Vaillant EcoTEC Plus 630 Boiler Instruction Manual
Vaillant EcoTEC Plus 630 Boiler
Vaillant EcoTEC Plus 630 Boiler
Vaillant EcoTEC Plus 630 Instructions
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Vaillant EcoTEC Plus 630 Boiler Specifications
| Feature | Specification |
|---|---|
| General Data | |
| Designated Country | GB, IE |
| Permitted Gas Boiler Category | II2H3P |
| CE PIN | 0063CU3910 |
| UKCA PIN | 0063CU3910 |
| Gas Connection, Boiler Side | 15 mm |
| Flow/Return Heating Connections, Boiler Side | G 3/4 ″ |
| Flow/Return Cylinder Connections, Boiler Side | – |
| Domestic Hot/Cold Water Connections, Boiler Side | – |
| Expansion Relief Valve Connection | 15 mm |
| Condensate Discharge Hose Connection | 19 mm |
| Air/Flue Pipe Connection | 60/100 mm |
| Capacity of the Heating Expansion Vessel | 10 l |
| Pre-Charge Pressure of the Heating Expansion Vessel | 70 kPa (700 mbar) |
| Min. Flue Gas Temperature | 35 ℃ |
| Max. Flue Gas Temperature | 85 ℃ |
| Approved Gas Boiler Types | C13, C33, C43, C53 |
| NOx Class | 6 |
| SAP 2009/2012 Annual Efficiency (%) | – |
| Weight with Packaging (incl. accessories) | 39 kg |
| Empty Weight of the Product | 35 kg |
| Weight Ready for Operation (filled) | 41 kg |
| G20 Natural Gas Output/Heat Input | |
| Gas Connection Pressure, G20 Natural Gas | 2.0 kPa (20.0 mbar) |
| NOx Emission, Weighted, G20 (EN 15502-2-1) | 27.80 mg/kWh |
| 30% Efficiency, G20 | 109.1 % |
| Max. Gas Volume Flow (DHW generation), G20 | 3.76 m³/h |
| Nominal Heat Output Range at 40/30 °C | 4.3 to 32.9 kW |
| Nominal Heat Output Range at 50/30 °C | 4.2 to 32.2 kW |
| Nominal Heat Output Range at 60/40 °C | 4.0 to 31.1 kW |
| Nominal Heat Output Range at 80/60 °C | 3.7 to 29.9 kW |
| Nominal Heat Input Range for Heating (Hi) | 4.2 to 30.6 kW |
| Nominal Heat Input Range for Heating (Hs) | 4.7 to 34.0 kW |
| Max. Heat Output for Domestic Hot Water | 39.4 kW |
| Nominal Heat Input for Domestic Hot Water (Hi) | 35.5 kW |
| Nominal Heat Input for Domestic Hot Water (Hs) | 39.4 kW |
| Heating Adjustment Range | 4.2 to 30.6 kW |
| G31 Liquefied Petroleum Gas Output/Heat Input | |
| Gas Connection Pressure, G31 LPG | 3.7 kPa (37.0 mbar) |
| NOx Emission, Weighted, G31 (EN 15502-2-1) | 25.33 mg/kWh |
| Max. Gas Mass Flow (DHW generation), G31 | 2.8 kg/h |
| Nominal Heat Output Range at 40/30 °C | 8.6 to 31.8 kW |
| Nominal Heat Output Range at 50/30 °C | 8.2 to 31.3 kW |
| Nominal Heat Output Range at 60/40 °C | 8.0 to 30.3 kW |
| Nominal Heat Output Range at 80/60 °C | 8.0 to 29.5 kW |
| Nominal Heat Input Range for Heating (Hi) | 8.2 to 30.6 kW |
| Nominal Heat Input Range for Heating (Hs) | 8.9 to 33.4 kW |
| Max. Heat Output for Domestic Hot Water | 38.7 kW |
| Nominal Heat Input for Domestic Hot Water (Hi) | 35.5 kW |
| Nominal Heat Input for Domestic Hot Water (Hs) | 38.7 kW |
| Heating Adjustment Range | 8.2 to 30.6 kW |
| Heating System Data | |
| Max. Flow Temperature | 85 ℃ |
| Flow Temperature Adjustment Range (factory setting: 75 °C) | 30 to 80 ℃ |
| Permissible Operating Pressure, Heating | 0.25 MPa (2.50 bar) |
| Nominal Circulation Water Volume (ΔT = 20 K, 80/60 °C) | 1,318 l/h |
| Approx. Condensate Rate (pH 3.5 to 4.0, 50/30 °C heating mode) | 3.1 l/h |
| Remaining Pump Head at Nominal Circulation Water Volume | 0.025 MPa (0.250 bar) |
| Domestic Hot Water Data (Requires External Cylinder) | |
| Start-up Flow Rate | N/A |
| Specific Flow Rate D (ΔT = 30 K, EN 13203-1) | N/A |
| Flow Rate (ΔT = 35 K) | N/A |
| Permissible Operating Pressure (PMW) | N/A |
| Required Connection Pressure | N/A |
| DHW Temperature Adjustment Range | N/A |
| Flow Rate Limiter | N/A |
| Classification (EN 13203-1) | N/A |
| Electrical Data | |
| Rated Voltage | 230 V~ |
| Mains Frequency | 50 Hz |
| Permissible Connected Voltage | 190 to 253 V~ |
| Built-in Fuse (slow-blow) | 4 A |
| Max. Power Consumption in Heating Mode | 95.4 W |
| Max. Power Consumption in Domestic Hot Water Mode | 108 W |
| Electrical Standby Energy Consumption | < 2 W |
| IP Rating | IPX5D |
Vaillant EcoTEC Plus 630 Boiler Details
The Vaillant EcoTEC Plus 630 Boiler is a highly efficient heat generator, part of Vaillant's renowned ecoTEC range. Designed for sealed central heating installations, this system boiler effectively provides warmth for various property sizes. It's built for compatibility with an external hot water cylinder, ensuring a reliable supply of domestic hot water throughout the home. Specifically intended for the Great Britain and Ireland markets, the 630 model adheres to all local gas type regulations, offering flexible fuel options including natural gas (G20) and liquefied petroleum gas (G31). To ensure optimal performance and safety, users must diligently follow the comprehensive operating instructions and adhere to all recommended inspection and maintenance schedules.
The boiler features a user-friendly interface with an intuitive display and control elements. Users can easily activate/deactivate standby mode, set desired flow and domestic hot water temperatures (for cylinder charging), and access status codes. A handy button lock prevents accidental changes, enhancing safety and peace of mind. The display uses clear symbols to indicate burner modulation, system pressure, heating/DHW modes, and maintenance alerts, providing at-a-glance information about the boiler's operational status.
When integrated with a Vaillant sensoROOM pure (VRT 50/2) room temperature control, the EcoTEC Plus 630 offers enhanced scheduling capabilities. Users can configure daily heating schedules through a weekly planner or time programme assistant, optimizing energy use and comfort. This intelligent control system allows precise management of heating times and temperatures, adapting to household routines. Even with a room control, critical safety features like frost protection remain active, safeguarding the system from freezing temperatures.
Safety is paramount, with the EcoTEC Plus 630 incorporating multiple protective measures. It complies with both CE and UKCA markings, ensuring adherence to European and UK regulatory standards. The boiler’s design includes safeguards against gas leaks, flue gas escape, and electrical hazards. Crucially, the system features an automatic frost protection mechanism and will shut down if the condensate drain becomes blocked, preventing damage and ensuring continuous operation. Regular annual inspections by a competent person are vital for maintaining long-term safety and performance.
The EcoTEC Plus 630 is engineered for easy care and maintenance, minimizing effort for homeowners while ensuring longevity. The user manual provides clear instructions for routine tasks like cleaning the casing and monitoring system pressure. Proactive maintenance alerts on the display notify users when service is due, facilitating timely professional checks. Internally, the boiler boasts advanced intelligent combustion regulation through Sitherm Pro™ technology, which automatically optimizes the gas-air ratio for peak performance. This sophisticated design, coupled with continuous energy data recording for heating and DHW, allows for transparent monitoring of the boiler's impressive efficiency and contributes to lower running costs.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Vaillant EcoTEC Plus 630 Boiler, and we answer them below.










