Use and Care Manual

4
The Commonwealth of Massachusetts requires
compliancewithregulation248CMR4.00and5.00for
installation of through – the – wall vented gas appliances
asfollows:
1. Fordirect-ventappliances,mechanical-ventheating
appliances or domestic hot water equipment, where
the bottom of the vent terminal and the air intake is
installed below four feet above grade the following
requirementsmustbesatised:
a.)Acarbonmonoxide(CO)detectorandalarmshallbe
placedoneachoorlevelwheretherearebedrooms.
The detector shall comply with NFPA 720 (2005
Edition)andbemountedinthelivingareaoutside
thebedroom(s).
b.)A(CO)detectorshallbelocatedintheroomthat
housestheapplianceorequipmentandshall:
• Bepoweredbythesameelectricalcircuitasthe
applianceorequipment.Onlyoneserviceswitch
shallpowertheapplianceandthe(CO)detector;
• Havebatteryback-uppower;
• MeetANSI/UL2034Standardsandcomplywith
NFPA720(2005Edition);andApprovedandlisted
by a Nationally Recognized Testing Laboratory as
recognizedunder527CMR.
c.)A Product-approvedventterminalmustbeused,
andifapplicable,aproduct-approvedairintakemust
be used. Installation shall be in strict compliance
with the manufacturer’s instructions. A copy of
the installation instructions shall remain with the
appliance or equipment at the completion of the
installation.
d.)Ametalorplasticidenticationplateshallbemounted
at the exterior of the building, four feet directly above
the location of vent terminal. The plate shall be of
sufficient size, easily read from a distance of eight
feetaway,andread“GasVentDirectlyBelow”.
2. Fordirect-ventappliances,mechanical-ventheating
appliances or domestic hot water equipment where
the bottom of the vent terminal and the air intake is
installed above four feet above grade the following
requirementsmustbesatised:
a.)A(CO)detectorandalarmshallbeplacedoneach
oorlevelwheretherearebedrooms.Thedetector
shallcomplywithNFPA720(2005Edition)andbe
mountedinthelivingareaoutsidethebedroom(s).
b.)The(CO)detectorshall:
• Belocatedintheroomthathousestheappliance
orequipment;
• Behard-wiredorbatterypoweredorboth.
• ShallcomplywithNFPA720(2005Edition).
c.)Aproduct-approvedventterminalmustbeused,and
ifapplicable,aproduct-approvedairintakemustbe
used. Installation shall be in strict compliance with the
manufacturer’sinstructions.Acopyoftheinstallation
instructions shall remain with the appliance or
equipment at the completion of the installation.
MinimumInstallationClearances
• Accessforpositioningandservicingtheunitmustbe
considered when locating unit. The need to provide
clearance for access to panels or doors may require
clearance distances over and above the requirements.
• This appliance must be installed in accordance with
clearances listed in Table 1. The furnace must be installed
with ample clearance for easy access to the air filter,
blower assembly, burner assembly, controls, and vent
connections.
• Locateandinstallthisunitinpositionasspeciedon
pages10& 11.This unit isdesigned only forIndoor
installations and should be located with consideration
of minimizing the length of the supply and return ducts.
Table1.MinimumClearanceRequirements
INSTALLATION CLEARANCES
CLOSET ALCOVE
Front* 6" 18"
Rear 0" 0"
Sides 0" 0"
To p 17" 17"
Duct w/in 3ft of furnace 1/4" 1/4"
Vent 6” 6”
Plenum 1" 1"
Roof Jack Barrel 0” 0”
NOTES:
* ServiceClearance
AlcoveInstallations-Allow18in.minimumclearancefrom front of
unit to nearest wall or partition for servicing.
Closetinstallations-Requireareturnairgrillinstalledinthedoor
or a partially louvered door across the opening for proper air
circulation.Forclearances6”orgreater,theclosetmusthavean
open free area of 235 in
2
minimum.Forspecialclearancesbetween
1”-5”,requirementsarealouvereddoorwithaminimumof250
in
2
(1613cm
2
)freearea.Afullylouveredclosetdoorisstrongly
recommended for both installation types.
LEFT
SIDE
FRONT
RIGHT
SIDE
REAR
VENT