Vaillant Ecofit Pure 435 Boiler Instruction Manual
Vaillant Ecofit Pure 435 Boiler
Vaillant Ecofit Pure 435 Boiler Instructions
Here we offer the Vaillant Ecofit Pure 435 Boiler manual completely free and in English. We have cataloged this manual in the Boilers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Vaillant Ecofit Pure 435 Boiler, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.
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Vaillant Ecofit Pure 435 Boiler Specifications
| Category | Specification | Value (Vaillant Ecofit Pure 435) |
|---|---|---|
| Heating Data | Max. Flow Temperature Adjustment Range | 10 – 80 ℃ (Default: 75 ℃) |
| Maximum Permissible Pressure | 0.3 MPa (3.0 bar) | |
| Nominal Water Flow (ΔT = 20 K) | 1,535 l/h | |
| Nominal Water Flow (ΔT = 30 K) | 1,023 l/h | |
| Approx. Condensate Volume (50/30 °C) | 3.65 l/h (pH 3.5-4.0) | |
| Performance (G20 Natural Gas) | Maximum Heat Output | 35 kW |
| Effective Output Range (40/30 °C) | 7.6 – 37.8 kW | |
| Effective Output Range (50/30 °C) | 7.0 – 35.8 kW | |
| Effective Output Range (80/60 °C) | 7.2 – 34.8 kW | |
| Domestic Hot Water Heat Output (P) | 7.1 – 35.0 kW | |
| Maximum Heat Input – Heating (Q max.) | 35.7 kW | |
| Minimum Heat Input – Heating (Q min.) | 7.2 kW | |
| Maximum Heat Input – Hot Water (Q max.) | 35.7 kW | |
| Minimum Heat Input – Hot Water (Q min.) | 7.2 kW | |
| General Data | Gas Category | I2H |
| Gas Pipe Diameter | 1/2 inch | |
| Heating Connections Diameter | 3/4 inch | |
| Condensate Drain Pipework (min.) | 21.5 mm | |
| G20 Gas Supply Pressure | 2.0 kPa (20.0 mbar) | |
| NOx Class | 6 | |
| Product Dimensions (Width x Depth x Height) | 375 mm x 295 mm x 602 mm | |
| Net Weight | 23 kg | |
| Weight when filled with water | 28 kg | |
| Nominal Efficiency (80/60 °C) | 97.5 % | |
| Nominal Efficiency (50/30 °C) | 100.2 % | |
| Nominal Efficiency (40/30 °C) | 106.0 % | |
| Electrical Data | Electric Connection | 230 V / 50 Hz |
| Built-in Fuse (slow-blow) | T2/2A, 250V | |
| Max. Electrical Power Consumption | 50 W | |
| Standby Electrical Power Consumption | 2 W |
Vaillant Ecofit Pure 435 Boiler Details
The Vaillant Ecofit Pure 435 boiler is distinguished by its high efficiency and intelligent design. As a licensed member of the Benchmark Scheme, it guarantees adherence to rigorous industry standards for installation, commissioning, and servicing, ensuring optimal performance and compliance with Building Regulations. Its advanced engineering results in very low heat loss from the appliance casing during operation, a key factor in its overall energy efficiency.
This low heat loss means that compartment ventilation is not required, simplifying installation and offering greater flexibility in placement. Safety is a core consideration, with the manual providing comprehensive action-related warnings covering handling, gas and flue gas leaks, and electrical hazards. It also alerts installers and users to risks from explosive materials, corrosion from unsuitable air, and frost damage, ensuring a secure operational environment.
For qualified installers, the Ecofit Pure 435 offers an accessible installer level. This advanced interface provides deep insights into the boiler's operation, allowing for monitoring of live status codes and execution of various check programmes. These include purging the heating and hot water circuits, operating at maximum or minimum load, and engaging a filling mode. These tools facilitate precise system tuning and efficient commissioning.
Long-term reliability is supported by detailed inspection and maintenance guidelines. The manual emphasizes using original seals for component replacement. Key maintenance tasks include checking and adjusting CO₂ content, thoroughly cleaning the heat exchanger, inspecting the burner and ignition electrode, and cleaning the condensate trap. Adhering to these minimum intervals, which can be as frequent as annually or at least every five years, is crucial for sustained performance.
The boiler intelligently adapts to heating demands with features like adjustable burner anti-cycling time. This mechanism minimizes frequent burner on-off cycles, reducing energy losses and enhancing system longevity. Troubleshooting is streamlined via a fault memory that stores the last 10 fault messages (F.xx codes), aiding quick diagnosis. Installers can also easily reset parameters to factory settings when necessary.
The efficient operation of the Ecofit Pure 435 produces condensate, and its management is well-documented. The instructions specify suitable materials for drain pipework, emphasizing a continuous fall and frost protection measures. Furthermore, Vaillant encourages responsible practices, providing guidance on the correct recycling and disposal of the product and its packaging at the end of its lifecycle, aligning with environmental standards.
Frequently Asked Questions (FAQs)
Can't find the answer you need? Here are some frequently asked questions about the Vaillant Ecofit Pure 435 Boiler, and we answer them below.
