Index: firmware/App/Controllers/DialysatePumps.h
===================================================================
diff -u -rd210786d6c7d75bb0b4d9e18efc40a01d85123fe -r97eba3d39e6ddf44276b77b1aea1171805ca142d
--- firmware/App/Controllers/DialysatePumps.h	(.../DialysatePumps.h)	(revision d210786d6c7d75bb0b4d9e18efc40a01d85123fe)
+++ firmware/App/Controllers/DialysatePumps.h	(.../DialysatePumps.h)	(revision 97eba3d39e6ddf44276b77b1aea1171805ca142d)
@@ -31,13 +31,13 @@
  */
 
 // ********** public definitions **********
-#ifdef __MAXON_SPEED_UPDATE__
-#define MIN_DIALYSATE_PUMP_RPM                  200                             ///< Minimum RPM target for dialysate pump (though zero is allowed if turning pump off).
-#else
-#define MIN_DIALYSATE_PUMP_RPM                  350                             ///< Minimum RPM target for dialysate pump (though zero is allowed if turning pump off).
-#endif
 
-#define MAX_DIALYSATE_PUMP_RPM                  2650                            ///< Maximum RPM target for dialysate pump.
+#define MIN_DIALYSATE_PUMP_RPM                  200                             ///< Minimum RPM target for D12 pump and D48 Diener 2000 pump.
+#define MAX_DIALYSATE_PUMP_RPM                  2650                            ///< Maximum RPM target for D12 pump and D48 Diener 2000 pump.
+
+#define D48_DIENER_1000_MIN_RPM                 134                             ///< Minimum RPM for D48 Diener 1000 pump (test config enabled).
+#define D48_DIENER_1000_MAX_RPM                 2770                             ///< Maximum RPM for D48 Diener 1000 pump (test config enabled).
+
 #define DEGAS_PUMP_TARGET_PRES_ADJ_THRESHOLD    -1.0F                           ///< Dialysate Pump(D12) target pressure threshold adjustment factor.
 
 #define MIN_DIALYSATE_FLOW_RATE                 ( 100.0F )                      ///< Minimum dialysate flow rate
@@ -84,6 +84,8 @@
 void execDialysatePumpController( void );
 SELF_TEST_STATUS_T execDialysatePumpSelfTest( void );
 
+U32 getD48MinPumpRPM( void );
+U32 getD48MaxPumpRPM( void );
 F32 getDialysatePumpTargetSpeed( DIALYSATE_PUMPS_T pumpId );
 F32 getDialysatePumpMeasuredSpeed( DIALYSATE_PUMPS_T pumpId );
 F32 getDialysatePumpTargetPressure( DIALYSATE_PUMPS_T pumpId );