Index: firmware/App/Services/PIControllers.h
===================================================================
diff -u -r54f45c387430e440ab4607451fc84dea61f273f1 -rab304e2ca6e3e40ed8cb12650e9855ae0b9649d8
--- firmware/App/Services/PIControllers.h	(.../PIControllers.h)	(revision 54f45c387430e440ab4607451fc84dea61f273f1)
+++ firmware/App/Services/PIControllers.h	(.../PIControllers.h)	(revision ab304e2ca6e3e40ed8cb12650e9855ae0b9649d8)
@@ -33,10 +33,12 @@
 /// Enumeration of PI controllers.
 typedef enum ControllerList
 {
-    PI_CONTROLLER_ID_RO_PUMP = 0,                   ///< RO Pump controller
-    PI_CONTROLLER_ID_PRIMARY_HEATER,                ///< Primary Heater controller
-    PI_CONTROLLER_ID_TRIMMER_HEATER,                ///< Trimmer Heater controller
-    NUM_OF_PI_CONTROLLERS_IDS                       ///< Number of PI controllers
+    PI_CONTROLLER_ID_RO_PUMP = 0,                   ///< RO Pump controller.
+    PI_CONTROLLER_ID_PRIMARY_HEATER,                ///< Primary Heater controller.
+    PI_CONTROLLER_ID_TRIMMER_HEATER,                ///< Trimmer Heater controller.
+    I_CONTROLLER_ID_RO_PUMP_RAMP_UP,                ///< RO Pump controller during ramp up time.
+    PI_CONTROLLER_ID_DRAIN_PUMP,                    ///< Drain Pump controller.
+    NUM_OF_PI_CONTROLLERS_IDS                       ///< Number of PI controllers.
 } PI_CONTROLLER_ID_T;
 
 /// Enumeration of PI controller signals.