AS 90-1 E - Water heaters and boilers Baxi - Free user manual and instructions
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| Product Type | Gas Boiler / Water Heater |
| Brand | Baxi |
| Model | AS 90-1 E |
| Energy Source | Natural Gas (G20) |
| Nominal Output | 90 kW |
| Output Range | 30 - 90 kW |
| Efficiency | Approx. 90% |
| Water Supply | Central Heating and Domestic Hot Water |
| Power Supply | 230V ~ 50Hz |
| Ignition | Electronic Ignition |
| Dimensions (H x W x D) | 850 x 600 x 480 mm |
| Weight | 65 kg |
| Flue Type | Room-sealed / Balanced Flue |
| Control System | Thermostat, Overheat Thermostat |
| Safety Devices | Flame Failure, Overheat Protection, Pressure Relief Valve |
| Installation | Wall-Mounted |
| Maintenance | Annual Service by Qualified Engineer |
| Cleaning | Wipe External Surfaces with Damp Cloth |
| Replacement Parts | Available from Baxi Distributors |
| Additional Features | Modulating Burner, Low NOx Emissions |
Frequently Asked Questions - AS 90-1 E Baxi
What is the Baxi AS 90-1 E boiler used for?
The Baxi AS 90-1 E provides central heating and domestic hot water for medium to large properties.
What gas type does the AS 90-1 E use?
It uses Natural Gas (G20). It can be converted to LPG with a conversion kit.
How often should I service my Baxi boiler?
You should have it serviced annually by a Gas Safe registered engineer to maintain safety and efficiency.
What should I do if the boiler loses pressure?
Check the pressure gauge; if it drops below 1 bar, use the filling loop to repressurize to 1.5 bar.
How do I reset the boiler after a fault?
Press the reset button on the control panel after identifying and fixing the issue. Wait a few minutes before restarting.
What is the ideal radiator temperature setting?
Set the thermostat to around 75°C for efficient heating. For underfloor heating, use a mixing valve to lower the temperature.
Can the AS 90-1 E be used with underfloor heating?
Yes, it can be used with underfloor heating if a mixing valve is installed to reduce the water temperature to a suitable level.
What are common error codes on this boiler?
Error codes are displayed on the control panel. Common ones include ignition faults, sensor issues, and pressure problems. Refer to the manual for specific codes and troubleshooting steps.
How do I bleed the radiators?
Use a radiator key to open the bleed valve at the top of the radiator. Close it when water starts to flow out. This removes trapped air.
Is the AS 90-1 E energy efficient?
Yes, it has an efficiency rating of about 90%, making it a cost-effective and environmentally friendly option for home heating.
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USER MANUAL AS 90-1 E Baxi
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Product information
Brand : Baxi
Model : AS 90-1 E
Category : Water heaters and boilers