Lennox ENVY Installation Instructions Manual page 10

LENNOX HEARTH PRODUCTS • SIGNATURE
Table 9: Fireplace Framing Specifications
Model
NV35IN / 39.75 in.
NVCD35IN 1010 mm
NV40IN / 44.75 in.
NVCD40IN 1137 mm
NV45IN / 49.75 in.
NVCD45IN 1264 mm
Vertical Venting Through the Ceiling:
To frame the ceiling opening, use a plumb line from the ceiling
above the appliance to locate center of the vertical run. Cut and/
or frame an opening, 10 1/2 x 10 1/2 in. (267 x 267 mm) inside
dimensions, about this center mark (Table 15).
f i r e - p a r t s . c o m
Table 10: Fireplace Specifications
Model A
NV35IN / 44.5 in.
NVCD35IN 1130 mm
NV40IN / 48.25 in.
NVCD40IN 1226 mm
NV45IN / 52.0 in.
NVCD45IN 1321 mm
Table 11: Corner Framing with Horizontal Termination
Model
NV35IN / 39.25 in.
NVCD35IN 1000 mm
NV40IN / 44.25 in.
NVCD40IN 1124 mm
NV45IN / 49.25 in.
NVCD45IN 1251 mm
NOTE: The horizontal vent length of "A" to "B" must not exceed 28 in. (711 mm).
10
SERIES DIRECT-VENT GAS FIREPLACES • ENVY/ENVY CD 35/40/45 • INSTALLATION INSTRUCTIONS
®
A B C
44.75 in. 24.0 in.
1137 mm 610 mm
48.5 in. 24.0 in.
1232 mm 610 mm
52.25 in. 24.0 in.
1327 mm 610 mm
B C
24.75 in. 28.75 in.
629 mm 730 mm
28.0 in. 33.75 in.
711 mm 857 mm
32.25 in. 38.75 in.
819 mm 984 mm
A B C
68.00 in. 48.10 in.
1727 mm 1222 mm
73.00 in. 51.60 in.
1854 mm 1311 mm
78.00 in. 55.10 in.
1981 mm 1400 mm
D
46.75 in.
Vent Framing - Top Vent
1187 mm
With One 90° Elbow
50.5 in.
1283 mm
54.25 in.
1378 mm
B
Inches (millimeters)
D E F
39.25 in. 21.85 in. 10.93 in.
997 mm 555 mm 278 mm
44.25 in. 27.0 in. 13.5 in.
1124 mm 686 mm 343 mm
49.25 in. 32.0 in. 16.0 in.
1251 mm 813 mm 406 mm
E
E
F
F
23
23
(584)
(584)
D E
13.75 in. 34.00 in.
349 mm 864 mm
15.50 in. 36.50 in.
394 mm 927 mm
17.25 in. 39.00 in.
438 mm 991 mm
DIAGRAMS & ILLUSTRATIONS ARE NOT TO SCALE.
10 1/2
(
267
5 1/8
(130)
D
C
A
1/2
A
C is the required framing depth dimension when the
finish material (drywall) thickness is 1/2 in. (13mm)
G
28.5 in.
724 mm
15 1/2 Standoff Assembly
15 1/2
32.25 in.
(394)
(394)
819 mm
36.0 in.
914 mm
FLUE OUTLET
FLUE OUTLET
A
4 1/2 (114)
A
4 1/2 (114)
COMBUSTION AIR
COMBUSTION AIR
7 1/2 (190)
7 1/2 (190)
14.75
14.75
(267)
(267)
a
C
A
B
Back wall of chase/enclosure
(including any finishing materials)
Framing should be
constructed of 2x4
or larger lumber
)
7
(178)
12 1/8
(308)
D
D
B
B
G
C
G
C
b
7 in.
D
(178 mm)
E