Combined heat exchange unit
AssigneeOxycom Beheer B.V.
InventorsMark HAKBIJL, Anton BONTE, Fred VAN HEESWIJK
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Abstract
A heat exchange system for supplying air to a habitable space at a desired output condition includes a continuously variable mechanical cooler, an indirect evaporative cooler, an adiabatic cooler and a controller arranged to selectively supplement a cooling capacity of the indirect evaporative cooler, with a variable amount of cooling from the mechanical cooler in order to reach the desired output condition.
Claims20
A heat exchange system for supplying air to a habitable space at a desired output condition comprising:
- a continuously variable mechanical cooler;
- an indirect evaporative cooler comprising primary and secondary channels;
- an adiabatic cooler;
- and
- a controller arranged to selectively supplement a cooling capacity of the indirect evaporative cooler or the adiabatic cooler or both the adiabatic and indirect evaporative cooler, with a variable amount of cooling from the mechanical cooler in order to reach the desired output condition.
The system according to claim, 1 further comprising a water distribution system arranged to supply water intermittently to the secondary channel during operation of the indirect evaporative cooler.
A method of operating a cooling system to supply air from an external source to a habitable space at a preset condition, the system comprising a continuously variable mechanical cooler operable to selectively provide variable amounts of cooling output, an adiabatic cooler, an indirect evaporative cooler and a controller for controlling operation of the system, the method comprising:
- determining operating ranges of the coolers;
- determining an inlet condition of the air from the external source;
- optionally operating the adiabatic or indirect evaporative cooler to cool the air if the inlet condition lies within the operating range of the adiabatic cooler or indirect evaporative cooler;
- effecting a variable amount of cooling output from the mechanical cooler to complement the cooling of the adiabatic cooler or evaporative cooler;
- and
- supplying the air to the habitable space at the preset condition.
Dependencies are inferred from the claim text.