Key Features
- 7 litres/minute hot-water flow rate
- Designed specifically for biogas
- Approximately 14 kW heat load
- Automatic/pulse ignition
- Automatic water-flow activation
- Low-water-pressure start-up
- Copper heat exchanger
- Automatic flame-failure protection
- Overheating protection
- Over-pressure protection
- Anti-dry-combustion protection
- Compact wall-mounted design
- Easy-to-use water-control operation
- Suitable for domestic and commercial applications
Functions
- Heats water instantly when a hot-water outlet is opened.
- Uses biogas combustion to transfer heat to flowing water.
- Automatically ignites when water flow is detected.
- Automatically stops heating when the water flow is closed.
- Provides a continuous supply of hot water while adequate water and biogas are available.
- Can supply hot water for showers, washing, kitchens and livestock operations.
Benefits
1. Uses Renewable Biogas
Converts biogas produced from animal manure, food waste and other organic waste into useful hot water.
2. On-Demand Hot Water
Water is heated as it passes through the unit, reducing the need for a separate hot-water storage tank.
3. Reduces Dependence on LPG or Electricity
Where a suitable biogas system is available, the heater can use locally produced biogas instead of relying entirely on conventional cooking or water-heating fuels.
4. Convenient Operation
Opening the hot-water tap activates the water-flow system and starts the heating process automatically.
5. Suitable for Low-Pressure Applications
Published specifications for comparable 7L biogas units indicate operation from approximately 0.02 MPa water pressure, although actual performance depends on installation conditions.
6. Multiple Applications
Suitable for homes, farms, hotels, restaurants, institutions, kitchens, bathrooms and livestock facilities.
7. Compact Installation
The appliance is relatively compact and can be wall-mounted close to the point of hot-water use.
Safety Features
The appliance may incorporate several automatic safety systems, including:
- Flame-failure protection
- Overheating protection
- Over-pressure protection
- Anti-dry-combustion protection
- Automatic gas shut-off
- Water-flow control
- Anti-wind-backflow protection on applicable models
Recommended Applications
- Residential bathrooms and showers
- Kitchen hot-water supply
- Hotels and guest houses
- Restaurants
- Schools and institutions
- Dairy farms and milking sheds
- Poultry and livestock farms
- Worker accommodation
- Farmhouses
- Other facilities with an existing biogas plant
Installation Requirements
For proper operation, the installation should include:
- A suitable biogas supply from a properly designed biodigester
- Correct biogas pressure and flow
- Suitable water supply pressure and flow
- Proper biogas-rated pipework and fittings
- Appropriate ventilation
- Safe combustion/exhaust arrangements
- Correct gas and water isolation valves
- Installation and commissioning by a competent technician
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