5.2.6 Output 2

Output 2 is always fitted with a relay (form A) but is disabled by default. The function of the output may be selected from a list of options including heat or cool digital outputs for the control loop, alarms or events.

P12	Select P12 to configure Output 2 (OP2). Each output can be used for control, alarms or events as listed below:-			The code can be checked against the label on the side of the controller.
	nonE	Output disabled (factory default)
	Heat	Heat output	Output 2 controls the heating power demand. The sense is set to normal – the state of the output is shown in the table. This is the usual setting for control outputs.	OP2 State when heating
				Relay	Energised
				Logic	ON
				Analogue	On

	CooL	Cool output	Output 2 controls the cooling demand. The sense is set to normal – the state of the output is shown in the table. This is the usual setting for control outputs.	OP2 State when cooling
				Relay	Energised
				Logic	ON
				Analogue	On

	AL1	Alarm 1	Output 2 will operate as shown in the table if the alarm selected is active.	Alarm active
	AL2	Alarm 2		Relay	Energised
	AL3	Alarm 3		Logic	ON
				Analogue	On

	AL1. i	Alarm 1 inverted.	Output 2 will operate as shown in the table if the selected alarm is active. This is the normal setting for alarms since if power to the controller fails an alarm state will be indicated by a powered external device.	Alarm active
	AL2. i	Alarm 2 inverted		Relay	De-energised
	AL3. i	Alarm 3 inverted		Logic	OFF
				Analogue	Off (0mA)

	t.End	Timer end status	OP2 can be used to operate an external device to indicate when the timer has timed out. A relay is energised and a logic output is ON when the timer has timed out.	Timer Operation is described in section 4.11.
	t.rUn	Timer run status	OP2 can be used to operate an external device to indicate when the timer is running. A relay is energised and a logic output is ON when the timer is running.