Trane PKG-PRC002-EN Zone Sensor, Controls Options, Standard On All Units, Digit 6 = H, BAYSENS021

Zone Sensor

Controls Options

Standard On All Units VAV VAV

Standard with all units	Single setpoint sensor with system
Zone temperature sensor, Accessory
	function lights, Accessory Model Number
Model Number Digit 6 = A, BAYSENS017
	Digit 6 = H, BAYSENS021

Programmable night-setback sensor, Accessory Model Number Digit 6 = J, BAYSENS020

This wall-mounted zone sensor ships with every Signature Series unit, CV or VAV. Additional sensors are also available for order using the accessory model number. It includes an internal thermistor and should be mounted in the zone. This sensor is available for use with all zone sensor options to provide remote sensing capabilities.

This wall-mounted zone sensor option is for use inVAV applications. Features and system control functions are:

•Temperature sensing in the zone

•System control switch with mode setting for Auto or Off

•Supply air single temperature setpoint

•Function status indicator lights:

SYS ON glows continuously during normal operation, or blinks if system is in test mode.

COOL glows continuously during cooling cycles or blinks to indicate a cooling system failure.

HEAT glows continuously during heating cycles or blinks to indicate a heating system failure.

SERVICE blinks or glows to indicate a problem. These signals vary depending on the particular equipment used.

This programmable night setback sensor is for use inVAV applications.The sensor has a time clock function that provides communication to the self-contained unit through a 2-wire communications link. The desired transition times are programmed at the night setback sensor and communicated to the self-contained unit.

The programmable night setback (unoccupied mode) operates through the time clock provided in the sensors with night setback. When the time clock switches to night setback operation, the outdoor air dampers close and heating/ cooling enables or disables, depending on set-up parameters. As the building load changes, the night setback sensor energizes the self-contained unit’s heating/cooling (if enabled) function and the evaporator fan. The self-contained unit will cycle through the evening as heating/cooling (if enabled) is required in the space. When the time clock switches from night setback to occupied mode, all heating/cooling functions begin normal operation.

When using the night setback options with VAV heating/cooling, maintain airflow through the self-contained unit by electrically tying theVAV boxes to the unoccupied output relay contacts on the unit’s RTM module board or by using changeover thermostats. Either of these methods will assure adequate airflow through the unit and satisfactory temperature control of the building.

76 PKG-PRC002-EN