b'COMMISSIONING EN5COMMISSIONING5 .1Safety during commissioningCAUTIONIt may be hazardous to assign activities to personnel that are not sufficiently qualified. It may CAUTION harm the operators themselves if they perform manoeuvres or operations incorrectly, with a serious impact on personal safety, things and property.CAUTIONInstallation, commissioning and maintenance activities must only be carried out by the personnel CAUTION of dedicated heating companies specifically qualified to perform these tasks.CAUTIONHot surfaces - Risk of burns!- Contact with components at high temperatures may cause more or less serious superficial burns.- Operators should wear suitable clothing and personal protective equipment.- They should ensure that all components are at ambient temperature before carrying out any maintenance operations.FUEL LEAKS- Fuel leaks may cause fire to break out.CAUTION - They may be toxic via inhalation and cause skin irritation in some individuals.- Act swiftly to remove the cause of the leak. If it is connected to a maintenance operation, use suitable personal protective equipment.5 .2Checks before commissioningThe following must be checked before initial commissioning: That the burner is assembled in accordance with the instructions given here That the burner is pre-set in accordance with the values in the adjustment table Setting the combustion components The boiler must be ready for operation, and the operating regulations for the heater must be observed All electrical connections must be correct The boiler and heating system must be filled with water and the circulating pumps must be in operation The thermostats and any other safety or limiting devices that might be fitted must be connected and operational The flue system must be unobstructed and the secondary air system, if available, must be operational An adequate supply of fresh air must be guaranteed The heat request must be available Fuel tanks must be full The fuel supply lines must be assembled correctly, checked for leaks and bled In the event the burner does not start on initial start-up following a long period of storage, the pump should be checked to ensure it is not blocked. See chapter on 5.6.4 Check pump rotation on page 39 A standard-compliant measuring point and analyser test point must be available, the flue system to the measuring point must be free of leaks to prevent anomalies in the measurement results.35/64'