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General| Boiler Type | Combi |
|---|---|
| Fuel Type | Natural Gas |
| Central Heating Output | 30 kW |
| ErP Efficiency Rating | A |
| Mounting | Wall-mounted |
| CH Output | 30 kW |
| DHW Output | 30 kW |
| Standard Warranty | 5 Years |
| Dimensions | 740x418x300mm |
Details technical data for ULTIMATE 30c and 35c models, including heating, DHW, combustion, and electrical specs.
Details scope of delivery, recommendations before installation, dimensions, and mounting instructions.
Covers gas and water connections, safety discharge valve, and condensate trap connection.
Explains regulations and flue configuration for safe evacuation of combustion gases.
Guides on accessing the main board, electrical wiring, external accessories, and testing connections.
Provides detailed steps for fixing the boiler to the wall, including flue hole cutting and bracket installation.
Covers connecting the gas and water supply lines, including safety checks and isolation.
Explains horizontal and vertical flue configurations, including length limitations and bend allowances.
Highlights safety precautions for electrical connections, emphasizing qualified installers and earthing.
Guides on how to access the main control board for electrical connections and maintenance.
Covers wiring requirements, isolator use, cable types, and fused plug/socket alternatives.
Outlines preliminary electrical checks including earth continuity, short circuit, and polarity.
Provides a detailed wiring diagram showing all electrical connections for the boiler and its components.
Details the overall commissioning process, emphasizing competent person installation and Benchmark Checklist.
Explains how to read the filling pressure using the analogue gauge and the correct operating range.
Guides on the initial steps for switching on the boiler, including safety checks and system flushing.
Explains how to check gas rates and inlet pressure for both Natural Gas (G20) and LPG (G31).
Details how to access and modify installation settings, including maximum power and heating curves.
Provides a systematic approach to diagnosing and resolving appliance faults.
Lists initial checks for power supply, gas supply, isolation valves, pressure, and external controls.
Lists common fault codes, their causes, and recommended solutions for qualified engineers.
Details the process for converting the appliance to a different gas type and checking combustion.
Recommends regular servicing for efficient and safe operation, emphasizing competent personnel.
Lists checks to be performed during annual maintenance, including component verification and other checks.
Details how to perform combustion checks and set the air/gas ratio valve using a CO₂ analyser.
Emphasizes using genuine Glow-worm parts and the need for qualified personnel for replacements.
Guides on removing and replacing the heat exchanger, emphasizing careful handling due to water content.
Guides on removing and fitting a new gas valve, including post-replacement checks.
Guides on replacing the main PCB, including disconnecting connections and removing the rear panel.
A checklist for competent persons to ensure compliance with regulations and manufacturer instructions.
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