1. Introduction
This user manual provides essential information for the safe and efficient operation, installation, and maintenance of your Chappee Initia + Compact 2.25 HTE gas condensing boiler. Please read this manual thoroughly before attempting any installation, operation, or maintenance procedures. Keep this manual in a safe place for future reference.
2. Safety Information
Important: Installation, commissioning, and servicing of this appliance must be carried out by a qualified and authorized professional in accordance with all local and national regulations.
- Gas Safety: Ensure proper ventilation and check for gas leaks regularly. In case of a gas odor, immediately shut off the gas supply, open windows, and evacuate the premises. Do not operate electrical switches. Contact your gas supplier and a qualified technician.
- Electrical Safety: Disconnect the power supply before performing any maintenance or service. Ensure the appliance is properly grounded.
- Hot Surfaces: The boiler and associated pipework can become very hot during operation. Avoid direct contact to prevent burns.
- Water Pressure: Do not tamper with the pressure relief valve. Ensure the system pressure is within the recommended range.
- Children and Pets: Keep children and pets away from the appliance.
3. Product Overview
The Chappee Initia + Compact 2.25 HTE is a high-efficiency gas condensing boiler designed for both central heating and domestic hot water production. It features micro-accumulation technology for immediate hot water comfort and stable temperature. Its compact design (40cm width) allows for flexible installation.
Key Features:
- Condensing technology for high energy efficiency (up to 108.8% at partial load).
- Micro-accumulation system for instant and stable domestic hot water.
- Full power modulation (16% to 100%) for precise heating control.
- Integrated and inspectable heating filter to protect the heat exchanger.
- Low minimum power (4 kW) suitable for various heating demands.
- Stainless steel (316 L) combustion chamber and spiral heat exchanger.
- Energy class A for both heating and domestic hot water.
Boiler Components:
The boiler unit includes the main heat exchanger, combustion chamber, control panel, various sensors, and connection points for gas, water, and flue. It comes complete with a flue kit, connection fittings, and a wired thermostat (CFF000028).
Figure 1: Front view of the Chappee Initia + Compact 2.25 HTE gas condensing boiler. This image shows the compact design and the general layout of the appliance, including the control panel area and the main casing.
4. Setup and Installation
Warning: Installation must be performed by a certified heating engineer. Incorrect installation can lead to serious injury, property damage, or void the warranty.
4.1 Unpacking and Inspection
Carefully unpack the boiler and all accessories. Inspect for any signs of damage during transit. Report any damage to the supplier immediately.
4.2 Positioning the Boiler
Choose a suitable location that complies with local regulations for gas appliances, ensuring adequate clearance for maintenance and ventilation. The boiler is designed for wall mounting.
4.3 Connections
The boiler package includes a flue kit (ventouse condensation), connection fittings (barrette de robinetterie + jeu de douilles), and a wired thermostat. All connections must be made by a qualified professional.
- Flue System: Install the condensation flue system according to the manufacturer's instructions and local building codes.
- Water Connections: Connect the heating flow and return pipes, as well as the domestic cold water inlet and hot water outlet. Ensure all connections are watertight.
- Gas Connection: Connect the gas supply line to the boiler's gas inlet. Perform a gas leak test after connection. The boiler operates on natural gas and can be converted to LPG with a simple adjustment by a qualified technician.
- Electrical Connection: Connect the boiler to the main electrical supply. Ensure proper grounding. Connect the wired thermostat (CFF000028) to the designated terminals on the boiler's control board.
- Condensate Drain: Connect the condensate drain to a suitable waste pipe, ensuring proper slope for drainage.
Description of Installation Diagram (Conceptual): An ideal installation diagram would illustrate the boiler mounted on a wall, showing the connections for gas, cold water inlet, hot water outlet, heating flow and return, electrical supply, flue pipe exiting through the wall, and the condensate drain leading to a waste pipe. It would also show the wired thermostat connected to the boiler.
5. Operating Instructions
Once installed and commissioned by a qualified technician, your Chappee Initia + Compact boiler is ready for operation.
5.1 Control Panel Overview
The control panel typically includes a display, mode selection buttons (heating, hot water, standby), and temperature adjustment controls. Refer to the specific control panel diagram provided with your boiler for exact button functions.
Description of Control Panel (Conceptual): A typical control panel features a digital display showing current temperature or status codes. Below the display, there are usually buttons or rotary knobs for adjusting heating temperature, domestic hot water temperature, and selecting operating modes (e.g., heating only, hot water only, heating and hot water, standby). An 'On/Off' button or switch is also present.
5.2 Initial Start-up
- Ensure the gas supply is open and the electrical supply is connected.
- Check the system water pressure on the boiler's gauge. It should be within the recommended range (typically 1.0 to 1.5 bar). If low, repressurize the system as instructed by your installer.
- Turn on the boiler using the main power switch or button on the control panel.
- The boiler will perform a self-check and may initiate a purge cycle.
5.3 Setting Heating Temperature
Use the heating temperature adjustment controls on the boiler's control panel or the wired thermostat (CFF000028) to set your desired room temperature or heating circuit temperature. The boiler will modulate its output to maintain this setting.
5.4 Setting Domestic Hot Water Temperature
Adjust the domestic hot water temperature using the dedicated controls on the boiler's panel. The micro-accumulation system ensures rapid delivery of hot water at the set temperature.
5.5 Using the Wired Thermostat (CFF000028)
The included wired thermostat allows for remote control of your heating system. Refer to the separate manual provided with the thermostat for detailed programming and operation instructions. Ensure the boiler is set to accept external control from the thermostat.
6. Maintenance
Regular maintenance is crucial for the longevity, efficiency, and safe operation of your boiler. Only qualified technicians should perform internal maintenance.
6.1 User Checks (Monthly)
- Visual Inspection: Check for any visible leaks, unusual noises, or odors.
- Pressure Gauge: Monitor the system pressure. If it consistently drops, contact a technician.
- Flue Terminal: Ensure the flue terminal outside is clear of obstructions.
6.2 Annual Professional Servicing
It is mandatory to have your boiler serviced annually by a qualified and authorized technician. This service typically includes:
- Cleaning of the heat exchanger and burner.
- Checking and adjusting gas pressure.
- Inspection of safety devices.
- Checking the expansion vessel and system pressure.
- Inspection of the integrated heating filter.
- Flue gas analysis to ensure efficient and safe combustion.
7. Troubleshooting
Before calling for service, check the following common issues:
| Problem | Possible Cause | Solution |
|---|---|---|
| No heating or hot water | No power supply, gas supply off, low system pressure, thermostat setting too low, boiler in lockout. | Check power and gas supply. Check system pressure and repressurize if necessary. Adjust thermostat. Reset boiler (refer to boiler display for error codes). |
| Boiler making unusual noises | Air in the system, pump issue, limescale buildup. | Bleed radiators. If noise persists, contact a qualified technician. |
| Low system pressure | Leak in the system, expansion vessel fault. | Repressurize the system. If pressure drops again quickly, contact a qualified technician to check for leaks or expansion vessel issues. |
| Boiler displaying an error code | Specific fault detected by the boiler's internal diagnostics. | Note the error code and consult the boiler's technical manual (provided to the installer) or contact a qualified technician, providing the error code. |
If you are unable to resolve the issue, contact a qualified Chappee service technician.
8. Specifications
| Feature | Specification |
|---|---|
| Model | Initia + Compact 2.25 HTE |
| Type | Gas Condensing Boiler (Heating + DHW) |
| Nominal Power (80/60°C) | 16 kW |
| Maximum Power | 25 kW (as per product title) |
| Energy Class (Heating & DHW) | A |
| Dimensions (H x L x P) | 700 x 400 x 299 mm |
| Weight | 38.5 kg |
| Fuel Type | Natural Gas (convertible to LPG) |
| DHW Flow Rate (EN 13203, T=30 K) | 12.1 liters/minute |
| Expansion Vessel Capacity | 8 liters |
| Max Heating Temperature | 80°C |
| Max Heating Pressure | 3 bar |
| Heat Exchanger Material | Stainless Steel (316 L) |
9. Warranty and Support
9.1 Manufacturer's Warranty
This Chappee boiler comes with a 2-year manufacturer's warranty. To ensure the validity of this warranty, the commissioning (initial start-up and checks) of the appliance must be carried out by an authorized technical service station approved by the Chappee brand.
9.2 Technical Support
For technical assistance, spare parts, or warranty claims, please contact your installer or an authorized Chappee service partner. Ensure you have your boiler's model and serial number readily available.
Information regarding spare parts availability may be obtained from your authorized service provider.
