8
Regency I2403M
INSTALLATION
Clearance diagram for Installations
Side and Top facing is a maximum of 1.5" thick.
Floor protection must be non-combustible, insula-
tive material with an R value of 1.1 or greater.
*
Hearth thickness of 0.5" with k value = 0.84",
r value = 0.6 or greater.
** A non-combustible mantel may be installed
at a lower height if the framing is made of
metal studs covered with a non-combustible
board.
** Max. mantle depth is 10" (254mm).
Thermal
fl
oor protection is not required if the unit is
raised 3.5" minimum (measured from the bottom of
the stove). However, standard ember
fl
oor protec-
tion is required. It will need to be a non-combustible
material that covers 16" (406 mm) in the US and
18" (450 mm) in Canada to the front of the unit and
8" (200 mm) to the sides.
If the unit is not raised, thermal
fl
oor protection
required is 18" (450 mm) in the US and Canada.
All
fl
oor protection must be non-combustible (i.e.,
metals, brick, stone, mineral
fi
ber boards, etc.) Any
organic materials
(i.e. plastics, wood paper prod-
ucts, etc.)
are combustible and must not be used.
The
fl
oor protection speci
fi
ed includes some form
of thermal designation such as R-value (thermal
resistance) or k-factor (thermal conductivity).
MASONRY AND FACTORY BUILT FIREPLACE CLEARANCES
The minimum required clearances to combustible materials when installed into a masonry or factory built
fi
replace are listed below.
H
HOW TO DETERMINE IF ALTERNATE
FLOOR PROTECTION MATERIALS ARE ACCEPTABLE
The speci
fi
ed
fl
oor protector should be 3/8"
(18mm) thick material with a K - factor of
0.84.
The proposed alternative is 4" (100mm) brick
with a C-factor of 1.25 over 1/8" (3mm) mineral
board with a K-factor of 0.29.
Step (a):
Use formula above to convert speci
fi
cation
to R-value.
R = 1/k x T = 1/0.84 x .75 = 0.893.
Step (b):
Calculate R of proposed system.
4" brick of C = 1.25, therefore
Rbrick = 1/C = 1/1.25 = 0.80
1/8" mineral board of k = 0.29, therefore
Rmin.bd. = 1/0.29 x 0.125 = 0.431
Total R = Rmineral board =
0.8 + 0.431 = 1.231.
Step (c):
Compare proposed system R of 1.231 to
speci
fi
ed R of 0.893. Since proposed system
R is greater than required, the system is
acceptable.
DEFINITIONS
Thermal Conductance:
C
= Btu
= W
(hr)(ft
2
)(
o
F) (m
2)
)(K)
Thermal Conductivity:
k = (Btu)(inch) = W = Btu
(hr)(ft
3
)(
o
F) (m)(K) (hr)(ft)(
o
F)
Thermal Resistance:
R = (ft
2
)(hr)(
o
F) = (m
2
)(K)
Btu
W
Minimum Hearth Extension for the front
(E) and sides (G) are measured from the
fuel door opening.
Unit
Adjacent
Side Wall
(to Side)
A
Mantle **
(to Top)
B
Top
Facing
(to Top of Unit)
C
Side
Facing
(to Side of Unit)
D
Minimum
Hearth
Extension*
E
Minimum
Hearth
Thickness
F
Minimum
Hearth Side
Extension*
G
From Top of
Unit
H
Medium
Flush Insert
(I2403)
11"/280mm
20" (508mm)
12"(305mm)
8"(200mm)
18"(455mm)
1/2"(13mm)
8" (203mm)
20"(508mm)
Содержание I2403M
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