SiBE12-908 Control SpecificationFunction and Control 463.8 Heating Peak-cut ControlOutline During heating operation, the signals being sent from the indoor unit allow the operatingfrequency limitation and prevent abnormal high pressure. (The signal from the indoor unit mustbe divided as follows.)Detail Conditions for Start ControllingJudge the controlling start with the indoor heat exchanger temperature after 2 minutes fromoperation start and seconds from changing number of operation room.Control in Each ZoneThe maximum value of heat exchange intermediate temperature of each indoor unit controls thefollowing (excluding stopped rooms).3.9 Fan ControlOutline Fan control is carried out according to the following conditions.1. Fan ON control for electric component cooling fan2. Fan control when defrosting3. Fan OFF delay when stopped4. ON/OFF control when cooling operation5. Fan control when the number of heating rooms decreases6. Fan control when forced operation7. Fan control in indoor / outdoor unit quiet operation8. Fan control during heating operation9. Fan control in the POWERFUL mode10.Fan control for pressure difference upkeepDetail Fan OFF Control when Stopped Fan OFF delay for 60 seconds must be made when the compressor is stopped.Tap Control in Indoor / Outdoor Unit Quiet Operation1. When Cooling OperationWhen the outdoor air temperature is higher than 37°C, the fan tap must be set to H.When the outdoor air temperature is 18 to 37°C, the fan tap must be set to M.When the outdoor air temperature is lower than 18°C, the fan tap must be set to L.2. When Heating OperationWhen the outdoor air temperature is lower than 4°C, the fan tap must be set to H.When the outdoor air temperature is 4 to 12°C, the fan tap must be set to M.When the outdoor air temperature is higher than 12°C, the fan tap must be set to L.When increase 30When decrease 2(R9851)Heat exchangerthermistortemperatureStop zoneDrooping zoneUp zoneReset zoneKeep zone65°C(Reference)55°C54°C52°C50°C
