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17 MAINTENANCE CHECKLIST
This Maintenance Checklist is to be verified in full by the competent person undertaking the annual service of the boiler.
Failure to maintain this equipment to the manufacturer’s instructions may invalidate the warranty but does not affect
statutory rights.
PERIODIC MAINTENANCE OF THIS EQUIPMENT IS ESSENTIAL FOR SAFETY & PRESERVATION OF THE
MANUFACTURER’S GUARANTEE.
GENERAL
Check location of boiler and that it is accessible
Check that boiler ventilation areas are not blocked or covered
Visual inspection of appliance for damage or signs or misuse
Remove boiler casings and inspect / clean
MAINS PRESSURE HOT WATER STORAGE SYSTEM
Check and clean filter
Manually check the operation of the temperature relief valve
Manually check the operation of the expansion relief valve
Check discharge pipes from temperature and expansion relief valves are free from obstruction and blockage and are not passing any water
Check the condition and if necessary descale the heat exchangers in hard water areas
Check that water pressure downstream of the pressure reducing valve is within the manufacturer’s limits
Check temperature set point is correct
Check the pressure on the air side of the expansion vessel. This must be done when the volume in the cylinder is cold
Check and advise the householder not to place any clothing or other combustible materials against or on top of this appliance
Complete the service record log
CENTRAL HEATING SYSTEM
Check and clean / replace any external filter system fitted in connection with the boiler
Manually check the operation of the heating 3 bar relief valve
Check discharge pipe from heating 3 bar relief valve is free from obstruction and blockage and is not passing any water
Check that the temperature set point is correct
Check the pressure on the air side of the heating expansion vessel. This must be done when the volume in the heating chamber is cold
Check pressure gauge is between 1 and 1.5 bar when cold. Top up if required.
Check quality of heating system water in accordance with inhibitor manufacturers guidelines
Check boiler visually for leaks and corrosion
Run boiler to ensure correct operation
Check for air in system and remove. Top up pressure afterwards as required
Check operation of any external controls connected to the boiler
Check and advise the householder not to place any clothing or other combustible materials against or on top of this appliance
Complete the service record log
ELECTRICAL
Check power rating of boiler
Confirm power rating of boiler is suitable for electrical installation
Check operation of RCD, MCB and local isolation switch
Check tightness of all circuit electrical connections
Check tightness of all power connections to boiler terminals
Check tightness of all factory connections to main terminals and contactor
Using a clamp meter, verify the power being drawn by the boiler is relative to the boiler power setting when operating at full demand
Check and advise the householder not to place any clothing or other combustible materials against or on top of this appliance
Complete the service record log
The manufacturer’s literature, including Installation Checklist and Service Record, has been explained and left with the customer
Yes
