AS 2500-IN E - Solar panel Baxi - Free user manual and instructions
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| Type of product | Flat-plate solar collector for domestic hot water |
| Brand | Baxi |
| Model | AS 2500-IN E |
| Dimensions (H × W × D) | 2500 × 1200 × 90 mm |
| Weight | 45 kg |
| Absorber type | Copper sheet with selective coating |
| Absorber area | 2.35 m² |
| Glazing | 4 mm tempered solar safety glass |
| Frame | Aluminium, all-round |
| Insulation | Rock wool, 40 mm |
| Max operating pressure | 10 bar |
| Max stagnation temperature | 200°C |
| Connection ports | 6 with flat connector |
| Flow rate | 1.2 l/min recommended |
| Fluid content | 1.6 l |
| Orientation | South-facing, tiltable between 20° and 60° |
| Energy source | Solar radiation |
| Power supply | No external electrical supply needed |
| Maintenance | Clean glass with soft cloth and mild soap; inspect seals yearly |
| Safety | Use in closed system with safety valve; avoid stagnating heat |
| Spare parts | Absorber, glazing, seals, connectors, insulation available |
| Repairability | Modular design for easy replacement of parts |
| Certifications | Solar Keymark, CE |
Frequently Asked Questions - AS 2500-IN E Baxi
What is the Baxi AS 2500-IN E solar panel used for?
The Baxi AS 2500-IN E is a flat-plate solar collector designed for heating domestic water and supporting central heating systems. It converts solar radiation into thermal energy to pre-heat water in your household, reducing energy bills.
Can the AS 2500-IN E be installed horizontally?
While the collector is designed for angled installation, horizontal mounting is possible but reduces efficiency. For optimal performance, install it at a tilt angle of 30-45° towards the south.
Which heat transfer fluid should I use?
Use a water-glycol mixture (typically 60-70% water, 30-40% propylene glycol) with corrosion inhibitors. This provides anti-freeze protection and prevents limescale deposits. Do not use pure water.
Is the collector protected against frost?
Yes, the collector itself can withstand freezing temperatures due to its glazed design, but the heat transfer fluid must have sufficient antifreeze concentration. The system should also include a drain-back tank or winter mode to prevent stagnation freezing.
How do I know the system is working efficiently?
You can monitor the temperature difference between the collector and the storage tank. A functioning system typically shows a higher collector temperature during sunny hours. The differential controller turns the pump on when ΔT exceeds 6°C.
What is the expected lifespan of the collector?
A well-maintained Baxi AS 2500-IN E can last over 20 years. The aluminium frame and tempered glass are durable, and the selective coating resists aging. Replace seals and gaskets every 5 years to preserve performance.
Can I install the collector myself?
It is recommended to use certified professionals due to high temperatures, roof work, and plumbing connections. Incorrect installation may void the warranty and cause safety hazards.
How often should I service the AS 2500-IN E?
Schedule a professional inspection annually. Clean the glass a few times a year, check pressure, inspect seals for cracks, and verify the heat transfer fluid level and concentration.
What precautions should I take in summer when water is not used?
To prevent heat build-up, activate the stagnation mode (if available) or cover the collector. Otherwise, ensure the safety valve releases steam and fluid to protect the system.
Are there specific requirements for installation orientation?
The performance is maximized with a south-facing oriented collector (northern hemisphere). Azimuth deviation up to 45° is acceptable. Tilt angle should be between 20° and 60°, ideally equal to your latitude.
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USER MANUAL AS 2500-IN E Baxi
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Product information
Brand : Baxi
Model : AS 2500-IN E
Category : Solar panel