Typically used in offices and educational buildings, similar to fan coil systems except that the zone unit has no fan. DOAS unit is supplying the Primary Air (Outside Air) that induces the secondary air from the zone at the chilled beam.

Default values:

• Chilled Water Pump power: 21 W/gpm or 1.32 W/(L/s)
• Hot Water Pump power: 21 W/gpm or 1.32 W/(L/s)
• Condenser Water Pump power: 21 W/gpm or 1.32 W/(L/s)
• DOAS Fan Power: 0.9 W/cfm or 0.42 W/(L/s)
• DOAS heat recovery type: Enthalpy
• All pumps are VSD
• Night time operation: Cycle on any load