SRG.4 - Gas detector Vemer - Free user manual and instructions
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| Product Type | Gas Detector |
| Brand | Vemer |
| Model | SRG.4 |
| Detected Gas | Methane (natural gas) or LPG, depending on configuration |
| Sensor Technology | Catalytic semiconductor sensor |
| Power Supply | 230 V AC, 50 Hz |
| Power Consumption | Less than 2 W in standby |
| Alarm Threshold | 10% LEL for methane |
| Audible Alarm | 85 dB at 30 cm |
| Visual Alarm | Red and green LED indicators |
| Output Relay | 6 A / 250 V AC, normally open or closed |
| Mounting Type | Wall-mounted indoor unit |
| Dimensions | 125 x 80 x 40 mm |
| Weight | 200 g |
| Operating Temperature | -10 °C to +50 °C |
| Operating Humidity | 20% to 90% RH, non-condensing |
| Wire Connection | Screw terminals up to 2.5 mm² |
| Standards Compliance | CE, EN 50194-1 |
| Expected Sensor Life | 5 years |
| Maintenance | Periodic cleaning with soft dry cloth |
| Ingress Protection | IP30 |
Frequently Asked Questions - SRG.4 Vemer
How do I install the Vemer SRG.4 gas detector?
The detector should be mounted on a wall at the appropriate height depending on the gas type. For natural gas (methane), install it near the ceiling (above the appliance) because gas rises. For LPG, install it lower near the floor. Connect the wires to the screw terminals as per the manual and ensure the power supply is off during installation.
Where is the best location to place the gas detector?
Place the detector in the same room as the gas appliance, on a wall, avoiding corners and away from windows, vents, heat sources, and steam. It should be at least 1.5 m from the appliance. For natural gas, mount within 30 cm of the ceiling; for LPG, mount within 30 cm of the floor to detect gas correctly.
What should I do when the gas detector alarms?
Do not switch on or off any electrical devices. Open the windows and doors immediately to allow ventilation. Turn off the gas supply if possible. Exit the area and contact the fire service or the gas company from outside. Do not re-enter until safe.
How can I test the gas detector?
Press the test button on the front panel. The detector will activate its alarm circuit and sound the audible alarm. Verify that the LEDs indicate the alarm status. Test the unit weekly to ensure proper operation.
Does the detector work in case of power failure?
The Vemer SRG.4 is powered by 230 V AC and does not have a backup battery. In case of power failure, the detector will be non-functional. It is recommended to connect it to a supply circuit that is not commonly switched off.
How do I clean and maintain the gas detector?
Use a soft, dry cloth to clean the exterior. Do not use water, aggressive cleaning products, or solvents. Periodically check that the dust and dirt do not block the sensor vents. The sensor has a life of about 5 years; after this period, replace the whole unit.
Can the SRG.4 be integrated with external devices like shut-off valves?
Yes, the detector features an output relay with 6 A/250 V AC capability, which can connect to external devices such as solenoid gas valves, fans, or alarm systems. Ensure the load does not exceed the relay rating.
What causes false alarms in the SRG.4?
False alarms can be triggered by alcohol, cleaning agents, paints, or other volatile gases that are not target gases, especially at high concentrations. Ensure good ventilation and keep the detector away from such sources. Also, rapid temperature changes and high humidity may cause nuisance alarms.
How long is the warranty period for the Vemer SRG.4?
The warranty typically covers the detector for a period of 3 years from the date of purchase against manufacturing defects, according to Vemer's terms. Keep the proof of purchase. For specific claims, contact the retailer or Vemer support.
Is the SRG.4 suitable for use in kitchens and commercial places?
The detector is designed for indoor use in residential and light commercial environments where gas appliances are present. It is not rated for industrial or outdoor installations. Follow the EN 50194-1 standard requirements for proper coverage and placement.
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USER MANUAL SRG.4 Vemer
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Product information
Brand : Vemer
Model : SRG.4
Category : Gas detector