Need help?Do you have a question about the Main Combi 30 Eco Elite and is the answer not in the manual?
General| Model | Main Combi 30 Eco Elite |
|---|---|
| Category | Boiler |
| Type | Combi |
| Output | 30 kW |
| Weight | 32 kg |
| Fuel Type | Natural Gas |
| Mounting | Wall Mounted |
| Max. DHW Output | 30 kW |
| ErP Heating | A |
| ErP Water | A |
| Max Working Pressure | 3 bar |
Defines competence for Gas Safe registered engineers and I.S. 813.
Provides advice on safe handling, preparation, technique, and remembering precautions.
Overview of the Main Combi Eco Elite boiler, its output, and intended use.
Lists the items included in the boiler installation package.
Diagram and list identifying the main components of the boiler.
Describes how the boiler operates in central heating mode, including pump overrun.
Explains the priority and operation of the boiler for domestic hot water supply.
Details the boiler's integral frost protection function.
Describes the automatic pump operation for preventing sticking.
Presents detailed technical specifications for the Combi 25 & 30 Eco Elite models.
Provides diagrams and measurements for boiler dimensions and required installation clearances.
Provides general information about the boiler's approval and water byelaws.
Details requirements for the central heating circuit, including system flushing and water treatment.
Explains the boiler's integral automatic bypass function.
Discusses the use of external controls for optimizing boiler operation.
Guides on how to fill and pressurise the central heating system.
Details the central heating expansion vessel's capacity and pre-charge pressure.
Explains the function and routing of the safety pressure relief valve discharge pipe.
Covers requirements for the domestic hot water circuit, including water regulations.
Provides recommendations for shower controls supplied by the appliance.
Advises on fitting a device to treat mains water supply in hard water areas.
Specifies suitable locations for boiler installation and relevant regulations.
Details required clearances around the boiler for installation and servicing.
Addresses ventilation requirements for boilers installed in cupboards or compartments.
Outlines requirements for gas supply installation and connection.
Details electrical supply requirements, fused spur, and isolation.
Covers installation requirements for boilers in rooms containing baths or showers.
Specifies requirements for the correct installation of the condensate discharge pipework.
Continues detailed requirements for condensate drain installation, including pipe sizing and insulation.
Lists minimum distances for flue terminal positions relative to openings and boundaries.
Describes horizontal flue systems, maximum lengths, and equivalent lengths of bends.
Details twin and vertical flue systems, maximum lengths, and equivalent lengths of bends.
Lists available flue accessories for different flue systems, including part numbers.
Explains the connection of a twin flue system using the duct adaptor.
Details how to engage and secure the twin flue duct adaptor and flue.
Provides instructions for installing flue terminals on pitched and flat roofs.
Specifies standard horizontal flue kit lengths and maximum permissible equivalent flue lengths.
Describes the fitting of the rubber flue trim.
Advises on the use and fitting of terminal guards when required.
Explains how to fit and angle the flue deflector for plume direction.
Details the contents and recommended use of the plume displacement kit.
Explains how to use graphs to determine permissible concentric and exhaust flue lengths.
Provides general notes and steps for fitting the plume displacement kit components.
Continues general fitting notes for routing, positioning, and securing plume displacement components.
Instructions for unpacking the boiler and initial wall plate preparation.
Details the procedure for flushing the central heating system before filling.
Step-by-step guide for lifting, positioning, and connecting the boiler to the wall plate.
Instructions for connecting and routing the pressure relief discharge pipe.
Guidance on connecting the condensate drain to the trap outlet pipe.
Instructions for fitting the horizontal flue, measuring lengths and cutting.
Instructions for fitting concentric vertical flues, including extensions and support.
Details how to connect external controls like thermostats and timers to the boiler.
Lists essential electrical checks to perform before commissioning.
Step-by-step guide for commissioning the boiler, including system checks and setting controls.
Mandatory procedure for checking and adjusting boiler combustion performance (CO/CO2).
Procedure for checking and setting the operational gas inlet pressure and gas rate.
Final steps for completion, including user handover and setting controls.
Recommendations and procedures for annual boiler servicing, including safety checks.
Detailed inspection steps for annual servicing, including removing panels and cleaning components.
Continues inspection steps for servicing, covering gas/air inlet, fan, filters, and reset procedure.
Step-by-step instructions for replacing the boiler igniter.
Instructions for removing and replacing the electrode assembly.
Guide for replacing the boiler fan, including air box and gasket.
Steps for extracting and replacing the boiler injector.
Instructions for replacing the burner, gasket, and insulation.
Details on replacing the insulation piece and checking the heat exchanger gasket.
Instructions for replacing the safety thermostat.
Guide for draining the boiler and replacing the CH temperature sensor.
Steps for draining the circuit and replacing the water pressure sensor.
Instructions for turning off water and replacing the DHW temperature sensor.
Guide for draining the circuit and replacing the heat exchanger automatic air vent.
Instructions for replacing just the pump head, including wiring and speed setting.
Steps for replacing the entire boiler pump unit.
Instructions for draining the circuit and replacing the automatic air vent.
Guide for draining the circuit and replacing the pressure gauge assembly.
Instructions for replacing the Hall Effect sensor on the hydraulic inlet manifold.
Steps for draining the circuit and replacing the pressure relief valve.
Instructions for draining and replacing the plate heat exchanger.
Guide for replacing the diverter valve motor unit or the entire assembly.
Instructions for replacing the Printed Circuit Board (PCB).
Steps for replacing the boiler selector switch.
Detailed instructions for replacing the gas valve, including CO2 checks.
Guide for draining the circuit and replacing the expansion vessel.
Procedure for setting the gas valve by checking and adjusting CO2 levels.
Diagram showing the electrical connections and layout of components.
A list of common replacement parts with their manufacturer part numbers.
Basic checks for gas, water, electrical supply, and system pressure before troubleshooting.
Explanation of error codes displayed by the boiler and their meanings.
Flowchart for diagnosing faults when the boiler is in central heating mode.
Flowchart for diagnosing faults when the boiler is in domestic hot water mode.
Troubleshooting steps for electrical supply issues.
Troubleshooting steps for pump and PCB issues.
Troubleshooting steps for system pressure and water pressure switch issues.
Troubleshooting steps for fan and PCB issues.
Troubleshooting steps for temperature sensor faults.
Troubleshooting steps for gas at burner and PCB issues.
Troubleshooting steps for Hall Effect sensor and PCB issues.
Troubleshooting steps for ignition electrode and PCB issues.
Troubleshooting steps for gas valve and flame sensing electrode issues.
Troubleshooting steps for overheat thermostat and PCB issues.
Troubleshooting steps for 3-way valve, PCB, and pump supply cable.
Troubleshooting steps for fan and PCB issues.
Troubleshooting steps for temperature sensors and heat exchanger issues.
Section for recording customer, boiler, and commissioning information.
Checklist for boiler controls, system flushing, cleaner, inhibitor, and filters.
Section to record gas rate and temperatures for central heating mode.
Checklist for hard water areas and scale reducer installation.
Section to record gas rate, temperatures, and water flow for DHW mode.
Records for condensate drain, CO/CO2 ratios, and compliance with regulations.
Details for the service provider and instructions for completing service records.
To Next Page
