Tyco MX4428 technical manual Parameter Description Default

Document: LT0273					MX4428 MXP Engineering / Technical Manual
						Device Information and Programming
Parameter	Description								Default
Mode	Value	Smoke		Enhance smoke			Heat Type		3
		Algorithm		sensitivity with			A – rate of rise
				heat Rate of			enabled
				Rise.			B – rate of rise
							disabled
	0	SmartSense		Yes			A
	1	SmartSense		Yes			B
	2	SmartSense		No			A
	3	SmartSense		No			B
	4	None					A
	5	None					B
	6	SmartSense		Yes			No heat alarm
	7	SmartSense		No			No heat alarm *
	8	FastLogic		Yes			A
	9	FastLogic		Yes			B
	10	FastLogic		No			A
	11	FastLogic		No			B
	12	FastLogic		Yes			No heat alarm
	13	FastLogic		No			No heat alarm *
P0	SmartSense smoke Pre Alarm Threshold								68
P1	SmartSense smoke Alarm Threshold								80
	Value			Threshold
	37			8% / m (alternate)
	80			12% / m (default)
	FastLogic Sensitivity
	Value			Sensitivity
	0			Low
	1			Medium
	2			High
	Any other			Global Parameter
				“8XXPH Fuzzy Algorithm”
P2	Heat fixed temperature pre-alarm threshold °C								56 (°C)
P3	Heat fixed temperature alarm threshold °C								63 (°C)
	Value		Usage
	57		New Zealand
	63		Australian Types A / B
P4	b3:b0	ROR Pre alarm Threshold				Number + 5 gives the			7 (12°C/min)
	b7:b4	ROR Alarm Threshold				Threshold in °C/min			°
									9 (14 C/min)
P5	b3:b0	Smoke Filter Divisor							3
	b7:b4	Smoke Step Limit							4
P6	Enhancement multiplier (default 12) * 16 plus value below								192
	Value	Functional Base			Remote LED			Result with
		Control			Control			default enh
								multiplier
	0	Circuit Alarm			Circuit Alarm			192
	1	Circuit Alarm			Relay			193
	2	Circuit Alarm			Point Alarm			194
	4	Relay			Circuit Alarm			196
	5	Relay			Relay			197
	6	Relay			Point Alarm			198
	8	Point Alarm			Circuit Alarm			200
	9	Point Alarm			Relay			201
	10	Point Alarm			Point Alarm			202

* These are the only modes allowed with the 814P detector.

Issue 1.5 24 March 2006 Page 3-21