IM 1248 • BACNET THERMOSTAT 4
www .DaikinApplied .com
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Connecting Outputs
WARNING
Can cause equipment damage .
Improperly connecting loads or equipment to output terminals
may damage the equipment . Connect only as shown in the
following diagrams or application drawings .
The BACnet Thermostat outputs are product dependent and
are configured for specific applications.
•
No field programming or set up is required or possible.
• Depending on model and application, the BACnet
Thermostat outputs are designed for either 24 volt AC or
0-10 volt DC loads .
• The outputs may represent analog or digital signals .
Figure 5: Heat Pump Output Terminals
Connecting Power
The BACnet Thermostat requires an external, 24 volt AC
power source . Use the following guidelines when choosing
and wiring transformers .
• Use only a Class-2 transformer of the appropriate size to
supply power .
• Daikin Applied recommends powering the BACnet
Thermostat from a dedicated controls transformer .
•
Connect the transformer’s neutral lead to the COM
terminal .
• Connect the AC phase lead to the 24VAC terminal .
• Power is applied to the controller when the transformer
is powered .
Figure 6: Wiring for BACnet Thermostat Power
