Appendix A - Alternate Floor Protection - Jøtul F 400 USA Installation And Operating Instructions Manual

USA/Canada
Part list for the Jøtul F 400 woodstove
Consult your dealer for part numbers and replacement parts.
No. Description
1 Ashlip Packed
2 Handle Ash Door Compl.
3 Latch
4 Spring for Latch
5 Nut Hex.
6 Screw
7 Gasket L=1020
8 Wooden Knob Ash House
9 Screw Hex.
10 Side Right
11 Washer
12 Screw Hex Cap Flange Frame
13 SD Front
14 Gasket top plate, L=1840
15 Screw Hex. Cap Flange Frame
16 Ash Door
17 Top Plate
18 Nut Hex. Cap Flange
19 Gasket Upper Back Plate, L=835
20 Back Plate Upper Compl.
21 Gasket , L=930
22 Screw Hex. Selftr.
23 Smoke Outlet Compl.
24 Screw Machine Oval Poz Blackcr.
25 Rivet Gesipa
26 Back Plate Lower Compl.
28 Side Left
29 Leg
30 Screw Hex. Cap Flange Frame
31 Screw Hex.
32 Bottom Upper
33 Gasket for Burn Plate , L=180
33 Gasket , L=180
34 Burn Plate Right Compl.
35 Secondary Air Chamber
36 Gasket , L=1200
37 Gasket , L=820
38 Air Deflector
39 Secondary Air Chamber Compl.
40 Baffle Plate II
41 Screw Hex.
42 Heat Shield Underneath, EU
43 Inspection Cover EU
44 Burnplate Back
45 Brick Refactory
46 Fire Grate
47 Burn Plate Left Compl.
48 Screw Hex. Cap Flange Frame
49 Screw Hex. Cap Flange Frame
50 Bottom Lower
51 Screw Hex. Cap Flange Frame
52 Hinge Bolt for Ash Door
53 Ash Pan
54 Ash House Compl.
55 Sliding Vent
56 Air Divider
57 Rivet
58 Sleeve
59 Handle Air Setting
61 Single Door Compl w/o Glass
62 Glass Clip
63 Gasket for Glass
64 Gasket for Door
65 Screw Panh.
66 SD Glass
67 Latch Bolt
68 Washer
69 Spring Pin
70 Washer
71 Latch
72 Latch Compl. w\Wooden Knob
73 Wooden Knob
74 Gasket Ash House
75 Adapter Outside Air
77 Fire Screen
18
9.0 Appendix A
Alternate floor protection
All floor protection materials must be non-combustible ie. metal,
brick, stone, mineral fiber boards). Any combustible material
may not be used.
The easiest means of determining if a proposed alternate floor
material meets requirements listed in this manual is to follow
this procedure.
R-value = thermal resistance
k-value = thermal conductivity
C-value = thermal conductance
1. Convert the specification to R-value;
a. If R-value is given, no conversion is needed.
b. If k-value is given with a required thickness (T) in inches:
R=1/k X T.
c.
If C-value is given: R=1/C.
2. Determine the R-value of the proposed alternate floor protector.
a. Use the formula in Step 1 to convert values not expressed
as "R".
b. For multiple layers, add R-values of each layer to determine
overall R-value.
3. If the overall R-value of the sustem is greater than the R-value
of the specified floor protector, the alternate is acceptable.
Example:
The specified floor protector should be 3/4" thick material with a
k-factor of 0.84. The proposed alternate is 4" brick with a C-factor
of 1.25 over 1/8" mineral board with a k-factor of 0.29.
Step A. Use formula above to convert specifications to R-value.
R=1/k X T= 1/.84 X .75 = .893
Step B. Calculate R of proposed system.
4" brick of C-1.25, therefore
•
• R brick = 1/C = 1/1.25 = 0.80.
1/8" mineral board of k = 0.29 therefore
•
R mineral board = 1/.29 X 0.125 = 0.431
•
Total R = R brick + R mineral board=
0.8 + 0.431=1.231
Step C. Compare proposed system R = 1.231 to specified R of 0.893.
Since R is greater than required, the system is acceptable.
Definitions:
Thermal conductance =
C = Btu =
(hr)(ft 2 )(F)
Thermal conductivity =
k = Btu =
(hr)(ft 2 )(F)
Thermal resistance=
R = Btu =
2
(hr)(ft )(F)
W
(m 2 )(K)
W = (Btu)
(m 2 )(K) (hr)(ft)(F)
(m 2 )(K) = (Btu)(inch)
2
W (hr)(ft )(F)