Daikin BACnet Series - Heat Pump Unit Applications

IO-DAPPS www.daikinac.com 28
Heat Pump Unit Applicaons
This secon covers applicaons for heat pump units.
Heat Pump Unit – Three Heat, Two Cool
• Fan status switch (FST) and discharge air temperature sensor
(DAT) are oponal. They are typically used only when the
BACnet™ Thermostat is connected to a network.
• The outdoor air temperature sensor (OAT) is required for
compressor lockout based on outside air temperature.
• The remote temperature sensor (RS) is oponal.
• For single compressor installaons do not connect Y2.
• If auxiliary heat is not required do not connect AUX/E.
• Connect outputs only to 24 volt AC pilot duty inputs.
• For addional details on connecng sensors, see Connecng
Inputs on page 7.
Figure 11: Heat Pump Unit Wiring Details—Three Heat, Two Cool
Applicaon Drawings