Desa LSF20NT Safety Information And Installation Manual page 9

INSTALLATION
Continued
Decide which method better suits your needs. Either
method will provide a secure hold for the heater.
Marking Screw Locations
WARNING: Maintain mini-
mum clearances shown in
Figure 4. If you can, provide
greater clearances from floor
and joining wall.
Mark three screw locations on wall as shown
in Figure 6).
7"
Min.
9"
Min.
Figure 6 - Wall Mounting Clearances
Locate hardware packet behind left side door
of heater.
Attaching To Wall Stud Method
For attaching heater to wall studs
1. Drill holes at marked locations using 9/64"
drill bit. Holes must be level to prevent com-
plications with front panel.
2. Tighten screws until screw head is 1/8" away
from wall.
Attaching To Wall Anchor Method
For attaching heater to hollow walls (wall areas be-
tween studs) or solid walls (concrete or masonry).
1. Drill holes at marked locations using 5/16"
drill bit. Holes must be level to prevent com-
plications with front panel. For solid walls
(concrete or masonry), drill at least 1" deep.
2. Fold wall anchor as shown in Figure 7.
3. Insert wall anchor (wings first) into hole. Tap
anchor flush to wall.
4. For thin walls (1/2" or less), insert red key
into wall anchor. Push red key to "pop" open
anchor wings. IMPORTANT: Do not hammer
key! For thick walls (over 1/2" thick) or solid
walls, do not pop open wings.
116307-01B
20,000 Btu Heaters
16 / "
7
8
30,000 Btu Heaters
24 / "
5
16
Insert
Mounting
18
Screws
Min.
Floor
www.desatech.com
Figure 7 - Folding
Anchor
Placing Heater On Mounting Screws
1. Locate two top vertical key slots on back end
panels of heater.
2. Place heater onto mounting screws.
/ "
3
4
Figure 9 - Vertical Key Slots for Mounting
Figure 8 - Popping
Open Anchor Wings
For Thin Walls
Vertical
Key Slots
Heater to Wall
9