Fantini Cosmi P30A Manual

Fantini Cosmi Gasdetektor P30A

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Side 1/2

INSTALLATION

P30A GENERAL CONTROL PANEL INSTALLATION

Screw the xing stay-bar and release the control panel

socket . Remove the socket by pulling with a

screwdriver on the latching tabs.

Fix the terminal-holders of the wall detector (according

to the xing systems shown hereby) in a dry not

dripping place.

SENSORS DETECTORS

They shuold be xed on a wall at an approximate

distance of 2 meters form the gas device in such a

position as to allow natural air circulation:

-S71 for specic ligth gases (natural gas, city gas) has

to be xed at an high level approximately 30/40 cm

from the ceiling.

-S72 for heavy gases (cylinder liquid gas LGP) has to

be xed to a low level approximately 30/40 cm above

the oor.

Avoid installing sensors:

-behind barriers that can prevent the natural air

circulation in the area

-close to air conditiong units (minimum distance 2

meters)

-close to fumes, steams or other exhalation sources

Remove the cover four front retaining screws, x the

base to the wall, using for the cables entrance the

special press-.cables.

GAS DETECTOR VALVE

Choose the gas interception valve among one of the

serie Z-EV, generally closed with quick on and o

realease switch, class A with approval (or

corresponding models) according to diameter and gas

pipe type.

Install the valve in the most suitable part of the plant

downstream the counter or at the exit of the

accumulation tanks.

ACOUSTIC/VISUAL EXTERNAL SIGNALLER

Use the self-fed type most suitable with your kind of

plant, place it in an easely visibles place.

CONNECTIONS WITH POSSIBLE FIRE ALARM

CONTROL SYSTEM AND/OR ANTI-INTRUSION

DEVICE.

The voltage free terminal exchange contact available

for the external acoustic/visual signaller can in

alternative be used for connections with alredy exiting

central alarm panels.

CONTROL PANEL

CENTRAL CONTROL CONSOLE

Visual indicator: normally switched off, flashes in case

of alarm. It can be switched off only through the reset

button.

Operating indicator: always switched on.

Alarm sensors indicators: generally switched off they

switch on when the connected sensor send an alarm

signal. They switch off when the gas concentration

goes back to the allowed levels.

Test switcher to verify the device except for the

sensors.

Switch for external siren silencing: it allows to switch

off the siren even during an alarm situation.

Reset switch to stop the alarm after the cause has

been removed.

Operation delay: unique for all sensors, regulates the

delay once that a warning situation has been detected

by all sensors and it has activated the general alarm.

Acoustic signaller: positioned inside the central

control panel operates in case of alarm. It can be

switched off only through the reset switch.

SENSOR

Operating indicator: always switched on.

Fault indicator sensor

Alarm indicator: generally switched off, it operates

and remains on for all the time in which the gas

concentration remains above the established level.

SENSORS

CENTRAL

(INTERNALS)

110

P30A CENTRAL CONTROL PANEL:

OVERALL DIMENSIONS

WALL FIXING

BACK-CONTROL CONSOLE FIXING

EXTRACTION SOCKET

SENSORS: OVERALL DIMENSIONS

GENERAL FEATURES

The industrial environment electronic central gas leak

detector P30A equipped with specic sensors (S71

for natural gas and S72 for LPG) is ideal for

controlling and signalling dangerous gas

concentration in the air specifically for detecting

natural gas, city gas and LPG (Cylinder Gas)

excesses.

When in the controlled area there is a gas

concetration that exceeds the established level the

device triggers on the electrovalve to stop the gas

inflow. At the same time a an simultaneously visually

and acoustically signaling the danger. In addition to

the internal alarm system an external siren can also

be controlled . It is evident that the established level

control is much more inferior to the danger threshold

to allow the necessary time to operate before the

exhalation of a gas-air explosive or toxic mix

becomes dangerous for a human being.

Even three sensors, of different kind, can be

connected to the same detector to control different

areas or to control different kind of gases..In case of

gas leaks a luminous led on the control panel will

indicate the interested area.

The alarm can be delayed on the central panel up to

approximately one minute to avoid fortuitously

operating and the gas interception valve

TECHNICAL FEATURES

-Box and socket of insultated material, transparent

cover. Protection degree IP 40 .

-Installation possibilities: embedded, projected or

behind the control console.

-Overall dimensions according to DIN 43700;

144x144mm.

-Voltage 230 V c.a.- 50 Hz or 12 Vcc.

-Consumption 5VA

-Outlet through electromagnetic relays on volt free

terminals radio noises protected with RC group

(according to D.M. 9/10/1980).

-Contacts Carrying Capacity: 5A - 250 V AC-1.

-Alarm delay regulation up to one minute.

-Working environment temperature: -10• to +50•.

INTERNAL ALARMS

-Instantaneuos: visual with area indication (Red

Led)

-Delayed: acoustic and visual.

EXTERNAL ALARMS

Two relays with changeover volt free contacts are

available:

-one to operate interception valves

-one to operate an external electric horn

(disconnectable).

DETECTORS SENSORS

The operation sensors threshold is set by the

manufacturer at such a level to warn a gas

concentration much lower than the danger limit.

For special applications it is possible to change

the sensitity of the sensor opertating on a specific

way of regulation which, for security reasons, can

not be externally reached.

The detectors sensors are equipped with a

lumious led to signal the need for intevention and

the central panel connections are with positive

security (their interruption causes the detector

operation).

- Anti shock insulating box, protection degree

IP65.

- Green led diode marks the functioning of the

device

- Red led diode marks need for intervention.

- Detector positive security connections.

P30A

ELECTRICAL CONNECTIONS

Install a small switch with 1A fusbile

valves on the power supply of the

central console in order to protect the

valve and to disconnect the voltage

when removing the central console

from the socket.

The electical connections among

probes and the central console should

be operated with bifilar wires with a

maximum section of 1mm2 for a

maximum lenght of 200 meters; for

bigger distances the section of the wire

has to be increased proportionally in

order that the overall resistence of the

wire remains unchanged.

Avoid to pass the probes connections

close to high voltage supply cables.

Connect the various devices according

to the scheme on the side figure.

Make sure that the connections are

well kept and not oxidized.

Plug in the Faston central consol

connecctions in the socket special

terminal-holders by pressing till

complete bedding.

Tighly screw the fixing stay-bar.

OPERATION TEST

Connect to 230 Vc.a. and/or 12Vcc).

On first switing on and after a long period of lack of

power supply on both votages the central control

panel and the sensors get into the alarm situation.

When all three Led C turn off (after a maximum of

20 sec.), push the reset button - Bring the F

operation delay switch to the minimum, the G

switch E on position "ON" and press the "TEST"

button D for a few seconds;

Verify:

- fastening of the valves

- operation of the siren and the possibility of its

silencing through switch E

- Correct functioning of local visual signaller and A

acoustic signaller H.

At the end ot the test press button to restablish F

non-alarm conditions.

To verify sensors correct funtioning:

- switch the delay switch to the maximum levelG

- Bring a lighter near the sensor and let the gas flow

out from it. The local red led and the corresponding

one on the central panel should turn on. C

Repeat the operation for each of the installed

sensors.

It is advisable to repeat this operation

approximately every month to verify the constant

regular functioning of the sensors.

PLANT LAYING

It is advisable after having ended all testing

operation to keep initially under control the

sensitity of each single sensor setting them on a M

central position and the setting the delay operation

G almost at the minimum level.

Adaptations to the controlled areas specific

charateristcs will be made accordingly with the

presence of specific alarm situations or by

reproducing them in real operating conditions.

NB. The detector P30A is provided with

semiconductor sensitive probes. After long non-

operating periods (storage, not-power suppied

device) a stabilisation period is required; the

manufacturer setting keeps that into account

therefore the ideal functioning will be reached after

an initial period of 10 days not-interrupted power

supply.

NB.

-The socket is supplied with two resistences connected

between terminals 12-22 and 14-16 which should be removed

in case they are connected with probes 2 and 3.

-The 12 voltage supply is optional.

We reserve the ringh to make modification without prior notice 2005/03

Z-EV

GAS VALVE

SELF-FED

ACOUSTIC/VISUAL

SIGNALLER

CONNECTION

P30A

PROBE S71:

SENSOR 1

SENSOR 2

SENSOR 3

VOLTAGE

230V-50Hz

GAS SECURITY

VALVE EXIT

RELAY

DISTANT

ALARM

EXIT RELAY

ELECTRONIC CONTROL UNIT FOR GAS LEAK DETECTION

FOR INDUSTRIAL ENVIRONMENTS

Via dell'Osio, 6 20090 Caleppio di Settala MI-ITALY

International calls Tel.+39 02 95682222

Fax.+39 02 95307006

E-mail: export@fantinicosmi.it

Http//www.fantinicosmi.it

Produkt Specifikationer

Mærke:	Fantini Cosmi
Kategori:	Gasdetektor
Model:	P30A

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