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Vaillant · Heat pumps · Vaillant aroTHERM plus with uniTOWER plus

S.34Heating mode: Frost protection

Name in the manufacturer's documentation (service manual): Heating mode: Frost protection[1]

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Sources

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  1. [1] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 56 official manufacturer document quote verified S.34 Heating mode: Frost pro
  2. [2] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 56 official manufacturer document quote verified If the measured outdoor temperature falls below XX °C, the
  3. [3] Vaillant uniTOWER plus VIH QW 190/6 E – Operating, installation and maintenance instructions (0020291525_05) (0020291525_05) , p. 56 official manufacturer document quote verified If the measured outdoor temperature falls below XX °C, the temperature of the heating circuit's flow and return is monitored