Lennox International Inc. o23v - Manual (Page 2)

Page 2
SPECIFICATIONS
Oil
H
ti
Model Number O23V2/3−70/90 O23V3/4−105/120 O23V5−140/154
Heating
Performance
Low Fire Input − Btuh (kW) 70,000 (20.5) 105,000 (30.8) 140,000 (41.0)
Performance
Output − Btuh (kW) 58,000 (16.7) 85,000 (24.9) 113,000 (33.1)
High Fire Input 90,000 (26.4) 119,000 (34.8) 154,000 (45.1) g
Output 74,000 (21.7) 97,000 (24.9) 125,000 (36.6)
1 A.F.U.E. 83% 81% 81%
Flue Connection Round − in. (mm) 6 (152) 6 (152) 6 (152)
Temperature Rise Range °F (°C) 50 − 80 (28 − 44) 50 − 80 (28 − 44) 55 − 85 (31 − 47)
Oil Burner Nozzle rating − gph (L/hr) − Low .50 (1.9) .65 (2.5) .85 (3.2)
4 High 4 .65 (2.5) 4 .75 (2.8) 4 1.00 (3.8)
Nozzle spray angle − Low 80
° hollow
80
° solid
80
° solid
4 High 80 ° solid 80 ° solid 80 ° solid
Oil Burner Pump 1 Stage 1 Stage 1 Stage
Oil Burner Pump Pressure − psig (Pa) 100 (690) 140 (965) 140 (965)
Oil Burner Air Inlet Connection (dia.) − in (mm) 4 (102) 4 (102) 4 (102)
Blower
Data Motor hp (W) 1/2 (373) 1/2 (373) 3/4 (560)
Data
Wheel nom. diameter x width − in. (mm) 10 x 8 (254 x 203) 10 x 10 (254 x 254) 12 x 11 (305 x 280)
Nominal add−on cooling − Tons (kW) 1.5 − 3 (5.3 − 10.6) 2 − 3.5 (7.0 − 12.3) 3 − 5 (10.6 − 17.6)
2 Filter Number of filters 1 1 3 2
Size of filters − in. 16 x 25 x 1 16 x 25 x 1 16 x 25 x 1
mm 406 x 635 x 25 406 x 635 x 25 406 x 635 x 25
Shipping weight Ċ lbs. (kg) 1 package 225 (102) 225 (102) 275 (125)
Electrical Characteristics 120V−60hz−1ph 120V−60hz−1ph 120V−60hz−1ph
Maximum overcurrent protection (amps) 15 15 15
Optional Accessories − Must Be Ordered Extra
Half−Height Coil Case 19M11 19M11 19M12 g
Fits uncased C33 coils B"−width B"−width C"−width
Dimensions − in. 5 x 19−1/2 x 21−3/4 5 x 19−1/2 x 21−3/4 5 x 22−1/2 x 22−7/8
mm 127 x 495 x 552 127 x 495 x 552 127 x 572 x 581
Oil Filters 10 micron without mounting bracket 81P89 81P89 81P89
10 micron with mounting bracket 53P92 53P92 53P92
Replacement cartridge − 10 micron, 45 gph 53P93 53P93 53P93
Filter restriction indicator gauge 53P90 53P90 53P90
SignatureStat t Home Comfort Control 81M27 81M27 81M27
Two Stage Oil Pump 65A44 65A44 65A44
1 Annual Fuel Utilization Efficiency based on U.S. DOE test procedures and FTC labeling regulations. Isolated combustion system rating for non−weatherized furnaces.
2 Cleanable frame type filters. Furnished with unit in Side Filter Adaptor Kit for field installation external to the cabinet.
3 Requires return air from both sides of cabinet.
4 Nozzle must be field provided for field conversion to higher heating input.