cassette type&12;<*(16:,1*3. P16 and P17 are used for room card functionCIRCUIT DIAGRAM OF INDOOR UNITtransformerfiltermotorwired controllerremote controllerreceiver central controllerreceive boardfloat switchswing motor pump motorfan motorfan capacitorroom temp.sensorpiping temp.sensor1&1%0& &200&% %/500/&1)*:),/7(53&%3 33 13 / 3 1 3 13 13 13+($738033333+80, 333/+06:33&2006:0 0 <*/1<*0%83'2:17$9$&)86(&1)/2$7 &1&152203,3(21 21&1 5(027(&1$/$50 &1'225 &1 TO OUTDOORUNITPOWER SUPPLY:1PH,220-230V~,50Hz:%$%:&1&1&13 4 / 1%:&21752//(5&1)5(6+&1 2. Central controller and fresh air are optional. NOTE:1. Parts in dashed frame are factory optional . W:WHITE B:BLACK R:REDY:YELLOW OR:ORANGE BL:BLUEBR:BROWN Y/G:YELLOW/GREEN&1