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<br />e '~piDe shall be tightly
<br />I t;) the chimncy liner, so
<br />eV9nt infiItr<ttion of cold
<br />
<br />cia ffles sball be appIid
<br />l!'!hterfere with the prop'-
<br />l~t~dn.J)f ttl~ gas.
<br />e'H15e shaH be weIl Sl1p-
<br />pf~vent sag-ging and shall
<br />[sti\lled closer than six (6)
<br />an~' combustible building
<br />llpless flue pip'e is cov-
<br />] .jl1combuQibleinsula tion
<br />tthe surface temperature
<br />ct6~ior sUrIace thereof at-
<br />:nPt'r;J.ture not higher than
<br />[recl ttwenty-five (125) 'clee 6-184 A gas prcssure regulator, ap-
<br />'hrcnleit :vhen the :'. [J.!J Ii- proved by the Heating Inspector,
<br />ndet:. contmUOl1S operiltlOll. shall be installed on the down-
<br />spate heating equipment stream side of the. pilot supply on
<br />of lihe vented type and all gas burners, and a pressure regu-
<br />ventlJd to an e'ffective flue. lat6r and pilot filter shaH be in-
<br />liantJ;heate'rs or other un- stall cd in all pilot lines, downstream
<br />eatc~t\ df less tha.n 25;OOO.f '
<br />llt J~y be h:stalled,I~ fire- n<l.t6 ..
<br />Jvi'Jfug the chkffi'le~,has .a.. ,regul
<br />" ,.. :,',fIo.,.:,..: Y..
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<br />
<br />~n the appliance outlet and
<br />divcrter. In spcdal cases
<br />iI chimneys or flucs, the
<br />hedule of areas may be
<br />subjeCt to specificapprov-
<br />Heating Inspector,
<br />~. dr~ft hood should ordin-
<br />ocilt(d adjacent to the ap-
<br />"."1 ' .
<br />[1'1 t?ises..where it appears
<br />:~' '}' ,,'
<br />. tdf(;~Ia<:r the draft hood
<br />llcc;.,irolIj. the appliance, the
<br />he ~;testt"icteel section may
<br />ed i~ccording to the Icngth
<br />Ofj'Fifhe'flue pipe.
<br />~oportioned section at
<br />.o9tletDf the appliance
<br />5 J~ n~~essitv of using an
<br />e i;J!trnper ill "the flue pipe
<br />" :mper will .llot be per-
<br />f 1(.1
<br />
<br />
<br />,~ ,.
<br />
<br />. ,1,,-',,.
<br />danipers are all t(l teg-
<br />( the ,;.boiler or furnace,
<br />'ere1noved or perman-
<br />u eI' in the wide open po-
<br />tit such dampers thel
<br />',whkllis:tn alter the
<br />.~. .. ....
<br />o'i,.;fhe,t!ue g;<;lses through
<br />3:i]~es, ,Vh~chshan be lock-
<br />ler ..a.position a~ not to
<br />~'ith the not:tna1 opera-
<br />[E;itytners.
<br />t~~l use~l for flue pipe
<br />~W:h asia: resist the cor-
<br />tl6'it 'or flue gase~.
<br />e:.'pipe "dfexisting systems
<br />rC10cated whe;rellecessary
<br />flue pipe instaIlations sha1l
<br />tIci" as to avoid sharp tur!ls
<br />";l::onstr.tlctiolul features
<br />ul\;1 create., excessive resist-
<br />lc'!f1ow of flue gases. fi'lue
<br />n:,s!ope upward to chim-
<br />
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<br />
<br />THURSDAY, AUGUST hi_. .,.
<br />
<br />.....~'....
<br />
<br />6-178 Pilot burner or burners shall or less, all pIping, tubing and fit.. ers s-hall not expel gas through air
<br />be so placcd that they can -be safely dngs shall be suitable for a work- openings in mixer -faces when op~
<br />lighted and they shall be readily ac- ing pressure of 125 pounds gauge. erating at the normal burner pres-
<br />cessible or removable for cleaning. Joints in <:opper tubing shaH be sure.
<br />6-179 Pilot lines shall be connected made with approved gas tubing fit- Note; In making the test under
<br />to vertiical main gas supply lines tings, \AIl gas piping' shaH be in- ~-193 and 6-1%, care shall be ei-
<br />or to the side Or top of horizontal stalled in conformance with the pro- ~rcised to prevent the accumulation
<br />lines ahead of a1l controls including visions of this code, of unburned gas in the appliance or
<br />pressure regulators and appliance flues which might result in explo-
<br />shut-off, and shall be provided with 6-190 Except as exempted in this sian or fire,
<br />a separate cock. Pilot lines for section, and except on approved in- 6-201 The flue gas temperature as
<br />liquid petroleum gas burners shaH cinerators, masonry chimneys serv- taken on the applance side of the
<br />be connected to a 100% shut-off, iug gas fired boilers. furnaces, or draft hood shaH not exceed 48fide-
<br />f heating devices, whether of the gas .
<br />conforming to the provisions 0 6- grees F. above that of the air tem-
<br />176, so arranged as to cut off both designed type or fired by gas eon- d'. . I'
<br />perature surroun mg the. app lance.
<br />version burners shall be lined con-
<br />main .gas and pilot gas supply in The concentration of C02 shall not
<br />the event of pilot flame failure, tinuously from the thimble to the exceed 9 %, th~ concentration of CO
<br />6-180 Thermostatic sa f e t y pilots top with an approved incombus- shaIl nOt exceed ,04%, the concen-
<br />tible, acid and corrosion resisting
<br />shall be so adjusted that main gas tration of oygen shaH be not
<br />. liner of the same equivalent inter-
<br />supply will be shut off within three less than 5 % nor more than
<br />nal cross-sectional area as the flue
<br />(3) minutes after pilot flame has IO % ,
<br />b~cn cxtinguished under continu- pipe or pipes extending from thel 6-Z02 The rate of flow of the gas
<br />appliance or other app~ianqes to
<br />O'.IS op.erating cond. itions. shaIl be adjusted to WIthIn plus or
<br />, the chimney liner A condensation . ".
<br />6-181 A manually operated approv- minus two (2) percent of the re-
<br />pocket shall be provided at the basc .
<br />ed shut-off valve or cock shall be quired hourly BTU i.np' ut rating at
<br />of said liner with provisions for a
<br />installed at each appliance to shut,.. the manifold pressure spe.cified by
<br />dnp, so arranged that excessive con-
<br />off the entire gas supply to the apo the manufacturer.. When the pre-
<br />f densation of flue products may be -...
<br />pIiance, except thc pilot, in cases 0 vailing pressure is le;"!;-"t'L<ln. the
<br />disposed of without damage to ..,
<br />emcrgency. For liquid petroleum gas manifold pressur'e specified, the '.""
<br />. chimney, fpundation, floor or foot- -
<br />installations,. a manual main shut- rate shaIl be adj usted at the pre-
<br />off valve shall be' provI'ded ahead of ings. ~uch liners shaH be construct- '1' I
<br />I val lllg pressure. The app iance shaH
<br />all controls. A suitable manual valve! cel of material having a thickness be allowed to operate until thel
<br />shall be provided for shutting off before coating of not less than No. stack temperature becomes stabil-
<br />the main burner gasindependentIy of 22 U. S. Standa'd Gauge. Where ized, a'fter which a sample of the
<br />thc pilot gas, Suchvalve or cock shall such liners are constructed of un- flue products shaH be taken <It a
<br />be so. located tha;t'h is readily ac- coate.d ~aterials ~nd inherent char- point in the flue after the outlet
<br />'cessible,at abouti five feet above actenstlcs of whIch show a hig!] of the appliance but ahead of the
<br />'the floor; :tlid ~h1'Il' dearly indicate ,degree. of re~istance to acids and draft {!Ood, and analyzed for car-
<br />'t.I.1e. "OIl." .. anr.l "~f.. f" Po~ition..s., 0.. r corrOSIOn,. a Itghter gauge may be I bon dioxide, carbon monoxide and
<br />d.irection of rotatjon to open or used,. subJect to the approval of the, oxygen.
<br />
<br />close. Where/a cock is provided" Hc:atIng Inspector: In the event ~hcl 6-203 The rate of flow of gas shall
<br />the opening h~ndle shaH be secure-\ c!Jlmney flue serVIng the conversIOn be adjusted to with plus 5 % or
<br />Iy attached to theviug in such man- fIred or gas designed appl!ance als? minus IS % of 1.7 times thc caIcul-
<br />ner that it may not be readily re- serves one or. more heatIng appll-
<br />ated hourly BTU heat loss of the
<br />moved, anccs other than gas fired, th,e building in which it is installed,
<br />6 182 EI t. t 1 I h II above provided liner may be om. itc'
<br />_, ec tiC con ro va ves sa, ." The appliance shall be allowed to
<br />b . II d d' t th ' ted. On larger Installations where
<br />e lll~ta e a~eor mg 0 e In- burners are in more or less con- operate until the stack temperature
<br />structlons furnIshed by the manu- t' . . d . becomes stabilized, after which a
<br />. , lllUOUS operatIOn, an stack tem-
<br />be-t. urer. All heatlng equIpment ff' . sample of the flue products shaH be
<br />. I II d b peratures are su ICIently high to
<br />s. hall be automatlca Iy contra e y .., h 'b.'I' taken at point in the flue a'fter
<br />. . 11 mll1lmlZe t e pOSSI I Ity of conden-
<br />thermostat except heaters lllsta eel f 'thO I ! . the outlet of the appliance bilt
<br />in firepaces as provided in 6-167. sah,lon wl~ III t 1cb t ]l~ney, the ahead of the draft hood, and anal-
<br />, c Imncy mer may e omItted, sub-
<br />6-183 All electrical connections shaH ject to the approval of the Heat- yzed for carbon dio}Gide, c).rhon
<br />be made in accordance with the ing Inspector. mon0xide and oxygcn.
<br />6-204 The various controls of the
<br />provisions of all Building and Elec-
<br />6-191 In th event conditions at the appliancc shall he checked by both
<br />trical codes relating to the instal-
<br />time of instaHatioll are such that, inspector and 'installer, to insure
<br />lation of electric wiring in the mu-
<br />the chimney or vertical flUe has in- thcir proper operation,
<br />nicipality.
<br />sufficient natural draft to properly Upon completion of the test of any
<br />:carry. away the products of corn- newly installed gas burning equip-
<br />hustion or is suhject to down drafts, ment las \:4erciinafter providedSn
<br />provision shaH be. made by the in- "-2m, the installer shall file with
<br />staHer to rectify e'kisting conditions, the Heating Inspector, in duplicate,
<br />or :pro~ide mechanical m,rans of complete records of such test.
<br />maintaining constant updraft dur- 6-205 The owner and lor occupant
<br />ing appliance operation. shall be. thoroughly instructed Jry
<br />5-192 Arter the' piping has been the i11Staller as' to "'ftre,n}n'6per. and
<br />thoroughly purged, the pilot burn- :Jafe operation of the appliance be-
<br />et shall be lighted and adjusted and fore it is placed in service, snch
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