Fireplace specifications, Fireplace framing specifications – TOA Electronics DIRECT VENT 600 User Manual
Page 8

8
NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
40
⁵⁄₈
(1032)
Back wall of chase/enclosure
(including any finishing materials)
a
8
³⁄₁₆ (208)
b
Note-
Venting requirements for rear vent applications in corner
installations for D-500, DT-500 AND DR-500 models only -
- the round termination (SV4.5HTR) may not be used
- the horizontal vent length “a” to “b,” must not exceed 28
inches (711 mm)
*19
³⁄₁₆
(487)
Inches
(millimeters)
*These dimensions occur when one 45
degree elbow is connected directly to the
appliance collar.
*6
¹⁄₈
(156)
28
³⁄₄
(730)
35
¹⁄₈
(892)
57
¹⁄₂
(1461)
l
e
d
o
M
.
o
N
A
B
C
D
E
F
*
*
G
H
0
0
5
-
D
0
0
5
-
T
D
0
0
5
-
R
D
.
n
i
8
/
1
5
3
8
/
1
2
3
9
1
2
/
1
9
2
8
/
1
5
3
6
1
/
1
1
1
2
8
/
7
4
2
1
6
1
/
7
2
m
m
2
9
8
6
1
8
3
8
4
9
4
7
2
9
8
1
5
5
2
3
6
6
1
3
0
0
6
-
D
0
0
6
-
T
D
0
0
6
-
R
D
.
n
i
8
/
1
0
4
8
/
1
7
3
4
2
2
/
1
4
3
8
/
1
0
4
6
1
/
1
1
6
2
8
/
7
9
2
1
6
1
/
5
1
4
m
m
9
1
0
1
3
4
9
0
1
6
6
7
8
9
1
0
1
8
7
6
9
5
7
9
7
3
0
0
8
-
D
0
0
8
-
T
D
0
0
8
-
R
D
.
n
i
8
/
1
0
4
8
/
1
7
3
4
2
2
/
1
9
3
8
/
1
5
4
6
1
/
1
1
6
2
8
/
7
4
3
6
1
/
7
7
1
m
m
6
4
1
1
3
4
9
0
1
6
3
0
0
1
6
4
1
1
8
7
6
6
8
8
3
4
4
G
E
B
D
C
F**
H
16
(406)
¹⁄₂ (13)
3 (76)
Top View
*CONCENTRIC FLUE
FLUE - 4
¹⁄₂ (114)
COMBUSTION AIR - 7
¹⁄₂ (190)
FRAMING
SPACERS
(Top and Sides
and Rear)
GAS INLET
(Either Side
and bottom)
* D models have a top and rear vent
DR models have only a rear vent
DT models have only a top vent
Front View
3 (76)
(Louvered Front Model Shown)
**Rear vent models only
ELECTRICAL INLET
2
³⁄₄ x 2 (70 x 51) COVER
PLATE with KNOCKOUT)
Right Side View
9
(229)
A
1
³⁄₈
(35)
OPTIONAL ELECTRICAL
INLET KNOCKOUT
REQUIRING A FIELD
PROVIDED JUNCTION
BOX (Either Side)
(140)
5
¹⁄₂
9
³⁄₈
(238)
2
(53)
NOTE - Hood shown as
positioned in louvered
front model.
Figure 12
Figure 11
CORNER FRAMING WITH SMALL SQUARE HORIZONTAL TERMINATION(SV4.5HTSS)
FOR D-500, DT-500 AND DR- 500 MODELS ONLY)
FIREPLACE SPECIFICATIONS
**
Rear Vent Units Only.
FIREPLACE FRAMING SPECIFICATIONS