
Document: LT0273
MX4428 MXP Engineering / Technical Manual
Device Information and Programming
Issue 1.5
24 March 2006
Page 3-21
Parameter Description
Default
Value Smoke
Algorithm
Enhance smoke
sensitivity with
heat Rate of
Rise.
Heat Type
A – rate of rise
enabled
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
Mode
13
FastLogic
No
No heat alarm *
3
P0
SmartSense smoke Pre Alarm Threshold
68
SmartSense smoke Alarm Threshold
Value Threshold
37
8% / m (alternate)
80
12% / m
(default)
FastLogic Sensitivity
Value Sensitivity
0 Low
1 Medium
2 High
P1
Any other
Global Parameter
“8XXPH Fuzzy Algorithm”
80
P2
Heat fixed temperature pre-alarm threshold
°
C 56
(
°
C)
Heat fixed temperature alarm threshold
°
C
Value Usage
57 New
Zealand
P3
63
Australian Types A / B
63 (
°
C)
b3:b0
ROR Pre alarm Threshold
7 (12
°
C/min)
P4
b7:b4
ROR Alarm Threshold
5 gives the
Threshold in
°
C/min
9 (14
°
C/min)
b3:b0
Smoke Filter Divisor
3
P5
b7:b4 Smoke
Step
Limit
4
Enhancement multiplier (default 12) * 16 plus value below
Value Functional
Base
Control
Remote LED
Control
Result with
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
P6
10
Point Alarm
Point Alarm
202
192
* These are the only modes allowed with the 814P detector.