Autronica AutroSense Micra 25 System manual

116-P-ASMICRA25/DE, Rev. D, 2017-05-02, Autronica Fire And Security AS
Installation handbook
High sensitivity aspirating smoke detector AutroSense Micra 25

Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25,
116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 2
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not be reproduced in any form, by any
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Autronica Fire and Security AS and its
subsidiaries assume no responsibility
for any errors that may appear in the
publication, or for damages arising
from the information in it. No
information in this publication should
be regarded as a warranty made by
Autronica Fire and Security AS. The
information in this publication may be
updated without notice.
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Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25, 116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Table of Contents
1. Introduction......................................................................1
1.1 About the handbook ..........................................................................1
1.2 About the reader................................................................................1
1.3 Reference documentation.................................................................1
1.4 CE identification.................................................................................2
2. Indicators .........................................................................3
3. Inside the detector...........................................................4
3.1 Interior view.......................................................................................4
3.2 Detector terminal block connections .................................................5
4. Programming the detector..............................................6
4.1 Time and date – “Time and date” tab................................................7
4.2 Alarm levels – “Alarm levels and delays” tab, level subgroup...........7
4.3 Alarm delays – “Alarm levels and delays” tab, delay subgroup.........7
4.4 ClassiFire override- “Alarm levels and delays” tab............................7
4.5 Alarm factor – “Alarm levels and delays” tab.....................................7
4.6 LDD enable – “Alarm levels and delays” tab.....................................8
4.7 FastLearn enable – “Alarm levels and delays” tab............................8
4.8 Auto FastLearn enable – “Alarm levels and delays” tab....................9
4.9 ClassiFire 3D – “Alarm levels and delays” tab...................................9
4.10 Demo mode – “Alarm levels and delays” tab ....................................9
4.11 Day start/Night start – “Day/Night switching” tab...............................10
4.12 Disable day/night switching – “Day/Night switching” tab ...................10
4.13 Remote functions – “Alarm actions” tab, remote input subgroup......10
4.14 Programmed isolation – “Alarm actions” tab.....................................10
4.15 Latching alarms – “Alarm actions” tab...............................................11
4.16 Latching faults – “Alarm actions” tab.................................................12
4.17 Cascading alarms – “Alarm actions” tab ...........................................12
4.18 Device type – “Device information” tab..............................................12
4.19 Firmware version – “Device information” tab.....................................12
4.20 Run-time hours – “Device information” tab........................................12
4.21 Watchdog count – “Device unformation” tab.....................................12
4.22 Device text – “Device information” tab ..............................................13
4.23 Reference detector – “Referencing” tab............................................13
4.24 Reference enable – “Referencing” tab..............................................13
4.25 Reference level – “Referencing” tab..................................................13
4.26 Reference back-off – “Referencing” tab............................................13
4.27 Flow rate – “Flow monitoring” tab......................................................13
4.28 Flow high limit – “Flow monitoring” tab..............................................13
4.29 Flow low limit – “Flow monitoring” tab ...............................................13
4.30 Flow fault delay – Flow monitoring tab ..............................................14
4.31 Access code – “Miscellaneous” tab...................................................14
4.32 Chart log recording rates...................................................................15

Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25,
116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 2
4.33 Separator condition – “Miscellaneous” tab........................................15
4.34 Separator change date – “Miscellaneous” tab...................................16
4.35 Factory default – “Miscellaneous” tab................................................16
5. Other remote software features......................................17
5.1 Reset.................................................................................................17
5.2 Histogram screen..............................................................................17
5.3 Chart recording..................................................................................19
5.4 Load/save function settings...............................................................20
6. Sampling-pipe design......................................................21
6.1 Pipe work...........................................................................................22
6.2 EN 54-20 compliance........................................................................23
7. Installation........................................................................24
7.1 Docking station..................................................................................24
7.2 Mechanical installation ......................................................................25
7.3 Electrical installation..........................................................................25
7.3.1 Power-supply connections ......................................................25
7.4Final installation.................................................................................26
8. Interfacing........................................................................27
8.1 Setting the detector address..............................................................27
8.2 Connection to AutroSafe ...................................................................28
8.3 Connection to BS-systems................................................................28
8.4 Connecting to a PC ...........................................................................29
9. Event log ..........................................................................30
10.Commissioning................................................................32
10.1 Commissioning checklist...................................................................32
11.Maintenance.....................................................................33
11.1 Diagnostics........................................................................................33
12.Troubleshooting ..............................................................35
12.1 Nuisance alarms occur too often.......................................................35
12.2 Elevated smoke levels do not generate alarms.................................35
12.3 Low mean output...............................................................................35
12.4 Detector sensitivity varies over time..................................................35
12.5 Flow fault errors.................................................................................36
12.5.1"Low Flow" error messages ....................................................36
12.5.2"High Flow" error messages....................................................36
13.Dos and Don’ts ................................................................37
13.1 Do......................................................................................................37

Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25, 116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
13.2 Don’t..................................................................................................37
14.Specification ....................................................................38

Introduction
Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25, 116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 1
1. Introduction
1.1 About the handbook
AutroSense Micra 25 is a highly sophisticated “next generation high
sensitivity aspirating smoke detection” product designed to ensure
simple installation and commissioning, while optimizing performance.
AutroSense Micra 25 incorporates a patented ‘artificial intelligence‘
known as ClassiFire®, which allows the detector to configure itself to
optimum sensitivity, alarm thresholds and minimum nuisance alarms
for any environment. ClassiFire intelligence also monitors the detector
chamber and dust separator for contamination, continually adjusting
the appropriate operating parameters to counteract the negative
effects of such contamination.
The AutroSense range of detectors is unique in being able to provide a
consistent level of protection in a very wide range of environments by
continuously making minor adjustments to sensitivity.
The AutroSense range of detectors has proven its worth many times
by detecting ‘difficult-to-detect‘ slow growth electrical overload incipient
fires in ‘difficult‘ environments.
This equipment is Class 111 as defined in EN60950 (i.e., this
equipment is designed to operate from safety extra low voltages and
does not generate any hazardous voltages.
If this equipment is part of a fire detection system, it should be
supplied from an approved power supply conforming to EN 54-4.
1.2 About the reader
This handbook is intended for Autronica personnel authorized to install
the AutroSense Micra 25.
1.3 Reference documentation
Further information concerning the AutroSense Micra 25 aspirating
detector is found in the following:
Article number
Manual
P-ASMICRA25/CE
Datasheet for AutroSense Micra 25

Introduction
Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25,
116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 2
1.4 CE identification
0832
Autronica Fire and Security AS
7483 Trondheim
Norway
15
360-3511-0299
EN 54-20:2006
Aspirating smoke detectors for
fire detection and fire alarm
systems for buildings
Class A, B and C
Technical data: see INF48027
held by the manufacturer

Indicators
Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25, 116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 3
2. Indicators
•The Fire indicator illuminates when the alarm level has been reached and
the appropriate time delays have expired.
•The Fault indicator illuminates when the unit has a fault and a fault signal
is being sent to the fire alarm panel.
•The OK indicator illuminates to show normal operation when there are no
faults. The OK lamp will flash during the 15 minute FastLearn period when
the detector is first learning about its environment.
1
2
3

Inside the detector
Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25,
116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 4
3. Inside the detector
3.1 Interior view
1. Removable terminal blocks
2. Filter
3. Addressable bus interface card (APIC) port
4. Detector address DIPswitch
5. RS-232 serial port
1
5
4
3
2

Inside the detector
Installation handbook, High sensitivity aspirating smoke detector AutroSense Micra 25, 116-P-ASMICRA25/DE, Rev. D, 2017-05-02,
Autronica Fire and Security
Page 5
3.2 Detector terminal block connections
1. Normally closed FAULT relay contacts
2. Normally open FIRE relay contacts
3. APIC addressable bus connections for use in conjunction with
interface card
4. RS-485/SenseNET connections
5. Power supply connections
2
1
4
5
3