Trane Tracer UC210 Installation, Operation, And Programming page 24

Wiring Installation
Occupancy Binary Input
The occupancy binary input can be configured as normal open (NO) or normal closed (NC).
Occupied is the normal state and the initial state at power-up and after a reset. Unoccupied is the
other state. If the binary input is set as Out of Service, the default occupancy mode is occupied.
Binary Output Wiring
Binary outputs that are required for unit operation are factory wired and commissioned. The UC210
controller does have extra binary outputs available for many other configurations. To program the
extra outputs refer to the Tracer BACnet VAV Controllers Applications Guide, (BAS-APG010-EN).
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