SERVICE MANUAL - BVT Partners OÜ

(4) Defrosting operation(a)Outdoor heat exchanger temperature (℃)(b)'11 • SCM-SM-1104040Tho-R2Tho-ATho-R(Tho-A)(Tho-R) > = 0.44 × (Tho-A) + ATho-AA2 °C < = Tho-A 4(6.5)15 °C < = Tho-A < 2 °C 6(10.0)Tho-A < 15 °C 6(10.0)Note (1) Values in ( ) are for the model SCM100, 125.00-5-5-10-10Defrost operation-15startDefrost operationstart-15-20-20 -15 -10 -20 -5 0 5 10Outdoor air -20temperature -15(℃) -10 -5 0 5 10Outdoor air temperature (℃)Tho-R 22Tho-R20Tho-Rº SCM71, 80, 100, 1253Heating operationHeating operationMax. 12 minutes and 50 seconds2~7 minutes※Max. 12 minutes and 50 secondsHot keep operation2~7 minutes※Hot keep operation※ Depends on an operation condition, the time can be longer than 7 minutes.※ Depends on an operation condition, the time can be longer than 7 minutes.Outdoor heat exchanger temperature (℃)Defrost operation start temperatureDefrost operation start temperature