Operating instructions

33D4051 9
GENERAL INSTALLATION INFORMATION
ADEQUATE COMBUSTION AND VENTILATION AIR
Thisheater shallnotbe installedin aconned spaceor unusuallytightconstruction unlessprovisions areprovided for
adequate combustion and ventilation air.
TheNationalFuelGasCodedenesaconnedspaceasaspacewhosevolumeislessthan50cubicfeetper1,000BTUper
hour(4.8m3perkw)oftheaggregateinputratingofallappliancesinstalledinthatspace.Anunconnedspaceisdened
asaspacewhosevolumeisnotlessthan50cubicfeetper1,000BTUperhour(4.8m3perkw)oftheaggregateinputrating
ofallappliancesinstalledinthatspace.Roomscommunicatingdirectlywiththespaceinwhichtheappliancesareinstalled,
throughopeningsnotfurnishedwithdoors,areconsideredapartoftheunconnedspace.
UNUSUALLY TIGHT CONSTRUCTION IS DEFINED AS CONSTRUCTION WHERE…
a) wallsandceilingsexposedtotheoutsideatmospherehaveacontinuouswatervaporretarderwitharatingof1perm(6
x10
11
kgper-pa-sec-m
2
)orlesswithopeningsgasketedorsealed,and
b) weatherstripinghasbeenaddedonopenablewindowsanddoors,and
c) caulkingorsealantareappliedtoareassuchasjointsaroundwindowsanddoorframes;betweensoleplatesanddoors;
betweenwall-ceilingjoints;betweenwallpanels;atpenetrationsforplumbing,electrical,andgaslines;andatother
openings.
CODES
Adheretoalllocalcodesor,intheirabsence,thelatesteditionofTHENATIONALFUELGASCODEANSIZ223.1or
NFPA54 which can be obtained from…
American National Standards Institute, Inc.
1430 Broadway
New York, NY 10018
or
National Fire Protection Association, Inc.
Batterymarch Park
Quincy, MA 02269
WARNING
Do not install the heater
• where curtains, furniture, clothing, or other
ammable objects are less than 42" from the front
of the heater.
• in high trafc areas.
• in windy or drafty areas.