Combination Clean and disinfect as necessary. If evidence Water shows that the unit regularly overflows hot water Heaters into the integral cold water header tank, instigate a temperature monitoring regime to determine the frequency and take precautionary measures as determined by the monitoring regime. water temperatures at an outlet to confirm the Monthly heater operates at 50-60C Cold Water Inspect cold water storage tanks and carry out Annually Tanks remedial works where necessary. Check the tank water temperature remote from the Annually (Summer) ball valve and the incoming mains temperature. or as indicated by Record the maximum temperatures of the stored temperature and supply water recorded by fixed maximum profiling. /minimum thermometers where fitted. Cold Water Check temperatures at sentinel taps. These outlets Monthly Services should be below 20c within two minutes of running the cold tap. To identify any local heat gain that might not be apparent after one minute, observe the thermometer reading during flushing. Take temperatures at a representative selection of Representative other points to confirm they are below 20C to create selection of other a temperature profile of the whole system over a sentinel outlets defined period. Peak temperatures or any considered on a temperatures that are slow to fall should be an rotational basis to indicator of a localised problem. ensure the whole system is reaching satisfactory temperatures for legionella control. Check thermal insulation to ensure it is intact and Annually. consider weatherproofing where components are exposed to the outdoor environment. Showers Dismantle and descale removable parts, heads, Quarterly or as and spray inserts and hoses where fitted. indicated by the rate taps. of fouling or other risk factors. POU (point Record the service start date and lifespan or end According to of use) date and replace filters as recommended by the manufacturers Filters manufacturer. guidelines. Base Visually check the salt levels and top up salt if Weekly depending Exchange required. Undertake a hardness check to confirm on the size of the Softeners operation of the softener. vessel and the rate of salt consumption. Service and disinfect Annually or according to manufacturers guidelines. Multiple use Back wash and regenerate as specified by the According to filters manufacturer. manufacturers guidelines.
Combination Water Heaters Clean and disinfect as necessary. If evidence shows that the unit regularly overflows hot water into the integral cold water header tank, instigate a temperature monitoring regime to determine the frequency and take precautionary measures as determined by the monitoring regime. water temperatures at an outlet to confirm the heater operates at 50-60C Monthly Cold Water Tanks Inspect cold water storage tanks and carry out remedial works where necessary. Annually Check the tank water temperature remote from the ball valve and the incoming mains temperature. Record the maximum temperatures of the stored and supply water recorded by fixed maximum /minimum thermometers where fitted. Annually (Summer) or as indicated by temperature profiling. Cold Water Services Check temperatures at sentinel taps. These outlets should be below 20c within two minutes of running the cold tap. To identify any local heat gain that might not be apparent after one minute, observe the thermometer reading during flushing. Monthly Take temperatures at a representative selection of other points to confirm they are below 20C to create a temperature profile of the whole system over a defined period. Peak temperatures or any temperatures that are slow to fall should be an indicator of a localised problem. Representative selection of other sentinel outlets considered on a rotational basis to ensure the whole system is reaching satisfactory temperatures for legionella control. Check thermal insulation to ensure it is intact and consider weatherproofing where components are exposed to the outdoor environment. Annually. Showers and spray taps. Dismantle and descale removable parts, heads, inserts and hoses where fitted. Quarterly or as indicated by the rate of fouling or other risk factors. POU (point of use) Filters Record the service start date and lifespan or end date and replace filters as recommended by the manufacturer. According to manufacturers guidelines. Base Exchange Softeners Visually check the salt levels and top up salt if required. Undertake a hardness check to confirm operation of the softener. Weekly depending on the size of the vessel and the rate of salt consumption. Service and disinfect Annually or according to manufacturers guidelines. Multiple use filters Back wash and regenerate as specified by the manufacturer. According to manufacturers guidelines.
att23843.docx