Samsung Electronics 244Piping DiagramFan Speed Controlƒ PurposeProvide automatic and manual fan speed control options, allowing users to obtain the desired fan speed.ƒ ConceptAuto control automatically adjusts the fan speed according to the indoor temperature and set temperature.Manual control adjusts the fan speed according to the fan speed selected by the remote control.ƒ Control specifications in detailIf automatic fan speed control mode is on in cooling mode, the fan speed changes as shown in the following charts.- Manual fan speed controlUser controlSystem control- Ultra Low : minimum step( * non feedback type : 5 step + Low step x 0.25)- Low Low : Low – 1 step ( * 1step : about 20rpm)- High High : High + 1 step- Ultra High : High + 2 step- Quiet mode : it can reduce the noise from fan motor during cooling or heating mode.- Fan feedback indoor unit(ex. RAC, 1way, 2way, 4way): Current Fan speed -1 step (1step = about 20 rpm)- Fan non feedback indoor unit(ex. duct) : H ױ M, M ױ L, L ױ LSet Temp.Indoor Temp.T+2T+3T+2T+1T+1THIGHHIGHHIGHHIGHLLLLLOWLOWMIDDLEMIDDLEMIDDLESetfan speed = LOWHowever, it varies with "Cold air prevention"of Indoor heat exchanger's temperatureconditions."Indoor Temp-(Set Temp=f)"* f (compensation temp. option) : 2/5KIn cooling mode In heating modeMIDDLE7-3 Functions (cont.)7-3-2-6 Indoor unit control (cont.)7-3-2 Control (cont.)
