INSTALLATION AND OPERATION INSTRUCTIONS
5-10
HC SERIES BOILERS HC 13-50, HC 23-84, HC 29-106, HC 20-125, HC 33-160
5.4.8 Hot Water Does Not Reach Temperature (this section is used with the DC
Series Boilers only)
POSSIBLE CAUSES SOLUTION
DHW ow too high. Adjust the inlet assembly, insert a ow restrictor.
Temperature setting for water circuit too low. Adjust the hot water circuit, depending on the desired temperature and
system conguration. See Table of Programmable Parameters in DC / HC
Controller Manual.
No heat transfer as a result of lime scale or
fouling in the heat exchanger DHW side.
Descale or ush the exchanger DHW side.
Cold water temperature <5°C.