Lennox Hearth 775 - Manual (Page 8)

NOTE: DIAGRAMS & ILLUSTRATIONS NOT TO SCALE.
8
Remove the screws and support plate which
secure the stove legs to the pallet. Lift stove
off of the pallet and place it into position
(where unit is to be installed).
IMPORTANT NOTE: If propane is used, be aware
that if the tank size is too small (i.e. under
100-lbs, if this is the only gas appliance in the
dwelling. Ref. NPFA 58), there may be loss of
pressure, resulting in insuffi cient fuel delivery
(which can result in sooting or other malfunc-
tions). Any damage resulting from an improper
installation, such as this, is not covered under
the limited warranty.
TYPICAL INSTALLATION SEQUENCE
See the page numbers references in the
following steps for detailed procedures.
The typical sequence of installation follows,
however, each installation is unique resulting
in variations to those described.
Step 1. (page 8) Preparation - Plan and install
gas line, venting system and fl oor protection
(if necessary).
Step 2. (page 8) Remove outer carton. Remove
inner packages and packing materials and
set aside.
Step 3. (page 8) Remove stove from pallet
and place into positioned where unit is to be
installed.
Step 4. (page 8) Remove front glass enclosure
from stove and set aside.
Step 5. (page 8) Remove packaged materials
from inside fi rebox and set aside (log set, bag
of embers and NG to LP conversion kit).
Step 6. (page 9) Remove cardboard packag-
ing material from beneath relief door and
discard.
Step 7. (page 9) Install LP Conversion kit (if
necessary). Install any optional accessories
(excluding fi rescreens).
Step 8. (page 9) Install lower access door.
Step 9. (page 9) Venting System Installa-
tion.
Step 10. (page 13) Connect gas supply line
to the appliance. Purge Air.
Step 11. (page 13) Install log set, ember strip
and embers.
Step 12. (page 14) Reinstall front glass
enclosure.
Step 13. (page 14) Test all connections for
leaks (factory and fi eld).
Step 14. (page 14) Check appliance for proper
operation.
Step 15. (page 15) Adjust burner to ensure
proper fl ame appearance.
Step 16. (page 16) Install stove top, trivet
and ash lip.
DETAILED INSTALLATION STEPS
Step 1: PREPARATION - Plan and install gas
line and fl oor protection (if necessary - see Floor
Protection, page 5).
Gas Supply Line (reference Figure 18 on page
13) - Installing a gas supply line from the
fuel supply to the appliance involves numer-
ous considerations of materials, protection,
sizing, locations, controls, pressure, sediment,
and more. Certainly no one unfamiliar and
unqualifi ed should attempt sizing or installing
gas piping.
The gas supply line should be plumbed from
the fuel source to the area where the appliance
is to be installed per requirements outlined
in NFPA 54 - latest edition (USA) and B149
- latest edition (Canada).
Open both Latches as shown.
WARNING: NEVER OPERATE APPLIANCE
WITHOUT THE FRONT GLASS ENCLOSURE
PANEL IN PLACE AND SECURE.
WARNING: HANDLE GLASS WITH EXTREME
CARE! THE GLASS PANEL IS SUSCEPTIBLE
TO DAMAGE — DO NOT SCRATCH WHILE
HANDLING OR WHILE REINSTALLING THE
GLASS ENCLOSURE PANEL.
Figure 6
B. Reach under the bottom front of the front
glass enclosure and pull it forward as shown
in Figure 7.
Figure 7
C. Lift glass assembly up and out and carefully
set aside in a safe place (see Figure 8).
Figure 8
Suggested Sizing of Black Iron Pipe
Schedule 40 - Pipe Supply Line
Schedule 40 Pipe
Length (Feet)
Schedule 40 Pipe
Inside Diameter (Inches)
Natural
Gas
Propane
Gas
0-10 1/2 3/8
10-40 1/2 1/2
40-100 1/2 1/2
100-150 3/4 1/2
150-200 3/4 1/2
Table 6
Note: Install Leg Leveling Bolts if Necessary:
The four leg leveling bolts (included in literature
package), are provided for leveling the stove if
necessary. To install, thread the bolts into the
existing holes in the bottom of each leg. Turn the
leveling bolts to adjust for correct height.
A. Locate and open the 2 latches below the
stove body (See Figure 6).
Step 2: REMOVE PACKAGING - Remove the
large outer carton. Remove all the inner pack-
ages and packing materials and set aside. To
remove the ember strip package below the
stove body, carefully cut the 2 plastic ties
using scissors.
Step 3: REMOVE FROM PALLET -
The proper gas line diameter must be used
to run from the supply regulator (at the gas
company meter) to the appliance. Never use
galvanized or plastic pipe. Refer to table 6
for suggested sizing of the gas supply line if
black iron pipe is being used.
The gas supply line should be connected to
the appliance at step 10.
CAUTION: THE STOVE BODY IS VERY HEAVY.
THE USE OF A HEAVY DUTY ESCALARA
(STAIR STEP HAND TRUCK) IS RECOM-
MENDED FOR LIFTING THE STOVE BODY.
B. Remove stove body from pallet (READ
CAUTION BELOW).
A. Remove the trivet, then the cast iron stove top
by carefully lifting them up and off and setting
them aside (READ CAUTION BELOW).
CAUTION: THE CAST IRON STOVE TOP IS VERY
HEAVY AND MAY REQUIRE A MINIMUM OF
TWO PEOPLE TO LIFT; ONE PERSON ON EACH
SIDE (THE CI1500 SERIES CAST TOP WEIGHS
~20 POUNDS AND THE CI2500 SERIES CAST
TOP WEIGHS ~40 POUNDS).
Step 4: REMOVE FRONT GLASS ENCLO-
SURE PANEL - Remove the front glass
enclosure from stove as follows: