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General| Type | Condensing |
|---|---|
| Output | 15 kW |
| Fuel Type | Natural Gas |
| Mounting | Wall-mounted |
| Central Heating Flow Temperature Range | 30 - 80°C |
| Efficiency Rating | A |
| ERP Rating | A |
| Fuel | Natural Gas |
| Water Pressure | 1.0-3.0 bar |
| Max Gas Rate (LPG) | Not applicable |
Provides a welcome and general guidance for the user.
Explains the contents of the guarantee pack and registration process.
Details the importance and frequency of regular servicing for optimal performance.
Information about the Benchmark Scheme for installation and servicing standards.
A guide for quick start-up and basic operation of the appliance.
Describes the Ultracom hxi boilers and their condensing technology for efficiency.
Lists compatible accessories like programmable room thermostats and eBus controls.
Advice on storing the manual for future reference and handover to new owners.
Explains important safety symbols used throughout the manual for user understanding.
Provides immediate steps to take if a gas leak is detected for user safety.
Lists essential safety precautions for operating and maintaining the appliance correctly.
Covers safety regulations, gas safety law, electrical connection, and CE marking compliance.
Explains the terms and conditions of the comprehensive guarantee offered for the product.
Outlines conditions for guarantee applicability and manufacturer's liability limitations.
Details how the appliance should be recycled according to current WEEE regulations.
Instructions for the installer on sorting and disposing of packaging waste responsibly.
Describes the user control panel, buttons, and display symbols for appliance operation.
Provides step-by-step instructions for powering the appliance on and off safely.
Explains how to adjust the central heating temperature settings via the control panel.
Step-by-step guide to setting the internal 24-hour clock for time-based control.
Details how to set central heating and hot water timers using the onboard programmer.
Explains how to temporarily advance or bypass programmed heating ON/OFF times.
Explains how to temporarily advance or bypass programmed hot water ON/OFF times.
Troubleshooting steps for when the boiler does not work due to electrical issues.
Identifies fault codes (F1, F5) for ignition failures and overheat issues.
Explains the overheat lockout and shutdown safety mechanism for protection.
Details the built-in frost protection device for the boiler to prevent freezing.
Explains how to resolve issues caused by a blocked condensate drain, especially in freezing conditions.
Describes what to do if there is a discharge from the safety valve for troubleshooting.
Instructions for safely cleaning the appliance casing using mild detergent.
Emphasizes the importance of annual servicing by a competent person for safety and efficiency.
Information on draining, refilling, and pressurising sealed water systems by a competent person.
Advice on using genuine spare parts and contacting Glow-worm for replacements.
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