Table 1B — Physical Data — 48EJ,EK,EW,EY Units
UNIT 48EJ,EK,EW,EY |
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| 024D/E |
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| 028D/E |
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| 030D/E |
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| 034D/E |
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NOMINAL CAPACITY (tons) |
| 20 |
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| 25 |
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| 27.5 |
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| 30 |
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OPERATING WEIGHT (lb) |
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| For Operating Weights see Table 2. |
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COMPRESSOR |
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Type Ckt 1 |
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| 06D328 |
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| 06D328 |
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| 06D537 |
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| 06D537 |
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Ckt 2 |
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| 06D818 |
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| 06D328 |
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| 06D328 |
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| 06D537 |
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Number of Refrigerant Circuits |
| 2 |
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| 2 |
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| 2 |
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| 2 |
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Oil (oz) (Ckt 1, Ckt 2) |
| 115, 88 |
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| 115 ea. |
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| 115 ea. |
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| 115 ea. |
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REFRIGERANT TYPE |
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Operating Charge |
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Circuit 1* |
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Circuit 2 |
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CONDENSER COIL |
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Quantity |
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| 1 |
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| 1 |
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| 1 |
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| 1 |
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Rows...Fins/in. |
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| 4...15 |
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| 4...15 |
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| 4...15 |
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| 4...15 |
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Total Face Area (sq ft) |
| 33.3 |
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| 33.3 |
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| 33.3 |
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| 33.3 |
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CONDENSER FAN |
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| Propeller Type |
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Nominal Cfm |
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| 13,420 |
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| 13,420 |
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| 13,420 |
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| 13,420 |
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Quantity...Diameter (in.) |
| 2...30 |
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| 2...30 |
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| 2...30 |
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| 2...30 |
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Motor Hp (1075 Rpm) |
| 1 |
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| 1 |
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| 1 |
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| 1 |
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EVAPORATOR COIL |
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| Aluminum Plate Fins, Intertwined Circuits |
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Rows...Fins/in. |
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| 4...15 |
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| 4...15 |
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| 4...15 |
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| 4...15 |
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Total Face Area (sq ft) |
| 31.7 |
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| 31.7 |
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| 31.7 |
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| 31.7 |
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EVAPORATOR FAN |
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| Centrifugal Type |
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Quantity...Size (in.) |
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| 2...20x15 |
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| 2...20x15 |
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| 2...20x15 |
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| 2...20x15 |
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Type Drive |
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| Belt |
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| Belt |
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| Belt |
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Nominal Cfm |
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| 8,000 |
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| 10,000 |
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| 11,000 |
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| 12,000 |
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Motor Hp |
| 5 |
| 10† |
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| 15 | 7.5 |
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| 10† |
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| 15 |
| 10 |
| 15† |
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| 20 |
| 10 |
| 15† |
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| 20 |
Motor Frame Size (Standard) | S184T |
| S215T |
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| D254T | S213T |
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| S215T |
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| D254T |
| S215T |
| D254T |
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| S256T |
| S215T |
| D254T |
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| S256T | |
(High Efficiency) |
| S184T |
| S215T |
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| S254T | S213T |
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| S215T |
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| S254T |
| S215T |
| S254T |
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| S256T |
| S215T |
| S254T |
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| S256T |
Motor Bearing Type |
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| Ball |
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| Ball |
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| Ball |
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| Ball |
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Maximum Allowable Rpm |
| 1200 |
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| 1200 |
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| 1200 |
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| 1200 |
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Motor Pulley Pitch Diameter | 4.9 |
| 4.4 |
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| 5.7 | 5.4 |
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| 6.1 |
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| 5.5 |
| 4.4 |
| 4.9 |
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| 5.9 |
| 4.4 |
| 5.7 |
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| 5.9 | |
Nominal Motor Shaft Diameter (in.) | 11/8 |
| 13/8 |
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| 15/8 | 13/8 |
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| 13/8 |
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| 15/8 |
| 13/8 |
| 15/8 |
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| 15/8 |
| 13/8 |
| 15/8 |
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| 15/8 | |
Fan Pulley Pitch Diameter (in.) | 12.4 |
| 8.6 |
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| 9.1 | 12.4 |
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| 11.1 |
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| 8.7 |
| 9.4 |
| 8.1 |
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| 8.7 |
| 9.0 |
| 9.1 |
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| 8.7 | |
Nominal Fan Shaft Diameter (in.) |
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| 115/16 |
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| 115/16 |
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| 115/16 |
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| 115/16 |
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Belt, Quantity...Type |
| 1...BX56 |
| 2...BX50 |
| 2...5VX530 | 1...BX56 |
| 1...5VX570 |
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| 2...5VX530 | 2...BX50 |
| 2...5VX500 |
| 2...5VX530 | 2...BX50 |
| 2...5VX530 |
| 2...5VX530 | ||||||
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Belt, Length (in.) |
| 56 |
| 50 |
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| 53 | 56 |
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| 59 |
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| 57 |
| 50 |
| 50 |
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| 53 |
| 50 |
| 53 |
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| 53 |
Pulley Center Line Distance (in.) |
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| 15.6 |
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Factory Speed Setting (rpm) | 717 |
| 924 |
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| 1096 | 773 |
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| 962 |
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| 1106 |
| 848 |
| 1059 |
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| 1187 |
| 884 |
| 1096 |
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| 1187 | |
FURNACE SECTION |
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Rollout Switch Cutout Temp (F)** |
| 225 |
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| 225 |
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| 225 |
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| 225 |
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Burner Orifice Diameter |
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(in. ...drill size) |
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Natural Gas | Std |
| .111...34 |
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| .111...34 |
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| .111...34 |
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| .111...34 |
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Liquid Propane | Alt |
| .089...43 |
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| .089...43 |
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| .089...43 |
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| .089...43 |
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Thermostat Heat Anticipator |
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Setting (amps) |
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Stage 1 |
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| 0.1 |
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| 0.1 |
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| 0.1 |
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| 0.1 |
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Stage 2 |
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| 0.1 |
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| 0.1 |
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| 0.1 |
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| 0.1 |
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Gas Input (Btuh) | Stage 1 Low |
| 265,600 |
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| 265,600 |
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| 265,600 |
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| 265,600 |
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| High |
| 398,400 |
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| 398,400 |
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| 398,400 |
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| 398,400 |
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| Stage 2 Low |
| 350,000 |
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| 350,000 |
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| 350,000 |
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| 350,000 |
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| High |
| 525,000 |
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| 525,000 |
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| 525,000 |
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| 525,000 |
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Efficiency (Steady State) (%) |
| 82 |
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| 82 |
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| 82 |
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| 82 |
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Temperature Rise Range |
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Gas Pressure to Unit Range (in. wg) |
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Manifold Pressure (in. wg) |
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Natural Gas | Std |
| 3.5 |
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| 3.5 |
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| 3.5 |
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| 3.5 |
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Liquid Propane | Alt |
| 3.5 |
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| 3.5 |
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| 3.5 |
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| 3.5 |
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Gas Valve Quantity |
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| 2 |
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| 2 |
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| 2 |
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| 2 |
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Field Gas Connection Size |
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| 1.5 |
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| 1.5 |
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| 1.5 |
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| 1.5 |
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Cutout |
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| 426 |
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| 426 |
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| 426 |
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| 426 |
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Reset (Auto.) |
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| 320 |
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| 320 |
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| 320 |
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| 320 |
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Cutout |
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| 7 |
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| 7 |
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| 7 |
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| 7 |
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Reset (Auto.) |
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| 22 |
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| 22 |
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| 22 |
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| 22 |
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Quantity...Size (in.) |
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| 10...20 x 24 x 2 |
| 10...20 x 24 x 2 |
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| 10...20 x 24 x 2 |
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| 10...20 x 24 x 2 |
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| 8...16 x 25 |
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| 8...16 x 25 |
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| 8...16 x 25 |
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| 8...16 x 25 |
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Quantity...Size (in.) |
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| 4...20 x 25 |
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| 4...20 x 25 |
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| 4...20 x 25 |
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| 4...20 x 25 |
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POWER EXHAUST |
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| Direct Drive, |
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Motor, Quantity...Hp |
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| 4...1 |
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Fan, Diameter...Width (in.) |
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| 11...10 |
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*Sizes
Sizes
NOTE: High heat is for 48EJ,EW only.
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