1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Beretta Ciao X 25 GPL Condensing Boiler. Please read this manual thoroughly before attempting any procedures. Keep this document in a safe place for future reference.
2. Safety Information
Important: Installation, first start-up, and maintenance must be performed by qualified and authorized personnel in accordance with local regulations and standards. Failure to comply may result in serious injury, property damage, or void the warranty.
- Gas Safety: Ensure proper ventilation. Do not store flammable materials near the boiler. In case of gas odor, immediately shut off the gas supply, open windows, and contact emergency services.
- Electrical Safety: Disconnect power before performing any service or maintenance. Ensure the boiler is properly grounded.
- Water Pressure: Regularly check the system pressure. Refer to the specifications for recommended operating pressure.
- Hot Surfaces: The boiler and associated piping can become hot during operation. Avoid direct contact.
3. Product Overview
The Beretta Ciao X 25 GPL is a modern condensing boiler designed for efficient heating and domestic hot water production. It features advanced technology for optimal comfort and environmental performance.

Figure 3.1: Front view of the Beretta Ciao X 25 GPL boiler.
Key features include:
- Condensing Technology: Maximizes energy efficiency by recovering heat from exhaust gases.
- Intuitive Touchscreen Interface: Easy control and monitoring of boiler functions.
- Stainless Steel Core: Ensures durability and long-term performance.
- Compact Design: Suitable for various installation environments.

Figure 3.2: Internal view of the boiler, showing the stainless steel heat exchanger.
The Ciao X 25 GPL boiler is also designed to be Hydrogen Ready 20%, supporting future sustainable energy solutions.

Figure 3.3: Hydrogen Ready 20% compatibility.
4. Installation and Setup
Installation of the Beretta Ciao X 25 GPL boiler must be carried out by a certified professional. This section provides a general overview; detailed instructions are provided in the installer's manual.
4.1 Unpacking and Inspection
Carefully unpack the boiler and inspect it for any signs of damage during transit. Report any damage to your supplier immediately.
4.2 Mounting the Boiler
The boiler is designed for indoor installation. Ensure the chosen location complies with local regulations regarding ventilation, clearances, and structural support. Use appropriate mounting hardware to secure the boiler to a solid wall.

Figure 4.1: Example of boiler installation in a domestic environment.
4.3 Connections
All connections (gas, water, flue, electrical) must be made by a qualified technician. Ensure all connections are secure and leak-free.
- Gas Connection: Connect to the GPL supply line.
- Water Connections: Connect the heating flow and return pipes, and the domestic hot and cold water pipes.
- Flue System: Install the flue system according to manufacturer instructions and local codes.
- Electrical Connection: Connect to the main power supply.

Figure 4.2: Boiler underside connections.
4.4 First Start-up
The first start-up procedure must be performed by an authorized service technician to ensure correct operation and validate the warranty.
5. Operating Instructions
The Beretta Ciao X 25 GPL boiler features an intuitive touchscreen interface for easy control.

Figure 5.1: Boiler control panel.
5.1 Turning On/Off
To turn the boiler on or off, refer to the specific power button or menu option on the touchscreen interface. The display will indicate the current status.
5.2 Adjusting Temperature
Use the '+' and '-' buttons on the control panel to adjust the desired temperature for both domestic hot water and central heating. The current temperature settings will be displayed.
5.3 Operating Modes
The boiler typically offers different operating modes (e.g., Summer, Winter, Anti-freeze). Select the appropriate mode via the touchscreen menu.
5.4 Hi, Comfort App Integration
The boiler can be controlled remotely using the Beretta Hi, Comfort app, available for smartphones. This requires the optional Smart Key K100 accessory.

Figure 5.2: Beretta Hi, Comfort app interface.
6. Maintenance
Regular maintenance is crucial for the safe, efficient, and long-lasting operation of your boiler. All maintenance procedures, except for basic cleaning, must be performed by a qualified technician.
6.1 User Maintenance
- Cleaning: Clean the exterior of the boiler with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Pressure Check: Periodically check the system pressure gauge. If the pressure is too low, consult your installer or the troubleshooting section.
6.2 Professional Maintenance
An authorized service technician should perform annual maintenance, which typically includes:
- Checking and cleaning the heat exchanger.
- Inspecting the gas connections and combustion.
- Verifying safety devices.
- Checking the expansion vessel and system pressure.
- Inspecting the flue system.
7. Troubleshooting
If your boiler experiences an issue, the control panel may display an error code. Consult your installer or an authorized service technician for complex problems. Below are some common issues and general advice:
| Problem | Possible Cause | Solution |
|---|---|---|
| No heating or hot water | No power, low system pressure, gas supply off, thermostat setting too low. | Check power supply, check system pressure and repressurize if necessary, ensure gas valve is open, check thermostat settings. |
| Boiler making unusual noises | Air in the system, pump issue, limescale buildup. | Bleed radiators, contact a qualified technician. |
| Error code displayed | Specific fault detected by the boiler's internal diagnostics. | Note the error code and consult the full technical manual or contact an authorized service technician. |
| Low system pressure | Leak in the system, expansion vessel fault. | Repressurize the system (refer to installer's instructions). If pressure drops frequently, contact a technician. |
8. Technical Specifications
| Feature | Detail |
|---|---|
| Manufacturer | Beretta |
| Item Code | 20197877 |
| Model Name | Ciao X 25 GPL |
| Product Dimensions (H x W x D) | 70 x 40 x 27.5 cm |
| Item Weight | 31.5 kg |
| Color | White |
| Installation Method | Indoor |
| Included Components | Boiler unit |
| Batteries Required | No |
9. Warranty and Support
9.1 Warranty Information
Your Beretta Ciao X 25 GPL boiler comes with a standard manufacturer's warranty. Please refer to the warranty card included with your product or contact Beretta customer service for detailed terms and conditions. An extended warranty option may be available.
9.2 Customer Support
For technical assistance, spare parts, or service requests, please contact your authorized Beretta service center or installer. You can also find support resources on the official Beretta website.
9.3 Hi, Comfort App
For remote control and enhanced user experience, download the Beretta Hi, Comfort app. Scan the QR code below to access the app download page.
