Autronica AutroSense 75, BW-75/ADR, BW-75/KON, BW-75/ADS Installation & Commissioning Handbook

AutroSense 75

Aspirating Detector

Installation & Commissioning

Handbook

Protecting environment, life and property...

P-ASENSE75/IE 980302

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may not be reproduced in any form,
by any method, for any purpose.

Autronica AS and its subsidaries
assume no reponsibility 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. The
information in this publication may
be updated without notice.

Product names mentioned in this
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They are used only for
identification.

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 1

Table of Contents

1. Introduction......................................................................3

1.1 About this manual............................................................................... 3

1.2 The product......................................................................................... 3

1.3 Application .........................................................................................3

1.4 The reader........................................................................................... 3

1.5 Other reference documents................................................................. 4

2. Installation .......................................................................5

2.1 Recommended height for mounting................................................... 5

2.2 Dimensions......................................................................................... 5

2.3 Positioning of the detector.................................................................. 6

2.4 Mounting the detector......................................................................... 6

2.5 Cable entry.......................................................................................... 7

2.6 Cable connections............................................................................... 8

2.6.1 Introduction........................................................................... 8

2.6.2Overview................................................................................ 8

2.6.3 Terminal strips 1 and 2.......................................................... 8

2.6.4 External connection of 2 detector loops - conventional

version............................................................................................ 9

2.6.5 External connection of 1 detector loop - conventional

version............................................................................................ 9

2.6.6 External connection of detector loop - analogue

addressable system......................................................................... 10

2.6.7 Power supply.........................................................................10

3. Installing the pipe system...............................................11

3.1 General guidelines.............................................................................. 11

3.2 Guidelines for agricultural installations ............................................. 12

3.3 Installing the pipe system in the roof/ceiling ..................................... 13

3.4 Pipe joints........................................................................................... 13

3.5 Cleaning out the pipe system following installation .......................... 13

3.6 Concealed pipes.................................................................................. 14

3.7 Connecting to the AutroSense 75 detector unit.................................. 14

3.8 Installing a “moisture trap”................................................................. 14

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 2

4. Commissioning the system............................................15

4.1 Responsibility for commissioning the system.................................... 15

4.2 Pre-commissioning check-list............................................................. 15

4.3 Setting addresses - analogue addressable system............................... 16

4.4 Setting switches for monitoring the air flow...................................... 16

4.5 Power supply ...................................................................................... 17

4.6 Configuration of air-flow monitoring................................................. 18

4.7 Final installation tasks........................................................................ 19

5. Final testing .....................................................................20

5.1 Alarm test / testing of smoke transport time and symmetry............... 20

5.2 Testing of air-flow monitoring........................................................... 20

5.2.1 Introduction........................................................................... 20

5.2.2 Simulated break in a pipe......................................................20

5.2.3 Simulated blockage in a pipe................................................. 20

5.3 Fire simulation test ............................................................................. 21

6. Service and maintenance................................................22

6.1 Annual service.................................................................................... 22

6.2 Service check-list................................................................................ 22

6.3 Changing the filter.............................................................................. 23

7. Appendix..........................................................................24

7.1 Terminal strip 2 .................................................................................. 24

7.1.1 Internal connection for 2 loops - conventional version......... 24

7.1.2 Internal connection of detector loop - analogue

addressable system......................................................................... 25

8. Reader’s Comments........................................................27

Introduction

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 3

1. Introduction

1.1 About this manual

This manual describes the installation of a smoke detector system

based on Autronica’s AutroSense 75 aspirating detector. The manual
also contains guidelines for the installation of exhaust pipes,
procedures for commissioning the system, and a brief description of
service and maintenance functions.

1.2 The product

The AutroSense 75 aspirating detector comes in 3 different versions:

• BW-75/ADR for an addressable analogue system

• BW-75/ADS for an addressable analogue system with heightened

sensitivity

• BW-75/KON for a conventional system

1.3 Application

AutroSense 75 is designed for use in all situations, including corrosive
and dusty environments. The detector can be adapted to suit the
prevailing conditions and provide the required detection level by
using detector chambers with different levels of sensitivity.

The detector can be connected to either one or two exhaust pipes.

Where the AutroSense 75 is connected to an analogue addressable
fire alarm system, each individual pipe will be allocated its own
address. In the event of an alarm being reported, the area monitored
by the respective pipe will be identified on the fire alarm control
panel.

In a conventional system both chambers will be normally connected to
the same detector loop, i.e. both pipes will monitor the same detection
zone. It is possible to connect two different detector loops to the
detector chambers to obtain information about which pipe is in alarm.

1.4 The reader

This manual is designed for use by authorised service technicians and
others responsible for the installation.

Introduction

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 4

1.5 Other reference documents

Further information concerning the AutroSense 75 aspirating detector
is found in the following:

Manual Article no.

Operating Manual P-ASENSE75/FE
Data Sheet for the AutroSense 75 aspirating detector P-AS75/CE

Installation

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 5

2. Installation

2.1 Recommended height for mounting

175 cm

2.2 Dimensions

100

290

365

Installation

Installation & Commissioning Handbook, ,

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Page 6

2.3 Positioning of the detector

If the pipes are to be installed in rooms with different pressures, the
detector should be located in the room with the lowest pressure.

In a building where the ventilation system causes a substantial
negative pressure, the detector should be located in the room in which
the pipe system is installed.

In instances where the detector has to be located in the room with the
highest pressure, a return pipe must be attached to the lower pipe
outlet and fed into the room with the lowest pressure. This means that
the return air will be led into the room with the lowest pressure.

2.4 Mounting the detector

The unit is fitted with 4 fixing holes:

• Mark off and drill holes for 6 mm (max.) screws (and plugs if

necessary).

• Remove the cover (the illustration shows the detector without its

cover).

• Tighten all 4 screws .

204

365

290

262

Fixing holes

Fixing holes

Filter cover

Detektor cover

Installation

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Page 7

2.5 Cable entry

The power supply and loop cables are fed in through the underside of
the unit via threaded glands (2 such glands are provided).

The unit is also supplied with 2 lead-in holes fitted with plugs. These
can be removed as required.

Threaded glands

(View from underneath)

Installation

Installation & Commissioning Handbook, ,

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Page 8

2.6 Cable connections

2.6.1 Introduction

This chapter covers all necessary external cable connections.

IMPORTANT:

The following procedure refers to primary installation:

1. Carry out all necessary loop connections.

2. Do not connect up the power before commissioning, see Chap. 4.5.

2.6.2 Overview

1

2
3 ­ 4 -

-

2.6.3 Terminal strips 1 and 2

IMPORTANT! Terminal strip 1 is for all external connections, i.e.
detector loops and power.

Terminal strip 2 is for internal connections only. These connections
have already been implemented, except that with the external
connection of 1 detector loop (conventional version), endload 1
should be removed (terminal strip 2).

For further details about internal connections to terminal strip 2, see
Appendix.

NOCMNC2

K -+-+-+

(detectors)

Loop

Fan

Terminal strip 2 - (internal connections)

Terminal strip 1

Loop

24V

DC

Error output

!

Installation

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 9

2.6.4 External connection of 2 detector loops - conventional version

If the unit is connected to a conventional alarm system, the following
applies when 2 detector loops (one for each detector) are connected:

1

2
3 ­ 4 -

+ 24 V DC
+ 24 V DC

0 V
0 V

2.6.5 External connection of 1 detector loop - conventional version

If the unit is connected to a conventional fire alarm system, the
following applies when 1 detector loop (connected to both detectors
and exhaust pipe) is connected:

1

2
3 ­ 4 -

+ 24 V DC
+ 24 V DC

0 V
0 V

Endload 1 on terminal strip 2 must be removed. See detailed
information about internal connections to terminal strip 2 in
Appendix.

Loop

Loop

Terminal strip 1

Terminal strip 1

- +

Loop 1

- +

Loop 2

- +

Loop 1

Installation

Installation & Commissioning Handbook, ,

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Page 10

2.6.6 External connection of detector loop - analogue addressable system

If the unit is connected to an analogue addressable fire alarm system
the following will apply:

1

2
3 ­ 4 -

+ 24 V DC
+ 24 V DC

0 V
0 V

2.6.7 Power supply

IMPORTANT:

With a primary installation, power must not be connected before

commissioning – see Chap. 4.5.

1

2
3 ­ 4 -

+ 24 V DC
+ 24 V DC

0 V
0 V

Loop

Loop

Terminal strip 1

Terminal strip 1

(to next detector)

24V DC

out

24V DC in

+ -

- +

Loop in

Installing the pipe system

Installation & Commissioning Handbook, ,

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Page 11

3. Installing the pipe system

3.1 General guidelines

Special guidelines apply to agricultural applications.The following
general guidelines apply to the installation of the exhaust pipes:

1. The optimum internal diameter of a pipe is 22 mm (the correct
size is 25 mm piping). Other sized piping will work, but will
usually provide a slower response.

2. When more than one pipe is used, you should try to achieve a

reasonable balance (e.g. ±10% of the length) in the pipes in
order to obtain an even suction pressure.

3. If only one pipe is used, any other pipes must be plugged again.

4. The maximum total pipe length permitted is 200 metres. Note:
this corresponds to 2 lengths at 100 m, or 4 lengths at 50 m.

5. If more than two pipes are used, then the pipes must be divided
as close to the detector as possible.

6. The pipes must have an end plug with a 2-6 mm diameter hole
drilled (usually 4 mm diameter).

7. The air intake/suction holes should normally be 2.5 mm in
diameter, and each length should not have more than 20 holes.

8. The holes should be drilled at specific places in the pipes. De­burr each sampling hole to ensure that the pipe is free from any
obstruction that may affect the airflow.

9. These rules apply to average pipe lengths. If the pipe runs start
to become excessively long (i.e. more than 60 metres), the
sampling holes should be slightly smaller in diameter (down to
2 mm), and the end-plug holes slightly larger (6 mm).

10. With long pipe runs, the number of intakes with a diameter of 2
mm may be increased to 25.

11. To cover an area as effectively as possible the sampling holes
should be laid out in a grid pattern.

Installing the pipe system

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Page 12

12. To help identification and location, each individual hole should
be marked with a white, circular label with a hole at the centre
(these can be supplied). The pipe and position of each
detection hole should be marked with a warning label as in the
example below.

13. The pipe and position of holes should be well-marked. Below is
shown a warning label for suitably marking the pipe system.

3.2 Guidelines for agricultural installations

For guidelines for agricultural installations, reference is made to the

insurance companies’ regulations for fire alarm systems.

AutroSense 75 includes among the following:

• maximum single pipe length is 46 m

• maximum number of pipe lengths is 2 x 46 m

• minimum number of holes per room is 2

• minimum distance from hole to wall is 0.5 m

• maximum distance between holes is 5 m

• pipe loops up to 30 m long should have sealed ends

– sampling holes should not be less than 3 mm in diameter

• pipe loops longer than 30 m should have open ends

• maximum distance from the pipes to roof is 10 m

• under a saddle roof, the the pipes should be installed a minimum

0.5 m and maximum 1 m from the ridge

Installing the pipe system

Installation & Commissioning Handbook, ,

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Page 13

3.3 Installing the pipe system in the roof/ceiling

To cover a fire zone in a room, the exhaust/suction pipes should be
located either directly under the ceiling panels or with a maximum
distance of 100 mm to the panels, and laid out in one, two, three or
four runs to cover the whole zone area.

For ceiling/roof installations, the sampling holes should be 25 mm,
but not more than 100 mm, below the ceiling/roof, and should point
downwards into the room. This design ensures that the holes are
below the thin layer of warm air that usually forms under ceilings in
heated rooms or under real fire conditions, and which causes smoke to
layer.

From a point of view of installation and maintenance, the most
effective way of fixing pipes in a ceiling/roof is with standard pipe
fixing clips designed to fit the external diameter (OD) of the pipes.

3.4 Pipe joints

All joints should be glued.

3.5 Cleaning out the pipe system following installation

Following installation the pipe system should be thoroughly cleaned
out by, for example, by drawing a rag through the pipes attached to a
length of wire.

The system can also be cleaned out by removing the end plug and
using an air pressure hose in the opposite direction to the normal air
flow i motsatt retning av normal luftstrøm.

Installing the pipe system

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 14

3.6 Concealed pipes

Concealed pipes should be secured to ceiling girders or support
girders with standard pipe clamps or self-locking clips of nylon.

3.7 Connecting to the AutroSense 75 detector unit

The 2 inlets on the top of the detector unit are designed for receiving
25 mm diameter pipes. These should be glued fast in the inlets.

3.8 Installing a “moisture trap”

In environments with extremely high humidity it may be necessary to
use a moisture trap to prevent condensation entering the detector.

Air moisture has a tendency to condense at bends in the pipes. This

will collect at the bottom of the “U” and run into the condensation
trap.

When the condensation trap (enlarged in the diagram)
fills up, water will automatically run out when the
water level rises above the highest point on the
drainage pipe. As long as the trap contains water the
system will remain airtight, and it will be impossible
for air to enter the pipe via the trap.

The condensation trap(s) should be located
immediately in front of the inlet to the detector (this
applies to both pipes). Several condensation traps can
be used if the humidity is extremely high. A trap should
be mounted at the lowest point in the pipes to avoid the
system being blocked by condensation.

1 m

Condensation trap

AutroSense 7

5

Commissioning the system

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Page 15

4. Commissioning the system

4.1 Responsibility for commissioning the system

Commissioning and voltage setting should only be carried out by
authorised technical personnel.

4.2 Pre-commissioning check-list

The following check-list should be implemented prior to
commissioning the system:

1. Check that all equipment, electrical wiring and pipe loops are as
per specification and that the installation is in accordance with the
drawings.

2. Check that all the cables have being connected to the correct
terminals and with correct polarity.

3. Check that the cables are free from external voltage.

4. If the AutroSense 75 detector unit is connected to a analogue
addressable fire alarm system:

- check that the interface board and detector is coded to the

correct address

5. Check that the sampling holes are drilled at specified locations in
the exhaust pipes. De-burr each sampling hole to ensure that the
pipe is free from any obstruction that may affect the airflow.

6. Check that all markings, instructions and layout diagrams are in
accordance with the specifications.

7. Check that the pipes are properly fixed, that all joints are sealed,
and that the system is cleaned out.

8. Check that the ends of the pipes are open, that there are no strong
air currents around the pipes, and that ends of concealed pipes (e.g.
pipes installed above the ceiling) are led down into the room and
have the same pressure as the detector.

9. Check that the return pipe ends in either the same room as the
detector, or the same room in which the pipe system is installed,
or in a low pressure zone relative to the exhaust pipe.

Commissioning the system

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 16

4.3 Setting addresses - analogue addressable system

• Unscrew the detector cover.

The detectors are equipped with 7 address switches marked with the
following digital values: 1, 2, 4, 8, 16, 32 and 64. The correct address
is found by summing the values of the switches that stand in the
OPEN position. This is when the switches are pushed/flicked towards
the market value, i.e. downwards in the diagram.

The diagram below shows the switches in the CLOSED position.

The examples below show the switch setting for respectively address
11 and address 68.

Important:
Note that also the BNB-35 addressing unit for fault monitoring must
be given the correct address.

• Replace the detector cover, and tighten the screws.

4.4 Setting switches for monitoring the air flow

• Depending on whether both pipes are connected, or whether only

the left or right pipe is connected, set the switch S2 to configure
air-flow monitoring in:-

both pipes left pipe right pipe

64 32 16 8 4 2 1

64 32 16 8 4 2 1 64 32 16 8 4 2 1

Switch setting

for

address 11

(8+2+1)

Switch setting for

address 68

(64+4)

Closed position
Open position

S2

Commissioning the system

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 17

4.5 Power supply

When all pre-commissioning checks have been completed and the
addresses (analogue addressable system only) and switches for air­flow monitoring have been set, then the unit can be connected to the
power.

• Connect up the 24V DC supply (taken from the external 24V DC

outlet on the control panel).

1

2
3 ­ 4 -

+ 24 V DC
+ 24 V DC

0 V
0 V

The detector indicators will show the following configuration when
the front cover is removed:

• The green indicator (lower right) marked

POWER

will come on.

You can now configure the detector, i.e. the detector has to «learn»
the exact airflow in the pipe system.

Loop

Terminal strip 1

24V DC

out

24V DC in

+ -

LEARN

FILTER L

FLOW R

POWER

Commissioning the system

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 18

4.6 Configuration of air-flow monitoring

The air-flow monitoring configuration is an automatic function. This
will ensure that the upper and lower air flow limits are correct.

1. Activate the configuration by pressing and holding down for 2

seconds the “LEARN” button marked S1 (see diagram below).

2. Observe the following “LEARN” mode:

- The yellow indicators will flash depending on the switch setting
Ý left pipe: only the

FILTER L

indicator will flash

Ý right pipe: only the

FLOW R

indicator will flash

Ý both pipes: both

FILTER L

and

FLOW R

will flash

- The red

LEARN

indicator will come on

- The green

POWER

indicator will come on

3. Wait approx. 5 minutes (the “learning” period)

4. Observe at “learning mode time-out” (after approx. 5 minutes) that

the yellow

FILTER L

and/or

FLOW R

indicator(s) will go out,

while the red

LEARN

indicator will start to flash.

5. If the detector accepts the measurements during the period, the red

LEARN

indicator will flash a few times, and then go out. The
configuration of airflow monitoring is done for the actual pipe(s).
Only the green indicator should be lit.

If the detector does not accept the measurements as valid values, the
indicators will show the following:-

• The red

LEARN

indicator will continue flashing.

• The yellow

FILTER L

indicator will start to flash.

There are several reasons why the detector will not accept the
measurements. For example, the switches may be set incorrectly. If
only one pipe is connected to the aspirating detector, check that the
switch setting is correct (left or right pipe, see Chap. 4.4). The could
even be a fault in the detector.

• Rectify the problem and repeat the configuration procedure.

S1

F

LEARN

FILTER L

FLOW R

POWER

Commissioning the system

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Page 19

4.7 Final installation tasks

• Replace the top cover.

IMPORTANT: Ensure that the top cover is replaced correctly to

avoid “false” air entering the detector.

• Tighten up the 6 screws.

Final testing

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P-ASENSE75/IE 980302, 7483 Trondheim

Page 20

5. Final testing

5.1 Alarm test / testing of smoke transport time
and symmetry

• Introduce a puff of smoke (or use an environmentally friendly test

gas) into each pipe.

• Note the time it takes to give alarm (= smoke transport time).

The time lapse should not exceed 120* seconds. If the exceeds 120*
seconds for one of the pipes, a larger hole can be made in the end plug
to this pipe.

* For agricultural applications the maximum transport time is 60
seconds.

5.2 Testing of air-flow monitoring

5.2.1 Introduction

This test will activate an error warning. If the test fails, check that the
error monitoring function is correctly calibrated and that the pipe
system has been installed correctly.

5.2.2 Simulated break in a pipe

• A break in the pipe system is simulated by disconnecting the pipe

from the detector.

An error warning will be given.

5.2.3 Simulated blockage in a pipe

• A break in the pipe system is simulated by disconnecting the pipe

from the detector.

An error warning will be given.

Final testing

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Page 21

5.3 Fire simulation test

To ensure that the aspirating detector functions properly, and to check
the integrity of the pipe system, a fire simulation test should be
implemented. This test should be as realistic as possible, and the fire
should involve the same type of material that can be expected to be
found in the monitored fire zones.

NB!

When a fire simulation test is implemented, the location of the fire
should be drawn in on a copy of the system design drawings.
The time it takes to give alarm should also be noted here.

The drawing should be filed for reference purposes when servicing
the system.

Service and maintenance

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Page 22

6. Service and maintenance

6.1 Annual service

The service check-list below provides check-points for an annual
inspection and service of the system.

NB!

In seriously polluted environments it may be necessary to inspect
and service the system more frequently.

Before carrying out a service you should inform the person in
charge and, if necessary, disconnect the control outputs.

6.2 Service check-list

Task Remarks Tick

here

1

Change the filter in the detector. See next chapter.

2

Check that the pipes are intact and free from any
obvious defects such as a break.

3

Check that the sampling holes are clear. Clean out if
necessary.

4

Implement an alarm test, and check that the time it
takes for the alarm to activate is more or less the
same as when the system was commissioned.

5

Introduce smoke/environment-friendly test gas in the
end of the pipe and check that the smoke transport
time approximates the transport time during the
commissioning of the system.

A slower transport time could indicate a
blockage or dust, etc. in the pipes. If the
transport time is excessive, it may be
necessary to clean out the pipe system.

6

If necessary, clean out the pipe system. The system can be cleaned by drawing a

soft rag through the pipes with the help of
a wire, or by removing the end plug and
using an air-pressure hose in the opposite
direction to the normal air flow.

7

Ensure that the pipe system is intact after cleaning.

8

If a fire simulation test was implemented when the
system was commissioned, carry out a random test at
one of the same test sites.

9

Compare the response time with that noted during
commissioning.

10

When the service is complete, set the system to
normal running and inform the person in charge.

Service and maintenance

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Page 23

6.3 Changing the filter

Change the filter as follows:

• Loosen the screws and remove the cover.

• Remove the filter cover by loosening the 2 screws.

• Remove the filter by carefully pulling on the corner.

• Install the new filter.

IMPORTANT: Ensure that the filter is installed properly. The
reflector should bend downwards and stand innermost against the
back plate. The arrow should point downwards.

• Replace the top cover.

IMPORTANT: Ensure that the cover is properly replaced to avoid

“false” air entering the detector.

• Tighten the 6 screws.

Appendix

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 24

7. Appendix

7.1 Terminal strip 2

Terminal strip 2 is for connecting internal cables only, and the unit is
supplied from Autronica ready-wired. However, when 1 detector loop
is connected externally (conventional version), the endload 1 should
be removed (terminal strip 2).

7.1.1 Internal connection for 2 loops - conventional version

N
OCMNC2K -+-+-+

(detectors)

Loop

Fan

Terminal strip 2

Error output

To be cut

Fan

Detector 2
(loo

p

2)

Detector 1
(loop 1)

Endload 1

Endload 2

Appendix

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 25

7.1.2 Internal connection of detector loop - analogue addressable system

NOCMNC2

K -+-+-+

(detectors)

Loop

Fan

Terminal strip 2

Error output

Fan

Detector 2

Detector 1

BNB-35

1

3

6

Appendix

Installation & Commissioning Handbook, ,

P-ASENSE75/IE 980302, 7483 Trondheim

Page 26

Reader’s Comments

Installation & Commissioning Handbook, , P-ASENSE75/IE 980302, 7483 Trondheim

8. Reader’s Comments

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Reader’s Comments

Installation & Commissioning Handbook, , P-ASENSE75/IE 980302, 7483 Trondheim

Autronica Fire and Security AS is an international company, based in Trondheim,
Norway and has a world-wide sales and service network. For more than 40 years

Autronica Fire ans Security’s monitoring systems have been saving lives and
preventing catastrophes on land and at sea. Autronica Fire and Security’s most
important business areas are fire detection & security, plus maritime instrumentation
systems and sensors. Autronica Fire and Security AS stands for preservation of
environment, life and property.

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Stringent control throughout Autronica Fire and Security assures the excellence of
our products and services. Our quality system conforms to the Quality System
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ranges: marketing, sales, design, development, manufacturing, installation and
servicing of:

• fire alarm and security systems

• maritime instrumentation systems for monitoring and control

• petrochemical, oil and gas instrumentation systems for monitoring and control

In the interest of product improvement, Autronica Autronica Fire and Security
reserves the right to alter specifications according to current rules and regulations.

Autronica Fire and Security AS
N-7483 Trondheim, Norway.

Phone: [phone], fax: [phone]

Autronica Industrial Ltd., Watford, United Kingdom

Phone: [phone], fax: [phone].

Oil and Gas AS, Stavanger, Norway

Phone: [phone], fax: [phone]