Desa W32LT User Manual
W32LT WALL MANTEL AND BASE
ASSEMBLY AND INSTALLATION INSTRUCTIONS
IMPORTANT: Read entire instruction sheet before
assembling or installing mantel kit.
The W32LT mantel is only approved for use with
any DESA Heating, LLC 32" replace system and
universal replace. Do not use mantel with any
other product.
This mantel kit contains the following:
• Mantel pieces - unassembled and marked as follows:
#1 Base
#2 Right Side with arrow
#3 Right Front Leg with arrow
#4 Left Side with arrow
#5 Left Front Leg with arrow
#6 Header with arrow
#6A Header Extension
#7 Top
• Hardware Kit*
16 - Metal Brackets 118937-01
32 - Screws M6 x 12 mm (1/2") 121149-01
20 - Screws M6 x 30 mm (1 1/4") 121335-01
20 - Washers M6 121336-01
1 - Allen Wrench 121337-01
* Extra hardware may be included.
If any wood pieces are missing or damaged, contact the
dealer where you purchased this mantel for replacement. If
hardware is missing or damaged, contact DESA Heating, LLC
at 1-866-672-6040 for referral information. You can also visit
DESA Heating, LLC’s web site at www.desatech.com.
Note: Gather all mantel pieces together before assembling
mantel.
WARNING: Use only 1/2" screws to attach metal
angle brackets. Damage to mantel will result if other
screws are used for this purpose.
ASSEMBLING MANTEL
IMPORTANT: More than one person is required to assemble and lift mantel.
Estimated assembly time: 45 minutes.
When assembling mantel do not tighten screws completely
until told to do so. There should be some play in the pieces
to allow for proper alignment and best possible t. It is very
important that more than one person assemble mantel together.
Panels must be held in proper alignment to each other while
tightening screws to assure fewer gaps and proper surface
alignment. When tightening screws, do not over tighten. This
may cause threads to strip. For this reason, the supplied Al-
len wrench should be used rather than a power screwdriver.
Panels have threaded inserts installed at screw locations.
Screws should start and turn easily in threaded holes when
assembled according to instructions. Do not force screws
into holes.
IMPORTANT: There is a serial number label inside of right
side panel and on outside package. When calling to request
technical assistance or for replacement parts please have
that number ready.
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LEG ASSEMBLY
1. Lay right side panel (#2) face down on a soft surface
to avoid marking nish. Attach three brackets with 1/2"
screws to bottom of right front leg (#3) leaving screws
slightly loose. Face brackets out toward tongued side
(see Figure 1). Place right front leg over right side (#2)
matching groove in leg to tongue on side, as shown in
Figure 1, matching trim on side with trim on front. Align
threaded holes with brackets on side. Start three 1/2"
screws through brackets. Align bottom of side and leg
assembly so they are ush with each other. Hold these
pieces securely in alignment while tightening (but not
over tightening) screws.
2. Assemble left side (#4) and left leg (#5) as described in
step 1.
3. Attach 6 brackets to base (#1) at threaded hole locations
using 1/2" screws leaving screws loose. Face brackets
toward outside.
4. Place right side/leg assembly on base and align threaded
holes with brackets. Start 1/2" screws through brackets
into threaded holes in side/leg assembly. Back of side/
leg assembly should be ush with back of base. Assure
alignment is correct and spaces are at a minimum. Leave
screws slightly loose.
Tongue on
Leg Side
Leg Side (#4)
Bracket
1/2" Screw
Groove in
Leg Front
Leg Front (#5)
Groove in
Leg Front
5. Assemble left side/leg assembly to base (#1) following
step #4.
Right
Side/Leg
Assembly
Base (#1)
Bracket
1/2" Screw
Figure 2 - Leg Assembly to Base
HEADER ASSEMBLY
1. Using 1/2" screws, secure brackets to two threaded holes
at both ends of header (#6). Turn brackets to the outside.
2. Place header extension (#6A) onto bottom edge of header
aligning holes in extension with threaded holes in header
(see Figure 3). Using two 1 1/4" screws with washers and
Allen wrench provided, attach extension to header but do
not completely tighten screws.
Leg Front (#3)
Tongue on
Leg Side
2
Leg Side (#2)
Figure 1 - Right and Left Leg Assemblies
Bracket
1/2" Screw
1 1/4"
Screw
with
Washer
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Header (#6)
Header
Extension (#6A)
Figure 3 - Attaching Header Extension
119494-01C
3. Place header assembly into position on top of leg assemblies with arrow pointing up. Bottom of header will
slide in behind upper portion of leg front panels and rest
on shoulders (see Figure 4). Align bracket holes with
threaded inserts in leg assemblies. Using four 1/2" screws
through brackets, attach header to leg assemblies. Leave
screws loose.
4. Using two 1 1/4" screws with washers, attach header
extension to leg assemblies as shown in Figure 3, page
2, but do not tighten.
Header (#6) with
Extension (#6A)
Threaded
Insert
Bracket
1/2" Screw
Shoulder of
Leg Front
Panel
MANTEL TOP ASSEMBLY
Place mantel top (#7) on mantel assembly. Align back of top
with back of sides. Using four 1 1/4" screws with washers, place
two in each mantel side assembly (see Figure 5). Using three
1 1/4" screws with washers, attach top to header.
Mantel Top
(#7)
Washer
1 1/4"
Screw
Mantel Side
Assembly
Figure 4 - Installing Header Assembly
Figure 5 - Attaching Mantel Top
FINISHING MANTEL
Starting with left side leg assembly and with one person
holding parts in alignment, tighten screws using Allen wrench
provided. Tighten screws on the right side leg assembly,
header extension, header, top assembly and base.
GAS FIREPLACE INSTALLATION
1. Fireplace should be fully assembled. See Assembling
Fireplace in replace owner’s manual.
2. Place mantel base close to installation location. See re-
place owner’s manual for installation clearances. Leave
enough room to insert replace from back of mantel.
3. Install gas line. See Connecting to Gas Supply in replace
owner’s manual. Remember to leave access to the gas
shutoff valve somewhere on the base or where it is ac-
cessible to the user.
4. Check for leaks. See Checking Gas Connections in re-
place owner’s manual.
119494-01C
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3
5. Position replace inside mantel (see Figure 6). Carefully position gas lines. IMPORTANT: Use caution when
positioning replace on base. Base may scratch easily.
Make sure replace is in proper position within mantel
opening before continuing with installation.
6. Fireplace with louver door: Lower bottom louver door.
Use two screws provided in hardware package and attach
replace to wooden base. Close louver door
Fireplace with xed louver: Before installing logs or
burner assembly (see owner’s manual) remove screws
securing oor to assembly. Lift oor for access to bottom of replace. Use two screws provided in replace
hardware package and attach replace base to wooden
base. Reinstall oor with screws removed previously.
7. If mantel trim that came with your replace has not yet
been assembled, see Assembling Perimeter Trim. Place
metal trim on shoulder screws. Firmly snap trim assembly
over shoulder screws on replace.
8. Carefully push mantel and base into position against
wall.
ASSEMBLING PERIMETER TRIM (If Supplied
with Gas Fireplace)
1. Remove packaging from three pieces of metal trim.
2. Locate two adjusting plates with set screws, and two
shims in the hardware packet.
3. Align shim under adjusting plate as shown in Figure 7.
4. Slide one end of adjusting plate/shim in slot on mitered
edge of top trim (see Figure 7).
5. Slide other end of adjusting plate/shim in slot on mitered
edge of side trim (see Figure 7).
6. While rmly holding edges of trim together, tighten both
set screws on the adjusting plate with slotted screw-
driver.
7. Repeat steps 2 through 6 for other corner.
Set Screws
Adjusting
Plate
Shim
Slot
Top Trim
Mitered Edge
Side Trim
Figure 6 - Installing Fireplace
Slot
Figure 7 - Assembling Trim
DESA Heating, LLC
2701 Industrial Drive
Bowling Green, KY 42101
www.desatech.com
1-866-672-6040
119494-01
Rev. C
08/08
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