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MX4428 MXP Engineering / Technical Manual Document: LT0273
Device Information and Programming
Page 3-24 24 March 2006 Issue 1.5
The remaining parameters should not need changing.
Parameter Description Default
Value Enhance CO
sensitivity with heat
Rate of Rise
Heat Type
A – rate of rise enabled
B – rate of rise disabled
0 Yes A
1 Yes B
2 No A
3 No B
6 Yes No heat alarm
Mode
7 No No heat alarm
2
P0 CO Pre Alarm Threshold 80
CO Alarm Threshold
Value Threshold
60 23ppm
93 38ppm (default)
P1
160 66ppm (alternate)
93
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
Number + 5 gives the
Threshold in °C/min
9 (14°C/min)
b3:b0 CO Filter Divisor 3 P5
b7:b4 CO Step Limit 3
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