12012.23 External OFF/ON Control Communication circuit between indoor unit and external controller is as per below. Maximum length of communication cable is 50 meter. Control content:External Control Switch Control Panel OFF/ON Control Panel Power LED System StatusON ON ON ONON OFF OFF OFFOFF ON ON OFFOFF OFF OFF OFFRemocon Screen Display and Control Detail:When External SW connection select "YES" from remocon installer menu: Heating or Cooling system will operate normally if the External Switch signal is ON. Once the External Switch turn OFF, System Turn OFF (Heat pump, water pump, heater etc…) Remocon LED remain ON or OFF according to the current operation request. Pop up menu at remocon main screen as above screen to inform customer system stop by External Switch. It is possible to press cancel and return to main screen to do change of operation setting while waiting theExternal Switch turn ON back. Remocon LED will always follow the latest changes from remocon. If no action on remocon for continuous 5 minutes, the pop up screen will show again on the screen. But once the External Switch Turn ON back, pop up screen will disappear and system can operate normallyaccording to the latest operation setting and request.ExternalControllerPanasonicPCBCN-THERMO5V12V12micoREMOTE ONNONOONOFFOFFUNITOFFOFF OFFONCONTROLLERLEDREMOTECONTROLLERSIGNALEXTERNALCONTROLLERSWITCH23144 4010:34am , Mon18˚c˚c˚c˚c2Turned of by external switch.CANCEL
