D u c a n e G a s F u r n a c e
UNIT SPECIFICATIONS
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| CMPB050C3B | CMPB075C3B |
| CMPB100C4B | CMPB125C5B | |||
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GAS |
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| NATURAL (LP WITH CONVERSION KIT) |
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INPUT RATE (BTU per Hour) | 50,000 |
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| 75,000 |
| 100,000 |
| 125,000 | |
AFUE (ISOLATED COMB. SYSTEM) |
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| 92% |
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TEMPERATURE RISE |
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VOLTS/PHASE/HERTZ |
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| 115/1/60 |
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STATIC PRESSURE (certified max) |
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| 0.50”W.C. |
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HEATING, AIR FLOW @ .20" STATIC (w/o FILTER) | 1060CFM |
| 1280CFM |
| 1690CFM |
| 1940CFM | ||
COOLING, AIR FLOW @ .50" STATIC (w/o FILTER) | 1205CFM |
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| 1795CFM |
| 2115CFM | |||
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BLOWER MOTOR HORSEPOWER | 1/3 |
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| 1/2 |
| 3/4 | |||
BLOWER WHEEL SIZE (dia x width) |
| 10 X 6 |
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| 12 X 9 |
| 12 X 12 | ||
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NUMBER OF HEAT EXCHANGERS | 2 |
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| 3 |
| 4 |
| 5 | |
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FLUE AND AIR INLET |
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| 2” |
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| 3” |
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(schedule 40 PVC, ABS or CPVC used on all) |
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LIMIT CONTROL, SNAP DISC STYLE | 150°F |
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| 170°F |
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GAS VALVE/IGNITION CONTROL | INTEGRATED FURNACE CONTROL W/115V HSI SYSTEM |
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TRANSFORMER | 40 VA. 115 VAC PRIMARY, 24 VAC SECONDARY, | ||||||||
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MAXIMUM OUTLET TEMPERATURE |
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| 180°F |
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SHIPPING WEIGHTS | 152 |
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| 158 |
| 187 |
| 217 | |
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| NOTES: C= Counterflow (CMPB050C3) |
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AIR FLOW DATA
| BLOWER |
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| EXTERNAL STATIC |
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MODEL NUMBER | SPEED | 0.1 | 0.2 | 0.3 | 0.4 | 0.5 | 0.6 | 0.7 | 0.8 | 0.9 | 1.0 |
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CMPB050C3B | LOW | 1080 | 1060 | 1030 | 1000 | 965 | 905 | 840 | 765 | 655 | 525 |
(10 X 6 WHEEL, 1/3 HP MOTOR) | MED | 1330 | 1280 | 1225 | 1175 | 1110 | 1040 | 965 | 875 | 770 | 630 |
| HIGH | 1490 | 1420 | 1360 | 1285 | 1205 | 1125 | 1070 | 985 | 880 | 750 |
CMPB075C3B | LOW | 1080 | 1060 | 1030 | 1000 | 965 | 905 | 840 | 765 | 655 | 525 |
(10 X 6 WHEEL, 1/3 HP MOTOR) | MED | 1330 | 1280 | 1225 | 1175 | 1110 | 1040 | 965 | 875 | 770 | 630 |
| HIGH | 1490 | 1420 | 1360 | 1285 | 1205 | 1125 | 1070 | 985 | 880 | 750 |
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CMPB100C4B | LOW | 1420 | 1400 | 1360 | 1335 | 1290 | 1245 | 1190 | 1120 | 1060 | 995 |
(12 X 9 WHEEL., 1/2 HP MOTOR) | MED | 1715 | 1690 | 1665 | 1610 | 1550 | 1480 | 1400 | 1320 | 1245 | 1145 |
| HIGH | 2055 | 2020 | 1945 | 1865 | 1795 | 1710 | 1640 | 1535 | 1410 | 1340 |
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CMPB125C5B | LOW | 1425 | 1400 | 1375 | 1345 | 1320 | 1290 | 1245 | 1185 | 1120 | 1035 |
(12 X 12 WHEEL, 3/4 HP MOTOR) | MED | 1980 | 1940 | 1895 | 1835 | 1785 | 1720 | 1645 | 1575 | 1475 | 1385 |
| HIGH | 2395 | 2340 | 2275 | 2210 | 2115 | 2025 | 1925 | 1825 | 1720 | 1610 |
NOTES:1) Air flow values in cubic feet per minute (CFM), rounded to nearest five (5) CFM 2) Data taken without filters or AC coil in place
