Tyco MX4428 User Manual

Page 37

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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

Number + 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.

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