UNIQA REVOLUTION 25 - Boiler SIME - Free user manual and instructions
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| Product Type | Gas condensing boiler |
| Model | UNIQA REVOLUTION 25 |
| Brand | SIME |
| Power Output | 25 kW (heating) |
| Dimensions (H x W x D) | 700 x 400 x 300 mm |
| Weight | 35 kg |
| Power Supply | 230 V / 50 Hz |
| Energy Efficiency Class | A |
| Fuel Type | Natural gas (G20/G25) |
| Main Functions | Central heating and domestic hot water production |
| Control System | Electronic modulation with weather compensation |
| Maintenance | Annual service required; clean heat exchanger and burner |
| Safety Features | Overheat protection, flame failure device, gas pressure switch |
| Spare Parts Availability | Common parts available through SIME distributors |
| Warranty | 2 years (extendable) |
| Installation Type | Wall-mounted |
| Flue Type | Concentric (room-sealed) |
| Water Pressure Range | 0.8 - 1.5 bar |
| Noise Level | < 50 dB(A) |
| Certification | CE, ErP compliant |
Frequently Asked Questions - UNIQA REVOLUTION 25 SIME
How do I reset the boiler after a fault?
Press the reset button on the control panel for 3 seconds. If the fault persists, check the gas supply and water pressure.
What is the recommended water pressure for the system?
The water pressure should be between 0.8 and 1.5 bar when cold. If below 0.8 bar, refill via the filling loop.
Why is my boiler not producing hot water?
Possible causes: low water pressure, faulty diverter valve, or air in the system. First, check the pressure gauge and bleed radiators if needed.
How often should I service the boiler?
It is recommended to have an annual service by a qualified technician to ensure safe and efficient operation. This includes cleaning the burner and heat exchanger.
Can I use the boiler during a power outage?
No, the boiler requires 230V electrical supply to operate. It will shut down and display a fault code until power is restored.
What does error code E01 mean?
Error E01 indicates ignition failure. Check that the gas valve is open, the gas supply is present, and the ignition electrodes are clean.
How do I adjust the heating temperature?
Use the temperature dial on the control panel. For central heating, set between 60-80°C. For hot water, set between 35-60°C.
Is the boiler suitable for underfloor heating?
Yes, but you need to install a mixing valve or weather compensation to limit the flow temperature to 45°C maximum to avoid damage to the floor.
What type of flue does this boiler use?
The boiler uses a concentric flue system (room-sealed). The inner pipe exhausts combustion gases and the outer pipe draws in fresh air from outside.
Where can I find spare parts?
Spare parts are available through SIME authorised distributors or online heating parts stores. Always use genuine parts for safety and warranty.
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USER MANUAL UNIQA REVOLUTION 25 SIME
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Product information
Brand : SIME
Model : UNIQA REVOLUTION 25
Category : Boiler