Vanguard Heating VMH3000TN - Manual (Page 10)

10 104431
NATURAL GAS RESIDENTIAL HEATERS
®
INSTALLATION
Continued
Figure 14 - Folding Anchor
Figure 15 - Popping Open Anchor Wings
For Thin Walls
Figure 16 - Mounting Heater Onto Mount-
ing Bracket
Horizontal Slots
Mounting Bracket
(attached to wall)
Stand-Out
Tab
Installing Bottom Mounting
Screws
1. Locate two bottom mounting holes.
These holes are near bottom on back
panel of heater (see Figure 17).
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 un-
der Attaching To Wall Anchor Method.
If installing bottom mounting screw
into wall stud, drill holes at marked lo-
cations using 9/64" drill bit.
5. Replace heater onto mounting bracket.
6. Place spacers between bottom mount-
ing 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 and 13).
Figure 17 - Installing Bottom Mounting
Screws
Attaching To Wall Anchor Method
For attaching mounting bracket to hollow
walls (wall areas between 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 14.
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. Place mounting bracket onto wall. Line
up last hole on each end of bracket with
wall anchors.
6. Insert mounting screws through bracket
and into wall anchors.
7. Tighten screws until mounting bracket
is firmly fastened to wall.
Placing Heater On Mounting
Bracket
1. Locate two horizontal slots on back
panel of heater.
2. Place heater onto mounting bracket.
Slide horizontal slots onto stand-out
tabs on mounting bracket.