Ideal Logic Combi 30 User Manual: A Comprehensive Guide
Welcome! This manual provides essential guidance for operating your Ideal Logic Combi 30, ensuring efficient heating and hot water for years to come.
Congratulations on selecting the Ideal Logic Combi 30, a highly efficient and reliable combination boiler designed to provide both central heating and domestic hot water. This boiler represents a significant advancement in home comfort technology, offering a compact design and user-friendly operation.
This manual serves as a comprehensive guide to understanding and utilizing all the features of your new boiler. We’ll cover everything from basic operation and safety precautions to advanced settings and troubleshooting. Properly understanding this manual will ensure optimal performance, longevity, and safety. Remember to retain this manual for future reference and servicing needs. Enjoy the comfort and efficiency of your Ideal Logic Combi 30!
Safety Precautions
Important: Your safety is paramount. The Ideal Logic Combi 30 operates using high temperatures and pressures. Always read and understand these precautions before operating the boiler. Never attempt to modify or repair the boiler yourself; contact a qualified engineer. Ensure adequate ventilation is maintained in the boiler room.
Regularly check for any signs of damage or leaks. Do not obstruct the flue or ventilation openings. Keep flammable materials away from the boiler. This appliance is not intended for use by persons (including children) with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless supervised.

General Safety Warnings
Caution: The boiler surfaces can become very hot during operation. Avoid touching the boiler casing or flue pipe while the system is running. Always allow the boiler to cool down before performing any maintenance. Never operate the boiler with damaged components.
Ensure children and pets are kept away from the boiler. Do not use the boiler in a confined space without adequate ventilation. Regularly inspect the boiler room for any potential hazards. If you smell gas, immediately turn off the gas supply and contact a qualified gas engineer. Do not attempt to relight the boiler yourself.
Carbon Monoxide Safety
Critical Warning: Carbon monoxide (CO) is a colorless, odorless, and deadly gas. A faulty boiler can produce CO. Install a certified carbon monoxide detector in a central location near the boiler, following the manufacturer’s instructions. Regularly test the detector’s functionality.
Recognize the symptoms of CO poisoning: headache, dizziness, nausea, fatigue, and confusion. If anyone experiences these symptoms, immediately evacuate the premises and call emergency services. Never ignore suspected CO poisoning. Ensure proper ventilation and annual servicing by a qualified engineer to prevent CO buildup. Your safety is paramount.
Package Contents & Initial Inspection
Upon receiving your Ideal Logic Combi 30, carefully inspect the packaging for any signs of damage during transit. Report any damage immediately to the supplier. The package should include the boiler unit, this user manual, the installation manual, a flue terminal guard, wall mounting bracket, and fixing screws.
Verify all listed components are present. Do not install a damaged or incomplete product. Retain the packaging for potential returns or servicing. Before installation, visually inspect the boiler for any cosmetic defects. Document any issues with photographs and contact customer support if necessary.
System Overview
The Ideal Logic Combi 30 is a highly efficient condensing combination boiler, providing both central heating and domestic hot water on demand. It’s a compact unit designed for homes with average heating demands. Key Combi Boiler Components include the heat exchanger, fan, gas valve, pump, and control unit, all working in harmony.
The Control Panel & Display allows for easy operation and monitoring of boiler functions. It displays temperature settings, error codes, and system status. Understanding these components and the control interface is crucial for efficient operation and troubleshooting. This boiler is designed for sealed systems and requires appropriate system pressure.
Combi Boiler Components
The heat exchanger maximizes efficiency by transferring heat from combustion gases to the heating system. A powerful fan ensures proper combustion and flue gas expulsion. The gas valve precisely controls gas flow for optimal heating. The circulating pump distributes hot water throughout your radiators or underfloor heating.
Crucially, the control unit manages all boiler functions, responding to thermostat signals and user input. A PRV (Pressure Relief Valve) safeguards against over-pressure. These components, working together, deliver reliable and efficient heating and hot water. Regular maintenance ensures optimal performance of each part.
Control Panel & Display

The control panel features intuitive buttons for power, temperature adjustment, and mode selection. The LCD display clearly shows current system temperature, hot water status, and any active error codes. Buttons allow for easy navigation through settings and adjustments. The display utilizes icons to represent different functions, like frost protection or holiday mode.
Understanding the display’s indicators is key to monitoring boiler performance. A flame icon indicates active heating, while a snowflake signifies frost protection. The panel provides vital feedback, enabling efficient operation and quick identification of potential issues. Familiarize yourself with these controls for optimal use.
Installation Requirements (Brief Overview ⎯ Refer to Installation Manual)
Professional installation is crucial for the Ideal Logic Combi 30. This requires a Gas Safe registered engineer adhering to current regulations. Proper ventilation and a suitable flue are essential for safe operation. Ensure adequate gas supply pressure and correct electrical connections. The boiler needs a stable, level surface and sufficient clearance for servicing.
Water supply must meet specified pressure requirements. Always consult the full Installation Manual for detailed instructions and safety guidelines. Incorrect installation voids the warranty and poses significant risks. Prioritize safety and compliance with all applicable standards during setup.
Operating Instructions ⎯ Basic Operation
Powering on the Ideal Logic Combi 30 is simple – use the power button on the control panel. The boiler will initiate its self-check sequence. To set the room temperature, use the up/down arrows on the display, selecting your desired heat level. For hot water, press the hot water button; the boiler will heat water on demand.
The digital display shows current temperature settings and boiler status. Familiarize yourself with the control panel layout for easy operation. Ensure adequate ventilation in the room. Always refer to the full manual for detailed instructions and safety precautions.
Powering On/Off the Boiler
To power on your Ideal Logic Combi 30, locate the power button on the control panel – it’s typically marked with a universal power symbol. Press firmly, and the boiler will begin its start-up sequence, indicated by activity on the display. Powering off is equally straightforward; press the same power button again.

Allow the boiler a few moments to complete its shutdown process. Avoid repeatedly switching the boiler on and off in quick succession, as this can impact its efficiency. Always ensure the boiler is fully off before undertaking any maintenance.
Setting the Room Temperature
Adjusting the room temperature on your Ideal Logic Combi 30 is simple using the control panel. Locate the temperature adjustment buttons – usually marked with ‘+’ and ‘-’ symbols. Press ‘+’ to increase the desired temperature and ‘-’ to decrease it. The current set temperature will be displayed clearly on the screen.
The boiler will then modulate its output to achieve and maintain the selected temperature. For optimal comfort and energy efficiency, consider setting a temperature that suits your needs and lifestyle; Avoid excessively high settings.
Hot Water Operation
Your Ideal Logic Combi 30 provides on-demand hot water. To activate hot water, simply turn on a hot water tap. The boiler will automatically detect the demand and begin heating water. The flow rate and temperature are determined by the tap and boiler settings.
For consistent hot water delivery, ensure sufficient system pressure (refer to the ‘Filling the System Pressure’ section). If hot water fluctuates, check for other appliances using hot water simultaneously. Adjust the hot water temperature via the control panel for personalized comfort, but avoid scalding temperatures.
Advanced Features & Settings
The Ideal Logic Combi 30 offers several advanced features for optimized performance and convenience. Frost Protection Mode automatically activates the boiler if the system temperature drops, preventing frozen pipes. Holiday Mode maintains a low temperature to protect the system during extended absences, saving energy.
The Pre-heat Function allows for quicker hot water delivery by keeping a small amount of water heated. These settings are accessible through the control panel, offering customization to suit your lifestyle and climate. Explore these features to maximize efficiency and comfort.
Frost Protection Mode
Protecting your system from freezing is crucial. The Ideal Logic Combi 30’s Frost Protection Mode automatically activates when the boiler senses a significant temperature drop within the heating system. This feature circulates warm water through the pipes, preventing them from freezing and potentially bursting during cold weather.
This mode operates independently and doesn’t require manual activation; it’s a built-in safety net. However, ensure adequate insulation in vulnerable areas. While effective, it’s not a substitute for proper winter preparation and regular system checks.
Holiday Mode
Planning an extended absence? Utilize the Holiday Mode on your Ideal Logic Combi 30 to maintain frost protection while minimizing energy consumption. This setting reduces the boiler’s operation to a minimum, ensuring pipes don’t freeze during colder periods without fully heating your home.
To activate, access the boiler’s control panel and select ‘Holiday Mode’, specifying the duration of your trip. Upon your return, simply deactivate the mode to restore normal heating. Remember to allow sufficient time for your home to reach a comfortable temperature.

Pre-heat Function

Desire instant hot water? The Pre-heat function on your Ideal Logic Combi 30 intelligently anticipates hot water demand, maintaining a small reserve within the heat exchanger. This minimizes waiting time for hot water at taps and showers, enhancing convenience and comfort.
Access this feature through the control panel settings. Note that enabling Pre-heat will slightly increase energy consumption, as the boiler maintains a readiness state. Adjust the pre-heat level to balance responsiveness with energy efficiency, tailoring it to your household’s needs and usage patterns.
Understanding the Display Codes & Error Messages
The display panel is your boiler’s communication hub. It presents crucial system status information through numeric codes and icons. Familiarizing yourself with these signals allows for quick identification of potential issues, minimizing downtime and ensuring efficient operation.
Error codes indicate specific faults requiring attention – consult the detailed list in this manual for troubleshooting steps. Display icons provide real-time feedback on system parameters like water pressure, flame status, and active modes. Regularly checking the display helps proactively manage your boiler’s performance and maintain optimal heating.
Common Error Codes & Troubleshooting
Facing an error code? Don’t panic! This section details frequently encountered issues and their solutions. Code E16 often signals low water pressure – check the system pressure gauge and re-pressurize if needed. A flashing E11 typically indicates ignition failure; try resetting the boiler.
For code E28, a blocked flue is suspected – do not attempt to fix this yourself; contact a qualified engineer. Always consult the full error code list for precise diagnoses. Simple troubleshooting, like a reset, can resolve minor faults, but complex issues require professional attention.
Display Icon Meanings
Decoding the display is key! The snowflake icon signifies hot water demand, while the flame indicates the boiler is actively heating. A central heating symbol confirms the heating system is operational. The ‘frost protect’ snowflake warns of potential freezing conditions, activating protective measures.
A key icon denotes a locked control panel, preventing accidental adjustments. A wrench symbol signals a service reminder is due. Familiarizing yourself with these icons allows for quick system status assessment. Refer to the full manual for a comprehensive icon glossary and their specific meanings for optimal boiler management.

Filling the System Pressure
Maintaining correct system pressure is crucial! Locate the pressure gauge on the boiler’s front panel; optimal pressure typically falls between 1 and 1.5 bar. If pressure is low (below 1 bar), use the filling loop – usually a flexible hose with isolation valves – to add water.
Open both valves slowly, observing the gauge until the desired pressure is reached, then close them immediately. Caution: Do not over-pressurize! If you’re unsure, consult a qualified engineer. Regularly check the pressure, especially after bleeding radiators, to ensure efficient operation.
Bleeding the Radiators
Trapped air reduces radiator efficiency! Begin with the radiators furthest from the boiler. Use a radiator key to slowly open the bleed valve, releasing air until water appears. Caution: Have a cloth ready to catch any splashes.

Repeat for all radiators, working your way back towards the boiler. After bleeding, check the system pressure (see ‘Filling the System Pressure’) and top up if necessary. Regularly bleeding radiators ensures optimal heat distribution and reduces boiler strain, improving overall system performance and energy efficiency.
Descaling the Boiler
Limescale buildup reduces efficiency! Over time, limescale can accumulate within your Ideal Logic Combi 30, hindering performance. Descaling removes this buildup, restoring optimal heating and hot water output. Important: This process requires a specialized descaling solution – consult a qualified engineer for assistance.

Do not attempt descaling without proper training. A professional will safely circulate the solution, flush the system, and ensure all residue is removed. Regular descaling, typically annually, prolongs boiler life and maintains efficiency, saving energy and reducing potential repair costs.
Annual Servicing & Maintenance
Protect your investment! Annual servicing by a Gas Safe registered engineer is crucial for maintaining your Ideal Logic Combi 30’s efficiency and safety. A qualified technician will thoroughly inspect all components, ensuring optimal performance and identifying potential issues before they escalate.
Servicing includes checks of the flue, burner, heat exchanger, and gas pressure. Regular maintenance extends the boiler’s lifespan, reduces the risk of breakdowns, and ensures compliance with warranty requirements. Don’t delay – schedule your annual service today for peace of mind and continued reliable heating!
Troubleshooting Common Issues
Facing problems? Here’s a quick guide to address frequent issues. No heating or hot water? Check the system pressure and ensure the boiler is powered on. Low system pressure? You may need to re-pressurize the system (see section on filling system pressure).
If error codes appear on the display, consult the ‘Understanding the Display Codes & Error Messages’ section for specific troubleshooting steps. Never attempt repairs yourself – always contact a Gas Safe registered engineer for complex issues. Ignoring problems can lead to further damage and safety hazards.
No Heating or Hot Water
Experiencing a lack of heating or hot water? First, verify the boiler is powered on and displaying no error codes. Check the thermostat settings – ensure they are requesting heat or hot water. Low system pressure is a common cause; refer to the section on ‘Filling the System Pressure’ to rectify this.
Also, confirm that all radiators are bled (see ‘Bleeding the Radiators’). If the issue persists, a locked pump or air in the system could be the culprit. Do not attempt internal repairs; contact a qualified Gas Safe engineer for assistance.
Low System Pressure
A low system pressure is a frequent issue. The Ideal Logic Combi 30 requires a pressure between 1 and 1.5 bar for optimal operation. If the pressure falls below 1 bar, the boiler may cease to function. Do not ignore this! Refer to the ‘Filling the System Pressure’ section for detailed instructions on how to safely restore the pressure.
Repeatedly low pressure can indicate a leak within the system. Inspect radiators, pipes, and connections for any signs of water damage. If leaks are suspected, immediately contact a qualified heating engineer to prevent further damage and ensure safety.
Resetting the Boiler
Occasionally, your Ideal Logic Combi 30 may require a reset. This can resolve minor operational glitches or clear error codes. Begin by turning the boiler off at the main power switch, waiting for approximately 30 seconds, and then switching it back on. Allow the boiler a few minutes to restart and re-establish connections.
If a reset doesn’t resolve the issue, consult the ‘Understanding the Display Codes & Error Messages’ section to identify the specific error. Do not repeatedly reset the boiler without addressing the underlying problem, as this could indicate a more serious fault requiring professional attention.
Remote Control Operation (If Applicable)
If your Ideal Logic Combi 30 is equipped with a remote control, it offers convenient control over your heating and hot water. The remote typically allows you to adjust room temperature, set schedules, and switch between heating modes – all from a distance. Ensure the remote control is properly paired with the boiler, following the instructions in the separate remote control manual.
Battery life is crucial for consistent operation. Replace batteries when the display becomes dim or unresponsive. Familiarize yourself with the remote’s buttons and functions for optimal use. Refer to the remote control’s guide for detailed programming instructions and advanced features.
Technical Specifications
The Ideal Logic Combi 30 boasts impressive technical features. Its central heating output is rated at 30kW, providing ample warmth for most homes. Hot water flow rate reaches 13.9 liters per minute, ensuring quick and reliable hot water delivery. The boiler operates on natural gas and features a compact design for easy installation.
Dimensions are 700mm (H) x 390mm (W) x 290mm (D). It has an energy efficiency rating, and a modulating output range for optimal performance. The system requires a 230V/50Hz electrical supply. Detailed specifications, including gas consumption rates and flue requirements, are available in the full installation and servicing documentation.
Warranty Information
Your Ideal Logic Combi 30 is covered by a standard manufacturer’s warranty, offering peace of mind. The boiler comes with a 10-year warranty on the heat exchanger, protecting against internal corrosion and failure. Other components are typically covered for a period of one year from the date of installation, covering defects in materials and workmanship.
To validate your warranty, proper installation by a Gas Safe registered engineer is crucial. Retain your proof of purchase and installation documentation. Warranty claims require a valid installation certificate. Terms and conditions apply; refer to the separate warranty document for complete details and exclusions.

Contacting Customer Support
For assistance with your Ideal Logic Combi 30, our dedicated customer support team is readily available. You can reach us via telephone at 0333 241 4245, Monday to Friday, 8:00 AM to 6:00 PM. Alternatively, visit our comprehensive support website at idealheating.com for FAQs, troubleshooting guides, and downloadable resources.
When contacting support, please have your boiler’s model number and serial number readily available. This will help us quickly identify your unit and provide accurate assistance; For online inquiries, use the contact form on our website. We strive to respond to all queries within 24-48 business hours.
Frequently Asked Questions (FAQ)
Q: Why is my boiler displaying an error code? A: Error codes indicate specific issues. Refer to the ‘Understanding the Display Codes & Error Messages’ section for troubleshooting steps. Q: How do I reset my boiler? A: Follow the instructions in the ‘Resetting the Boiler’ section. Q: What should I do if I smell gas? A: Immediately turn off the gas supply and contact a Gas Safe registered engineer.
Q: How often should my boiler be serviced? A: Annual servicing is recommended to maintain efficiency and safety. Q: Can I control my boiler remotely? A: If you have a compatible remote control, refer to the ‘Remote Control Operation’ section.
Electrical Requirements
Important: Installation must be performed by a qualified and certified electrician, adhering to all local and national regulations. The Ideal Logic Combi 30 requires a 230V/50Hz electrical supply. A dedicated, correctly fused circuit is essential for safe and reliable operation. Ensure the electrical supply is capable of handling the boiler’s maximum power consumption.
The boiler must be effectively earthed. Incorrect electrical connections can cause damage or pose a safety hazard. Always isolate the electrical supply before carrying out any maintenance or inspection work. Refer to the full installation manual for detailed wiring diagrams and specific electrical specifications.
Flue & Ventilation Requirements (Brief Overview ⎯ Refer to Installation Manual)
Crucially, correct flue installation is paramount for safe operation. The Ideal Logic Combi 30 must be fitted with a suitable flue system, compliant with all current regulations. This typically involves a properly sized and sealed flue pipe venting to the outside atmosphere. Adequate ventilation is also vital in the boiler’s installation location to ensure sufficient air supply for combustion.
Detailed guidance on flue types, lengths, and installation procedures are comprehensively covered within the separate Installation Manual. Do not attempt flue installation without consulting this manual and a qualified heating engineer.
Water Supply Requirements
Essential for operation, the Ideal Logic Combi 30 requires a suitable mains water supply with adequate pressure. Both incoming water pressure and the existing pipework diameter are critical factors. Low water pressure can significantly impact hot water performance, potentially causing reduced flow rates or even boiler shutdown.
The system needs to comply with local water regulations. A cold water supply must be connected to the boiler’s inlet, and appropriate pipework installed for the hot water outlet. Always refer to the full Installation Manual for precise specifications and guidance on water supply connections.
Disposal & Recycling Information
Responsible disposal is crucial. When your Ideal Logic Combi 30 reaches the end of its life, do not dispose of it with general household waste. This appliance contains components requiring specialized recycling processes to minimize environmental impact.
Contact your local waste disposal authority or a registered recycling center to arrange for proper disposal. Do not attempt to dismantle the boiler yourself, as this could release hazardous materials. Compliance with the WEEE (Waste Electrical and Electronic Equipment) Directive is essential. Proper recycling helps conserve resources and protects the environment.