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Explains boiler controls, starting, stopping, and modes.
Details on setting the timeclock program.
Covers draining, filling, and safety valve.
Overview and key specifications of the boiler.
Guidelines for gas safety, installation, and leak handling.
Instructions for cleaning the boiler casing and related warnings.
Lists available optional accessories for the boiler.
Details on pump performance relative to bypass settings.
Physical dimensions and required installation clearances.
Illustrated breakdown of boiler components and their functions.
Spacing for flue terminals and cupboard ventilation needs.
Guidelines for heating, hot water, and gas system design and connections.
Instructions for safety valve discharge and gas safety regulations.
Recommendations for areas with hard water.
Identifies boiler connection points and lists installation regulations.
Step-by-step instructions for mounting the boiler.
Safety advice for handling sharp metal parts.
Step-by-step guide for fitting horizontal flue systems.
Methods for measuring and cutting flue pipes accurately.
Rules for maximum horizontal flue length and bend allowances.
Steps for installing vertical flue systems and terminals.
Rules for maximum vertical flue length and bend allowances.
Guidelines for wiring the boiler and its components.
How to connect external controls like thermostats.
Procedures for initial setup, gas purging, and system filling.
Steps before starting and initial boiler operation.
Procedures for setting boiler temperatures and gas pressures.
Explanation of the boiler's safety features and their functions.
Details on air flow, power failure, overheat, and frost protection.
Procedures for setting gas valve and bypass for optimal performance.
How to configure the printed circuit board dip switches.
General procedures for cleaning and inspecting the boiler.
Steps for removing panels and accessing internal parts like the combustion chamber.
Instructions for cleaning the burner, heat exchanger, filters, and checking specific operations.
Guidance on reassembling parts and checking flue/fan/water valve.
Procedures for replacing microswitch, fan, air pressure switch, and spark generator.
Detailed steps for replacing the main and ignition PCBs.
Steps for replacing the pump and pressure gauge.
Procedure for replacing the entire reversing valve assembly.
Steps for replacing the front section of the reversing valve.
Procedures for replacing water valve, diaphragm, and loss of water switch.
Steps for replacing the gas valve and its modulating coil.
Procedures for replacing the safety valve and heat exchanger.
Steps for replacing the expansion vessel, with boiler in or out of place.
Procedures for replacing thermistor, overheat thermostat, insulation, and ignition electrode.
Procedures for replacing flame sense electrode, burner, and injectors.
Steps for replacing the timeclock.
Detailed diagram of the boiler's electrical connections and components.
General checks and advice before using fault finding charts.
Diagnostic chart for issues with central heating.
Charts for diagnosing no hot water and pump not running issues.
Charts for diagnosing fan issues and thermistor values.
Information on ordering common replacement parts.
General| Brand | Saunier Duval |
|---|---|
| Model | Combitek F 23 E |
| Category | Boiler |
| Language | English |
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