Daikin BACnet Series - Application Drawings; Rooftop Unit Applications; For Rooftop Units

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Rooop Unit Applicaons
This secon covers applicaons for rooop units.
Roof Top Unit – Two-Stage Gas Heat and Two-Stage DX Cooling
• Fan status switch (FST) and discharge air temperature (DAT)
and outdoor air temperature (OAT) sensors are oponal.
They are typically used only when the BACnet™ Thermostat is
connected to a network.
• The remote temperature sensor (RS) is oponal.
• For single stage heang, do not connect W2.
• For single stage cooling, do not connect Y2.
• Connect outputs to 24 volt AC pilot duty inputs.
• For addional details on connecng sensors, see Connecng Inputs
on page 7.
• For addional details on connecng the fan and valves, see
Connecng Outputs on page 8.
Figure 10: Rooop Unit Wiring Details—Two-Stage Gas Heat And Two-Stage DX Cooling
Sequences of Operaon