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General| Modulation Ratio | 1:5 |
|---|---|
| Modulation | Yes |
| Max working temperature | 80 °C |
| Mounting | Wall-mounted |
| Fuel Type | Natural Gas / LPG |
Details heat input, output, burner pressure, and gas rates for central heating and domestic hot water.
Specifies system pressures, temperatures, connections, and water content for central heating and DHW.
Lists key boiler components like heat exchangers, pump, and gas valve.
Details minimum clearances required for servicing the boiler.
Provides boiler dimensions, gas connection size, and duct diameters.
Specifies electrical supply voltage, power consumption, fuse, and spark gap.
Graph showing pump head versus water flow rate for central heating.
Details system volume, expansion vessel capacity, and pressure notes.
Explains the sequence of operations for central heating mode.
Explains boiler operation for Central Heating Mode for a specific model.
Explains boiler operation sequence for Domestic Hot Water Mode.
Describes the frost protection function that activates the boiler below 5°C.
Explains automatic pump operation for protection every 24 hours.
Specifies gas rate requirements, pipe size, and testing procedures.
Details electrical supply, grounding, wiring, and installation codes.
States that no air vents are required in the installation room.
Discusses flue system requirements, warnings, and concentric system details.
Lists permissible equivalent flue lengths and bend specifications.
Describes the two-pipe system for flue and air, including installation notes.
Discusses installation options and insulation for vertical flue terminals.
Explains how to adjust split flue air control for performance optimization.
Provides guidelines and diagrams for flue terminal location according to CGA B149.
Lists minimum clearance distances for vent termination based on location.
Specifies requirements and considerations for boiler installation location.
Explains the design for a sealed central heating system and built-in components.
Details the procedure for filling and pressurizing the central heating system.
Warning against using toxic chemicals for boiler treatment in potable water.
Discusses boiler installation with refrigeration systems and protection measures.
Details the contents of the boiler packaging and unpacking procedure.
Illustrates and specifies minimum clearances needed for boiler servicing.
Shows required clearances for installing the boiler in a confined space.
Specifies clearances from combustible materials and site preparation.
Guides on positioning the boiler and marking holes for mounting and flue.
Instructions for lifting and securing the boiler onto the wall.
Details pipework connections, flushing, and valve fitting procedures.
Guides on connecting the electrical mains supply to the boiler's terminal block.
Step-by-step instructions for filling the heating system with water and venting.
Procedures for testing gas supply soundness and purging the system.
Overview of the boiler control panel and its functions.
Instructions for the initial lighting of the boiler and setting modes.
Details the procedure for adapting the boiler to different gas types.
Procedure for adjusting the boiler to nominal heat output.
Procedure for adjusting the boiler to reduced heat output.
Final checks after gas change and adjustments.
Steps for final commissioning, including system balancing and flushing.
Instructions for final assembly of the control panel and handover.
Key information to be provided to the end-user regarding operation and servicing.
Explains how the boiler operates in central heating mode.
Explains how the boiler operates in domestic hot water mode.
Describes the function of the built-in frost thermostat.
Explains the automatic pump operation for preventing stagnation.
Describes the low water cut-off device protecting the heat exchanger.
Step-by-step guide for installing the remote control on the boiler's front panel.
Instructions for mounting the remote control on a wall.
How to connect an optional relay card for multi-zone systems.
Details on connecting zones for multi-zone system control.
Critical checks and safety notes before performing boiler servicing.
Procedures for cleaning internal components of the boiler.
Instructions for draining the boiler's heating and hot water circuits.
Procedure for removing and replacing the heat exchanger.
Steps for removing and replacing the burner assembly.
Procedure for removing and replacing boiler injectors.
Instructions for removing and replacing ignition and flame sensing electrodes.
Procedure for removing the plate heat exchanger.
Guidance on replacing seals between manifolds and the heat exchanger.
Procedure for purging the DHW system to remove limestone deposits.
Steps for disassembling the DHW heat exchanger.
Instructions for cleaning the cold water filter.
How to access and navigate the information and advanced setting modes.
