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G 521 - RFG 361 

C1  Eng.  

25.11.08 MZ   

Rev. 02

 

 

We reserve the right to make changes without notice

COSTER

5. TECHNICAL DATA

Power supply 

 

230 V ~ ± 10 %

Frequency 

 

50…60 Hz

Consumption 

 

3 VA

Protection 

 

IP40

Radiodio sturbances 

 

VDE0875/0871

Vibration test 

 

with 2g (DIN 40046)

Output relay: 

 

– switch 

voltage free

– maximum switched voltage   

250 V ~

– maximum switched current   

5 (1) A

Construction standards   

CEI

Enclosure 

DIN 3E module

Installation 

on DIN 35 rail

Materials: 

– base 

Nylon

– cover 

ABS

Ambient temperature: 

– operating 

0…45°C

– storage 

– 25…+ 60°C

Ambient humidity 

Class F DIN 40040

Weight 

0.250 kg

Pre-alarm & alarm intervention thresholds

 

(in bold type threshold with Sensitivity = 0) 

Methane

 

  – Alarm methane 

0.5…

0.8

…1.25 % 

5,000…

8,000

…12,500 ppm

  – Pre-alarm methane 

0.3…

0.5

…0.8 % 

3,000…

5,000

…8,000 ppM

Propane-LPG

 

  – Alarm-Propane-LPG 

0.22…

0.35

…0.56 % 

2,200…

3,500

…5,600 ppm

  – Pre-alarm propane-LPG 

0.14…

0.22

…0.35 % 

1,400…

2,200

…3,500 ppM

Carbon monoxide (CO)

 

Warning: in detecting carbon monoxide (CO), the levels and 

intervention times are processed and controlled by 

a microprocessor. The “Sensitivity” control must 

obviously be set in the “0” position.

  – Carbon monoxide: 

“thr time”

< 50 ppm: no alarm

50...100 ppm: 60 minutes

100...300 ppm: 10 minutes

> 300 ppm: immediate alarm

  –Carbon monoxide (CO) pre-alarm: 

time between 

exceeding alarm threshold and alarm

3. OVERALL DIMENSIONS

1 – Protective cover for electronic components

2 – Base with transformer, relay and terminal blocks

3 – Screws for securing base and cover

4 – DIN rail securing elements

5 – DIN rail release lever

1

2

3

4

5

4. FACIA

 

1  – Sensitivity control knob 

 

2  – Power LED

 

3  – Sensor fault or wrong connection LED

 4  – Pre-alarm (flashing LED) or alarm (LED stays lit)

 

5  – Reset button

4

3

2

1

5

53

50.5

21

Summary of Contents for RFG 361

Page 1: ...propane LPG sensors with semiconductors rendered selective by means of special filters carbon monoxide CO the sensor is an electrochemical cell with two electrodes specific for CO The detector provides as outputs a pre alarm signal and an alarm signal exceeding the pre alarm threshold is indicated visibly by a flashing light exceeding the alarm threshold is indicated by visible and acoustic warnin...

Page 2: ... 0 8 3 000 5 000 8 000 ppM Propane LPG Alarm Propane LPG 0 22 0 35 0 56 2 200 3 500 5 600 ppm Pre alarm propane LPG 0 14 0 22 0 35 1 400 2 200 3 500 ppM Carbon monoxide CO Warning in detecting carbon monoxide CO the levels and interventiontimesareprocessedandcontrolledby a microprocessor The Sensitivity control must obviously be set in the 0 position Carbon monoxide threshold time 50 ppm no alarm ...

Page 3: ...ctive in places subject to possible sprays of water particularly sensors positioned near the floor in places where the temperature or humidity could be outside the limits stated in TECHNICAL DATA 6 3 Solenoid shut off valve This must be installed on the gas distribution pipe taking the following precautions if possible in a different space from the one being controlled in an easily accessible plac...

Page 4: ...l jumpers switch off power N B the relay switch is shown in the condition of thedevice not being powered B Gas monitoring sensor 8 1 General diagram 8 2 2 Diagram of wiring with N C valve 230 V 8 2 Examples of wiring 8 2 1 Diagram of wiring with N O valve with manual reset 230 V B Gas monitoring sensor Y1 N O solenoid valve with manual reset B Gas monitoring sensor Y2 N C solenoid valve The normal...

Page 5: ...ion threshold sensitivity can be increased or decreased according to particular conditions of the space in which the sensor is positioned or for specific requirements knob towards increase of sensitivity knob towards decrease of sensitivity These adjustments however remain within the limits required by the regulations so it is always possible to intervene under conditions of the maximum safety The...

Page 6: ...is exceeded this is indicated by the intermittent lighting of the ALARM LED 4 4 on the detector 9 5 Alarm When the signal exceeds the alarm threshold for more than 20 seconds so as to have the certainty that it is not a momentary situation or a false alarm the detector activates the internal alarm only if without jumper M F1 on the facia the ALARM LED lights and stays lit 4 4 Moreover the alarm st...

Page 7: ...s until RESET button 4 5 is pres sed for at least 5 seconds If detector controls a valve with manual reset it is necessary to re open manually also the valve 11 WARNING IN EVENT OF ALARM Combustible gases methane and propane LPG First of all it must be remembered that in regard to the combustible gases methane and propane LPG most people are able to be aware of their presence even at concentration...

Page 8: ...i Via Gen Treboldi 190 192 Tel 39 0364773202 25048 Edolo BS Tel 39 0364773217 R E A C C I A A di Milano 969861 C F e Num di Iscr al Registro Imprese di Milano 00856030150 P IVA IT 00542780986 Cap Sociale 4 864 000 00 int vers ISO 9001 2000 THE INTERNATIONAL CERTIFICATION NETWORK Registration Number IT 34674 CSQ Certificate N 9115 COEE INFORMAZIONI TECNICHE Numero Verde 800 COSTER 800 267837 Date R...

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