W415-1111 / 06.22.12
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H
G
F
E
E
B
A
D
C
SIDE
W
ALL
SIDE
W
ALL
FR
ONT
BACK WALL
BACK WALL
CEILING
FLOOR
pARALLEL & CORNER
sINgLE wALL CONNECTOR
DOUBLE wALL CONNECTOR
sideWall (a)
6” (152 mm)
6” (152 mm)
sideWall to flue (b)
18” (457 mm)
17¼” (438 mm)
backWall (c)
6” (152 mm)
6” (152 mm)
backWall to flue (d)
18” (457 mm)
14” (356 mm)
corner (e)
6” (152 mm)
6” (152 mm)
ceiling (f)
refer to section 5.3.1
front (g)
48” (1219 mm)
48” (1219 mm)
floor (h)
⅞” (22 mm)
⅞” (22 mm)
clearances can be reduced with shielding acceptable to local authorities. reduced installation must
comply with nfpa 211 or can/csa-b365.
5.3 gENErAL PLENum ANd duCTINg - CLEArANCE TO COmBuSTIBLES
5.2 mINImum CLEArANCE TO COmBuSTIBLES
DO NOT INsTALL INTO ANY AREA HAvINg A CEILINg HEIgHT LEss THAN THE MINIMUM CEILINg
HEIgHT REqUIREMENTs LIsTED IN sECTION 5.3.1.
(measured from the base of the CHMF100)
• option a - 7 foot 6 inches (2.29 m) is the minimum ceiling height required when the chmf100 is
configured with the hmfk-dp (diffusion plenum).
• option b - the ceiling height required can be reduced to 6 foot 6 inches (1.98 m) when the chmf100
is connected with both supply and return air plenums and a complete ducting system. see
section 5.3.2 for clearance to combustible requirements for the supply/return plenum and
ducting system.
ALL pLENUM/DUCT sYsTEMs CONNECTED TO THE CHMF100 (wITH THE ExCEpTION OF THE
DIFFUsION pLENUM “HMFk-Dp”) MUsT HAvE A RETURN AIR pLENUM AND DUCTINg. RETURN
AIR MUsT NOT BE TAkEN FROM THE FURNACE ROOM (sEE LOCAL CODEs). As wITH ANY COM-
BUsTION AppLIANCE HAvINg A COLD AIR RETURN IN THE sAME ROOM As THE AppLIANCE CAN
CREATE A NEgATIvE pREssURE AND REsULT wITH THE spILLAgE OF COMBUsTION pRODUCTs
INTO THE LIvINg AREA.
5.3.1 mINImum CEILINg HEIgHT rEquIrEmENTS
5.3.2 INSTALLATION wITH rETurN/SuPPLy PLENumS ANd COmPLETE
duCT SySTEm
Содержание CHMF100
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