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General| Output Rating | 24 kW |
|---|---|
| Efficiency | 90% |
| Fuel Type | Natural Gas |
| Mounting | Wall-mounted |
| Central Heating Output | 24 kW |
| Central Heating Flow Temperature Range | 30 - 80 °C |
| Max. Working Pressure | 3 bar |
| Type | Condensing |
Introduction to boiler instructions, warranty, and servicing guidelines.
Description of the Ultracom hxi boiler and its features, including condensing technology.
Instructions for storing the manual and explanation of symbols used within the document.
Essential safety information, including procedures for gas leaks and general safety recommendations.
Details on the product guarantee and the responsibilities of the user and manufacturer.
Guidelines for the environmentally responsible disposal and recycling of the appliance and packaging.
Required minimum clearances around the appliance for safe installation and operation.
Introduction to the user control panel, display, and symbols for boiler operation.
Step-by-step instructions for turning the boiler on and off, including essential checks.
Detailed guide on adjusting central heating temperature using the control panel buttons.
Procedure for setting the internal 24-hour clock on the appliance's control panel.
Instructions for programming central heating and domestic hot water times and intervals.
Function to temporarily advance or delay the programmed ON/OFF times for central heating.
Function to temporarily advance or delay the programmed ON/OFF times for domestic hot water.
Guidance on identifying and resolving common issues, including electrical interruptions.
Troubleshooting steps for when the boiler fails to ignite, including error codes F1 and F5.
Explanation of safety features like boiler shutdown, frost protection, and condensate drain.
Information on what to do if the condensate drain becomes blocked, particularly in freezing conditions.
Procedure to follow if the safety discharge valve is found to be leaking.
Instructions for safely cleaning the appliance casing, avoiding abrasive or solvent cleaners.
Importance of annual servicing by a competent person for safety, efficiency, and longevity.
Requirements for draining, refilling, and pressurising sealed water systems by a competent person.
Guidance on using only genuine manufacturer spare parts for safe and prolonged product life.
Advice on reducing energy consumption through thermostat settings and programmer use.
Contact details for customer service and technical support for the appliance.
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