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4 Placeinoperationtheappliancebeinginspected.Follow
thelightinginstructions.Adjustthermostatsoappliance
willoperatecontinuousl_z
5.Testforspillageatthedrafthoodreliefopeningafter5
minutesofmainburneroperation.Usetheflameofamatch
orcandle,orsmokefromacigarette,cigarorpipe
6.Afterithasbeendeterminedthateachapplianceremain-
ingconnectedto thecommonventingsystemproperly
ventswhentestedas outlinedabove,returndoors,
windows,exhaustfans,fireplacedampersandanyother
gas-burningappliancetotheirpreviousconditionsofuse
7 Any_mproperoperationof thecommonventingsystem
shouldbecorrectedsotheinstallationconformswiththe
NationalFuelGasCode,ANSIZ223.1-latestrevision.When
resizinganyportionofthecommonventingsystem,the
commonventingsystemshouldbe resizedtoapproach
them_n_mumsizeasdeterminedusingtheappropriate
tablesin Part11 in theNationalFuelGasCode,ANSI
Z223.1-latestrewsion.
For boilers for connection to gas vents or chimneys,
vent installations shall be in accordance with Part 7,
Venting of Equipment, of the National Fuel Gas Code,
ANSI Z223.1-1atest revision and applicable provisions
of the local building codes,
Vent connectors serving appliances vented by natural
draft shall not be connected into any portion of mech-
anical draft systems operating under positive pressure.
ROOF
RIDGE
3/4 HT MAXIMUM
HT
MUST SLOPE UP
AT LEAST 1/4 INCH
PER FOOT OF
HORIZONTAL RUN
HORIZONTAL INSTALLATION
TO FURNACE VENT TO CHIMNEY
OR BOILER DAMPER INSTALL VENT DAMPER WITH
ACTUATOR TO SIDES OF
VENT ONLY, DO NOT MOUNT
ABOVE OR BELOW VENT.
VERTICAL INSTALLATION
TO CHIMNEY [_
FLOW VENT
DAMPER
ACTUATOR MAY BE
TO FURNACE N INSTALLED IN ANY POSITION
OR BOILER
U
TYPICAL INSTALLATION FOR VENT DAMPER
NOTE CAUTION AND FOOTNOTES
1. Install the vent damper to service only the single appliance for
which it is intended,ff improperlyinstalled,a hazardous condition,
such as an explosion or carbon monoxide poisoning, could result.
2. Do not install the vent damper onvent pipe curve.
3. DO not run wiras near high temperature surfaces. Use stand-off
brackets it necessary
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