Mantle clearances, Vent termination restrictions, Initial installation – Enviro DV50DX User Manual
Page 17
It is not necessary to install a mantle, but if
one is desired it is important to follow the
guidelines shown in Figure 21.
Top of unit to horizontal framing:
12
5
/
16
” (313 mm)
Top of flange to top of cement board:
15 1⁄2” (394 mm)
Top of flange to bottom of 31⁄2” mantle:
24 1⁄2” (622 mm)
Top of flange to bottom of 8” mantle:
27 1⁄2” (699 mm)
31⁄2" (89mm)
8" (203mm) mantle
Combustibles
Cement Board
DV50DX
12
5
/
16
”
(313mm)
15 1⁄2”
(394mm)
24 1⁄2”
(622mm)
27 1⁄2”
(699mm)
Figure 21. Combustible Mantle Clearances.
Initial Installation
QUALIFIED INSTALLERS ONLY
M
ANTLE
C
LEARANCES
:
17
Figure 22. Vent Termination Restrictions, refer to Table 2.
V
ENT
T
ERMINATION
R
ESTRICTIONS
:
A
A
D E
L
B
C
F
B
B
B
J
M
K
G
H
I
Openable
Fixed
Closed
Openable
Fixed
Closed
Termination Cap
Air Supply Inlet
Gas Meter
G
G
Restriction Zone
(Termination not allowed)
N
O