Rheem CRTGH-95X Series Use And Care Manual page 36

INSTALLATION INSTRUCTIONS
VentingforDirect-VentWaterHeater(cont.)
IntheCommonwealthof
Massachusetts
TheCommonwealthofMassachusettsrequirescompliance
withregulation248CMR4.00and5.00forinstallationof
through-the-wallventedgasappliancesasfollows:
5.08:ModificationstoNFPA–54,Chapter10
(1)ReviseNFPA–54section10.5.4.2byaddingasecond
exceptionasfollows:
Existingchimneysshallbepermittedtohavetheiruse
continuedwhenagasconversionburnerisinstalled,and
shallbeequippedwithamanualresetdevicethatwill
automaticallyshutoffthegastotheburnerintheeventofa
sustainedback-draft.
(2)Revise10.8.3byaddingthefollowingadditional
requirements:
(a)Forallside-wall,horizontallyvented,gas-fueled
equipmentinstalledineverydwelling,building,orstructure
usedinwholeorpartforresidentialpurposes,including
thoseownedoroperatedbytheCommonwealthandwhere
theside-wallexhaustventterminationislessthanseven
(7)feetabovefinishedgradeintheareaoftheventing,
includingbutnotlimitedtodecksandporches,thefollowing
requirementsshallbesatisfied.
1.INSTALLATIONOFCARBONMONOXIDEDETECTORS.Atthe
timeofinstallationoftheside-wall,horizontallyvented,
gas-fueledequipment,theinstallingplumberorgasfitter
shallobservethatahard-wiredcarbonmonoxidedetector
withanalarmandbatterybackupisinstalledonthefloor
levelwherethegasequipmentistobeinstalled.Inaddition,
theinstallingplumberorgasfittershallobservethata
battery-operatedorhard-wiredcarbonmonoxidedetector
withanalarmisinstalledoneachadditionallevelofthe
dwelling,building,orstructureservedbytheside-wall,
horizontallyvented,gas-fueledequipment.Itshallbethe
responsibilityofthepropertyownertosecuretheservicesof
qualifiedlicensedprofessionalsfortheinstallationofhard-
wiredcarbonmonoxidedetectors.
a.Intheeventthattheside-wall,horizontallyvented,gas-
fueledequipmentisinstalledinacrawlspaceoranattic,
thehard-wiredcarbonmonoxidedetectorwithalarmand
batterybackupmaybeinstalledonthenextadjacentfloor
level.
b.Intheeventthattherequirementsofthissubdivision
cannotbemetatthetimeofcompletionofinstallation,the
ownershallhaveaperiodofthirty(30)daystocomplywith
theaboverequirements,provided,however,thatduringsaid
thirty(30)dayperiod,abattery-operatedcarbonmonoxide
detectorwithanalarmshallbeinstalled.
2.APPROVEDCARBONMONOXIDEDETECTORS.Eachcarbon
monoxidedetectorasrequiredinaccordancewiththe
aboveprovisionsshallcomplywithNFPA720andbeANSI/UL
2034-listedandIAS-certified.
3.SIGNAGE.Ametalorplasticidentificationplateshall
bepermanentlymountedtotheexteriorofthebuildingat
aminimumheightofeight(8)feetabovegradedirectly
inlinewiththeexhaustventterminalforthehorizontally
36
vented,gas-fueledheatingapplianceorequipment.The
signshallread,inprintsizenolessthanone-half(1/2)inch
insize,"GASVENTDIRECTLYBELOW.KEEPCLEAROFALL
OBSTRUCTIONS."
4.INSPECTION.Thestateorlocalgasinspectorofthe
side-wall,horizontallyvented,gas-fueledequipmentshall
notapprovetheinstallationunless,uponinspection,the
inspectorobservescarbonmonoxidedetectorsandsignage
installedinaccordancewiththeprovisionsof248CMR5.08
(2)(a)(1through4).
(b)EXEMPTIONS:Thefollowingequipmentisexemptfrom
248CMR5.08(2)(a)(1through4):
1.TheequipmentlistedinChapter10entitled"Equipment
NotRequiredToBeVented"inthemostcurrenteditionof
NFPA54asadoptedbytheBoard,and
2.Product-approvedside-wall,horizontallyvented,gas-
fueledequipmentinstalledinaroomorstructureseparate
fromthedwelling,building,orstructureusedinwholeorin
partforresidentialpurposes.
(c)MANUFACTURERREQUIREMENTS–GASEQUIPMENT
VENTINGSYSTEMPROVIDED.Whenthemanufacturerof
product-approvedside-wall,horizontallyvented,gas-fueled
equipmentprovidesaventingsystemdesignorventing
systemcomponentswiththeequipment,theinstructions
providedbythemanufacturerforinstallationofthe
equipmentandtheventingsystemshallinclude:
1.Detailedinstructionsfortheinstallationoftheventing
systemdesignortheventingsystemcomponents;and
2.Acompletepartslistfortheventingsystemdesignor
ventingsystem.
(d)MANUFACTURERREQUIREMENTS–GASEQUIPMENT
VENTINGSYSTEMNOTPROVIDED.Whenthemanufacturer
ofproduct-approvedside-wall,horizontallyvented,gas-
fueledequipmentdoesnotprovidethepartsforventing
thefluegases,butidentifies"specialventingsystems,"
thefollowingrequirementsshallbesatisfiedbythe
manufacturer:
1.Thereferenced"specialventingsystems"instructions
shallbeincludedwiththeapplianceorequipment
installationinstructions,and
2.The"specialventingsystems"shallbeproduct-approved
bytheBoard,andtheinstructionsforthatsystemshall
includeapartslistanddetailedinstallationinstructions.
(e)Acopyofallinstallationinstructionsforallproduct-
approvedside-wall,horizontallyvented,gas-fueled
equipment,allventinginstructions,allpartslistsforventing
instructions,and/orallventingdesigninstructionsshall
remainwiththeapplianceorequipmentatthecompletionof
theinstallation.