BRITISH STANDARD BS EN 721 2004 Leisure accommodation vehicles — Safety ventilation requirements The European Standard EN 721 2004 has the status of a British Standard ICS 43 040 60; 43 100 ?? ? ?????[.]
Trang 1The Eur opean Stand rd EN 72 :20 4 has the status of a
BritishStand rd
ICS 4 0 0.6 ; 4 1 0
Trang 2Th is Br itish Stan ard was
publshed u der the authority
of the St an ards Polcy an
Strate y Commite on
1 J n ary2 0
© BSI 1 J n ary 2 0
This British Stand r d is the oficial Eng lish language v er ion of EN72 :20 4
It super sed es BS EN 72 :19 9 which is withdrawn
The UK p rticip tion in its prep ration was entrusted to Technical Commit e
B/51 , Bui ding s, mobie and temporary, which has the responsibi ty to:
A l st of org anizations represented on this commit e can be obtained on
request to its sec etary
The British Stand rds which implement international or Eur opean
publ cations refer ed to in this document ma be fou d in the B SI Ca ta logue
u der the section entitled “ International Stand rds Cor espondence Index”,or
b using the “ Sear h” faci ty of the B SI Ele tr onic Ca ta l ogue or of
BritishStand ards Onlne
Th is publ cation d oes not purport to in clud e al the neces ary provisions of a
contract User are responsible for its cor ect a plcation
Com pl a nc with a British Standard do s not ofitself c nfer im munity
f om leg al obl g ations
— aid enq uir er to u der tan d the tex t;
— present to the responsible international/European commit e any
enquiries on the interpretation , or proposals for change, and ke p the
UK interests informed ;
— monitor r elated inter national and European dev elopments an d
promulg ate them in the UK
Sum m ary ofpag es
This document comprises a font cover,an insid e f ont cover,th e EN title p g e,
p g es 2 to 10, an inside b ck cov er and a b ck cov er
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Trang 3N ORM E EU ROPÉEN N E
Se temb r 2 0
En ls ver sion
r equir ements
Vé ic le h bita le d loisirs - Exig n e d v ntiatio
d s c rité
Bew oh b r e Fr eiz ita r ze g - A nfor der un e a die
Sic er heitslüfu g
This Eur op a Sta d r d wa a pr ov d b CEN o 9 July 2 0
CEN memb r s ar e b u d to c mply with th CEN/CENELEC Intern l Re ulatio s whic stip late th c n itio s for givin this Eur op a
Sta d r d th statu of a n tio al sta d r d w ith ut a y alter atio Up-o-d te lsts a d biblo r ap ic l refer en e c n er nin s c n tio al
sta d rd ma b o tain d o a plc tio to th Ce tr al Se retariat or to a y CEN memb r
This Eur op a Sta d r d e ists in thre oficial v r sio s (En ls ,Fr en h, Germa ) A v r sio in a y oth r la g a e ma e b tr an latio
u d r th re p n ibi ty of a CEN memb r into its ow n la g a e a d n tifie to th Ce tral Se r etariat h s th s me statu a th oficial
v r sio s
CEN memb r s ar e th n tio al sta d rd b die of A ustria, Belgium, Cy r us, Cz c Re u lc,De mar k , Esto ia, Finla d,Fra c ,
Ger ma y, Gre c , Hu g r y,Ic la d, Ir ela d,Italy, L tvia, Lith a ia, L x mb ur g,Malta,Neth rla d , Nor wa ,Pola d, Portu al Slo akia,
Slov enia,Sp in, Sw ed n, Switz r l n a d Unite K in d m
E U R OPE A N COMMI T TE E FOR STA N DA R DIZ A T I ON
COMIT EUROPÉ N DE N RMALISATION
EUROPÄISCHES KOMIT E FÜR NORMUN
Management Cente: rue de Sta s r, 3 B-10 0 Brus els
© 2 0 CEN Al rig ts of e ploitatio in a y form a d b a y me n r es r ve
w or l wid for CEN n tio al Memb r s
Ref.No EN 7 1:2 0 : E
Trang 4Cont ent s
pa e
Foreword .3
1 Sco e 4
2 Norma v refere c s 4
3 Terms a d d finit ion 4
4 R eq ireme t s .5
4.1 Ge eral 5
4.2 In re s of prod ct s of combu t ion 5
4.3 Avoid n e of o st ru t ion 7
4.4 Ven lat or gri e 7
5 Minimum fre are of s fet y v n la on, by c lc lation .7
5.1 Ge eral 7
5.2 Size of v n la on o e in s in h bit at ion compartme t s 7
5.2.1 Habit at ion compart me t s cont ainin non- room- se le ap l a c s 7
5.2.2 Habitation compartme t s gre ter t ha 10 m 2 flo r are 8
5.2.3 Oth r h bit at ion compartme t s .8
6 Te t i g .8
6.1 Prepara on 8
6.2 Proc d re .8
6.3 Te t rep rt 9
7 Us r's h n b ok 9
Ann x A (norma v ) W arnin not i e 10
Trang 5Foreword
This doc ment (EN 7 1:2 0 ) has b en pre ared by Tec nical Commit t ee CEN/TC 2 5 “L is ure
accommodatio n v hicles ”, the secret ariat of whic is held by BSI
This Euro e n St an ard s al b given t he st atu of a nat ional st an ard, eit her by publcat ion of an
ident ical tex t or by en orsemen at he latest by Marc 2 0 , an conflct in national st an ard s al
b w it hdraw n at t he lat est by Marc 2 0
This Euro e n St an ard s p rsedes EN 7 1:19 8 “L is ure accommodatio v hicle — Safety
v ntiatio n requ ireme ts”
Accordin t o t he CEN/CENELEC Internal R eg lat ion , t he nat ional st an ard organizat ion of t he
folow in cou t ries are b u d t o implement t his Euro e n St an ard: Aust ria, Belgium, Cypru , Czec
R epublc, Denmark, Est onia, Finlan , Fran e, German , Gre ce, Hu gar y, Icelan , Irelan , It aly,
L tv ia, Lith ania, Lux emb urg, Malt a, Net herlan s, Norw ay, Polan , Portu al, Slov akia, Slov enia,
Sp in, Sw eden, Sw itzer lan an Unit ed K in dom
Trang 61 Scope
This doc ment sp cifies the minimum safety v ent ilat ion req ir ement s for leis re ac ommodat ion
v ehicles
It prov ides alt ernat iv e met hod of calc lat ion or test in of safety v ent ilation
The folowin referen ed doc ment s are in isp n a le for t he a plcation of t his doc men F r dated
referen es, only the edition cit ed a ples For u dated referen es, t he lat est edit ion of t he referen ed
doc ment in lu in an amen ment s) a ples
EN 6 4:2 0 , Specificatio fo r dedicated LPG a pla ces — Ro m-s ealed LPG s pace h atin
eq u ipme t fo r ins talatio in v hicle a d b ats
EN 13 7 :2 0 , L is ure ac commodatio v hicle — Terms a d definitio ns
3 Terms and definit ions
For t he purp ses of t his doc men t he terms an definit ion giv en in EN 13 7 :2 0 an the
folow in a ply
3.1
ov ral pla are
t he ov eral plan are is me s red as folows:
a) Caravan Ov eral w idt h mult ipled by ov eral len t h ex clu in towbar;
b) Mot or caravan Overal w idt h, ex clu in dr ivin mirors, mult ipled by ov eral len t h Where t he
ac ommodat ion sect ion is demou t able, the ov eral plan are is t he overal len th of t he
demou t able sect ion mult ipled by the overal widt h;
c) Caravan holday home Ov eral widt h mult ipled by ov eral len t h ex clu in towb r When a
carav an holday home comprises more t han one elemen t he ov eral plan are is t he s m of t he
are s of t he se arate element s b fore they are joined t ogether
3.2
mod l
a leis re ac ommodat ion vehicle is con idered to b a diferent model fom t he t est ed model if an of
t he folow in a ply:
a) t he ex t erior size an /or s a e of t he b d is alt ered or in t he case of a mot or carav an a diferent
b se v ehicle is u ed;
b) t he co kin a plan es are sit uated more t han 3 0 mm fom, an /or hav e more burners t han, t he
t est ed model an / or an other non ro m se led a plan e is of a diferent yp or p sition;
c) an p rmanent v ent ilation o enin in t he ex t ernal s el of t he v ehicle is of a diferent typ or
sit uated more t han 3 0 mm fom it s p sit ion in t he t est ed model an / or t her e is con eq ent
o st ru t ion of an v entiat ion o enin ;
d) t he internal v olume of t he leis re ac ommodat ion vehicle, ex clu in furnit ure, difers by more
t han 10 %
Trang 74 R equirement s
Eac ha it able comp rt men ex clu in toiet s an b thro ms, s al b pr ovided w it h safety
v ent ilation A ha ita le comp rtment t hat in lu es a p rt that can b t emp rariy se ar at ed by a
c rt ain s al b con idered as a sin le comp rtmen
The v entiat ion s al p rmit :
a) renewal of air for oc up nts;
b) s p ly of combu t ion air for a plan es t hat are not r oom-se led; an
c) ev ac at ion of t he prod ct s of combu t ion for a plan es t hat are not ro m-se led
This req irement s al b con idered fulfi ed if, for e c model (se 3.2):
1) t he minimum fe are of safety v entiat ion is prov ided, in ac ordan e w it h clau e 5; or
2) t he CO
2 cont ent of t he air w it hin the ha it able comp rtment s of t he leis re ac ommodat ion
v ehicle do s not rise by more t han 1 % a solut e a ov e t he b c grou d lev el, when t est ed in
ac ordan e w ith clau e 6 by an in e en ent test hou e, an a p rmanent la el is afix ed
adjacent o t he co ker (se an e A)
If when the v ehic le is in mot ion the fe are of v ent ilat ion is red ced, then as the v ehicle b comes
st at ionary t he v entiat ors s al aut omat icaly ret urn t o t he p sit ion in w hic t he fe are of safety
v ent ilation w as calc lated in ac ordan e w ith clau e 5 or t est ed in ac ordan e with clau e 6
4.2 Ingres of products of combust ion
Flue t erminals s al b sit ed in ac ordan e w it h t he a plan e man fact urer's in t ru t ion prefera ly
on t he ro f or in t he wal of t he v ehicle
Where nat ional legislation (se an e A of EN 6 4:2 0 ) do s not forbid that t he flue of an a plan e
is desig ed t o dis harge t hrou h t he flo r, precaution s al b taken t o prev ent in res of t he
prod ct s of combu t ion into t he ha it at ion are t hrou h ventiat ion o enin s in the flo r The t erminal
s al b p sitioned as close as p s ible to t he sides or re r of t he v ehicle
NOT E If t here are u d rflo r flu termin ls it is re omme d d t hat low lev el v ent ilat io o e in s are
p sit io e in the sid of the v ehicle a d n t in t he flo r
Where t he u derlo r are is div ided int o dist in t c an els t hat project b low the flo r, e.g by c as is
memb rs or flo r b arers, t here s al b no ventiat ion o enin s in the same c an el as an flue
out let
Flue t erminals s al not b p sitioned w it hin 5 0 mm of a refuel n p int or uel t an bre t her outlet or
an ventiat or fom t he fuel s stem(s)
Flue t erminals p sitioned on a wal or a ro f (ex e t for gas a plan es of not more t han 3 g/h LPG
con umpt ion) s al not b fit t ed w it hin 3 0 mm of a v ent ilat or for t he lvin sp ce or an o enin p rt of
a win ow
Trang 8K ey
1 V entiat or
2 Prohibit ed zone
l = 3 0 mm
Fig re 1 — Prohibit ed zone for dis h rge o e in s for t he prod ct s of combu t ion in rela on
t o v n lat ors
Where t he flue terminal of an a plan e (ex ce t for gas a plan es of not more t han 3 g/ h LPG
con umpt ion) is p sitioned v ert icaly b low an o enin p rt of a w in ow, t he a plan e s al b fit t ed
w it h an aut omat ic s ut -of device t o prevent o er at ion w hen t he w in ow is o en
K ey
2 Prohibit ed zone
3 Flo r
l = 3 0 mm
Fig re 2 — Prohibit ed zone for dis h rge o e in s for t he prod ct s of combu t ion in rela on
t o windows
Trang 94.3 Av oida c of obst ruc ons
V entiat ion o enin s s al b p sit ioned so t hat t hey can ot b made inefect iv e by dra es, c rt ain
or ot her o st ru t ion
If t he v ent ilation is pr ovided t o t he interior t hrou h a c p o rd, b d b x or simiar sp ce, it s al not b
p s ible for t he p s age of air t o b o st ru t ed inadv er t ently e.g by items st ored in t hese sp ces
4.4 Venti ator gri es
The v ent ilation o enin s s al b protect ed by a gri e t hat s al b ac es ible for cle nin Ac es
may b gained by t he u e of a simple t ool, e.g a s rew driver
5 Minimum f ee area of safet y vent ilat ion, by calculat ion
All gri es (se 4.4) s al b ac ou t ed for w hen prov idin t he minimum fe are of safety v entiat ion
When t he hig lev el ventiat ion is not prov ided by ro f v ent s, t he minimum hig lev el v entiat ion are
s al b tw ice the v alues s own for ro f v ent s in Ta le 1 The hig lev el v entiat ion o enin s, w hic
are not ro f v ent s, s al b not les t han 1 8 0 mm fom t he int erior flo r lev el of t he leis re
ac ommodat ion vehicle, an in no case les t han 3 0 mm a ove the up er s race of t he
u compres ed mat t res of t he hig est sle pin b rt h
A combinat ion of ro f an w al v ent s are ac e ta le To calc late t he level of v ent ilation req ired,
s bt ract t he lev el of v entiation giv en by t he ro f v ent fom t he t ot al r eq ired Multiply t he remain er by
t w o t o giv e t he lev el of ventiat ion req ired of t he w al vent s
L w lev el ventiat ion o enin s s al b not more t han 10 mm a ov e the int erior flo r lev el
5.2 Sizes of venti a on ope ings in ha itation compart ments
5.2.1 Habita on compart me t s cont aining non-ro m-s ale ap la c s
V entiat ion o enin s s al conform t o Ta le 1
Table 1 — Minimum size of v n la on o e in s in habit at ion compart me ts cont ainin
non- ro m- se le ap la c s
Ov ral pla are of leis re
a commodation v hicle
m
2
Minimum hig le el
v n la on (R oof v nts)
mm 2
Minimum low le el
v n la on
mm 2
Trang 10Ha it ation comp rtment s gre t er t han 10 m
2
flo r are , me s red fom wal to w al, not cont ainin
non-o m-se led a plan es s al have a minimum of 7 5 0 mm
2
of safety v ent ilat ion at hig lev el, or
15 0 0 mm
2
if not by a ro f v ent as wel as 1 0 0 mm
2
at low level
5.2.3 Oth r h bit ation compartme ts
All ha it ation comp rt ments not havin a non-o m-se led a plan e in t aled, ex clu in t oiet s an
b t hro ms, s al have a minimum of 1 5 0 mm
2
of safety v entiation in t aled at hig level, or
3 0 0 mm
2
if not by a ro f ven as wel as 5 0 mm
2
at low level
6 Test ing
6.1.1 Carr y out t he t est in a calm at mosphere w it h an ambient ext ernal temp rat ure of (2 ± 5) °C
6.1.2 Me s re the b c grou d lev el of CO
2
in t he t est ar ea at a dist an e of 1 0 0 mm fom t he t est
v ehicle
6.1.3 Sh t al win ows, do rs an man aly closa le ventiat ors an ke p closed d rin t he t est
p riod Op n se arat in c rt ain
Place b rth in t he sle pin p sit ion
Close adju t able ventiat ors t o t heir minimum p sit ion Hermet icaly se l the p s age of al
in t rument at ion services
Swit ch of al mec anical vent ilation s st ems
6.2 Proc dure
6.2.1 Me s re the CO
2 lev el in the leis re ac ommodat ion v ehicle comp rt ment s with a calbrat ed
a p rat us Test al comp rt ment s con urent ly
6.2.2 If a LPG refigerat or is fit t d, o erate t he refigerator on LPG at it s max imum set t in t ogether
w it h an other non-o m-se led a plan es, ex ce t gr ils, co kers or ov en
6.2.3 To simulat e oc up t ion of t he comp rtment s, an to int rod ce a safety factor t o cover
p s ible ex t ra oc up nt s an ex t en ed u e of an u at t en ed co kin a plan e, int rod ce a CO
2
prod cin burner fueled by pro ane The out put W
p
of t he burner s al b adju t ed u in t he folowin
formula:
W =1,2× 0,1× + 0,1×
P
(1)
w here:
W
p
is t he output of t he burner, in kiowat t s
P is t he n mb r of st an ard b rt hs an ad itional b rth prov ided by t he man fac t urer in t he
ro m t o b t est ed
N is t he t ot al n mb r of burners of al gri s, co kers an ov en within t he ro m(s) t o b test ed
L cat e the CO
2 prod cin burner a prox imat ely 2 0 mm a ov e flo r level an t ake samples of t he
at mosphere a prox imat ely 2 0 mm b low the cei n at a out t he cent r e of t he comp rtmen wher e a
v ent ilation o enin is not lkely t o hav e an u d e influen e, an not direct ly a ove t he burner