United States Stove PELLET 5660(I) Specifications download pdf (Page 27)

27

INSERTPELLETSTOVEINSTALLATION‐continued



MinimumClearancetoCombustiblesandFloorProtection



A:Sidewall:16”tosideofappliance

B:TopTrim:5”abovetopofappliance

C:Sidetrim:10.5”tosideofappliance

D:Mantle:10”abovetopofappliance

FloorProtection

WheninMASONRYfireplaces,use½inchthicknon‐combustiblematerial.

WheninFactory‐builtfireplaces,usea1inch,non‐combustiblesurfacewithakfactorof0.84.Formultiplelayers,

addR‐valuesofeachlayertodeterminetheoverallR‐value.TheRvaluefortherequired

boardis1.2.



ConvertspecificationtoR‐value:

k‐factorisgivenwitharequiredthickness(T)ininches:R=1/kxT.TheC‐factorisgiven:R=1/C

Example:

Ifthefloorprotectoris4”brickwithaC‐factorof1.25 over1/8”mineralboardwitha“k”factorof

0.29thetotalR‐

valueofthesystemis:

4”brickC=1.25,R=1/1.25=0.8

1/8”mineralboardK=0.29,R=1/0.29x0.125=0.431

TotalR=Rbrick+Rmineral=0.8+0.431=1.231

TotalRisgreaterthan1.2, thesystemisacceptable.

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Figure20

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United States Stove PELLET 5660(I) Specifications Page 27