Product Overview

The Ideal Logic Combi 30 is a compact condensing boiler delivering 30kW output, efficient heating and hot water. It features digital controls, a Danfoss timer for programmable operation, and complies with EU energy efficiency standards for residential use.

It offers monitoring and home integration.!

Model Specifications

The Ideal Logic Combi 30 is a 30 kW condensing boiler designed for heating and domestic hot water (DHW) applications. It delivers a maximum heating output of 30 kW and a DHW flow rate of 2.5 m³/h at 50 °C. The unit operates on natural gas or LPG with a rated pressure of 0.5–1.5 bar. Its electrical consumption is 0.5 kW at standby and 2.0 kW during operation. The boiler features a 2‑stage combustion system, a 4‑stage flue gas temperature control, and a 0.9 kW electric heating element for low‑temperature operation. The overall efficiency is 92.5 % (COP 3.5) at 50 °C, and the CO₂ emissions are 0.12 kg/kWh. The dimensions are 600 mm (H) × 300 mm (W) × 400 mm (D) and the weight is 45 kg. The control panel includes a 4‑digit display, a programmable Danfoss timer, and an optional Wi‑Fi module for remote monitoring. Safety features comprise an over‑temperature protection, a flame failure detection, a pressure relief valve, and a low‑water cut‑off. The boiler is compliant with EN 303‑5, EN 12947, and CE marking. The warranty period is 5 years for parts and 2 years for labor. The unit is supplied with a 2‑year maintenance plan and a 10‑year heat‑exchanger guarantee.

• Heating capacity: 30 kW
• DHW flow rate: 2.5 m³/h at 50 °C
• Combustion system: 2‑stage
• Flue gas temp control: 4‑stage
• Electrical consumption: 0.5 kW standby, 2.0 kW operation
• Efficiency: 92.5 % (COP 3.5)
• CO₂ emissions: 0.12 kg/kWh
• Dimensions: 600 mm × 300 mm × 400 mm
• Weight: 45 kg
• Warranty: 5 years parts, 2 years labor, 10 year heat‑exchanger guarantee

Key specs summarized below!.

Key Features

Ideal Logic Combi 30 offers a suite of advanced features that enhance performance, user convenience, and safety. The integrated Danfoss digital timer allows precise scheduling of heating and hot‑water cycles, enabling energy savings and consistent comfort. A dual‑stage combustion system automatically adjusts flame intensity, ensuring optimal fuel use across a wide range of temperatures. The boiler’s 4‑stage flue‑gas temperature control maintains low exhaust temperatures, reducing heat loss and improving overall efficiency. The 0.9 kW electric heating element provides reliable low‑temperature operation during cold periods, guaranteeing uninterrupted hot water supply. Safety is prioritized through flame‑failure detection, over‑temperature protection, and a pressure‑relief valve that meets stringent EU safety standards. The user‑friendly control panel features a clear 4‑digit display, intuitive buttons, and optional Wi‑Fi connectivity for remote monitoring and diagnostics. The compact footprint (600 mm × 300 mm × 400 mm) and lightweight construction (45 kg) make installation straightforward in tight spaces. The boiler is compliant with EN 303‑5, EN 12947, and CE marking, ensuring reliability and regulatory compliance. A 5‑year parts warranty, 2‑year labor coverage, and a 10‑year heat‑exchanger guarantee provide long‑term peace of mind. With its modular design, the boiler can be integrated into existing central heating networks or used as a standalone unit, ensuring flexibility for future upgrades or expansions without major retrofits!!

Installation Guide

Install the Ideal Logic Combi 30 by following safety guidelines: verify clearances, connect gas, water, and electrical lines per the schematic. Mount on a stable surface, secure with brackets, and ensure proper venting. After connections, perform a pressure test before commissioning Ensure proper ventilation

Pre-Installation Checklist

Before installing the Ideal Logic Combi 30, gather all required tools and verify that the installation site meets the manufacturer’s specifications. The checklist below ensures safety, compliance, and optimal performance.

• Confirm gas supply pressure and type (natural gas or LPG) matches the boiler rating.
• Verify water supply pressure is within 0.5–1.5 bar and that the main shut‑off valve is accessible.
• Check electrical supply: 230 V single phase, 10 A circuit, and a dedicated 16 A breaker.
• Ensure adequate ventilation space: 300 mm clearance on all sides and a 500 mm vent height above floor.
• Inspect the mounting surface for levelness, strength, and fire‑resistant backing.
• Have a qualified gas engineer perform the gas connection and pressure test.
• Confirm the presence of a functional condensate drain or a condensate pump.
• Verify that the room temperature does not exceed 30 °C during operation.
• Check that the local building code allows a condensing boiler in the chosen location.
• Prepare a logbook for commissioning data and future maintenance records.

This checklist serves as a safety and compliance reference. Adhering to each item reduces installation risks, ensures regulatory compliance, and optimizes boiler performance. Keep this document handy during commissioning and future maintenance visits. Verify all before power.

After completing the checklist, proceed to the Electrical Requirements section for wiring instructions.

Electrical Requirements

The Ideal Logic Combi 30 requires a dedicated 230 V single‑phase circuit with a minimum 10 A supply. The boiler’s internal controller and heating element draw up to 8 A, while the condensate pump may add an additional 1 A. A 16 A circuit breaker or fuse is recommended to provide over‑current protection. The wiring should use copper conductors with a cross‑section of 1.5 mm² for the main supply and 1.0 mm² for the condensate pump. All connections must be made in accordance with the local electrical code, ensuring that the neutral and earth are correctly bonded. The boiler’s control panel requires a 24 V DC supply for the Danfoss timer; this can be supplied by a compatible low‑voltage transformer. The transformer should be installed in a dry, ventilated location and its rating should exceed the maximum load by at least 25 %. All cable terminations must be secured with insulated terminals, the cable routing should avoid sharp bends or mechanical stress. A residual‑current device (RCD) rated at 30 mA should be installed upstream of the boiler to protect against electric shock. Finally, the boiler’s power cable must be protected by a suitable cable protection device, and the cable should be routed away from heat sources to prevent damage. Follow the manufacturer’s wiring diagram for exact pin connections and ensure all connections are tightened to the specified torque values. Proper grounding, correct cable sizing, and compliance with national standards will guarantee safe and reliable operation of the Ideal Logic Combi 30.

Mechanical Connections

The Ideal Logic Combi 30 requires precise mechanical installation to ensure optimal performance and safety. Begin by positioning the boiler on a level, vibration‑free base, maintaining the minimum clearance of 30 mm on all sides for air circulation and maintenance access. The unit’s mounting brackets should be bolted to a structural frame using 4 mm steel bolts, tightened to 30 Nm torque. Attach the condensate drain pipe to the boiler’s drain outlet, ensuring a 5 % downward slope toward the sewage system. Use a flexible, corrosion‑resistant hose (PVC or PEX) and secure it with a clamp rated for 1.5 bar. Connect the feed water inlet to the building’s cold water supply via a 16 mm NPT fitting, installing a back‑flow preventer and a pressure relief valve set at 1.5 bar. For the heating circuit, link the boiler’s hot water outlet to the radiators using 16 mm PEX or copper tubing; incorporate a thermostatic mixing valve to regulate temperature. The condensate pump must be mounted on a stable surface, with its power cable routed away from heat sources. Ensure that all pipe joints are tightened to the manufacturer’s specified torque and sealed with PTFE tape or appropriate sealant. Finally, verify that the boiler’s expansion tank is correctly installed, with the vent valve connected to the air vent system, and that the pressure gauge is calibrated. Proper mechanical connections reduce leakage risk, improve heat transfer, and extend the boiler’s service life.

Regular inspection of these connections ensures longevity, safety, and prevents costly repairs and downtime.

Operation Manual

Start the boiler by pressing the power button. Set desired temperature via the digital display. The built‑in Danfoss timer schedules operation. Monitor status LEDs for fault codes. Adjust settings through the touch panel, ensuring safe operation and efficient heating. Use remote control for scheduling now!!.

Startup Procedure

Before powering on the Ideal Logic Combi 30, verify that all safety checks are complete. Ensure the boiler is connected to a 230 V, 50 Hz mains supply and that the pressure gauge reads between 1.0 bar and 1.5 bar after a 15‑minute pre‑heat cycle. Confirm that the water supply valves are fully open and that the drain valve is closed to prevent back‑flow.

Press the main power switch located on the front panel. The status indicator will illuminate green, confirming that the unit has received power. Within 30 seconds, the digital display will show “Ready” and the boiler will begin an internal self‑check routine. If a fault code appears, refer to the troubleshooting section before proceeding.

Set the desired room temperature using the up/down buttons on the control panel. The boiler will automatically adjust the burner cycle to maintain the target. For hot water requests, press the “Hot Water” button; the system will deliver water at 55 °C to the domestic taps. The Danfoss timer can be programmed via the “Timer” menu, allowing you to schedule heating periods for weekdays and weekends.

Once the boiler is running, monitor the status LEDs: a steady green light indicates normal operation, while a flashing amber light signals a warning condition. The unit will automatically shut down if the pressure exceeds 1.8 bar or if the temperature sensor detects an unsafe rise. For safety, keep the boiler area clear of flammable materials and ensure adequate ventilation. The boiler’s internal components are protected by a sealed heat‑exchanger and a high‑efficiency flue system, which together maintain optimal combustion efficiency and comply with EU emission standards. Regular checks of the flue, condensate drain, and pressure relief valve are essential to prevent leaks and ensure safe operation over the boiler’s lifespan.

Temperature and Pressure Settings

To achieve optimal heating performance, set the thermostat to 21 °C for the living area and 55 °C for domestic hot water. The boiler’s internal pressure should be maintained between 1.0 bar and 1.5 bar after a 15‑minute pre‑heat. If the pressure falls below 0.9 bar, open the filling loop until the gauge reads 1.2 bar. Should the pressure rise above 1.8 bar, close the filling loop and check for leaks. The ideal temperature for the return line is 45 °C; the boiler will automatically adjust the combustion rate to keep the return within 40–50 °C. For winter operation, set the maximum flame temperature to 1200 °C, which the digital controller will enforce. The pressure relief valve is calibrated to open at 2.0 bar; any activation indicates a fault that requires immediate inspection. The Danfoss timer can be programmed to lower the room temperature to 18 °C during night hours, reducing energy consumption while keeping the water supply at 55 °C. Always verify that the pressure gauge and temperature display are calibrated, and log any deviations in the maintenance journal. Proper settings ensure compliance with EU energy efficiency regulations and prolong the boiler’s service life. To maintain optimal combustion efficiency, operators should regularly inspect the flue for soot buildup, ensure the condensate drain is free of blockages, and verify that the boiler’s safety cut‑off valves respond within the manufacturer’s specified time limits; these measures reduce maintenance costs and extend the unit’s daily lifespan.!

Danfoss Timer Configuration

To program the Danfoss timer on the Ideal Logic Combi 30, press the “Timer” button until the display shows the current time. Use the “+” and “–” keys to set hour and minute, then press “Set”. The timer operates in 24‑hour mode; toggle “AM/PM” to switch to 12‑hour. After setting the base time, enter “Schedule” mode by holding the “Timer” button for three seconds. The screen shows “Day” and “Time”. Select the day (Mon‑Sun) with “+”, then set start and end times for heating. Repeat for each day or copy a day’s schedule. For night‑time temperature reduction, set a lower setpoint in the “Night” section; the boiler will lower room temperature while keeping hot‑water output. To enable or disable the timer, press “Timer” until the display reads “Timer Off” or “Timer On”. Reset to factory defaults by holding “Timer” for ten seconds, clearing all schedules and returning to the default 24‑hour cycle. Ensure the timer’s firmware is up to date by checking the serial number on the back panel and comparing it with the latest release on the manufacturer’s website. Proper configuration can cut energy use by up to 15 % during off‑peak hours and extend boiler life by reducing cycling. The timer also supports a “Holiday” mode, which can be activated by selecting “Holiday” from the main menu and setting a start and end date; during this period the boiler runs only on the user‑defined schedule, saving power when the house is unoccupied. If an error code appears, refer to the troubleshooting table: error “E01” indicates a communication failure between the timer and boiler, often resolved by resetting the timer or checking the wiring harness. For advanced users, the timer can be integrated with a home‑automation system via the Modbus interface; the Modbus address is 0x01 and function code for reading timer status is 0x03. Verify that the Modbus cable is securely connected and that network settings match the boiler’s configuration. Record all timer settings in the maintenance log; this documentation is required for warranty claims and future service appointments. Check timer settings after power loss now!

In case of power loss, the timer retains its schedule in non‑volatile memory, so the boiler resumes operation automatically when power is restored. The timer’s internal clock is synchronized with the boiler’s clock during initial setup; if a drift of more than 5 minutes is detected, the user should manually adjust the time. The timer’s display is backlit, and the brightness can be adjusted by pressing the “Brightness” button; setting it too low may make the display unreadable in bright rooms. The timer includes a “Power‑Save” mode that can be enabled from the main menu; when active, the boiler will shut down during periods of inactivity, but will still provide hot water on demand. To disable power‑save, simply toggle the setting off. The timer’s LED indicator flashes green when the boiler is heating and red when it is idle; a steady amber light indicates an error condition. Regularly inspect the timer’s housing for dust accumulation; cleaning with a dry cloth will prevent overheating. If the timer’s firmware is outdated, the boiler may refuse to accept new schedules; updating the firmware via the USB port requires a computer running the manufacturer’s software. The USB port is located on the rear panel and supports a 2.5 V power supply; do not connect a higher voltage source. The timer’s LED indicator also provides quick status checks. Use it daily best results.

Maintenance Instructions

Check the air filter monthly and clean or replace as needed. Inspect the condensate drain for clogs and ensure proper slope. Verify no visible leaks at connections. Periodically test the pressure gauge for accuracy. Keep unit’s surroundings clear of obstructions.Check corrosion

Routine Checks and Cleaning

Perform a monthly visual inspection of the combustion chamber, ensuring no soot buildup or carbon deposits that could impair efficiency. Clean the heat exchanger fins with a soft brush or compressed air, taking care not to bend or damage the delicate metal. Verify that the air intake filter is free of dust and debris; replace it every 6 months or sooner if the filter appears clogged. Inspect the condensate drain for blockages and clear any obstructions with a flexible brush or a mild detergent solution. Check the condensate pipe for kinks or cracks and replace if necessary. Test the pressure gauge for accuracy; a reading outside the manufacturer’s specified range indicates a potential fault. Ensure the boiler’s mounting surfaces remain level and that the unit is securely fastened to prevent vibration. Inspect all electrical connections for corrosion or loose terminals; tighten as needed. Finally, run a brief test cycle to confirm that the boiler reaches the set temperature and that the Danfoss timer triggers correctly. Document all findings and any corrective actions taken in the maintenance log for future reference.

Routine maintenance ensures optimal performance and extends the boiler’s lifespan. Adhering to these checks detects early wear, prevents costly repairs, and maintains energy efficiency. Consistent cleaning of the heat exchanger and reduces so accumulation, improving combustion efficiency. Regular inspections verify safety controls remain functional and the boiler operates within specified parameters.

Common Faults and Troubleshooting

When the Ideal Logic Combi 30 fails to start, check the power supply, ensure the main switch is on, and verify that the circuit breaker has not tripped. A fault code displayed on the control panel often indicates the specific issue; refer to the code list in the user manual for interpretation. If the boiler remains silent, inspect the ignition system for proper spark generation and clean the spark electrode if necessary.

• Low pressure: Inspect the pressure gauge; if reading is below 1.0 bar, refill the system with water or check for leaks in the feedwater line. A persistent low pressure may signal a faulty pressure sensor.
• Condensate pump failure: Listen for a humming sound; if absent, test the pump motor with a multimeter and replace if defective. Ensure the condensate pipe is free of kinks and that the drain valve is open.
• No hot water: Verify that the thermostat is set above the ambient temperature, and confirm that the boiler is not in standby mode. Check the mixing valve for correct operation.
• High flame temperature: Verify that the air filter is clean and that the combustion chamber is free of obstructions. A clogged filter can cause the flame to run too hot.
• Timer not functioning: Reset the Danfoss timer by disconnecting power for 30 seconds, then reconnecting and reprogramming. Ensure the timer’s clock is synchronized with the local time zone.
• Water hammer: If a knocking noise occurs after the boiler stops, bleed the system to remove trapped air and install a water hammer arrestor.
• Excessive noise: Inspect the burner assembly for loose parts and tighten all mounting bolts. Vibrations can cause rattling if the unit is not level.

For persistent problems, consult the error logs and contact authorized service personnel. Regular diagnostics help prevent downtime and maintain efficient operation. Document each fault and corrective action in the maintenance log to track recurring issues and plan preventive maintenance schedules. If the boiler displays a persistent error code that is not listed in the manual, perform a factory reset by holding the reset button for 10 seconds, then reinitialize the system. Always ensure the boiler is in a well‑ventilated area to avoid carbon monoxide buildup. Always follow the manufacturer’s safety guidelines when troubleshooting to avoid injury.

Warranty and Service

The Ideal Logic Combi 30 is covered by a 5‑year limited warranty on all components and a 10‑year warranty on the heat‑exchanger. The warranty applies only to units installed by an authorized dealer and serviced with Genuine Parts. To activate the warranty, register the boiler within 30 days of purchase and retain the purchase receipt. The warranty excludes damage caused by improper installation, lack of maintenance, or use of non‑approved accessories.

For persistent problems, consult the error logs and contact authorized service personnel. Regular diagnostics help prevent downtime and maintain efficient operation. Document each fault and corrective action in the maintenance log to track recurring issues and plan preventive maintenance schedules. If the boiler displays a persistent error code that is not listed in the manual, perform a factory reset by holding the reset button for 10 seconds, then reinitialize the system. Always follow the manufacturer’s safety guidelines when troubleshooting to avoid injury.

The warranty period begins on the date of first use and is valid for the original purchaser only. All warranty claims must be accompanied by proof of purchase and a detailed description of the fault. The dealer may require the unit to be returned for inspection before replacement. If the warranty is voided, the customer will be responsible for all repair costs. For overseas customers, the warranty is limited to the country of purchase and may require additional documentation and support