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Hm... om det är -20 ute så...? avfrostar den vart 40:e minut?Konstig styrning, den borde gå efter något slags DeltaT mellan förångare<->uteluft....
• Degree of frosting is expected by operation time, heat exchanger temperature and outdoor air temperature.• According to frosting conditions, deicing operation is effectively performed.1. Timer for deice control will function when outdoor heat exchanger temperature after continuous 40 minutesheating operation is below the primary judgment temperature. When the timer reaches 20 minutes or heat exchangertemperature is below the secondary judgment temperature, deicing operation will start.2. Four-way valve is switched and deicing is performed by cooling cycle.3. Deicing will be stopped when 12 minutes elapsed from starting of the operation or heat exchanger temperature reaches 17°C or more.