Superior GI-3821N Installation Instructions Manual page 7

Figure 8
Steo 10. Remove obstructino refractoriesand
secureany refractoriesieftinplace.~hefrontl'
125 mmlof the refractoriesmav be oainted with
;flat black finish for aesthetic'reaions. Attach
the warning label provided (Fipure 9 ) .
WARNING
DO NOT USE THIS FIREBOX
UNTIL ALL PARTS REMOVED
HAVE BEEN REPLACED. SEE
INSTALLATION INSTRUCTIONS.
PIN 901118
Figure
9
DO NOT USE FIREBOX FOR WOO0 FIRES
UNTILREFRACTORIES HAVE BEEN PUT BACK
INTO PLACE, AS WELL AS THE DAMPER,
MESH SCREENS AN0 FIRELOG GRATE.
Note: Inspect lowerrefractory or masonry fire-
place hearth, this surfacemust be level with the
fireplace front opening in order for the insert
lowergrillto belocatedasintended. Ensure that
this is the case before proceeding.
Step 11. Route Gas Line within the Firebox
Opening- Determine location of insert gas iine
connection. The gas insert may be sewiced
from a naturai or propane gas supply iine
entering the firebox opening from either side.
The gas inserts main control vaive inlet side is
on the iett Aflexiinefacili'ateseasy connection
to gas supply sources from either the right or
left sides.
gas line may not extend more than sir (6) 1
inches bevond a ~ o l n t defined as the front
/
extremeend oftheinsertedge (Flgure 10).This
dimension may not relate directly to the side of
the firebox because the edge of the insert may
not be closely related to the side of the firebox
opening and the tirebox side wall may taper
back at an angle that is different than the angie
of the gas insert side panels.
Nole:
Maxi m um
Oat
Line Dimensions
murl
nol
be
E~ceeded,
locludinn
any
Addition
ol
a
Shul - OW
Valve
Figure 10
Step 13. Install shutoff valve on the end of the
hard piping. The Uniform P!urnjing Code re-
quires that an approved operating valve be
instailed not morethan 4' (1.2 m)from the gas
outlet (burner).
Route Vent Ducling
Step 14. Prepare Chimney Terminus
-
Re-
move vent cap (prefabricated chimneys). To
prepare masonry chimney tops for the receipt
of a tiashing, the topof the chimney shouid be
smooth and flat wiihout any round~ng. Chip
away excess mortar to leave a flat and level
surface.
Step 15. Measure, trim and shape the exterior
top flashing tofittheexistingflueThe purpose
of the flashing is to prevent water, small ani-
mals and foreignobjectsfrom entering the area
between the flex ducting and the existing flue.
Plan fora l ' t o
1 W ( 2 5
mm to38 mm) overlap
on each side. Superior's
7
(178 mmj exterior
adapter is specifically designed to be used in
thisapplication. Centerthe holeoverthe chim-
ney opening, mark the flashing about 1 'h'
(38 mm) larger in each dimension than the
existing round chimney or masonry chimney
top, trim and notch with snips and bend edges
witha hand seaming tool. metal hreaknrpliers
(Figure 7 7 ) .
NOTE: OIAGMMS 6 ILLUS1RATIONS NOT TO SCALE
24Gayge
Oalvan~red
Shre! Metal
P
(51
mm)
7(178mm)
+
4,
Flashing
c0liariw
1'
(25
mm)
lo
1
W(38
mm)
4
~ O ~ i d e O i m e m i o n j
01
Chimney
Figure 11
Step 16. If the masonry chimney top isto large
to beaccommodated bySuperior's7'(178 mmi
exterior.adapter a locally manufactuied flash:
ina can befabricatedeasilvandfined toanvsize
"
,~
~
chimney top. This piece may be easily made at
a local sheet metal shop. The locally manufac-
tured piece should beof sufficientsizeto com-
pletely coverthe chimney top and befitted with
a
9 '
(229 mm) (approximateiy) hole in the
middle (Figure 17).
r
(178
mm)
Mcrior Adapter
Locally
Fabri c ate@
Flashing.
..--.-
Silicone
Seal a nt
k n 9 m m ]
Shaahnelal
"ol e
(a~prar.) Svewt
Figure 12
Note: A standard top flashing Is made of 24
( 7 mm) gauge galvanized sheet meal. Fit this
locally manufac!uredsheetmetalflashing over
the chimney lop and center the 7'
(1 78
mm)
domeadapterover the9'(229mm) holesecure
the exterior adapler to the flashing with sheet
metal screws and seal with heat resistant sili-
cone sealant (Figure 12).