1、Specification for installation and maintenance of gas-fired water-heating appliances of rated input not exceeding 70 kW netBS 5546:null0null0BS 5546:2010 BRITISH STANDARDnullunulllishing and copnullright informationThe BSI copyright notice displayed in this docnullnullent indicates nullhen the docnu
2、llnullent nullas last issnullednullnull BSI 2010ISBN nullnullnull 0 5null0 5null050 4InullS null1null140null65The nullollonulling BSI renullerences relate to the nullornull on this standard: nullonullnullittee renullerence nullSnullnullnull0 Dranullt nullor conullnullent 0nullnullnull0166542 Dnullnu
3、llunulllication histornullnullirst pnullnulllishednull as nullnull nullnullnullnull1null Septenullnuller 1null4nullSecond editionnull nullay 1null64Third editionnull as BS 5546null nullctonuller 1nullnullnullnullonullrth editionnull nullay 1nullnull0nullinullth editionnull nullctonuller 2000Sinullth
4、 nullpresentnull editionnull nullnullne 2010nullmendments issued since punulllicationnullate nullext affected null BSI 2010 null iBS 5546:2010BRITISH STANDARDnullontentsnullorenullord iiinull Scope 1null Nornullatinulle renullerences 1null Ternulls and denullnitions 34 nullonullpetence 65 Selection
5、onull enullnullipnullent and prenullinstallation 76 Installation and location onull nullaternullheating appliances nullgeneralnull 117 Installation and location onull nullaternullheating appliances nullcondensingnull 44null nullostnullinstallation 55Binullliography 59nullist of figuresnullignullre 1
6、 null nullircnulllator installation in cylindernullairing cnullpnulloard 17nullignullre 2 null nullnullanullple onull a cistern connullornulling to 6nullnullnull1null1 22nullignullre null null nullnullanullples shonulling the clear space needed anullonulle storage cisterns 23nullignullre 4 null Typi
7、cal large instantaneonulls nullaternullheating appliance installation on cistern snullpply 28nullignullre 5 null nullnullanullple onull an indirect nullnnullented nullnullented prinullarynullstorage systenull 30nullignullre 6 null nullnullanullple onull direct circnulllating systenull 33nullignullre
8、 null null Tenullporary and pernullanent connections to a prinullary circnullit 35nullignullre null null nullnullanullple onull indirect circnulllating systenull 37nullignullre null null nullonnection onull condensate drainage pipe to soil and nullent stacnull 49nullignullre 10anull null nullonnecti
9、on onull a condensate drainage pipe donullnstreanullonull a sinnullnull nullasinnull nullath or shonuller nullaste trap 51nullignullre 10nullnull null nullonnection onull a condensate drainage pipe nullpstreanull onulla sinnullnull nullasinnull nullath or shonuller nullaste trap 52nullignullre 11 nu
10、ll nullnullternal ternullination onull condensate drainage pipe 53nullignullre 12 null nullnullanullple onull a pnullrposenullnullade soanullanullay 54nullist of tanulllesTanullle 1 null Appronullal nullodies and statnulltory regnulllations nully conullntrynullterritory 7Tanullle 2 null nullanullinu
11、llnullnull lengths onull nullninsnulllated hot nullater pipes 24Tanullle null null nullertical distance nulletnulleen dranullnullonullnull tap and spillonuller lenullel 25Summarnull of pagesThis docnullnullent conullprises a nullront conullernull an inside nullront conullernull pages i to inullnull
12、pages 1 to 62null an inside nullacnull conuller and a nullacnull conullernullBS 5546:2010ii null null BSI 2010BRITISH STANDARDThis page deliberately left blanknull BSI 2010 null iiiBS 5546:2010BRITISH STANDARDnullorewordnullunulllishing informationThis British Standard is pnullnulllished nully BSI a
13、nd canulle into enullnullect on null0 nullnullne 2010null It nullas prepared nully Technical nullonullnullittee nullSnullnullnull0null Gas installations (1st, 2nd and 3rd fanullily gasesnullnull A list onull organinullations represented on this conullnullittee can nulle onulltained on renullnullest
14、to its secretarynullSupersessionThis British Standard snullpersedes BS 5546:2000nullA1:2005null nullhich is nullithdranullnnullnullnformation anullout this documentThe strnullctnullre nullollonulls the approach nullsed in other gas installation standardsnull Renullnullirenullentsnull nullith corresp
15、onding conullnullentary and reconullnullendationsnull conuller enullnullipnullent selection and prenullinstallationnullinstallation and postnullinstallationnull to nullhich nullaintenance has nulleen added as a specinullc detailnullIn line nullith BS 5440null1null this renullision has acnullnonullle
16、dged that nullnullropean nullornull on chinullney standards has nullronullght anullonullt the need in British Standards to redenullne chinullney concepts and adopt conullnullon ternullinology consistent nullith the range onull prodnullcts nullsed across the nullhole nullnullropean conullnullnullnity
17、 nullthe general renullnullirenullents nullor nullhich are ginullen in BS nullN 144nullnull nullhere a chinullney is treated as a strnullctnullre containing a nullnulle nullthe passagenullaynull and nullight inclnullde a liner nullinner nullallnullnull insnulllation and an onullter nullallnull The c
18、onullnullon ternullinology in nullnull indnullstrynull nullhich has regarded a chinullney as a nullasonry strnullctnullre generally associated nullith solid nullnullel appliancesnull has nulleen snullpersedednullThe renullnullirenullents onull this specinullcation are snullpported nully reconullnull
19、endationsnull To conullply nullith this specinullcationnull it is necessary to conullply nullith all its renullnullirenullentsnull The operatinulle nullay depart nullronullreconullnullendationsnull nullnullt nullonullld nulle enullpected to hanulle good reasons nullor doing sonullThis standard allon
20、ulls nullannullnullactnullrersnull instrnullctions to specinully a nullethod onull installationnull testingnull conullnullissioning or nullaintenance nullhich dinullnullers in points onull detail nullronull this standardnull This renullerence to nullannullnullactnullrersnullinstrnullctions is allonu
21、lled only nullhere it nullill resnulllt in at least an enullnullinullalent lenullel onull sanulletynull In snullch circnullnullstancesnull it is inullportant that the nullannullnullactnullrernulls instrnullctions are nullollonullednullnullresentational connullentionsThe pronullisions onull this stan
22、dard are presented in ronullan nullinullenull nullprightnulltypenull Its renullnullirenullents are enullpressed in sentences in nullhich the principal anullnulliliary nullernull is nullshallnullnullnullonullnullentary, enullplanation and general infornullatinulle nullaterial is presented in snullall
23、er italinull type, and does not nullonstitnullte a nornullatinulle elenullentnullnullontractual and legal considerationsThis pnullnulllication does not pnullrport to inclnullde all the necessary pronullisions onull a contractnull nullsers are responsinullle nullor its correct applicationnullnullompl
24、iance with a British Standard cannot confer immunitnull from legal onullligationsnullBS 5546:2010inull null null BSI 2010BRITISH STANDARDAttention is dranulln to the nullollonulling statnulltory regnulllations:null The nullas Sanullety nullInstallation and nullsenull Regnulllations 1nullnullnull nul
25、l1nullnullnull The Bnullilding Regnulllations 2000 nullnullor nullngland and nullalesnullnull as anullended null2nullnullnull The Bnullilding nullAnullendnullentnull Regnulllations nullNorthern Irelandnull 2010 nullnullnullnullnull The Bnullilding nullScotlandnull Regnulllations 2004null as anullend
26、ed null4nullnullnull The Bnullilding Regnulllations 200null nullnullor the Isle onull nullannull null5nullnullIn this docnullnullentnull the nullollonulling national regnulllations are renullerred to as the nullnullater nullittings Regnulllations null6nullnull:null The nullater Snullpply nullnullate
27、r nullittingsnull Regnulllations 1nullnullnullnull in nullngland nullnullalesnullnull The nullater Byelanulls 2004 nullScotlandnullnull in Scotlandnullnull The nullater Snullpply nullnullater nullittingsnull Regnulllations nullNorthern Irelandnull200nullnull in Northern Irelandnullnull BSI 2010 null
28、 1BS 5546:2010BRITISH STANDARDnull ScopeThis British Standard specinulles renullnullirenullents nullor the selectionnullinstallationnull inspectionnull conullnullissioning and nullaintenance onull gasnullnullred nullaternullheating appliancesnull nullhich hanulle a rated heat inpnullt not enullceedi
29、ng null0 nullnullnull nullased on net calorinullc nullalnullenullIt applies to nullaternullheating appliances nulltilinulling 1stnull 2nd or nullrd nullanullily gases designed to operate in the condensing or nonnullcondensing nullode nullor the snullpply onull hot nullater nullor donullestic pnullrp
30、oses in donullestic dnullellings or donullestic dnullellings in conullnullercial prenullisesnullThis standard does not apply to:anull nullaternullheating appliances nullith a rated inpnullt onull onuller null0 nullnullnullnullnull hot nullater snullpply systenulls in nullnullltiple dnullellings snul
31、lpplied nullronull a central sonullrcenullnullnullTnull 1 Gronullps of nullaternullheating appliannulles nullith indinullidnullal ratings of less than 70 knull bnullt nullith a nullanullinullnullnull aggregate inpnullt of 70 knullnullay be installed to this nulltandard bnullt spenullialist adnullinu
32、lle on the systenulldesign, installation and nullontrol needs to be sonullght fronull the appliannulle nullannullfanulltnullrernullIt does not conuller the detailed design and installation onull the nullhole hot nullater distrinullnulltion systenullnull nullhich nullas specinulled in BS 544nullnulln
33、ullnullTnull 2 nullith the pnullblinullation of nullnull 12828, nullnull 12831 and nullnull 14336, nullnull 5449 has been nullithdranullnnull These nullnullropean standards, nullhinullh hanulle nonull been adopted as nullritish nulltandards, are not aligned to nullnull design and installation pranul
34、ltinullesnull they nullonuller nullonullnullernullial as nullell as donullestinull heating systenulls and enullnulllnullde hot nullaternull nullonsenullnullently, they hanulle been anullended to innulllnullde national annenulles nullonullering all the relenullant nullaterial fronull nullnull 5449nul
35、lThis standard applies to nullaternullheating appliances nullhich carry a nullnull nullarnull and also to prenullionullsly nullsed nullaternullheating appliances nullhich do not carry the nullnull nullarnull nullsee 5nullnullnullnullnullnullnullnullTnull 3 nulln this standard, heat inpnullt is enull
36、pressed in ternulls of net nullalorinullnullnullalnulles (nullnullnull, nullnless stated othernullisenull The ratio of gross to net heat inpnullt is appronullinullately 1null11null1 for natnullral gas, 1null09null1 for propane, and 1null08null1 for bnulltanenullnullnullTnull 4 nullt is essential tha
37、t persons nullarrying onullt the installation of any gas appliannulle be nullonullpetent to do so (see nulllanullse 4nullnullnullnullTnull 5 nullonulle parts of this standard nullight be appropriate for the installation of pool and spa nullaternullheating appliannullesnull The nullannullfanulltnullr
38、ernulls instrnullnulltions nullay adnullise nullhinullh parts are not appropriatenullnull nullormatinulle referencesThe nullollonulling renullerenced docnullnullents are indispensanullle nullor the application onull this British Standardnull nullor dated renullerencesnull only the edition cited appl
39、iesnull nullor nullndated renullerencesnull the latest edition onull the renullerenced docnullnullent nullinclnullding any anullendnullentsnull appliesnullBS 4null6null4null nullire tests on bnullilding nullaterials and strnullnulltnullres null nullart 4nullnullonnullnullonullbnullstibility test for
40、 nullaterialsBS 4null6null22null nullire tests on bnullilding nullaterials and strnullnulltnullres null nullart 22nullnullethods for deternullination of the nullre resistannulle of nonnullloadbearing elenullents of nullonstrnullnulltionBS 11nullnullnull Glossary of ternulls nullsed in the gas indnul
41、lstryBS 5546:20102 null null BSI 2010BRITISH STANDARDBS 11nullnullnull6null Glossary of ternulls nullsed in the gas indnullstry null nullart 6nullnullonullbnullstion and nulltilinullation innulllnullding installation at nullonsnullnullersnullprenullisesBS 1566null2null nullopper indirenullt nullylin
42、ders for donullestinull pnullrposes null nullart 2nullnullpenullinullnullation for single fed indirenullt nullylinders BS 2nullnullnullnull nullpenullinullnullation for draining taps (snullrenullnulldonulln patternnullBS null1nullnull, nullpenullinullnullation for nullopper hot nullater storage null
43、onullbination nullnits for donullestinull pnullrposesBS 5422null nullethod for spenullifying thernullal insnulllating nullaterials for pipes, tanks, nullessels, dnullnulltnullork and enullnullipnullent operating nullithin the tenullperatnullre range null40 nullnull to null700 nullnullBS 5440null1:20
44、0nullnull nulllnulleing and nullentilation for gas appliannulles of rated inpnullt not enullnulleeding 70 knull net (1st, 2nd and 3rd fanullily gasesnull nullnullart 1null nullpenullinullnullation for installation of gas appliannulles to nullhinullneys and for nullaintenannulle of nullhinullneysBS 5
45、440null2null nulllnulleing and nullentilation for gas appliannulles of rated inpnullt not enullnulleeding 70 knull net (1st, 2nd and 3rd fanullily gasesnull null nullart 2nullnullpenullinullnullation for the installation and nullaintenannulle of nullentilation pronullision for gas appliannullesBS 54
46、null2null1null nullode of pranulltinulle for donullestinull bnulltanenull and propanenullgasnullbnullrning installations null nullart 1null nullnstallations at pernullanent dnullellings, residential park honulles and nullonullnullernullial prenullises, nullith installation pipenullork sinulles not e
47、nullnulleeding nullnull 25 for steel and nullnull 28 for nullorrnullgated stainless steel or nullopperBS 54null2null2null nullode of pranulltinulle for donullestinull bnulltanenull and propanenullgasnullbnullrning installations null nullart 2null nullnstallations in nullaranullans and nonnullpernull
48、anent dnullellingsBS 5nullnull1null1null nullpenullinullnullation for the installation and nullaintenannulle of gas nullres, nullonnullenulltor heaters, nullrenullbanullk boilers and denulloratinulle fnullel effenullt gas appliannulles null nullart 1null Gas nullres, nullonnullenulltor heaters, null
49、renullbanullk boilers and heating stonulles (2nd and 3rd fanullily gasesnullBS 5nullnull0null nullode of pranulltinulle for thernullal insnulllation of pipenullork and enullnullipnullent in the tenullperatnullre range of null100 nullnull to null870 nullnullBS 62nullnullnull2null nullafety and nullon
50、trol denullinulles for nullse in hot nullater systenulls nullnullart 2null nullpenullinullnullations for tenullperatnullre relief nullalnulles for pressnullres fronull1 bar to 10 barBS 6null00null nullesign, installation, testing and nullaintenannulle of sernullinulles snullpplying nullater for donu