PATENT Premium Fireman Intercom User manual

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REV 1.0

O&M-PP-0
Operator’s Manual for Fireman Intercom
PATENT
CONTENTS
1. GENERAL
1.1 Scope 1
1.2 System Description 1
2. SYSTEM CONFIGURATION
2.1. Master Control Console 2
2.2. Remote Handset Module 3
2.3. Supervisory Termination Panel 3
2.4. General Wiring Diagram 4
2.5. Wiring Diagram for Supervisory Termination Panel 5
3. OPERATING INSTRUCTIONS 6
3.1 Normal Operating Conditions 6
3.2 Remote Handset calling Master Control Console 6
3.3 Master Control Console calling Remote Handset 6
3.4 Additional Remote Handsets calling Master Control Console 7
3.5 Privacy and Conference Mode 7
3.6 Ending Conversation 7
4. FAULT CONDITIONS
4.1. Silencing the Buzzer 8
4.2. Resetting the System 8
5. INDICATORS TEST 8
6. RECORDING MODULE (Optional) 9
7. MAINTENANCE AND TESTING 10
APPENDIX A A1

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1 GENERAL
1.1 Scope
This manual serves to provide general information on PATENT Premium Fireman
Intercom System. It applies to the installation, operation and maintenance of the
system. To ensure a continuous reliability of the system, it is recommended that an
agreement to carry out regular maintenance of the installation is made with a competent
and qualified contractor trained to service and maintain this system.
Arrangements should be made such that a qualified person is available to provide
service at the installation in the event of an emergency.
1.2 System Description
PATENT Premium Fireman Intercom System provides a two-way communication
between remote areas and the Fire Command Centre in a building.
The system comprises of a Master Control Console and Remote Handsets which are
located at designated areas.
The Master Control Console houses the following facilities:
- Master Handset;
- Selector switches for individual remote handsets;
- Selection for “Privacy” and “Conference” mode of communication;
- Visual indication and audible signal on “Call” and “Fault” for each remote
handset;
- Visual indication and audible signal for system malfunction;
- Visual indication for recording system (where applicable).

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2 SYSTEM CONFIGURATION
2.1 Master Control Console
Master System Zone Control Modules
Handset Control
Module
The Master Control Console comprises a Master Handset, a System Control Module
and Zone Control Modules.
The Master Handset is used to communicate with the remote handsets. The lifting of the
handset will allow the operator to have control of the Master Control Console.
The System Control Module provides visual and audio indications for the whole Fireman
Intercom System. Visual indications display faults from power supply, battery, handsets
fault, processor fault and/or common fault. Where recording is applicable (with the
modified TEAC W-790R), the module will also show the running time of the cassette as
well as visual indications showing “Cassette Stop” and “Cassette Out”. The module also
has two buttons for allowing operators to select between Privacy and Conference Mode.
Each Zone Control Module controls and supervises 8 remote handsets. It is used to
select and deselect the remote handsets as well as monitoring faults and calls from
remote handsets.

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2.2 Remote Handset Module
The Remote Handset Module consists of a handset in an enclosure installed at
designated area in a building. The enclosure can be opened by an assigned key or
break-glass in order to access the handset. Lifting of the handset will initiate a
conversation with the Master Control Console.
2.3 Supervisory Termination Panel
The Supervisory Termination Panel is an interface between the Master Control Console
and the Remote Handsets. Each panel can connect up to 8 handsets. This panel should
not be opened unless for installation or maintenance purpose.

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2.4 General Wiring Diagram

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2.5 Wiring Diagram for Supervisory Termination Panel

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3 OPERATING INSTRUCTIONS
3.1 Normal Operating Conditions
Under normal operating conditions:
a) “Power on” led is lighted;
b) No other indicator is lighted;
c) The panel is silent;
d) All handsets are silent;
3.2 Remote Handset calling Master Control Console
The raising of any remote handset from its cradle will:
a) be indicated visually at the Zone Control Module, on the Master Control
Console, the location of the handset by means of a flashing led;
b) sound a distinct audible signal at the Master Control Console;
c) produce an audible tone in that handset. This tone will disappear once the
master handset is raised and communication is established.
The raising of the master handset from its cradle will:
a) silence the audible signal at the Master Control Console;
b) replace the flashing led on the Zone Control Module by a continuous lighted
indication;
c) “Intercom” led is lighted.
If more than one remote handset are raised before the master handset is raised, the
raising of the master handset will allow communication with these handsets.
3.3 Master Control Console calling Remote Handset
In initiate communication with one or more remote handsets, the following procedure
applies:
a) Raise the master handset from its cradle. This will allow the operator to select
the remote handset(s). An audible tone will be produced in the master
handset. This tone will disappear if any remote handset is raised.

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b) Select the remote handset(s) that the operator wishes to communicate with
by pressing the push-button(s) on the Zone Control Module. A flashing led will
indicate that the remote handset is selected for communication.
c) A distinct audible signal will be heard at the selected remote handset. Upon
the raising of the remote handset, the audible signal will disappear and
communication with the master handset is established. The flashing led on
the Zone Control Module will be replaced by a continuous lighted indication
3.4 Additional Remote Handsets calling Master Control Console
During the course of a conversation between the master handset and a remote handset,
if one or more additional remote handsets are raised, this condition will be indicated by
a flashing led on the respective Zone Control Module. These additional remote
handsets will have a “busy” tone. This tone will disappear and these handsets will be
able to join in the conversation once the operator at the Master Control Console presses
the corresponding selector switch on the Zone Control Module.
3.5 Privacy and Conference Mode
When more than one remote handset are calling or in the conversation, the lighted
“Private” led on the System Control Module will be replaced by a lighted “Parties” led.
In the event when the operator at the Master Control Console wishes to engage a
private conversation with a particular remote handset, the operator can press the
“Privacy” button. This will terminate conversation with all raised handsets which will then
receive a “busy” tone. The operator will then press the selector switch to select the
remote handset in question so that conversation can be established.
If the operator at the Master Control Console wishes to talk to all raised remote
handsets at that moment, the “Conference” button can be pressed.
3.6 Ending Conversation
To end a conversation between the operator at the Master Control Console and the
remote handset, the operator will press the corresponding selector switch. The
continuous lighted led will change to a flashing indication. The remote handset in
question will receive a “busy” tone. Upon replacing the remote handset back to its
cradle, the flashing indication on the Zone Control Module will disappear.
Replacing the master handset back to its cradle when all remote handsets are hooked
will make the Fireman Intercom System resume its normal operating condition.

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4 FAULT CONDITIONS
The Fireman Intercom System is designed to check itself and indicates a wide range of
possible faults. In the event of a fault, the following will be observed:
a) An amber led indication of the fault in question
b) An amber led indication of the fault of the handset in question, if any
c) A general sounding of buzzer at the Master Control Console
The cause and solution of each fault indication is explained in Appendix A.
4.1 Silencing the Buzzer
During fault condition, the buzzer can be silenced by pressing the “Buzzer Silence”
button. After which, the buzzer will give a short buzz every 15 seconds until the fault is
fixed.
4.2 Resetting the System
The system can be reset by pressing the “System Reset” button. Almost all the fault
indications will be cleared by itself once the fault in question is rectified. For “Loop
Fault”, the “System Reset” button needs to be pressed after rectification to allow the
system to resume normal operation.
The cause of the fault should be investigated and rectified before attempting to reset the
system.
5 INDICATORS TEST
The working condition of the LEDs on the front panel of the Master Control Console and
the Buzzer can be tested by pressing the “Indicators Test” button on the System Control
Module. Once pressed and hold, the LEDs will be lighted up and the buzzer will give a
continuous sound to indicate they are in working condition. Releasing the button will off
the buzzer and the LEDs except the “Power On” led.

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6 RECORDING MODULE (Optional)
The Recording Module, together with a modified Cassette Recorder (TEAC W-790R),
provides recording of conversation on the Fireman Intercom in the event of a fire alarm.
The System Control Module has a digital counter (max 120 mins), which shows the time
lapse of recording of each recording event. It also consists of visual indications
specifying different modes – Fire Alarm, Paging, Intercom, Recording, Cassette Out and
Cassette Stop.
The Recorder will start recording upon a trigger of an incoming fire signal at the Fireman
Intercom. Once the fire signal is cleared and the “System Reset” button is pressed, the
recording will stop. The digital counter will then be reset and the “Recording” led will be
off.

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7 MAINTENANCE AND TESTING
In order to ensure a safe and continuous reliability of the fire alarm system, it should be
regularly tested and serviced. Routine testing and maintenance should only be carried
out by competent personnel trained in this field.
As recommended by CP 25: 1999, Section 10, a combined monthly test of the fire alarm
and the Fireman Intercom system should be carried out under simulated fire emergency
conditions. The test should include the following operations:
a) all visual and audible indicating devices at the fire command centre shall be
checked;
b) all controls, including alarm signal silencing and alarm signal transferring
devices shall be checked;
c) the alarm sounding devices throughout the building shall be tested using the
switches on the console of the fire command centre;
d) all loudspeakers shall be checked by actuating them selectively and
collectively from the fire command centre;
e) the handsets shall be checked by transmitting calls between the remote
handsets throughout the building and the master handset at the fire command
centre on both a party-line and private-line basis;
f) building services which have remote control facility at the fire command
centre shall be checked;
g) the recording system shall be checked.
All defects observed during the foregoing testing procedures shall be recorded in the log
book and shall be rectified immediately.

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APPENDIX A
FAULT INDICATION GUIDE
Fault Indication Possible Causes Possible Solutions
Processor Fault -Wrong data signal received
-Data lagging
-Processors will rectify the fault and fault
indication should clear on its own
-Processors not having power
supply of 5V due to voltage surge
-Off and ON the system again and observe
the LEDs (CPU1 and CPU2) on the main
board (PP-LDM-1). LEDs should be flashing.
Loop Fault -The wires may be shorted, broken
or not properly terminated
-Check wiring throughout the loop that starts
from the Master Control Console, to all the
Supervisory Termination Panels and ends
back at the Master Control Console
-Press "System Reset" button to reset
Earth Fault -Components and/or wires are
having contact with the chassis/
trunking
-Check for lines shorted to chassis/ trunking
Mains Fault -No incoming 230Vac -Check external main p
ower supply
-Check that wire terminations are tightened
and correct
-AC Switch not on -On AC Switch at PP-PSM-1
-AC Fuse blown -Replace AC fuse
Charger Fault -Charger Fuse blown -Replace fuse (check rating)
-Supply voltage out of specification -Measure DC supply and adjust back to
27.5Vdc (tune VR1 on PP-PSM-1)
Battery Fault -Battery Fuse blown -Replace fuse (check rating)
-Supply voltage out of specification -Measure DC supply. If supply > 30Vdc, adjust
DC supply back
to 27.5Vdc.
-Measure battery supply. If supply < 22Vdc,
battery fault will be indicated and system is
charging the battery. Fault will clear once
battery is charged up above 22V
Master Handset Fault -Wires connected to the master
handset not terminated properly/
defective
-Check termination and condition of wires
-Components inside the master
handset is damaged
-Call for service
Remote Handset Fault
(Affected handset shown
on Zone Control Module)
-Wires connected to the remote
handset not terminated properly/
defective
-Check termination and condition of wires
-Components inside the remote
handset is damaged
-Call for service