13.6. Safety device13.6.1. Indoor unitIndoor unit Heat pump model CS-F14DD3E5 CS-F18DD3E5Cooling only modelFor fan motor protectionInternal OFF °C 135 135protector ON °C 85 85For condensation temperatureprotection control OFF °C 58 58Heat exchanger RESET °C 54 54thermistorFor P.C.B current protectionCurrent fuse CUT A 3.15 3.1513.6.2. Outdoor unitOutdoor unit Heat pumpmodel50Hz CU-B14DBE5 CU-B18DBE5For refrigerant cycleHigh pressure OFF MPa 4.15 4.15switch (63H1) ON MPa 3.05 3.05For compressorOver current protectionHeat pump model OFF A 8.5 12RESET - Automatic AutomaticDischarge temp protectionDischarge Compressortemperature OFF °C 114 114thermistor (Th1)Liquid compress protectionCrankcase heater Input power W 37 37 x 2Compressor protectionInternal protector OFF °C50Hz- 160ON °C50Hz- 90trip time 50Hz - 3-10sec/35ACompressor protectionOLP OFF °C50Hz145ON °C50Hz69trip time 50Hz 6-16sec/23.5A -For fan motor protectionInternal OFF °C 135 135protector (49F) ON °C 85 85Heating control (Heatpump only)Pressure switch OFF MPa - -(Fan speed) (63H2) ON MPa - -Cooling controlHeat exchanger Th 40°C → High speedTh < 40°C → 5 speed step controloutlet temp Control methodthermistor (Th2)For control protectionFuse CUT A 6.3 6.31MPa = 10.2kgf/cm 297
