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Lennox Hearth C160 ユーザーズマニュアル

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This appliance is approved for use in a masonry fireplace built to UBC 
Chapter 37 or equivalent with a minimum 25-1/2” (648 mm) width open-
ing at the front of the fireplace.
This heater is designed to be installed into an existing masonry fireplace 
(built to UBC 37 or ULC S628 standards) or factory-built, solid-fuel and 
wood-burning fireplaces (listed to UL 127 or ULC S610) only. 
Do not remove brick or mortar from masonry fireplace to accommodate 
insert.  Approved with or without positive flue connection.  Approved 
with minimum 6” (152 mm) diameter stainless steel listed reline system.  
Lennox Hearth Products inserts are tested to UL 1482 / ULC S628 and 
listed by OMNI-Test Laboratories, Inc.; Portland, OR.
IMPORTANT  NOTE:    See  Draft  Requirements  and  Selecting  a  Proper 
Venting System on Page 4 to assist you in choosing the proper venting 
system for your installation.
Remove  and  clean  behind  unit  frequently,  as  creosote  build-up  may 
occur rapidly.
9
CHIMNEY REQUIREMENTS
Note: Although not required, a full-length stainless steel liner is recom-
mended for optimum safety and performance.  See your Lennox Hearth 
Products dealer for details.
Note:  When installing your fireplace insert with a positive flue connec-
tion, be sure to leave the insulation off the surround panels (flanges) 
and leave  a 1/4” (6 mm) airspace between the surround panels and the 
facing of your fireplace.
1. READ ENTIRE INSTALLATION INSTRUCTIONS.
2. Check all REQUIRED CLEARANCES as specified in the previous section 
(Page 7) of this installation and operation manual.
3. Wear gloves during installation in case of sharp edges on the fireplace 
insert and it’s parts
4. Open or remove the existing fireplace damper.  Make sure the damper 
cannot fall closed.
5. Install the two 1/2” x 3” (13 mm x 76 mm) leveling bolts -heads up- a 
few turns in the leveling nuts on each side of the outer chamber of the 
insert at the lower rear corners.
6. Position the insert in the center of the fireplace opening and push it 
back until the surround brackets are approximately 2” (51 mm) away 
from the fireplace front.
7. Install the side surround panels and push the insert up snug against 
the fireplace face.  Then with the location selected remove the surround 
panels and level the fireplace insert with the leveling bolts using a 3/4” 
(19 mm) socket, extensions (to reach the bolt head) and a ratchet.
8. Glue the insulation around the outer edge of both the top and side 
surround panels.
9.  Install the surround panels loosely, align and tighten.  Check for a tight 
fit against the fireplace.
10. Install the brick and baffle as per instructions on Page 6.
INSTALLATION PROCEDURES - MASONRY CHIMNEY
Listed Material
k (per inch)
r (per inch)
Listed Min. Thickness
Listed Material 
.84
K
L
1.19
r
L
3/4
" 
(.75")
T
L
** Approved Alternate Materials for Floor/Hearth Protection
Alternative Materials
Thermal Values
Minimum Thickness
(rounded to nearest 1/8 inch)
k (per inch)
K
M
r (per inch)
r
M
Min. Thickness
T
M
Kaowool M Board
.47
2.13
.42" (1/2") 
Micore 160™
U.S. Gypsum
.35
2.86
.31" (3/8")
Micore 300™
U.S. Gypsum
.46
2.17
.41" (1/2") 
Durock™ Cement Board
U.S. Gypsum
1.92
.52
1.71" (1-3/4")
Hardibacker™
1.95
.51
1.74" (1-3/4")
Hardibacker 500™
2.30
.43
2.05" (2-1/8")
Cultured  Stone  Hearth-
stone™
2.82
.35
2.52" (2-5/8")
Wonderboard
3.23
.31
2.88" (3")
Super Firetemp M 
Johns-Manville
.61
1.64
.54" (5/8")
Super Firetemp L 
Johns-Manville
.54
1.85
.48" (1/2")
Face brick
9.00
.111
8.04" (8-1/8")
Common brick
5.00
.20
4.46” (4-1/2")
Cement mortar
5.00
.20
4.46” (4-1/2")
Ceramic tile
12.5
.08
11.16" (11-1/4")
Marble
~11
~.09
9.82" (9-7/8")
Table 3 - CANADA REQUIREMENTS
Using the k formula:
Minimum   
 
k-value (per Inch) of     
Specified min.
thickness of   =    alternate material (k
M
)  x  
thickness 
alternate   
 
k-value  (per inch)   
 
of listed 
material (T
M
)     
of listed material (k
L
)    
material (T
L
)
T
M
 (inches)     =                   
k
M
                  
x  
T
L
  
 
   
         *.84                 
T
M
 (inches)     =              *.35                  
x  
.75"  
 
   
         *.84
.312  (inches)=    
          .417       
x  
.75"  
Answer - The minimum required thickness of the Micore 160 is .312" therefore
round up to nearest standard thickness available which is 3/8” (.375”)
Minimum   
 
r-value (per Inch)   
 
Specified min.
thickness of   =    of listed material  
x  
thickness 
alternate   
 
r-value  (per inch)   
 
of listed 
material   
 
of alternate material    
material 
T
M
 (inches)     =                   
r
L
                  
x  
T
L
  
 
   
            r
M
  
T
M
 (inches)     =              *1.19                   x  
.75"  
 
   
         *2.86
.312  (inches)=    
          .416       
x  
.75"  
Answer - The minimum required thickness of the Micore 160 is .312" therefore
round up to nearest standard thickness available which is 3/8” (.375”)
Using the r formula:
FOLLOWING  EXAMPLES  ARE  CALCULATED  FOR  CANADA  REQUIR-
MENTS