Index: firmware/App/Controllers/Heaters.h
===================================================================
diff -u -r8116b493a8085f28f85e5a9e8ead7e18d0dc77a8 -ra3a396aa37fb562327f05e54990f06538c7617ed
--- firmware/App/Controllers/Heaters.h	(.../Heaters.h)	(revision 8116b493a8085f28f85e5a9e8ead7e18d0dc77a8)
+++ firmware/App/Controllers/Heaters.h	(.../Heaters.h)	(revision a3a396aa37fb562327f05e54990f06538c7617ed)
@@ -37,23 +37,23 @@
 /// Name of DD heaters
 typedef enum Heaters
 {
-    DD_PRIMARY_HEATER = 0,                      ///< DD primary heater
-    DD_HEATERS_FIRST = DD_PRIMARY_HEATER,       ///< First heater
-    DD_TRIMMER_HEATER,                          ///< DD trimmer heater
+    D5_HEAT = 0,                                ///< DD primary heater
+    DD_HEATERS_FIRST = D5_HEAT,                 ///< First heater
+    D45_HEAT,                                   ///< DD trimmer heater
     NUM_OF_DD_HEATERS,                          ///< Number of the heaters
 } DD_HEATERS_T;
 
 /// Heaters data structure.
 typedef struct
 {
-    F32 mainPrimayHeaterDC;                     ///< Main primary heater DC
-    F32 trimmerHeaterDC;                        ///< Trimmer heater DC
-    F32 primaryTargetTemp;                      ///< Primary heater target temperature
-    F32 trimmerTargetTemp;                      ///< Trimmer heater target temperature
-    U32 primaryHeaterState;                     ///< Primary heater state
-    U32 trimmerHeaterState;                     ///< Trimmer heater state
-    U32 primaryControlCounter;                  ///< Primary heater control interval count
-    U32 trimmerControlCounter;                  ///< Trimmer heater control interval count
+    F32 d5_HeaterDC;                              ///< Main primary heater Duty Cycle
+    F32 d45_HeaterDC;                             ///< Trimmer heater Duty Cycle
+    F32 d5_HeaterTargetTemp;                      ///< Primary heater target temperature
+    F32 d45_HeaterTargetTemp;                     ///< Trimmer heater target temperature
+    U32 d5_HeaterState;                           ///< Primary heater state
+    U32 d45_HeaterState;                          ///< Trimmer heater state
+    U32 d5_HeaterControlCounter;                  ///< Primary heater control interval count
+    U32 d45_HeaterControlCounter;                 ///< Trimmer heater control interval count
 } HEATERS_DATA_T;
 
 // ********** Public function prototypes **********