X18                       X14                         T12                        T15
------▏     ▏-----------------▏     ▏-------------------▏  /  ▏-----------------▏  /    ▏---------------------------------(     M26     ）
      水位最上限    ▏       自動                   水泵強制停止        水泵停止                ▏                           水泵啟動
       X17              ▏                                                                                              ▏
------▏     ▏-------  ▏                                                                                              ▏--------------------（ T22  K20）
    水位上限         ▏                                                                                             ▏                           水泵 啟動
                           ▏                                                                                              ▏
       M26             ▏                                                                                              ▏--------------------（T12 K1600）
------▏     ▏-------  ▏                                                                                                                           水泵強制停止    
    水泵啟動

        X16                                               M26
------▏     ▏-------------------------------------▏     ▏-------------------------------------------------------------------（    M28     ）    
    水位下限            ▏                          水泵啟動                                           ▏                                      水泵停止  
       M28                 ▏                                                                                   ▏                  
------▏     ▏------------                                                                                     -----------------------------（ T15  K20）
    水泵停止                                                                                                                                         水泵停止
        X17                                              X14  
------▏     ▏-------------------------------------▏     ▏--------------------------------------------------------------------（ T16  K80）
   水位上限                                          自動                                                                                   水位處上限最長時間

       X18                                               Y20
------▏     ▏-------------------------------------▏     ▏--------------------------------------------------------------------（ T20  K160）
     水位最上限                                   水泵 啟動                                                                        水位處最上限最長時間


        X14                       T22                                                             X25  
------▏     ▏-----------------▏     ▏-------------------------------------------------▏  /    ▏---------------------------------(     Y20     ）
      自動                     水泵 啟動          ▏                                    過熱繼電器動作                                 水泵 啟動                
       X15                                              ▏
------▏     ▏------------------------------------
       手動
            X14                      X15
---------▏  /  ▏-----------------▏  /    ▏-------------------------------------------------------------------------------------（ T28  K20）
          自動                       手動                                                                                                           ON 循環狀態停止

           T28                        X25                               T16                        T20
---------▏  /  ▏-----------------▏  /    ▏----------------------▏  /  ▏-----------------▏  /    ▏------------------------------（    M30     ）
ON 循環狀態停止     過熱繼電器動作      水位處上限最長時間     水位處最上限最長時間                   OFF報警
           M30
---------▏  /  ▏------------------------------------------------------------------------------------------------------------------(     Y22     ）
         OFF報警                                                                                                                                           報警