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General| Type | Combi |
|---|---|
| Output | 30 kW |
| Fuel Type | Natural Gas |
| Mounting | Wall-mounted |
| ERP Rating | A |
| Max Working Pressure | 3 bar |
| Central Heating Flow Temperature Range | 30-80°C |
| Gas Type | Natural Gas |
| Flow Rate | 12.3 l/min |
Covers gas safety, electrical, and manual handling regulations.
Details on boiler function, heating, and hot water capabilities.
Steps for filling the heating system for 30ci and 30si models.
Information on built-in safety mechanisms like frost protection.
Guidance on cleaning the boiler and recommended servicing intervals.
Recommendations for regular checks and professional servicing.
Explanation of the boiler's controls, indicators, and pressure gauge.
Steps for lighting, stopping, and adjusting boiler settings.
Setting time and ON/OFF times for the analogue programmer.
Instructions for setting time and programs on the digital programmer.
How to set the current time, day, and program ON/OFF events.
Using manual override and managing programmed events.
Common problems and solutions related to the programmer.
Key performance data for heating and hot water output.
Information on statutory requirements and BSI certification.
Guidelines for system components, pipe sizing, and flow rates.
Steps for filling the system and adjusting the bypass valve.
Guidelines for domestic hot water circuits and hard water areas.
Schematics showing internal components for 30ci/35ci and 30si models.
Recommended clearances, terminal spacing, and flue configurations.
Using the fixing jig and its associated components.
Instructions for cutting the flue hole and making water/gas pipe connections.
Steps for mounting the boiler and installing the safety valve discharge.
Components of the rear flue kit and removal of the chamber cover.
Steps for installing the fan and flue restrictor for rear flue systems.
Components of the top flue kit and relevant dimensions.
Detailed instructions for installing the telescopic top flue assembly.
Details on the standard top flue kit and how to cut pipes.
Steps for assembling and fitting the horizontal top flue.
Connecting the boiler to mains supply and voltage-free controls.
Wiring mains voltage external controls and performing electrical tests.
Procedures for filling the system and purging air for correct operation.
Setting central heating output and configuring dip switches.
Setting flue parameters (35ci) and instructing the user.
Procedures for changing gas type and adjusting the bypass valve.
Checking combustion gases and preparing for service.
Instructions for removing the front and side panels.
Checking and cleaning ignition parts, heat exchanger, and filters.
Interpreting error codes and resetting the overheat thermostat.
Procedures for testing components like gas control valve and motor.
Diagnosing common heating and hot water issues.
Resolving issues where the burner lights but no flame is detected.
Troubleshooting no spark and poor heating performance.
Resolving lukewarm tap water and fan operational problems.
Detailed wiring diagram for the 30ci model.
Detailed wiring diagram for the 30si model.
Detailed wiring diagram for the 35ci model.
Procedures for draining the system and replacing the thermistor.
Replacing fan, pressure switch, filters, burner, and injectors.
Replacing ignition, flame sensing parts, and overheat thermostat.
Replacing heat exchanger, insulation, control board, and user interface.
Replacing pump, filling system tap, and RPZ valve.
Replacing drain point, flow sensor, and water pressure sensor.
Replacing bypass valve, air vent, and gas control valve components.
Replacing discharge safety valve and three-way valve parts.
Replacing the ignition unit and hot water plate heat exchanger.
Replacing the expansion vessel and sealed chamber cover seal.
List of part numbers and descriptions for ordering spares.
