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General| Model | 393U |
|---|---|
| Stages | Two-Stage |
| Blower Type | Variable-Speed |
| Heating Capacity | 40, 000 to 120, 000 BTU/h |
| Fuel Type | Natural Gas/Propane |
| Blower Motor | ECM |
| Efficiency Rating | Up to 96.2% AFUE |
| AFUE Rating | Up to 96.2% |
Details for Type L-4, Type E-4, and Type B-1 motors including speed and power supply.
Specifications for motor and blower pulley diameter, bore, and blower wheel dimensions.
Information on filter types and duct connection points like bottom inlet, external rack, and rear drop duct.
Specifications for D2 control system including regulator valve, orifice drill size, and pilot.
Specifications for D4 control system (Natural/Manufactured) including regulator valve and pilot.
External static pressure available for Type L, Type E, and Type C motors across various airflow CFM.
Information on drive ranges and RPM changes per static pressure adjustment.
Line-to-line schematic for belt drive units excluding LPG configurations.
Line-to-line schematic for direct drive units excluding LPG configurations.
Line-to-line schematic for belt drive units specifically for LPG configurations.
Line-to-line schematic for direct drive units specifically for LPG configurations.
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