Vaillant Ecofit Pure 630 Boiler Instruction Manual

Manual Vaillant Ecofit Pure 630 Boiler Instruction Manual

Vaillant Ecofit Pure 630 Boiler Instruction Manual

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Vaillant Ecofit Pure 630 Boiler

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Vaillant Ecofit Pure 630 Boiler Instructions

Here we offer the Vaillant Ecofit Pure 630 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 630 Boiler, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Vaillant Ecofit Pure 630 Boiler Specifications

Specification Category Parameter Value
General Data Product Model (VU) 306/6-3 (H-GB)
Gas Category I2H
Diameter of Gas Pipe 1/2 inch
Diameter of Heating Connections 3/4 inch
Expansion Relief Valve Connection Pipe (min.) 15 mm
Condensate Discharge Pipe (min.) 21.5 mm
G20 Gas Supply Pressure 2.0 kPa (20.0 mbar)
Gas Flow at P max. – Hot Water (G20) 3.8 m³/h
Gas Flow at P max. – Heating Mode (G20) 3.2 m³/h
Gas Flow at P min. (G20) 0.762 m³/h
CE Number (PIN) CE-0063CP3646
SAP 2009/2012 Annual Efficiency 89.8 %
Released System Types C13, C33, C43, C53
Nominal Efficiency at 80/60 °C 99.2 %
Nominal Efficiency at 50/30 °C 104.0 %
Nominal Efficiency at 40/30 °C 106.0 %
Nominal Efficiency in Partial Load Operation (30%) at 40/30 °C 109.8 %
NOx Class 6
Product Dimensions (Width) 390 mm
Product Dimensions (Depth) 295 mm
Product Dimensions (Height) 702 mm
Net Weight / Weight when filled 32 kg / 36 kg
Power & Loading (G20) Maximum Heat Output 30 kW
Effective Output Range (P) at 40/30 °C 7.6 to 32.4 kW
Effective Output Range (P) at 50/30 °C 7.5 to 31.8 kW
Effective Output Range (P) at 80/60 °C 7.1 to 30.2 kW
Domestic Hot Water Heat Output (P) 7.1 to 35.0 kW
Maximum Heat Input – Heating (Q max.) 30.6 kW
Minimum Heat Input – Heating (Q min.) 7.2 kW
Maximum Heat Input – Hot Water (Q max.) 35.7 kW
Heating Performance Max. Flow Temperature Adjustment Range (default: 75 °C) 10 to 80 ℃
Maximum Permissible Pressure 0.25 MPa (2.50 bar)
Nominal Water Flow (ΔT = 20 K) 1,102 l/h
Nominal Water Flow (ΔT = 30 K) 876 l/h
Approximate Condensate Volume (pH 3.5-4.0 at 50/30 °C) 3.06 l/h
ΔP Heating at Nominal Flow (ΔT = 20 K) 0.025 MPa (0.250 bar)
Electrical Data Electrical Connection 230 V / 50 Hz
Built-in Fuse (slow-blow) T2/2A, 250V
Max. Electrical Power Consumption 104 W
Standby Electrical Power Consumption 2 W
IP Rating IPX4D

Vaillant Ecofit Pure 630 Boiler Details

The Vaillant Ecofit Pure 630 is a highly efficient heat generator designed for closed heating and domestic hot water systems. It is intended for fixed installations within mobile homes in Great Britain and Ireland, using specific gas types. Crucially, all installation, maintenance, and repair must be undertaken by professionally trained and competent persons to uphold safety and regulatory compliance, ensuring the product's integrity and long-term performance.

Safety is central to the Ecofit Pure 630's operation. In cases of a gas leak, users must immediately vacate, avoid ignition sources, and contact emergency services. Flue gas hazards are prevented by ensuring the air/flue pipe is fully installed and the condensate trap is always filled. Electrical work requires complete power disconnection and verification, as terminals can remain live even when the unit is switched off, underscoring the need for extreme caution.

With compact dimensions (390 mm W x 295 mm D x 702 mm H), the Ecofit Pure 630 offers installation flexibility, suitable even in spaces like bathrooms (zones 2 or 3) or timber frame buildings, provided specific guidelines are met. Minimum clearances—such as 5 mm to the sides and 150 mm top/bottom—are stipulated for safe operation and essential access during maintenance. Its high efficiency means no additional compartment ventilation is required, relying solely on certified concentric flue systems.

The boiler incorporates robust safety features. An overheating safety mechanism triggers a shutdown before critical temperatures are reached, resettable via the interface. A built-in frost protection device activates the pump below 12°C and the burner below 10°C (or 5°C) to prevent freezing, contingent on active gas and electric supplies. Additionally, the boiler automatically shuts down if the condensate drain blocks, a crucial safeguard against potential ice formation in external pipework.

Operational insights are available through the Live Monitor, displaying real-time status codes, while specific check programs (P.00-P.06) assist installers with tasks like system purging and load testing. For optimal longevity, heating water quality is paramount. The manual stresses maintaining a pH between 6.5 and 8.5 to prevent aluminum corrosion and recommends regular checks for sediment. Approved additives, including inhibitors and antifreeze, should be used meticulously following manufacturer guidelines.

Initial commissioning requires a competent person to complete and sign the Benchmark checklist, validating the warranty. Post-installation, a comprehensive handover to the end-user is mandatory, covering safety device locations, correct product operation, necessary maintenance intervals, and relevant Gas Safety Regulations. Annual servicing, documented on the Benchmark Service Record, is crucial to maintain warranty validity and ensure continuous, safe performance.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Vaillant Ecofit Pure 630 Boiler, and we answer them below.


Who is qualified to install and maintain the Vaillant Ecofit Pure 630 Boiler?
Only *professionally trained and competent persons* with the necessary knowledge and skills are authorized to carry out set-up, installation, maintenance, repair, and decommissioning.

What should I do if I smell gas near my boiler?
Immediately avoid the area, open windows, *do not use any flames or electrical switches*, close the emergency control valve, warn others, and evacuate the building. Call the gas supply company or Emergency Service Provider from outside.

How does the boiler protect against freezing?
The boiler has a *built-in frost protection device*. With gas and electricity on, it activates the pump if boiler water falls below 12°C and the burner if it drops to 10°C (or 5°C) to prevent freezing.

What happens if the condensate drain becomes blocked?
The boiler will *stop working* as a safety feature. This can happen due to ice in external pipes. Clearing the blockage (e.g., with warm cloths) and pressing the reset button should restart the boiler.

What are the key dimensions of the Vaillant Ecofit Pure 630?
The boiler measures 390 mm (width), 295 mm (depth), and 702 mm (height), allowing for flexible installation in various spaces.

Is compartment ventilation required for this boiler?
No, due to its *very high efficiency* and low heat loss from the appliance casing, compartment ventilation is not required. It must be fitted with a concentric flue system.

What is the recommended pH value for heating water to prevent corrosion?
The pH value of the heating water should be maintained between *6.5 and a maximum of 8.5* to prevent aluminum corrosion and material damage to the product.

How often should the boiler be inspected and maintained?
The boiler must be serviced *at least annually* by a competent Gas Safe registered engineer, as recommended by the manufacturer and the Benchmark Scheme, to maintain warranty validity.

How do I check the CO₂ content during maintenance?
The CO₂ content is checked at the flue gas analysis point while the product operates at maximum load (P.01 check program). It should be *9.2 ±1.0 vol. %* with the front casing fitted.

Can I reset the boiler parameters to factory settings?
Yes, parameters can be reset to factory settings by navigating to diagnostics code **D.096** in the installer level, setting it to '1', and confirming. This should only be done by competent persons.

What are status codes and what do they indicate?
Status codes (e.g., S.04 for "Burner on") provide *real-time information* on the product's current operating status. They can be viewed in the "Live Monitor" section of the installer level.

What should be done during the initial start-up?
Initial start-up *must be carried out by a customer service technician or authorized competent person* using the Benchmark checklist, which must be fully completed, signed, and retained with the product documentation.

What kind of flue systems are released for this boiler?
The Vaillant Ecofit Pure 630 supports *C13, C33, C43, and C53* system types, allowing for horizontal or vertical concentric flue configurations.

How is the domestic hot water temperature set?
The domestic hot water temperature can be set, but it's important to *observe regulations regarding legionella prevention* (temperatures below 60°C can promote legionella growth). If water hardness is high (> 3.57 mol/m³), keep temperature ≤ 50°C.

What is the purpose of the burner anti-cycling time?
The burner anti-cycling time is a configurable electronic restart lockout designed to *prevent frequent switching on and off of the burner*, thereby reducing energy losses and improving efficiency in heating mode.

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