Panasonic CS-VZ9SKE Service Manual

Also see for CS-VZ12SKE: Operating instructions Operating instructions

Contents

Panasonic CS-VZ9SKE Service Manual Manual pdf 89 page image

8915.2.5 Dew Prevention Control 1 To prevent dew formation at indoor unit discharge area. This control will be activated if:o Outdoor air temperature and Indoor pipe temperature judgment by microcontroller is fulfilled.o When Cooling or Dry mode is operated more than 20 minutes or more. This control stopped if:o Compressor stopped.o Remote control setting changed (fan speed / temperature).o Outdoor air temperature and indoor intake temperature changed. Fan speed will be adjusted accordingly in this control.15.2.6 Odor Cut Control To reduce the odor released from the air discharge vent.o Start Condition AUTO FAN Speed is selected during COOL or DRY operation. During freeze prevention control and timer preliminary operation, this control is not applicable.o Control content Depends on compressor conditions:1. Compressor OFF → Compressor ON.The indoor unit fan stops temporarily and then starts to blow at minimum airflow for 40 seconds.2. Compressor ON → Compressor OFF.The indoor unit fan stops for 90 seconds and then blows at minimum airflow for 20 seconds.15.3 Protection Control for Heating Operation15.3.1 Overheating Protection by Intake Air Temperature DetectionCompressor will operate at limited freq., if indoor intake air temperature is 30°C or above.15.3.2 Overheating Protection by Outdoor Air Temperature Detection The Max current value is regulated when the outdoor air temperature rise above 16°C in order to avoidcompressor overloading.Current RegulatedFree Within Max Limit12°COutdoor air temperature16°C15.3.3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shownbelow. If the heat exchanger temperature exceeds 60°C, compressor will stop.OFFFrequency ReduceFrequency LimitedFreeIndoor HeatExchanger Temp.60°C51°C46°C55°C48°C