairav eud ot latnemnorivne
ynA noitanimret fo eht deiif gniriw dednetni rof eht .snoitidnoc
tnemhcatta fo a erianimul ro rof gnitcennoc eht
ylppus a gnisu-tnerruc .ecnailppa 3.20.2 Frequency Cyclic Variation
3.18 egatloV cidoirep noitaived ni ycneuqerf gnirud lamron
The
noitarepo hcus as thgim eb desuac yb ylraluger
3.18.1
Voltage Tolerance
detaeper .gnidaol
ehT mumixam erutraped morf lanimon resu -tlov
,oga gnirud lamron gnitarepo ,snoitidnoc gnidulcxe + )niMf-xaMf( X 001
qneuqerF cilcyc noitairav =
tneisnart and cilcyc egatlov .snoitairav f2 lanimoN
2
IS 10242 ( Part l/Set 1) : 1997
3.20.3 Frequency Transient 3.23.4 Moisture-Resistant Insulating Material
A neddus egnahc ni ycneuqerf hcihw seog edistuo An insulating lairetam is deredisnoc ot eb -siom“
eht ycneuqerf ecnarelot stimil and snruter ot and ”tnatsiser-erut fi noitalusni ecnatsiser fo a
sniamer edisni eseht stimil nihtiw a deificeps nemiceps evitatneserper fo eht lairetam as desu
yrevocer emit retfa noitaitini fo eht ecnabrutsid seod ton liaf woleb a deificeps eulav as a tluser fo
emit( egnar .)sdnoces noisremmi retaw’ni nehw detset as denifed ni 33.3.
nI esac laiceps snoituacerp ni eht mrof fo lacol
3.21 Time noitcetorp rof elpmaxe yb gnihsinrav era yllamron
deyolpme eht tset dluohs eb edam no snemiceps fo
3.21.1 Voltage Transient Recovey Time
eht lairetam detcetorp ni eht emas .rennam
ehT emit despale morf gnideecxe eht lamron
ecnarelot litnu eht egatlov srevocer and sniamer 3.24 secapS
nihtiw eht lamron ecnarelot .stimil
3.24.1
Accommodation Spaces
3.21.2
Frequency Transient Recovery Time
ecapS desu rof cilbup ,secaps ,srodirroc ,seirotaval
ehT emit despale morf gnideecxe eht lamron tenibac ,seciffo werc ,sretrauq rebrab ,spohs -osi
ecnarelot litnu eht ycneuqerf srevocer and sniamer detal seirtnap and ,srekcol and ralimis .secaps
nihtiw eht ycneuqerf ecnarelot .stimil
3.24.2
Cargo Spaces
3.22 ytefaS egatloV
secapS desu rof ograc gnidulcni( diuqil ograc tanks)
A egatlov hcihw seod ton deecxe 35 V at rms
and trunks ot hcus .secaps
ees( etoN )1 neewteb ,srotcudnoc ro neewteb yna
rotcudnoc and ,htrae ni a tiucric hcihw is detalosi 3.24.3
Dangerous Spaces
morf eht ylppus mains yb snaem hcus as a ytefas
secapS erehw elbammalfni ro evisolpxe sag~,ruopav
gnitalosi remrofsnart ro retrevnoc htiw etarapes
ro dust, ro sevisolpxe yam eb yllamron detcepxe ot
windings. egatlovA hcihw seod ton deecxe 35 V cd
.etalumucca
neewteb srotcudnoc ro neewteb yna rotcudnoc and
ni-htrae a tiucric hcihw is detalosi morf eht ylppus
3.24.4
Machinery Space
.snaem
SETON llA secaps gniniatnoc gnilleporp ,yrenihcam
,sreliob lio leuf units, maets and lanretni -submoc
1 noitatimiL ot segatlov rewol naht 53 V ca smr yam eb
deificeps ni eht ralucitrap sdradnats yllaicepse nehw tcerid noit ,senigne srotareneg and rojam lacirtcele
tcatnoc htiw evil strap si .devlovni ,yrenihcam lio gnillif ,gnitaregirfer-snoitats -zilibats
2 egatlovehT timil dluohs ton eb dedeecxe rehtie ta lluf daol ,gni noitalitnev and ria gninoitidnoc ,yrenihcam
ro daol-on tub ti si demussa rof eht esoprup fo siht noitinifed and ralimis secaps gnireets raeg stnenopmoc and
taht yna remrofsnart ro rotrevnoc si detarepo ta sti detar
trunks ot hcus .ecaps
ylppus .egatlov

3.23 Materials 3.24.5 Public Spaces
3.23.1 Arc Resistant Material snoitroP fo eht noitadommocca hcihw era desu yb
A lairetam is said ot eb cra tnatsiser nehw ti is ton cilbup srebmem( fo ,werc ,sregnessap ,)cte hcus as
ylevissecxe degamad yb eht noitca fo eht detaeper halls, ,smoor-gninid ,segnuol and ralimis -rep
scra that yam rucco at its ecafrus rednu lautca ytud yltnenam desolcne .secaps
.snoitidnoc
3.24.6
Service spaces
3.23.2
Flame Retardant Material
secapS hcihw edivorp secivres ot eht werc and pas-
lairetamA is said ot eb emalf tnadrater nehw ti seod
,sregnes hcus as ,syellag main ,seirtnap serots -xe(
ton timsnart emalf and seod ton eunitnoc gninrub
tpec detalosi seirtnap and ,)srekcol liam and eiceps
regnol than deificeps gnirud eht tset denifed ni 33.2.
,smoor ,yrdnual spohskrow rehto than esoht -mrof
3.23.3 Incombustible Material gni trap fo yrenihcam secaps and ralimis secaps and
trunks ot hcus .secaps
A lairetam hcihw rehtien burns ron sevig ffo -malf
ruopavelbam ro gas ni a ytitnauq tneiciffus ot esuac 3.24.7
Main Vertical Zone
snoitingi yb a tolip emalf nehw detaeh ot a -arepmet
erut ni eht doohruobhgien fo 750°C. rednU eht snoitceS otni hcihw eht ,lluh erutcurtsrepus and
snoitidnoc denifed ni 33.1. kced sesuoh era dedivid yb erif gnitsiser sdaehklub
and .skced ehT naem htgnel fo eseht no yna kced
ynA lairetam that seod ton llifluf this noitidnoc is
seod ton ni lareneg deecxe 40 .m
demeed ot eb .elbitsubmoc
3
,
SI 10242 ( traP teS/l )1 : 1997
3.24.8 6 ECNATPECCA FO ROSETUTITSBUS
Machinery Control Room
SEVITANRETLA
secapS erehw yrenihcam rof lortnoc fo
ograc/srotareneg/noisluporp tnemevom ,lortnoc 6.1 erehW ni eseht standards yna laiceps epyt fo
,cte is .detacol apparatus, noitcurtsnoc ro tnemegnarra is
,deificeps eht esu fo yna rehto apparatus, -curtsnoc
3.25 seergeD fo noitcetorP fo serusolcnE
noit ro tnemegnarra is ,elbissimda dedivorp ti is ton
3.251 ehT serusolcne derrefer ot ni eht suoirav less evitceffe and .elbailer
parts fo this standard era esoht as denifed ni eht
tnaveler naidnI Standards gnitaler ot eht -acifissalc elbaT 2 seergeD noitcetorP-fo detacidnI yb eht
noit fo eerged fo noitcetorp dedivorp .serusolcne dnoceS citsiretcarahC laremuN
by
ehT noitangised ot etacidni eht seerged fo -cetorp esualC( )1.52.3
noit stsisnoc fo eht citsiretcarahc srettel PI dewollof
yb owt slaremun eht( citsiretcarahc“ )”slaremun Second Degree of Protection
gnitacidni ytimrofnoc htiw eht snoitidnoc detats ni Chara- 4 I
cterbtic ’
elbaT 1 and 2. Numeral Short snoitinifeD
noitpircseD
elbaT 1 seergeD fo noitcetorP detacidnI yb eht
detcetorp-noN oN laiceps noitcetorp
tsriF citsiretcarahC laremuN
detcetorP tsniaga yrd gnippirD retaw yllacitrev( -llaf
esualC( )1.52.3 gnippird retaw )spordgni llahs evah on lufmrah
.tceffe
First Degree of Protection, detcetorP tsniaga yllacitreV gnippird retaw llahs
citsiretcChara- ’, n 7 gnippird retaw nehw evah on lufmrah tceffe nehw eht
detlit pu ot ”51 erusolcne si detlit ta yna elgna
Numeral trohS snoitinifeD pu ’51 morf sti lamron noitisop
noitpircseD
detcetorP tsniaga retaW gniliaf sa a yarps ta na
detcetorp-noN oN laiceps noitcetorp gniyarps retaw elgna pu ot 06 ’ morf eht lacitrev
detcetorP tsniaga A egral ecafrus fo eht ,ydob llahs evah on lufmrah tceffe
dilos stcejbo retaerg hcus sa dnah~a tub( on -cetorp detcetorP tsniaga retaW dehsalps tsniaga eht
naht 05 mm noit tsniaga etarebiled .)ssecca gnihsalps retaw erusolcne- morf yna noitcerid
diloS stcejbo gnideecxe 05 mm llahs evah on lufmrah tceffe
ni retemaid
detcetorP tsniaga retaW detcetorp yb a elzzon
detcetorP tsniaga sregniF ro ralimis stcejbo ton retaw stej tsniaga eht erusolcne morf yna
dilos stcejbo retaerg gnideecxe 08 mm ni .htgnel noitcerid llahs evah on lufmrah
naht 21 mm diloS stcejbo gnideecxe 21 mm tceffe
in diameter
detcetorP tsniaga retaW morf yvaeh saes ro retaw
detcetorP tsniaga ,slooT ,seriw ,cte fo retemaid ro yvaeh saes detcejorp htiw lufrewop stej
dilos stcejbo retaerg ssenkciht retaerg naht 5.2 .mm llahs ton retne eht erusolcne ni
naht 5.2 mm diloS stcejbo gnideecxe 5.2 mm lufmrah seititnaq
ni retemaid
detcetorP tsniaga eht ssergnI fo retae ni a lufmrah

detcetorP tsniaga seriW ro spirts fo ssenkciht tceffe fo snoisremmi ytitnauq llahs ton eb elbissop
dilos tcejbo retaerg retaerg naht 1 mm ni retemaid nehw eht erusolcne si desremmi
naht 1 mm ni- retaw rednu denifed -idnoc
detcetorp-tsuD ssergnI fo tsud si ton yllatot snoit fo erusserp dna emit
detneverp tub tsud seod ton detcetorP tsniaga ehT tnempiuqe si elbatius rof
retne ni tneiciffus ytitnauq ot noisrembus suounitnoc noisrembus ni
erefretni htiw yrotcafsitas retaw rednu snoitidnoc hcihw
noitarepo fo eht tnempiuqe llahs eb deificeps yb eht
thgir-tsuD oN ssergni fo tsud rerutcafunam
ETON - yllamroN siht lliw
4 PIHSNAMKROW AND LAIRETAM naem taht eht tnempiuqe si -reh
yllacitem .delaes revewoH htiw
4.1 dooG pihsnamkrow and etauqeda lairetam era niatrec sepyt fo tnempiuqe ti
nac naem taht retaw nac retne
laitnesse stnemeriuqer rof ecnailpmoc htiw eseht
tub ylno ni hcus a rennam taht
standards.
ti secudorp on lufmrah stceffe
5 YTILIBACILPPA FO EHT SDRADNATS OT
AC AND DC 7 NOISIVORP FO MAXIMUM DAOL
7.1 llA ,srotcudnoc raeghctiws and seirossecca
5.1 tpecxE erehw a cificeps tnemetats is edam ot
shall eb fo hcus ezis as ot eb elbapac fo ,gniyrrac
eht ,yrartnoc all standards era yllauqe elbacilppa ni
tuohtiw rieht evitcepser ratings gnieb ,dedeecxe eht
ca and cd ,noitallatsni up ot and gnidulcni 1000 V.
4
IS 10242 ( Part l/Set 1) : 1997
tnerruc hcihw nac yllamron wolf hguorht .meht tnenamreP efil - 15”
yehT shall eb elbapac fo gniyrrac detapicitna -revo gnilloR + 22.5 a
sdaol and tneisnart ,stnerruc rof ,elpmaxe eht -trats mirT ”5-
gni stnerruc fo ,srotom tuohtiw yrujni ro gnihcaer hctiP + 10”
eudnu .erutarepmet
ycnegremE noitallatsni shall ni noitidda etarepo
8 SNOITIDDA AND SNOITARETLA nehJriylirotcafsitaS eht ship is denilcni 22.5” ro/dna
8.1 An noitidda ro ,noitaretla yraropmet ro -rep nehw eht mirt fo eht ship is 10”.
,tnenam shall ton eb edam ot an gnitsixe installa-
noit litnu ti has neeb yletinifed deniatrecsa that eht 11 MATERIALS
ratings and eht noitidnoc fo eht gnitsixe -secca
,seiros ,srotcudnoc ,raeghctiws ,cte detceffa era 11.1 Material and Finish
etauqeda rof eht wen .noitautis
lairetaM and hsinif fo tnempiuqe shall eb hcus that
laicepS noitnetta is drawn ot srotcaf gnitceffa eht
yeht withstand eniram erehpsomta rednu hcihw
gnitsixe metsys ngised hcus as gniyrrac-tnerruc
yeht evah ot .etarepo
,yticapac tiucric-trohs ,level egatlov pord and
reporp noitanimircsid fo eht evitcetorp .ecived 11.1.1 nI lareneg all lacirtcele tnempiuqe shall eb
detcurtsnoc fo ,elbarud ,tnadrater-emalf erutsiom -
9 TNEIBMA AIR AND GNILOOC RETAW
tnatsiser slairetam hcihw era ton tcejbus ni
SERUTAREPMET
noitaroireted ni eht erehpsomta and eht -arepmet
9.0 Unless detats esiwrehto rof eht esoprup fo erut ot ,hcihw yeht era ylekil ot eb .desopxe
eseht standards; eht gniwollof serutarepmet era
assumed. 12 POWER SUPPLY SYSTEM
9.1 roF all gniog-naecco ship a erutarepmet fo CHARACTERISITICS
tneibma ria ro g-nilooc retaw as :swollof
a> 12.1 General
a yramirp gnilooc retaw ylppus 0 ot 30°C ;
b) an tneibma ria erutarepmet 45°C rof all
Unless esiwrehto detats ni rehto parts tnempiuqe
tnempiuqe tpecxe senihcam detacol ni
shall noitcnuf nehw deilppus morf lareneg -ubirtsid
yrenihcam ,secaps and rof all tnempiuqe
noit smetsys htiw eud drager ot egatlov and -erf
detacol ni ,syellag ro no rehtaew skced ;
ycneuq snoitairav cinomrah noitrotsid and
C> an tneibma ria erutarepmet fo 50°C rof
detcudnoc .secnabrutsid ehT scitsiretcarahc fo
senihcam detacol ni yrenihcam secaps ; and lareneg noitubirtsid smetsys era nevig ni eht -wollof
4 an tneibma ria erutarepmet fo 40°C rof gni .esualcbus
tnempiuqe detacol ni all rehto .secaps
NOTES
9.2 roF slessev hcus as ,sretsaoc seirref and -rah 1 erehW eht rewop ylppus si deniatbo morf eht erohs eud
ruob ,tfarc all dednetni ylelos rof esu ni nrehtron ro drager dluohs eb diap ot eht tceffe taht eht ytilauq fo eht
ylppus fi tnereffid morf taht deificeps ni siht esualc yam evah
nrehtuos sretaw edistuo eht laciport tleb ; an -ma
no eht ecnamrofrep fo .tnempiuqe
tneib ria erutarepmet fo 40°C and a erutarepmet fo
2 roF smetsys erehw srotcudnocimes era detcennoc
yramirp gnilooc retaw ylppus fo 25°C.
gnivah a latot metsys ,gnitar hcihw si a tnacifingis noitrop fo
eht latot metsys ,gnitar ti yam eb elbisaef ot sserppus eht
9.3 erehW esrevda and unusual stneibma era -xe
.scinomrah noitaredisnoC dluohs eb nevig ot ekat -pa
detcep ot ,tsixe laiceps noitaredisnoc dluohs eb
etairporp serusaem ot etaunetta eseht stceffe fo eht -ubirtsid
.nevig noit metsys os taht efas noitarepo si .derussa eraC dluohs eb
nekat ni gnitceles sremusnoc deilppus morf na cirtcele ylppus
ETON - nI eht evoba ,esualc eht mret tneibma“ ”ria srefer
metsys htiw a rehgih cinomrah tnetnoc taht deificeps ni siht
ot eht ria elbisnopser rof gnitapissid eht taeh sessol morf eht
.esualc
tnempiuqe ro selbac .denrecnoc sihT tneibma ria yam eb ni
eht esac fo a detalitnev enihcam eht ria nward ni aiv eht 3 lacirtcelE tnempiuqe hcihw seriuqer a rehgih ytilauq
gnilooc tnev fo ni eht esac fo selbac eht ylevitarapmoc llits ria rewop ylppus yam deen lanoitidda snoisivorp ot eb edam
gnidnuorrus eht .selbac .yllacol erehW lanoitidda tnempiuqe si dettif ot eveihca siht
rehgih ytilauq rewop ylppus ti yam eb deriuqer ot eht -ilpud
~l.4 roF tnempiuqe rof lortnoc and -nemurtsni detac dna detagerges ot eht emas eerged sa eht lacirtcele
,noitat eht tneibma erutarepmet snoitidnoc evah tnempiuqe ti .seilppus
neeb deificeps ni SI 10242 traP( ceS/)S 4. 4 laicepS noitnetta dluohs eb diap ot eht noitallatsni fo
lacirtcele tnempiuqe hcihw yam ecneulfni eht ytilauq fo
10 NOITANILCNI FO PIIIS rewop ylppus no lacol sisab ro tcaer htiw yna scinomrah
tneserp no eht lareneg noitubirtsid .metsys
10.1 llA lacirtcele tnempiuqe shall etarepo
5 elbairaV egatlov/ycneuqerf smetsys yam eb elbissimda
ylirotcafsitas rednu all snoitidnoc htiw eht ship at
dedivorp efas noitarepo fo eht metsys si derussa dna taht
eht gniwollof snoitanilcni morf eht :lamron tnempiuqe si ylbatius detar rof eht detcepxe .snoitairav
5