The Beretta POWER EVO-X is a wall-hung condensing boiler designed for high-power heating applications. It is available in various models, including 50 DEP, 50, 65, and 80, with different heat input and output capacities. The boiler can operate in several configurations:
- CASE A: Heating only, without an external storage tank, and does not supply domestic hot water.
- CASE B: Heating only, with a thermostatically-controlled external storage tank (accessory kit available upon request) connected, supplying hot water for domestic use upon request from the storage tank thermostat.
- CASE C: Heating only, with an external storage tank (accessory kit available upon request) managed by a temperature probe for domestic hot water preparation. If connecting a non-Beretta storage tank, the probe should have characteristics of 10 kOhm at 25°C, B 3435 ±1%.
The boiler is classified into various flue gas exhaust accessory categories (B23P, B53P, C13, C13x, C33, C33x, C43, C43x, C53, C53x, C63, C63x, C83, C83x, C93, C93x). For indoor installations (B23P), it cannot be placed in bedrooms, bathrooms, showers, or rooms with open fireplaces without proper airflow. Adequate room ventilation is required. The appliance can be installed indoors in a suitable room (central heating) or outdoors in a partially protected location (single boiler application), operating in a temperature range of >0°C to +60°C. With specific accessories, it can be configured in a cascade system of up to four boilers (in-line or front-and-back 2+2). It is crucial that all thermal modules in a cascade have the same heat input values.
Technical Specifications:
The POWER EVO-X boilers comply with various EU regulations, including Regulation (EU) 2016/426, Efficiency directive 92/42/EEC, Electromagnetic Compatibility Directive 2014/30/EU, Low Voltage Directive 2014/35/EU, Ecodesign Requirements for Energy-Related Products Directive 2009/125/EC, Regulation (EU) 2017/1369 Energy Labelling, Delegated Regulation (EU) No. 811/2013, and Delegated Regulation (EU) No. 813/2013. They also meet boiler standards for gas heating (EN 15502-1) and specific regulations for type C, B2, B3, and B5 appliances with a rated heat output up to 1000 kW (EN 15502-2/1).
- Rated Heat Input (Heating): Ranges from 34.90 kW (30.014 kcal/h) for 50 DEP to 70.00 kW (60.200 kcal/h) for 80.
- Nominal Heat Output (80°/60°): Ranges from 33.99 kW (29.234 kcal/h) for 50 DEP to 68.24 kW (58.683 kcal/h) for 80.
- Nominal Heat Output (50°/30°): Ranges from 37.31 kW (32.085 kcal/h) for 50 DEP to 74.19 kW (63.806 kcal/h) for 80.
- Reduced Heat Input: 5.20 kW (4.472 kcal/h) for 50 DEP/50, and 8.20 kW (7.052 kcal/h) for 65/80.
- Useful Efficiency (Pn max - Pn min): 97.4-95.8% (80°/60°) and 106.9-107.2% (50°/30°) for 50 DEP, with similar values for other models.
- Overall Electric Power (maximum heating output): 158 W (50 DEP) to 284 W (80).
- Circulator Electric Power (1,000 l/h): 98 W (50 DEP/50) to 88 W (65/80).
- Voltage Supply: 230 V - 50 Hz.
- Protection Level: IPX5D.
- NOx Class: 6.
- Maximum Operating Pressure: 5 bar.
- Minimum Operating Pressure: 0.8-1.0 bar.
- Safety Thermostat Intervention: 102°C (±3).
- Maximum Temperature: 90°C.
- Heating Circuit Water Content: 4.75 L (50 DEP/50) to 9.00 L (65/80).
- Gas Pressure: Nominal natural gas (G20) 20 mbar; Nominal liquid gas (LPG G31) 37 mbar.
- Concentric Flue Gas Exhaust Pipes: Diameter 60-100 mm (max length 10m) or 80-125 mm (max length 25m).
- Separate Flue Gas Exhaust Pipes: Diameter 80 mm (max length 30+30m).
- Forced Open Installation (B23P-B53P): Diameter 80 mm (max length 48m).
Usage Features:
The boiler features an electronic control board that manages all functions, ensuring safety and automatic gas valve closure in case of malfunction.
- Control Panel: The interface displays system settings and provides access to parameters. It includes buttons for increasing/decreasing DHW and heating temperatures, confirmation (A), back/annul (B), navigation (C, D), and status modification (1). Icons indicate remote device connection (OT or RS485), Wi-Fi, outdoor temperature sensor, DHW functions, solar thermal management, alarms, flame presence, and setpoint levels.
- Operating Status: The boiler can be set to OFF, SUMMER, or WINTER mode using button 1.
- Temperature Control: Enabled via parameter P4.18=1 in the technical menu. It works with an outdoor temperature sensor and is active only in heating mode. The delivery setpoint is calculated based on the outdoor temperature and building insulation. Users can adjust the heating setpoint by modifying the compensation curve (P4.19) or by adding an offset.
- DHW Temperature Adjustment: For systems with a storage tank and probe (CASE C), DHW temperature can be adjusted from the main screen using buttons A or B.
- Screed Heater Function: For low-temperature systems, this function can be activated via parameter P4.09 in the technical menu when the boiler is OFF. It lasts 168 hours (7 days), simulating a heating request with increasing zone outlet temperatures.
- Sliding Delivery (P5.07): When a storage tank is connected, this function modifies the delivery setpoint for DHW requests, making it variable and automatically calculated by the boiler based on the difference between the required DHW setpoint and the storage tank probe temperature.
- Anti-Legionella Function (P5.01): For systems with a storage tank and probe, this automatic function heats DHW to 65°C for 30 minutes to prevent bacterial proliferation. It can be set for daily or weekly activation.
- Simultaneous DHW and Heating (P5.14): This special function allows managing simultaneous heat demand from the boiler to the water tank and heating circuit, requiring parameter P3.11 (CONFIG AUX) to be set to 2.
- Night-Time Compensation (P4.20): If a timer is connected, this function can be enabled to reduce the climatic curve on NIGHT level (16°C).
- Keypad Lock Function: Buttons 1+3 pressed for 2 seconds activate/deactivate the keypad lock.
- Alarm Log: Active with parameter P7.01=1, it records the last 5 alarms in chronological order.
Safety Devices:
The boiler incorporates several safety devices:
- Temperature Probes: On delivery and return lines, continuously measuring temperature difference (Δt) to allow control intervention.
- Pressure Transducer: With a minimum pressure function, inhibiting burner ignition below 0.8 bar.
- Ignition and Detection Electrodes: For combustion control.
- Flue Gas Temperature Probe: Monitors flue gas temperature.
- Safety Thermostat: Prevents overheating.
- Gas Valve: Automatically closes in case of malfunction.
- Anti-Lockout System: Launches an operating cycle after 24 hours of stoppage, provided the boiler is electrically powered.
- Anti-Freeze System: Automatically activates when primary circuit water temperature falls below 5°C, ensuring protection if the ambient air temperature is >0°C. For temperatures below 0°C, adding anti-freeze liquid to the primary circuit is advised.
Maintenance Features:
Regular maintenance is crucial for safety, efficiency, and product longevity.
- Preliminary Checks: Before initial start-up, verify supply network data, flue gas pipe operation, maintenance conditions, fuel system seal, fuel flow rate, circulator rotation, and drain-trap water level.
- Condensate Drain-Trap: The appliance is designed to prevent flue gas leakage via the drain-trap. It must be filled with about 1 liter of water during initial start-up or after maintenance.
- Venting Cycle: An automatic venting cycle runs for 6 minutes every time the boiler is powered, inhibiting heat requests (except DHW if not OFF). It can be interrupted by pressing button 2 or by a DHW request.
- Combustion Check: Performed with the casing closed, using a flue gas analysis probe adapter. Adjustments to maximum and minimum output, heating maximum, and slow ignition must be made in sequence by qualified personnel.
- Gas Valve Calibration: Involves checking CO2 values with the casing closed and open, then adjusting the maximum and minimum output adjustment screws.
- Gas Conversion: Conversion from methane gas to LPG (or vice versa) must be done by qualified personnel using specific kits, involving replacing the nozzle or mixer+nozzle assembly.
- Cleaning:
- Heat Exchanger: Disconnect electricity and gas, remove casing, disconnect electrodes and fan, remove mixer clip, loosen gas train nut, remove combustion unit nuts, take out air/gas conveyor assembly, and clean with a soft bristled brush. Use a blade (0.4 mm thick) to clean between coils. Rinse with water, avoiding damage to the retarder insulating panel. Do not use metal brushes or incompatible liquid detergents.
- Burner: Disconnect electricity and gas, remove casing, disconnect electrodes and fan, remove mixer clip, loosen gas train nut, remove combustion unit nuts, take out air/gas conveyor assembly, and clean with a soft bristled brush.
- Drain-Trap: Disconnect pipes, remove clip, take out drain-trap, loosen plugs, remove float, and clean solid residue. Do not remove the float or sealing gasket.
- Electrode Replacement: If the ignition or detection electrodes are replaced, the sealing gaskets must also be replaced. Ensure correct positioning and tighten screws to 2 Nm.
- Interface/Board Replacement: If the interface board is replaced, time and day values may need resetting. If the adjustment and control board is replaced, configuration parameters (P3.01, P3.02, P3.03, P3.06, P3.07, P3.08, P3.09, P5.07, P7.08) may need reprogramming to factory default values.
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