Lennox SCH120 User Manual

Page 28
507964-01 9/2019
TABLE 10
SG/SC 120H Power Exhaust Fans Standard
Static Performance
Return Air System Static
Pressure
Air Volume Exhausted
in. wg. cfm
0.05 4085
0.10 3685
0.15 3280
0.20 2880
0.25 2475
TABLE 11
SG/SC 240 Power Exhaust Fans Standard Static
Performance
Return Air System Static
Pressure
Air Volume Exhausted - 240
in. wg. cfm
0.00 10,200
0.05 9700
0.10 9200
0.15 8600
0.20 8100
0.25 7600
0.30 6900
0.35 6000
0.40 5000
0.45 4150
0.50 - - -
TABLE 12
Factory Installed Drive Kit Specifications
Model No.
Nominal
hp
Maximum
hp
Drive Kit Number RPM Range
120 3 3.45
#3 (staged)
#4 (staged)
660 - 900
865 - 1080
240
5 5.75
#4 (staged)
#5 (staged)
520 - 685
685 - 865
7.5 8.63 #7 (staged) 770 - 965
TABLE 13
SG/SC 120 Manufacturer's Numbers
Drive No.
DRIVE COMPONENTS
ADJUSTABLE SHEAVE FIXED SHEAVE BELTS
Supplier No. OEM Part No. Supplier No. OEM Part No. Supplier No. OEM Part No.
3 (MSAV) 1VP40 X 7/8 79J0301 BK77 X 1 49K4001 BX57 78L5301
4 (MSAV) 1VP50 X 7/8 P-8-2187 BK80 X 1 53J9301 BX59 59A5001
TABLE 14
SG/SC 240 Manufacturer's Numbers
Drive No.
DRIVE COMPONENTS
ADJUSTABLE SHEAVE FIXED SHEAVE BELTS SPLIT BUSHING
Supplier No. OEM Part No. Supplier No. OEM Part No. Supplier No. OEM Part No. Supplier No. OEM Part No.
4 (MSAV) 1VP44 X 1-1/8 100239-07 BK110H 100788-06 BX68 88K3401 H-1-3/16 105616-02
5 (MSAV) 1VP50 X 1-1/8 P-8-1977 BK100H 100788-05 BX67 100245-09 H-1-3/16 105616-02
7 (MSAV) 1VP60 X 1-3/8 78L5501 BK110H 100788-06 BX71 31K9701 H-1-3/16 105616-02

Lennox SCH120 Specifications

General

Brand	Lennox
Model	SCH120
Category	Air Conditioner
Language	English