Desa SF20NT Marking Screw Locations, Mark two screw locations on wall as shown in Figure

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 5. If you can, provide greater clearances from floor and joining wall.

Mark two screw locations on wall as shown in Figure 6).

20,000 Btu Heaters

16 7/8"

30,000 Btu Heaters

7"	24 5/16"
Min.

AdjoiningWall	Insert Mounting	18 3/4"
	Screws	Min.

Floor

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.

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. 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.

5.Insert mounting screws into wall anchors.

6.Tighten screws until screw head is 1/8" away from wall.

Figure 7 - Folding	Figure 8 - Popping
Anchor	Open Anchor Wings
	For Thin Walls

Placing Heater On Mounting Screws

1.Locate two top vertical key slots on back end panels of heater.

2.Place heater onto mounting screws.

Vertical

Key Slots

Figure 9 - Vertical Key Slots for Mounting

Heater to Wall

116307-01A www.desatech.com 9