Troubleshooting And Remedy - Würth IVT Latento 500 Notice De Montage

10. Troubleshooting and remedy

Storage water not heating
 In case of conventional and regenerative reheating:
– Has the stainless steel heat exchanger been correctly connected?
– Check the boiler circuit for disturbances.
– Check pressure.
– Check circulating pump for function – trapped air.
– Check of regulation. Are heat generators, pumps and temperature
sensors connected correctly?
– Are the temperature sensors positioned at the right
height and functional?
Loss of storage water
 Is the storage tank cover closed with the clamps?
 Check the storage tank cover – tight?
 Is the drain valve on the lower front screw down mounting tight?
Pressure drop in the system
 Pressure drop in the first weeks through escaping dissolved
air is normal!
 Pressure fluctuations of up to 0.3 bar are normal during operation!
 Check system for leak tightness.
 Check safety valve for correct installation, leak tightness and function.
 Was the bleeding valve shut again after filling?
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