3
FIGURES & TABLES ................................................. 28
Figure18-FurnaceDimensions.......................... 28
WiringDiagram....................................................... 29
Figure19-CMF95WiringDiagram...................... 29
GasInformation...................................................... 30
Table7-GasFlowRates..................................... 30
Table8-GasPipeCapacities.............................. 30
Table9-HighAltitudeDerationChartfor
PropaneGas......................................... 31
Table10-Natural
GasHeatingValues................. 31
Table11-HighAltitudeDerationChartfor
Nat.Gas-HighHeatingValues........... 31
Table12-HighAltitudeDerationChartfor
Nat.Gas-LowHeatingValues............ 31
VentingInformation................................................ 32
Table13-VentTerminationClearances............... 32
Figure20-Horizontal&VerticalVenting.............. 33
INSTALLATION / PERFORMANCE CHECKLIST ..... 36
IMPORTANT SAFETY INFORMATION
Pleasereadallinstructionsbeforeservicingthisequipment.
Payattentiontoallsafetywarningsandanyotherspecial
notes highlighted in the manual. Safety markings are
usedfrequently throughoutthismanualtodesignatea
degreeorlevelofseriousnessandshouldnotbeignored.
WARNINGindicatesapotentiallyhazardoussituationthat
ifnot avoided,couldresult in personalinjuryordeath.
CAUTIONindicatesapotentiallyhazardoussituationthat
ifnotavoided,mayresultinminorormoderateinjuryor
propertydamage.
REQUIREMENTS & CODES
WARNING:
Theinformationlistedbelowmustbefollowed
duringtheinstallation,service,andoperation
of this furnace. Failure to follow safety
recommendations could result in possible
damage to the equipment, serious personal
injuryordeath.
• This furnace must be installed in accordance with
theseinstructions,allapplicablelocalbuildingcodes
andthecurrentrevisionoftheNationalFuelGasCode
(ANSIZ223.1/NFPA54)ortheNaturalGasandPropane
InstallationCode,CAN/CGAB149.1.
• Useonlywithtypeofgasapprovedforthisfurnace.
Refertothefurnaceratingplate.
• Installthisfurnaceonlyinalocationandpositionas
speciedonpage5.
• Provideadequatecombustionandventilationairtothe
furnacespaceasspeciedonpages6-10.
• Provideadequateclearancesaroundtheventairintake
terminalasspeciedinFigures1-4(pages9-10).
• Combustionproducts mustbedischarged outdoors.
Connectthisfurnacetoanapprovedventsystemonly,
asspeciedonpages7-10.
• Nevertest forgas leakswith an opename. Use a
commercially available soap solution to check all
connections.Seepages16-17.
• Thisfurnaceisdesignedtooperatewithamaximum
externalpressureriseof0.3inchesofwatercolumn.
ConsultTable5(page24)andtheratingplateforthe
propercirculatingairowandtemperaturerise.Itis
importantthattheductsystembedesignedtoprovide
thecorrectowratesandexternalpressurerise.An
improperlydesignedductsystemcanresultinnuisance
shutdowns,andcomfortornoiseissues.
• Thisfurnacemustnotbeusedfortemporaryheating
ofbuildingsorstructuresunderconstruction.
• The Commonwealth of Massachusetts requires
compliancewithregulation248CMR4.00and5.00for
installationofthrough–the–wallventedgasappliances
asfollows: