Blower Data - Lennox G24M SERIES Unit Information

Model No.
Input Btuh (kW)
Output Btuh (kW)
A.F.U.E.
R
California Seasonal Efficiency
Flue size connection diameter — in. (mm) round
o
Temperature rise range —
High static certified by A.G.A./C.G.A. — in wg. (Pa)
Gas Piping Size I.P.S. Natural or LPG/propane - - in (mm)
Blower wheel nominal Blower wheel nominal
diameter x width
Blower motor output — hp (W)
Nominal cooling Nominal cooling
that can be added
Shipping weight — lbs. (kg) 1 package
Electrical characteristics
LPG/propane kit
Twinning Kit
Up- - Flow/Horizontal Filter and Filter Rack Kits
No. and size of filters - - in. (mm)
c
Catalog No.
Down-flow
w No. & Size No. & Size
Filter Rack Filter Rack
of Filters
Down-flow Combustible Floor Base
Sidewall Power Venting Kit
Hanging Bracket Kit
R
Annual Fuel Utilization Efficiency based on U.S. DOE test procedures and according to FTC labeling regulations. Isolated combustion system rating f or non-weatherized
c furnaces.
o Polyurethane frame type filter is furnished with kit.
w 2 in. x 5 in. (51 mm x127 mm) flue adaptor furnished with -140 input furnaces for connection to furnace induced draft blower.
Filters are not furnished with kit and must be ordered extra.
External Static External Static
Pressure
in. w.g. Pa
0 0
.05 12
.10 25
.15 37
.20 50
.25 62
.30 75
.40 100
.50 125
.60 150
.70 175
NOTE — All air data is measured external to unit with 1 in. (25 mm) cleanable filter (not furnished) in place. Also see Filter Air Resistance table
F ( C)
E E
in.
mm
Tons
kW
H
Optional Accessories (Must Be Ordered Extra)
in.
mm
G24M2-45, G24M2-60 AND G24M2-75 BLOW
High
cfm L/s
1270 600
1245 590
1220 575
1195 565
1170 550
1140 540
1110 525
1060 500
990 465
900 425
800 380
SPECIFICATIONS
G24M3/4-120
120,000 (35.2)
98,400 (28.8)
80.0%
Not Available
4 (102)
.50 (125)
12 x 8
305 x 203
1/2 (373)
2, 2-1/2, 3, 3-1/2 or 4
7.0, 8.8, 10.6, 12.3 or 14.1
175 (79)
120 volts — 60 hertz — 1 phase (less than 12 amps) All models
Single Ten Pack
(1) 20 x 20 x 1 (508 x 508 x 25) (46J14)
LB-69843A
LB-79239B — 10 lbs. (4 kg)
(67J92)
LB-69957

BLOWER DATA

Air Volume at Various Blower Speeds
Medium-High
cfm L/s
980 460
975 460
975 460
965 455
960 455
950 450
940 445
910 430
880 415
810 380
740 350
3DJH 
G24M4/5(X)-120
80.1%
75.5%
45 - 75 (25 - 42)
1/2 (13)
12 x 9
305 x 229
3/4 (560)
3-1/2, 4, 5 or 6
12.3, 14.1, 17.6 or 21.1
H
LB-69845K
(81J14)
— 5 lbs. (2 kg)
96J69
(66K65)
(1) 20 x 20 x 1 (508 x 508 x 25)
— 3 lbs. (1 kg)
(32J01)
(2) 16 x 20 x 1
(2) 406 x 508 x 25
— 25 lbs. (11 kg)
79J15
— 15 lbs. (8 kg)
(46J66)
ER PERFORMANCE
Medium-Low
cfm L/s
770 365
770 365
770 365
765 360
760 360
760 360
760 360
750 355
740 350
690 325
630 295
G24M4/5-140
140,000 (41.0)
114,800 (33.6)
80.0%
Not Available
5 (127)
.65 (162)
190 (86)
Single Ten Pack
(58J93)
(66K66)
LB-79239C
— 12 lbs. (5 kg) (67J93)
Low
cfm L/s
570 270
565 265
565 265
560 265
560 265
555 260
550 260
545 255
540 255
530 250
520 245