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SECTION 4. EQUIPMENT DESIGN AND CONSTRUCTION

SECTION 4. EQUIPMENT DESIGN AND CONSTRUCTION

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AS 2220.1—1989

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(i) Where equipment enclosure doors cover controls
and indicators, a rigid transparent viewing panel
shall be provided in the door so that the status of
the indicators and their associated zone labelling
may be seen without opening the door.
(j) Screws used for manufacture and installation
shall not be threaded directly into sheet metal
panels unless the threaded length of the tapped
hole is at least equal to the diameter of the
screw. Where this is not possible, backing blocks
or formed holes shall be employed. Screw
threads and fixings shall comply with AS 3100.
Where components are usually removed for
servicing, self-tapping screws shall not be used.
(k) Tapped holes in non-metallic materials shall not
be used. Metal inserts arranged so that they will
not rotate or loosen are permitted.
4.3.5 Battery enclosures. Batteries shall be secured
from unauthorized persons.
Non-sealed batteries shall be located in a separate
enclosure sealed from other parts of the electronic
equipment. The enclosure shall be protected against
corrosion and shall be well ventilated and be of such
a size as will permit easy access for battery
inspection and maintenance without need to
disconnect individual cells or batteries.
4.4 MARKING AND IDENTIFICATION OF
EQUIPMENT.
4.4.1 Enclosure marking. Each enclosure shall
comply with the marking requirements of AS 3100
and have a prominent and permanently attached name
plate with the following information:
(a) Name of manufacturer.
(b) Type of EWIS.
(c) Drawing/serial number.
(d) Year of manufacture.
(e) Approval number, where applicable.
4.4.2 Component labelling.

component designation shall be shown pictorially in
the EWIS technical manual. (See Section 6.)
Operational function and test points for checking
voltages and wave shapes shall also be marked
indelibly on each circuit board or in the EWIS
technical manual.
4.4.2.2 Transformers and terminals. Marking of
transformers and terminals shall be in accordance
with AS 3000, AS 3100, and AS 3108.1, AS 3108.2
and AS 3108.3. The minimum requirements are as
follows:
(a) Transformers.
(i) Name of manufacturer.
(ii) Type and approval numbers.
(iii) Pri mary and secondary vol tages,
frequencies and currents.
(b) Terminals. These shall be clearly labelled to
show the input and output voltages and the type
of circuit connected, e.g. mains connection
‘active’, ‘neutral’ and the earthing lug ‘earth’.
4.4.2.3 Fuses. Fuses shall be indelibly marked as
near as practicable to the fuse-holder with the
following information:
(a) Circuit reference.
(b) Current rating and fuse type.
NOTE: Manufacturers making a statement of compliance with
this Australian Standard on a product, or on packaging or
promotional material related to that product, are advised to
ensure that such compliance is capable of being verified.
Independent certification is available from Standards Australia
under the StandardsMark Product Certification Scheme. The
StandardsMark, shown below, is a (registered) certification trade
mark owned by Standards Australia and granted under licence to
manufacturers whose products comply with the requirements of
suitable Australian Standards and who operate sound quality
assurance programs to ensure consistent product quality.
Further information on product certification and the suitability
of this Standard for certification is available from Standards
Australia’s Quality Assurance Services, 1 The Crescent,
Homebush, N.S.W., 2140.

4.4.2.1 Printed circuit board (PCB) component
references. Each PCB component shall have a circuit
reference designation indelibly marked on the PCB
adjacent to the component so that it can be seen
without removing any component and the removal or
replacement of components does not destroy the
identification. Where this is not practicable, the

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AS 2220.1—1989

SECTION 5. PERFORMANCE TESTING
5.1
GENERAL.
The emergency warning and
intercommunication system (EWIS) tests shall be carried
out in the order set out in Figures 5.1 and 5.2 which
includes the electrical and mechanical construction
requirements in Section 4.
Where failure occurs during testing, the manufacturer
may rectify the fault. However the sequence of tests shall
recommence from the beginning of the particular test in
which the equipment failed. Where changes to the
equipment are made that would affect the previous test
results, then those previous tests shall be repeated.
5.2 FUNCTIONAL ASSESSMENT.
5.2.1 Operational state. The EWIS shall be tested
under full load conditions in accordance with Appendix
E.
5.2.2 Operational test. The EWIS shall be tested in
accordance with Appendix E.
The equipment shall comply with the following:
(a) There shall be no operational malfunction.
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(b) There shall be no mechanical deterioration.
(c) There shall be no obvious performance degradation.
5.3 ENDURANCE TEST.
5.3.1 Impact test. A free-fall test shall be performed
in which the bottom of the EWIS enclosure or subassembly racks shall fall flat onto concrete floor from a
height of 100 mm. After the fall, EWIS shall—
(a) be inspected, and any loose or faulty components
shall be recorded and rectified by the manufacturer
before retesting; and
(b) remain in good serviceable condition, and be
checked in accordance with Clause 5.2.2.
Equipment connected externally to the enclosure
and the battery shall not be included in this test.

(a) Condition the EWIS in accordance with
Paragraph D3 of Appendix D.
(b) Conduct the operational test (see Clause 5.2.2).
(c) The EWIS shall be installed in the test environment
in its normal service orientation. A free flow of air
around the specimen shall be maintained throughout
the test. Battery supplies shall be removed and
simulated for the duration of the test.
(d) The EWIS shall be switched on and operated in its
fully loaded condition in accordance with
Paragraph D3 of Appendix D. If the EWIS is
provided with artificial heating and/or cooling, the
facility shall be allowed to operate in a manner
which would simulate the normal service situation.
(e) Decrease the ambient temperature of the test
chamber to -10°C and maintain for 16 h. The rate
of change of temperature shall not exceed 1°C/min
to avoid temperature shock.
(f) Where practicable carry out the operational test (see
Clause 5.2.2) and note results.
(g) Increase the ambient temperature of the test
chamber to room temperature and maintain for a
recovery period of not less than 2 h.
(h) Check that temperature and humidity limits for the
recovery period are as follows:
(i) Temperature: between 15°C and 25°C.
(ii) Relative humidity: between 45% and 75%.
(i) Conduct the operational test (see Clause 5.2.2).
5.3.2.5 Dry heat test. The EWIS shall be tested in
accordance with AS 1099.2Bd and the following
procedure:
(a) Condition the EWIS in accordance with
Paragraph D3 of Appendix D.
(b) Conduct the operational test (see Clause 5.2.2).

5.3.2 Environmental tests.
5.3.2.1 General. Environmental tests shall be conducted
in the following sequence:
(a) Cold test (see Clause 5.3.2.4).
(b) Dry heat test (see Clause 5.3.2.5).
(c) Damp heat test (see Clause 5.3.2.6).
All evacuation zone
environmental tests.

equipment

shall

undergo

5.3.2.2 Abnormal environmental considerations. Where
equipment is installed outside the environment conditions
of -5°C to +45°C, any tests that apply shall ensure that
the equipment performs satisfactorily under the most
onerous environmental conditions required for the
particular project in which it will be installed.
5.3.2.3 Forced air ventilation. Where the test chamber
has forced air ventilation, the EWIS shall be subjected to
the additional test conditions in accordance with
AS 1099.2Ad and AS 1099.2Bd.
5.3.2.4 Cold test. The EWIS shall be tested in
accordance with AS 1099.2Ad and the following
procedures:

NOTE: Where conditions (a) and (b) have been complied with
from the previous test, it is not necessary for them to be
repeated.

(c) The EWIS shall be installed in the test environment
in its normal service orientation. A free flow of air
around the specimen shall be maintained throughout
the test. Battery supplies shall be removed and
simulated for the duration of the test.
(d) The EWIS shall be switched on and operated in its
fully loaded condition in accordance with
Paragraph D3 of Appendix D. If the EWIS is
provided with artificial cooling, the cooling facility
shall be allowed to operate in a manner which
would simulate the normal service situation.
(e) Increase the ambient temperature of the test
chamber to 55°C ±2°C and maintain for 16 h. The
rate of change of temperature shall not exceed
1°C/min to avoid temperature shock.
(f) Where practicable carry out the operational test (see
Clause 5.2.2) and note results.
(g) Decrease the ambient temperature of the test
chamber to room temperature and maintain for a
recovery period of not less than 2 h.

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AS 2220.1—1989

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(h) Check that temperature and humidity limits for the
recovery period are as follows:
(i) Temperature: between 15°C and 25°C.
(ii) Relative humidity: between 45% and 75%.
(i) Conduct the operational test (see Clause 5.2.2).

(b) The conducted level of electromagnetic energy is
1 volt RMS across a 50 ohm load in the frequency
range of 0.5 MHz to 220 MHz.

5.3.2.6 Damp heat test. The EWIS shall be tested in
accordance with AS 1099.2Ca and the following
procedure:
(a) Condition the EWIS in accordance with
Paragraph D3 of Appendix D.
(b) Conduct the operational test (see Clause 5.2.2).

5.3.2.8 Performance criteria. The EWIS when tested in
accordance with Clause 5.3.2 shall meet the following
performance criteria:

NOTE: Where conditions (a) and (b) have been complied with
from the previous test, it is not necessary for them to be
repeated.

(b) The EWIS shall comply with the operational test
(see Clause 5.2.2).

(c) The EWIS shall be installed in the test environment
in its normal service orientation. A free flow of air
around the specimen shall be maintained throughout
the test. Battery supplies shall be removed and
simulated for the duration of the test.
(d) The EWIS shall be switched on and operated in its
fully loaded condition in accordance with
Paragraph D3 of Appendix D. If the EWIS is
provided with artificial cooling, the cooling facility
shall be allowed to operate in a manner which
would simulate the normal service situation.
(e) Expose the EWIS to a temperature of 40°C ±2°C
and a relative humidity of 93% +2%, -3% for a
duration of 4 days. The rate of change of
temperature shall not exceed 1°C/min to avoid
temperature shock.
(f) Where practicable carry out operational test (see
Clause 5.2.2) and note results.
(g) Decrease the temperature and humidity of the test
chamber to room conditions and maintain for a
recovery period of not less than 2 h.
(h) Check that temperature and humidity limits for the
recovery period are as follows:
(i) Temperature: between 15°C and 25°C.
(ii) Relative humidity: between 45% and 75%.
(i) Conduct the operational test (see Clause 5.2.2).
5.3.2.7 Electromagnetic compatibility. The EWIS shall
be subjected to tests as described in Appendix G to
determine its ability to operate without degradation in an
electromagnetic environment where:
(a) The radiated level of electromagnetic energy in the
frequency range 27 MHz to 500 MHz is 3.0 V/m.
NOTE: This requirement is based on tests specified in IEC 801-3.

The EWIS shall be checked for compliance with the
emission requirements of AS 1044.

(a) The EWIS shall not initiate any false warning or
call signals and no fault condition shall be
indicated.

5.3.3 Transient voltage tests.
5.3.3.1 General. Two types of transient voltage tests
(impulse voltage withstand and high frequency
disturbance) shall apply as specified in Appendix F.
5.3.3.2 Impulse withstand test. When the EWIS is
tested in accordance with Appendix F, and followed by
an operational test in accordance with Clause 5.2.2, there
shall be no false operation and no damage shall have
occurred. A flashover shall not be a criterion for failure
unless permanent damage has occurred.
5.3.3.3 High frequency disturbance tests. When the
EWIS is tested in accordance with Appendix F, and
followed by an operational test in accordance with
Clause 5.2.2, there shall be no false operation and no
damage shall have occurred.
5.3.4 Durability test.
5.3.4.1 General. When the EWIS is connected in its
fully loaded condition and subjected to a test of 1000
cycles of each input and output function, the equipment
shall respond correctly during the test.
5.3.4.2 Test conditions. Test conditions shall be as
follows:
(a) Where the result of operating a particular facility
may be dependent on the state of other facilities,
then the facility shall be tested for all combinations
of states.
(b) External loads and battery supplies which would be
adversely affected if connected to the EWIS shall
be simulated during the test.
(c) All functions and loads shall be monitored for
correct operation during the test.

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AS 2220.1—1989

NOTE: Additional ‘operational tests’ to individual parts of the test series for assessing any failure may be
included at the discretion of the Testing Authority.

FIGURE 5.1 ASSESSMENT PROCEDURE

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AS 2220.1—1989
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FIGURE 5.2 ENDURANCE TEST PROCEDURES

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AS 2220.1—1989

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SECTION 6. DOCUMENTATION
6.1 GENERAL. An operator’s manual shall be
provided with each ECP. Where a technical manual is
required, it shall be requested in the project specification
and may replace the operator’s manual.
6.2 OPERATOR’S MANUAL. The operator’s manual
shall be written in clear, concise English. The manual
shall consist of the following:
(a) Title page (frontispiece) listing the following
information:
(i) Manufacturer’s name, address and telephone
number.
(ii) Product name or model number.
(iii) Volume number if applicable.
(iv) Approval numbers to which the equipment has
been certified.
(v) Manufacturer’s type number.
(vi) Equipment serial number and date of
manufacture.
(vii) List of compatible components, such as—
(A) loud speakers;
(B) visible indicating devices;
(C) emergency alarm devices; and
(D) warden intercom phones.
(b) Table of contents.
(c) Placing into operation. This Section shall contain,
without reference to other sections of the manual,
the following:
(i) Sufficient information to place equipment into
operation, completely aligned and adjusted.
(ii) A check list detailing the chronological order
for checking equipment ready for
commissioning.
This check list shall be used to indicate that
all equipment modules are operating
satisfactorily. A copy of the checklist will be
forwarded with the EWIS for commissioning
purposes.
(d) Instructions to operators. Where applicable, this
Section shall contain, without reference to other
sections of the manual, those instructions needed by
an operator to manipulate the equipment in
performing its intended purpose. In writing these
operator’s instructions, the manufacturer shall pay
due regard to the qualifications and training to be
expected of a normal operator.
6.3 TECHNICAL MANUAL. The technical manual
shall be written in clear, concise English and shall be
easily understandable to a trained technician or mechanic
who is not familiar with the equipment. Semiconductor
terminology and graphic symbols shall be in accordance
with AS 1102.101, and AS 1102.105. The manual shall
consist of the following:
(a) Title page (frontispiece) listing the following
information:
(i) Manufacturer’s name, address and telephone
number.

(ii)

Product name or model number.

(iii) Manual volume number if applicable.
(iv) Approval numbers to which the equipment has
been certified.
(v)

Manufacturer’s type number.

(vi) Equipment serial
manufacture.

number

and date

of

(vii) List of compatible components such as—
(A) loud speakers;
(B) visible indicating devices;
(C) emergency alarm devices; and
(D) warden intercom phones.
(b) Table of contents.
(c) Full specification of all relevant
parameters associated with the EWIS.

operating

(d) Technical description. This Section shall contain a
fully detailed technical description of each unit or
function, including any mathematical or analytical
treatment necessary for an understanding of the
operation of the equipment. Performance data for
each individual unit or function described shall be
included in a block preceding the text. Where
diagrams or illustrations are included to illustrate or
simplify a particular explanation, these shall be
printed on the same page as, or that facing, the
written work, or shall be throw-out pages at the end
of the manual (see Item (i)). The power
requirements such as voltage, current or frequencies
shall also be included where necessary.
(e) Alignment and adjustment. This Section shall
contain tests and adjustments associated with the
initial application of power, including those
associated with equipment protection. Step-by-step
alignment and adjustment instructions shall be
provided to achieve the specified performance.
Alignment instructions are required for individual
sections of equipment, as well as instructions
dealing with the overall alignment of all sections
when operating together. Test figures or waveforms
shall be quoted at the point in the text where the
relevant alignment or adjustment is described.
(f) Placing into operation. This Section shall contain,
without reference to other sections of the manual,
the following:

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(i)

Sufficient information to place equipment into
operation, completely aligned and adjusted.

(ii)

A check list detailing the chronological order
for checking equipment ready for
commissioning.
This check list shall be used to indicate that
all equipment modules are operating
satisfactorily. A copy of the check list will be
forwarded with the EWIS for commissioning
purposes.

AS 2220.1—1989

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(iv) Maker’s name and designation.
(i) Illustrations and diagrams. Sufficient illustrations
and diagrams for installation, operation, and
maintenance of the equipment shall be included in
the manual. Diagrams shall be in accordance with
AS 1102.101 and AS 1102.105. The wiring
diagrams of all plugs and sockets shall be shown
from the working side and shall include pin
numbers, in accordance with the standard system
used for the particular connector, on both plugs and
sockets. The method of identifying transistor
electrodes shall also be indicated. All diagrams shall
be throw-clear type.
(j) Provisions for listing all equipment installed with
the number and type of each facility and actuating
device fitted.
6.4 LOGBOOK. A logbook shall be supplied with the
equipment in the form specified in AS 2220.2.

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(g) Instructions to operators. Where applicable, this
Section shall contain without reference to other
sections of the manual, those instructions needed by
an operator to manipulate the equipment in
performing its intended purpose. In writing these
operator’s instructions, the manufacturer shall pay
due regard to the qualifications and training to be
expected of a normal operator.
(h) Schedule of components. A complete schedule of
components shall be provided, showing the
following information in the order given:
(i) Circuit reference number.
(ii) Component description including type of
component.
(iii) Electrical value, ratings and tolerances
(semiconductor device ratings shall be in
accordance with the appropriate parts of
AS 2547).

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APPENDIX A

TYPICAL BLOCK SCHEMATIC OF BASIC EWIS

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(This Appendix does not form an integral part of this Standard.)

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AS 2220.1—1989

AS 2220.1—1989

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APPENDIX B

INFORMATION TO BE SUPPLIED WHEN SPECIFYING AN
EMERGENCY WARNING AND INTERCOMMUNICATION
SYSTEM

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(This Appendix does not form an integral part of this Standard.)
The following information needs to be included in a specification, to enable proper
selection of a system to suit the particular building:
(a) Whether or not emergency intercommunication facilities are included (see
Clause 3.1).
(b) Type of panel—discrete switch or key-pad (see Clauses 2.4.5.1 and 2.4.5.2).
(c) The prescribed time and required sequence of operation of automatic evacuation
signals (see Clause 2.5.2.1).
(d) Whether or not facilities are required for the house warden to converse with up
to five WIPs on a conference basis (see Clause 3.2).
(e) Whether or not ancillary non-emergency functions are desired (see
Clause 2.5.2.3).
(f) Details of verbal message to be incorporated in the automatic evacuation signal
cycle.
(g) The preferred wording for a notice of instructions at each ECP and notices of
instruction at each WIP and evacuation zone speakers in unmanned areas, e.g.
plant rooms.
(h) Any adverse environmental conditions for:
(i) ECPs, main equipment; and
(ii) evacuation zones.
(i) Location and number of ECPs.
(j) Whether fire-rated cable risers are provided to comply with protection
requirements for cables in AS 2220.2.
(k) Whether a telephone instrument, with access to the Telecom Australia network,
is required in the MECP.
(l) Layout of proposed evacuation zones in the building.

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AS 2220.1—1989

APPENDIX C

TYPICAL EMERGENCY CONTROL PANELS

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(This Appendix does not form an integral part of this Standard.)

NOTE: The above layout is indicative only and other configurations providing an ergonomic panel design
are acceptable—see Clause 2.4.5.3.

FIGURE C1(in part) EMERGENCY CONTROL PANEL

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AS 2220.1—1989

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NOTE: The above layout is indicative only and other configurations providing an ergonomic panel design
are acceptable—see Clause 2.4.5.3.

FIGURE C1(in part)

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