Install Plastergrounds; Side And Rear Outlet Registers; Vent Enclosure Kit Installation; Side Casing Grille Kit - Williams 5508332 Owner's Manual

Optional Accessory Installation (cont.)
INSTALL PLASTERGROUNDS
Install Plastergrounds as shown in Figs. 29 and 30.
Flanges of Plastergrounds extend the normal thickness
of plaster. If "DRYWALL" or other thin material, flanges
must be trimmed off flush with wall surface.
REAR PLASTER GROUND CENTERS EXACTLY
ON THE BACK OF THE HEATER
EXACTLY 41/2 FROM BACK OF THE HEATER
- PLASTER GROUND
t
1/4 ROUND METAL
TRiM FILLER
Press Inner Boot against furnace Inner Liner, mark and
cut off flush with the wall surface.
Fasten Outer Boot securely to furnace casing with screws
provided.
SIDE OUTLET ONLY
Position inner Boot against furnace Inner Liner and fasten
securely through all holes with screws provided.
._ ._ PLASTER
" GROUND
15_/4"
FLOOR
MOUNTING
Refer to Fig. 31.
BEFORE placing the furnace into position, place Out Boot
against the furnace casing with inside of flanges exactly
on edges of hole in casing. Mark hole locations on cas-
ing through the holes in Out Boot flanges
Drill #33 holes in casing at marked locations.
Remove knockout plate and knockouts for screws from
Inner Liner.
SIDE REGISTER ONLY
Secure a 1 x 1 wood strip (not included in this kit) to wall
surface next to side outlet as a backup for metal filler strips.
Fasten metal filler strips to side of furnace casing with front
surface exactly opposite front of wood backup strip.
SIDE AND REAR OUTLET REGISTERS
Place furnace in position.
With furnace in position, pass Outer Boot through Plaster-
grounds, holding it firmly against furnace casing. Mark and
cut off the end of the Outer Boot flush with the wall surface.
REAR OUTLET ONLY
Ptace Inner Boot in position and fasten with screws along
the top and bottom edges only. Place Damper Assembly
inside Inner Boot and fasten with one (1) screw on each
side. Thread chain through key hole in clip on Outer Grille
and attach the Bell end.
SIDE AND REAR OUTLETS
Place Outlet Grille into position, drill through the wall
material and Plasterground with a #33 drill bit, using
the holes in grille as a template and secure with screws
provided.
VENT ENCLOSURE KIT INSTALLATION
(SURFACE MOUNT ONLY)
Refer to Fig. 32, page 23.
Cut Side Panels to fit between the top of furnace casing
and ceiling.
Fasten Side Panels to wall parallel to furnace casing sides.
Cut Front Panel height to fit. Note that the bottom edge of
Front Panel is notched to fit into the furnace casing recess.
Fasten Front Panel to Side Panels with screws provided.
SIDE CASING GRILLE KIT NO. 6702
See clearances Fig. 33, page 23.
Locate marked opening(s) on furnace casing. Mark
and cut an opening 1 inch wider than opening already
marked (1/2 inch larger on all four sides). See Fig. 13,
page 12.
Remove knockout plate and knockouts for screws from fur-
nace inner liner.
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