Desa VF-24N-BTB Gas Heater User Manual


 
111826-01F
For more information, visit www.desatech.com
9
9
INSTALLATION
Continued
MANTEL CLEARANCES
In addition to meeting noncom bus ti ble ma te ri al clearances, you must also
meet required clearances between fi replace open ing and mantel shelf. If
you do not meet the clear anc es listed below, you will need a hood.
Determining Minimum Mantel Clearance
If you meet min i mum clear ance be tween mantel shelf and top of
re place open ing, a hood is not required (see Figure 6).
Determining Minimum Mantel Clearance When
Using a Hood
If minimum clearances in Figure 6 are not met, you must have
a hood. When using a hood there are still certain min i mum
mantel clearances required. Fol low minimum clear anc es shown
in Fig ure 7 when using hood.
NOTICE: Surface temperatures of ad ja cent walls and
mantels be come hot dur ing operation. Walls and man-
tels above the fi rebox may become hot to the touch.
If installed properly, these tem per a tures meet the re-
quire ment of the national prod uct stan dard. Fol low all
minimum clear anc es shown in this manual.
NOTICE: If your installation does not meet the min-
i mum clear anc es shown, you must do one of the
fol low ing:
operate the logs only with the fl ue damper open
raise the mantel to an ac cept able height
remove the mantel
FLOOR CLEARANCES
A. If installing appliance on the fl oor lev el, you must maintain the
min i mum dis tance of 14" to combustibles (see Fig ure 8).
B. If combustible materials are less than 14" to the fi replace, you
must install ap pli ance at least 5" above the com bus ti ble fl oor ing
(see Figure 9).
Figure 6 - Minimum Mantel Clearances Without Using Hood
14"
Min.
Combustible
Material
Non-Combustible
Material
Hearth
5"
Min.
Combustible
Material
Figure 8 - Minimum Fireplace
Clearances If Installed at Floor
Level
Figure 9 - Minimum Fireplace
Clearances Above
Combustible Flooring
Figure 7 - Minimum Mantel Clearances When Using Hood
INSTALLATION
Mantel Clearances
Floor Clearances
Minimum Non-
Combustible
Material
Minimum Non-
Combustible
Material Height
Distances to
Underside of
Mantel
Top of Fireplace
Opening
Underside of
Mantel Shelf
12"
8"
(A)
18"
14"
20"
17"
22"
19"
24"
20"
All minimum
distances are
in inches
Log Set
24" Models
18" Model
2
1
/2
"
6"
8"
10"
Mantel Shelf
Minimum Non-
Combustible
Material
Hood
(GA6050,GA6052,
or GA6052)
Distances to
Underside of
Mantel
Top of Fireplace
Opening
Underside of
Mantel Shelf
8"
Min.
12" 15"
20"
All minimum
distances are
in inches
Log Set
18"-24" Models
2
1
/2
"
6"
8"
10"
Mantel Shelf
12"
18"