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General| Model | 581B |
|---|---|
| Type | Single Package Rooftop |
| Heating Type | Gas Heat |
| Cooling Type | Electric Cooling |
| Refrigerant | R-410A |
| Power Supply | 460-3-60 |
| Dimensions | Varies by specific model size |
Emphasizes the durability and testing standards of the DuraPac Plus series components.
Details features facilitating easy maintenance, installation, and conversion.
Discusses the quiet operation, efficiency, and reliability of the unit's components.
Highlights standardized components and features that enhance serviceability and parts availability.
Details the IGC's functions, diagnostics, and benefits for heating operation.
Describes the package for increased dehumidification by subcooling refrigerant.
Provides furnace section data like rollout switch, orifice diameter, gas input, and efficiency for larger units.
Outlines the initial step in selecting a unit, defining design conditions.
Guides selecting the appropriate unit based on cooling capacity tables.
Details calculating fan speed and power needs based on static pressure.
Presents cooling capacity data (TC, SHC, kW) for 3-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 4-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 5-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 7.5-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 10-ton units at various temperatures.
Cooling capacity data for 3-ton units with Perfect Humidity option.
Cooling capacity data for 6-ton units with Perfect Humidity option.
Cooling capacity data for 7.5-ton units with Perfect Humidity option.
Cooling capacity data for 10-ton units with Perfect Humidity option.
Fan performance data for 3-ton units with standard motor in vertical discharge.
Fan performance data for 4-ton units with standard motor in vertical discharge.
Fan performance data for 5-ton units with standard motor in vertical discharge.
Fan performance data for 6-ton units with standard motor in vertical discharge.
Presents cooling capacity data (TC, SHC, kW) for 6-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 8.5-ton units at various temperatures.
Presents cooling capacity data (TC, SHC, kW) for 12.5-ton units at various temperatures.
Cooling capacity data for 4-ton units with Perfect Humidity option.
Cooling capacity data for 8.5-ton units with Perfect Humidity option.
Cooling capacity data for 12.5-ton units with Perfect Humidity option.
Fan performance data for 3-ton units with high-static motor in vertical discharge.
Fan performance data for 4-ton units with high-static motor in vertical discharge.
Fan performance data for 5-ton units with high-static motor in vertical discharge.
A pressure-enthalpy curve illustrating the refrigerant cycle with and without the Perfect Humidity package.
Details the advantages and features of the Perfect Humidity dehumidification package.
Wiring schematic and component layout for a 3-phase unit.
Continuation of the wiring schematic and component layout for a 3-phase unit.
Wiring schematic for larger unit sizes (581B090-150).
Describes the operating sequences for cooling and heating modes.
Describes operating sequences for larger units.
Explains the operation of the Perfect Humidity package during cooling.
Covers general system description, quality assurance, and unit construction.
Details the equipment specifications, including cabinet and fan components.
Outlines unit controls and safety devices, including compressor protection.
Details various optional features and accessories for the unit.
