Desa WMN20A - Manual (Page 11)

www.desatech.com 124002-01C 11
Figure 12 - Installing Bottom Mounting
Screws
Side View
Front View
Wall
Spacer
Heater
Installing Bottom Mounting Screws
1. Locate two bottom mounting holes. These
holes are near bottom on back panel of
heater (see Figure 12).
2. Mark screw locations on wall.
3. Remove heater from mounting bracket.
4. If installing bottom mounting screws into
hollow or solid wall, install wall anchors.
Follow steps 1 through 4 under Attaching
To Wall Anchor Method, page 10.
If installing bottom mounting screw into
wall stud, drill holes at marked locations
using 9/64" drill bit.
5. Replace heater onto mounting bracket.
6. Place spacers between bottom mounting
holes and wall anchor or drilled hole.
7. Hold spacer in place with one hand. With
other hand, insert mounting screw through
bottom mounting hole and spacer. Place
tip of screw in opening of wall anchor or
drilled hole.
8. Tighten both screws until heater is firmly
secured to wall. Do not over tighten.
Note: Do not replace front panel at this
time. Replace front panel after making
gas connections and checking for leaks
(see pages 12 through 14).
INsTallaTIoN
Continued
MOUNTING HEATER TO FLOOR
WITH OPTIONAL FLOOR KIT
Mounting Base Feet to Heater
Note: A 90° elbow is required for mounting this
unit and must be installed BEFORE base feet
to provide proper clearance (see Figure 15).
1. Lay heater cabinet on its back on a table
with the heater bottom overhanging table
edge.
2. Apply pipe joint sealant lightly to male NPT
threads of elbow. Hold pressure regulator
with a wrench when connecting elbow.
Do not overtighten elbow to regulator.
Regulator body could be damaged.
3. Align holes in base foot with mounting holes
on bottom of cabinet (see Figure 13).
4. Secure base foot to heater using sheet
metal screws.
5. Repeat for other side.
Figure 13 - Installing Base Feet
Sheet Metal Screw
Wood
Screw
Base Foot
Mounting Base Feet to Floor
1. Remove front panel (see Removing Front
Panel of Heater, page 9).
2. Position heater with base feet in desired
location. Mark holes for drilling. Remove
heater with base.
3. For carpeted floors, make a small cut with
a sharp knife at marked locations prior to
drilling. If mounting base to a wood floor,
drill 1/8" diameter hole, 3/4" deep. (Do not
use anchors in wood floors).
If mounting base to a concrete floor, drill
with 1/4" diameter concrete drill bit, 1
3 /
8
"
into floor. Insert anchors completely into
holes.
4. Reposition heater with base feet over
holes. Secure base to floor with wood
screws. See Figure 13.