Garland OG30 240V Heat Alarm
Mains-powered heat alarm that can be interconnected with up to 18 other mains alarms, be they ionisation, optical or heat. Once interconnected, the detection of the relevant danger by an individual unit will sound across all the connected alarms.
SKU
MADOG30
KEY FEATURES
- Interconnect with up to 18 hard-wired alarms – all alarms sound if danger is detected
- Alarm memory – identifies source unit within interconnecting network
- Reduced energy consumption – lower lifetime running costs
- Combined Hush/Test button allows regular testing of alarm function and can be used to temporarily silence nuisance alarms
- Auto reset after activation
- Tamper-resistant locking device prevents unauthorised removal without the use of a tool
- Mains operation – 9V Alkaline back-up battery supplied as standard
WHERE TO USE
Mains-powered heat alarms can be used throughout the home in humid or dusty environments where an photoelectric or ionization smoke alarm is unsuitable, e.g. kitchens, loft spaces and garages. The mains alarm’s range requires installation by a professionally qualified electrician and complies with AS 1603.3:2018 standards.
GENERAL FEATURES
| Feature | Description |
|---|---|
| Model | OG30 |
| Power Supply | 240V mains-powered with 9V Alkaline battery back-up |
| Temperature Range | 0ºC to + 40ºC |
| Humidity Range | Up to 93% Relative Humidity (RH) non-condensing |
| Storage and Transport | -20ºC to +60ºC and 5–95% relative humidity (RH) non-condensing |
| Alarm Dimensions | 127 x 127 x 54mm |
| Bracket Dimensions | 133 x 133 x 6mm |
| Alarm Weight | 213g |
| Warranty | 10 years |
| Approvals | AS 1603.3:2018 |
SPECIFICATIONS
| Attribute | Description |
|---|---|
| Sensor | Thermistor (Thermal Resistor) within detection unit |
| Button Test | Simulates the effect of heat at the sensor, checks electronics and sounder |
| Automatic Self-test | Circuitry is tested and unit beeps (chirps) if fault is detected |
| Supply Voltage | 240V AC, 50 Hz |
| Power Consumption | < 10mA |
| Connection | Push-in/snap-fit type connector with 150mm long flying leads (supplied) |
| Battery Back-up | User replaceable alkaline 9V battery (522/6LR61) |
| Power-on Indicator Alarm Sounder | Continuous green LED |
| Alarm Sounder | Electronic piezo-electric sounder (T3 pattern sound – three pulses – space – three pulses) with soldered contacts |
| Sound Output | 85 dB (A) minimum at 3 metres |
| Alarm Frequency | 3.2 kHz typical |
| Alarm Status | Red LED flashes approx once every five minutes = normal operation Red LED flashes once a second = sensing heat in excess of 58ºC (sounder alarm sounds) |
| Interconnection | Up to 18 units (smoke and heat) can be hardwire interconnected |
| Fixing | Mounting bracket ring supplied with two ‘T’ slot fitting option 57mm spacing to a maximum of 90mm for standard screw fittings on back boxes Bracket has 50mm diameter central access hole for cabling |
| Plastics used | NORYL – Cover, main body and mounting bracket |
| Lead-Free Status | All mains alarms are lead-free |
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