 const int AC_TYPE  = 0;
 // 0 : TOWER
 // 1 : WALL
+//
+
+const int AC_HEAT = 0;
+// 0 : cooling
+// 1 : heating
 
 int AC_POWER_ON    = 0;
 // 0 : off

  ac_activate(27, 0);
  delay(5000);

  
  if ( r != o_r) {

    /*

  int AC_MSBITS1 = 8;
  int AC_MSBITS2 = 8;
  int AC_MSBITS3 = 0;
  int AC_MSBITS4 ;
  if ( AC_HEAT == 1 ) {
    AC_MSBITS4 = 4;
  } else {
    AC_MSBITS4 = 0;
  }
  int AC_MSBITS5 = temperature - 15;
  int AC_MSBITS6 ;

