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General| Type | Combi |
|---|---|
| Output | 40kW |
| ErP Efficiency Rating | A |
| Max. Central Heating Output | 40kW |
| Fuel Type | Natural Gas |
| Mounting | Floor Standing |
| Central Heating Flow Temperature Range | 30 - 80°C |
| Warranty | 5 years |
Specifies the boiler type: floor standing, RSF gas-fired combination.
Covers the essential procedures for installing, commissioning, and servicing the boiler.
Compliance with relevant installation regulations and standards.
Details on required voltage, frequency, cable type, and earthing.
Requirements for water supply connections and pressure.
Requirements for gas supply connection and checks.
Guidelines for installing the condensate discharge pipe.
Safe installation and positioning of the pressure relief pipe.
Minimum space required for boiler installation.
Minimum space required for servicing the boiler.
Safety warning to isolate gas supply before work.
Steps for connecting the gas and water pipes to the frame.
Table of minimum distances for flue terminals.
Crucial instruction for horizontal flues: rise away from boiler.
Step-by-step instructions for safely unpacking the boiler.
Warning about hazards before drilling into walls.
Essential safety measures to undertake during installation.
Procedure for correctly fixing the mounting frame.
Instructions for marking and creating the flue opening.
Adjustment for horizontal flue openings based on length.
Steps for inserting and securing the flue through wall opening.
Instructions for connecting the condensate waste pipe.
Safety warning to isolate supplies before making connections.
Step-by-step guide for connecting gas and water pipework.
Instructions for connecting the drain pipe to the relief valve.
Important safety notice about the pressure relief valve discharge.
Safety precautions before starting pre-commissioning checks.
Verify gas type matches supply and check for leaks.
Warning against starting an unpressurised or empty system.
Procedure to verify correct gas inlet pressure.
Crucial step to ensure correct gas pressure before proceeding.
How to turn on and control central heating.
How to adjust domestic hot water and tank temperatures.
Warning on impact of debris and water treatment on warranty.
Step-by-step guide for flushing the central heating system.
Procedure for adding inhibitor to the heating system.
Steps for completing handover to the user.
Safety warnings before performing any inspection or service.
Checks required after replacing components.
Mandate for service work to be done by competent personnel.
List of checks to perform during a routine inspection.
How to access and use the appliance's service functions.
Steps required to open the boiler for access.
Procedure to check the boiler's ionisation current.
Instructions for cleaning the primary heat exchanger.
Steps for inspecting and cleaning the burner.
Essential safety steps before replacing parts.
Instructions for refitting components using new seals.
Steps for safely draining the boiler.
Steps for accessing and replacing the PCB and transformer.
Steps for removing and replacing the condensate pump.
Procedure for replacing the circulating pump.
Steps for replacing the diverter valve.
General steps for replacing sensors.
Procedure for replacing the CH flow temperature sensor.
Steps for replacing the safety temperature limiter.
Procedures for replacing tank sensors and overheat thermostat.
Steps for replacing the flow sensor or regulator assembly.
Procedures for replacing flue and DHW temperature sensors.
Steps for replacing the DHW heat exchanger.
Steps for replacing the expansion vessel.
Procedure for replacing the pressure relief valve.
Steps for replacing the condensate trap.
Procedure for replacing the gas valve.
Steps for replacing the electrode assembly.
Procedure for replacing the burner.
Steps for replacing the primary heat exchanger.
Conditions requiring adjustment of CO2 settings.
Using an electronic tester for CO2 measurement and adjustment.
Mandatory requirements for qualified personnel and tools.
Procedure for measuring the CO2 level.
Adjusting CO2 level using gas valve screw for minimum output.
Steps to replace the code plug for LPG conversion.
Procedure to swap the gas pipe for LPG usage.
Guidance on adjusting CO2 level after LPG conversion.
Disclaimer on the scope and responsibility for fault finding.
Explanation of the boiler's fault code system.
Identifies the product as Greenstar Highflow 440.
Instructions for operating and caring for the appliance.
Highlights important safety measures.
Guidelines for installing the boiler on a suitable surface.
Minimum space needed for servicing the boiler.
Controls for central heating and hot water temperatures.
Procedure for powering the appliance on and off.
How to adjust the central heating water temperature.
How to adjust the domestic hot water temperature.
What to do if a fault occurs during operation.
Essential need for regular servicing beyond the guarantee period.
