LEED C&S and non-cooled spaces

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I am modelling a project for LEED C&S. Two utility spaces have
electric heaters, no cooling. In 90.1-2004, Table 11.3.1, 10 HVAC Systems:
"(d) Where no cooling system exists or no cooling system has been
specified, the cooling system shall be modeled as an air-cooled
single-zone system, one unit per thermal block. The system
characteristics shall be identical to the system modeled in the
budget building design."

Does this mean that these two utility spaces are to have packaged
single zone system with DX cooling? Or does it mean that the only
cooling is by outdoor air ("air-cooled")?

Thanks for any insights!

Chris Jones

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