Fig. 4: Minimum Clearances from Combustible
Surfaces — Indoor and Outdoor Installations
Table E: Clearances — Outdoor Installations
Combustion and Ventilation Air
Indoor Units
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9F<=IMAHE=FLN=FLAD9LAGF GE:MKLAGF9AJ;9F:=KMH
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9F9<99F<9DDDG;9D;G<=K
NOTE: 2K= G> L@AK :GAD=J AF ;GFKLJM;LAGF 9J=9K
O@=J= >AF= H9JLA;MD9L= E9LL=J KM;@ 9K ;GF;J=L= GJ
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AF 9 ;GFKLJM;LAGF =FNAJGFE=FL 9 ;D=9F KGMJ;= G>
;GE:MKLAGF 9AJ EMKL := HJGNA<=< <AJ=;LDQ LG L@=
:GAD=J
CAUTION: GE:MKLAGF 9AJ EMKL FGL :=
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;9F<9E9?=L@=:GAD=J9F< NGA<L@=O9JJ9FLQ0==
L@=HH=F<AP
NOTE: &L AK J=;GEE=F<=< L@9L L@= AFL9C= N=FL :=
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3=FLAF?FGLK@GOF>GJ;D9JALQ%=9L=JEMKL:=N=FL=<H=J
AFKLJM;LAGFKAFL@AKE9FM9D
Heater
Side
Min. Clearances
from Combustible
S
urfaces
Minimum
Service
C
learances
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