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Cooling operation settings

Cooling operation parameters configured

Nibe · F1155 Heat Pumps

What does Cooling operation settings mean?

Settings for passive and active cooling modes, including start times, compressor speed, and mixing valve behavior, can be adjusted when cooling is activated.

Common Causes

  • Passive/active cooling enabled in menu 5.2.4
  • Room temperature sensor connected (for some settings)
  • Connected to multiple climate systems

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure passive/active cooling is activated in menu 5.2.4.

  2. 2

    Set 'start passive cooling' and 'start active cooling' based on degree minutes.

  3. 3

    Adjust 'compressor speed' for active cooling if applicable.

  4. 4

    If connected to multiple climate systems, enable 'close mix. valves in cool mode' to prevent condensation.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

AUX output configurationAUX output configured for specific functionAdditional heat blocked symbolAdditional heat blocked symbol — Immersion heater is not runningAlarm bell iconAlarm bell icon on display — An alarm condition is active
Source: Nibe F1155 Heat Pumps
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