Johnson Controls TEC2664Z-3 BACnet - Page 23

TEC2664Z-3 BACnet® MS/TP Rooftop Controller for Stand-Alone and Networked Zoning Systems
Installation Instructions
23
Figure 23: Zone Sequence Selection
System Mode = Off?
Zone Sequence = Cool
Avg PI Heating Demand > Avg
PI Cooling Demand?
Zone Sequence = Heat
NO
NO
Avg PI Cooling Demand > Avg
PI Heating Demand?
Zone Sequence = Cool
NO
Avg PI Cooling Demand = Avg
PI Heating Demand?
Zone Sequence Stays in Existing Mode
FIG:zn_sqnc_slctn