TECHNICAL MANUAL - BVT Partners OÜ

(b) Sleep timer operation(c) OFF timer operation- 43 - '11 • SRK-T-105(8)Outline of heating operation(a) Operation of major functional components in heating modeHeatingThermostat ON Thermostat OFF FailureCompressorONOFFOFFIndoor fan motorONON(HOT KEEP)OFFOutdoor fan motorONOFF(few minutes ON)OFF4-way valveONONOFF(3 minutes ON)(b) Details of control at each operation mode (pattern)1) Fuzzy operationModelFan speedSRK63ZK-S SRK71ZK-S SRK80ZK-SAuto20~106rps20~116rps20~120rpsHI20~106rps20~116rps20~120rpsMED20~106rps20~116rps20~120rpsLO20~88rps20~98rps20~96rpsULO20~52rps20~58rps20~60rps2) Hot keep operation(c) Defrosting operation1)a)35b)35c)d) 2 2 0-5-10Defrost operationstart-15-20-20 -15 -10 -5 0 5 10Outdoor air temperature (℃)e)a) b) c) e)2)a)Outdoor heat exchanger temperature (℃)Defrost operation start temperature