Harman Stove Company Harman Gas 929BV - Manual (Page 18)

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Appendix.B
De-RaTInG foR HIGH alTITUDe
For.U.S..installations,.the.Clarity.B-Vent.is.approved.
for.elevations.up.to.2000.feet.using.the.factory-installed.
burner.injectors..At.elevations.above.2000.feet,.U.S..codes.
require.a.decrease.in.the.input.rating.by.changing.the.burner.
injectors.to.a.smaller.size..The.chart.below.lists.by.part.
numbers.the.appropriate.injectors.for.both.LP.and.natural.
gas.at.various.altitudes.
For. Canadian. installations,. the. Clarity. B-Vent. is. ap-
proved.for.elevations.up.to.610.meters.(2000.feet)..For.
installations.from.610-1370.meters.(2000-4500.ft.).the.
orifice sizes (DMS) for natural and propane gas are as
shown.in.the.chart.below.
naTURal Gas
front Harman Center Harman Rear Harman nominal btu
altitude Injector Part no. Injector Part no. Injector Part no. Input Rate
0-2000'. 47. 3-40-64347. 56. 3-40-57356. 39. 3-40-64739. 40,000.
2000-3000'. 48. MALE. 56. 3-40-57356. 40. MALE. . 38,400
3000-4000'. 49. MALE. 56. 3-40-57356. 41. MALE. . 36,900
4000-5000'. 49. MALE. 57. MALE. 42. MALE. . 35,400
5000-6000'. 50. MALE. 57. MALE. 42. MALE. . 34,000.
6000-7000'. 50. MALE. 57. MALE. 43. MALE. . 32,600
7000-8000'. 51. MALE. 58. MALE. 43. MALE. . 31,300
8000-9000'. 51. MALE. 58. MALE. 44. MALE. . 30,100
PRoPane
front Harman Center Harman Rear Harman nominal btu
altitude Injector Part no. Injector Part no. Injector Part no. Input Rate
0-2000'. 56. 3-40-57356. 71. 3-40-57271. 53. 3-40-57753. 40,000.
2000-3000'. 56. 3-40-57356. 71. 3-40-57271. 54. MALE. . 36,900
3000-4000'. 56. 3-40-57356. 71. 3-40-57271. 54. MALE. . 36,900
4000-5000'. 57. MALE. 71. 3-40-57271. 54. MALE. . 35,400.
5000-6000'. 57. MALE. 71. 3-40-57271. 55. MALE. . 32,600.
6000-7000'. 57. MALE. 71. 3-40-57271. 55. MALE. . 32,600.
7000-8000'. 58. MALE. 71. 3-40-57271. 56. 3-40-57356. 30,100.
8000-9000'. 58. MALE. 71. 3-40-57271. 56. 3-40-57356. 30,100
.For.high.altitude.installations.consult.the.local.gas.dis-
tributor.or.the.authority.having.jurisdiction.for.proper.rating.
methods.
NOTE:.The.difference.in.altitude.derating.requirements.
for.the.U.S..and.Canada.is.simply.a.result.of.differences.in.
testing.standards.between.the.two.countries.
If.the.installer.must.convert.the.unit.to.adjust.for.varying.
altitudes,.an.information.sticker.like.the.one.below.must.be.
filled out and affixed to the appliance at the time of conver-
sion.
THe ConVeRsIon sHall be CaRRIeD oUT
bY a ManUfaCTUReR's aUTHoRIZeD ReP-
ResenTaTIVe In aCCoRDanCe WITH THe
ReqUIReMenTs of THe ManUfaCTUReR,
PRoVInCIal oR TeRRIToRIal aUTHoRITIes
HaVInG JURIsDICTIon anD In aCCoRDanCe
WITH THe ReqUIReMenTs of THe CURRenT
eDITIon of Can/CGa-b141.1 oR Can/CGa-
b141.2 InsTallaTIon CoDes.
This.appliance.has.been.converted.for.use.at.an.altitude.of.__________ft.
Orifice Sizes: Front ________ Center_________ Rear ________
Input.(Btu/hr)............._________________
Manifold.Pressure......__________________
Fuel.Type............_______________________
Converted.By...._________________________________
Date.of.Conversion.._______________________________
●When ordering injectors that have no Harman
Part number, specify Male or feMale and
the appropriate 2- digit number.