Warning Z1 Condensation temp. Outside control range — High condensation temperature

What does 5512 mean?

This warning is issued if the condensation temperature (JR1) exceeds the allowed range for more than 30 seconds. It typically indicates too low evaporating temperature relative to condensation temperature.

• Low outdoor temperature is the most likely cause.
• Too high flow or too low delta on the heating system.

Click steps to track your progress.

1. 1

   Check the outdoor temperature and consult the diagram in the installer guide.

2. 2

   If applicable, adjust the temperature/flow settings on the heating system.

3. 3

   Ensure the heating system is operating correctly and not experiencing unusually high flow rates.