Index: firmware/App/Controllers/ConductivitySensors.c
===================================================================
diff -u -r46db80caf660d4921badc04e4296a8a1312cb30c -r255e10103b009abce4489ebe0adda8d45137e2f1
--- firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 46db80caf660d4921badc04e4296a8a1312cb30c)
+++ firmware/App/Controllers/ConductivitySensors.c	(.../ConductivitySensors.c)	(revision 255e10103b009abce4489ebe0adda8d45137e2f1)
@@ -51,7 +51,6 @@
 #define MAX_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM      2000.0F                                     ///< Maximum allowed high conductivity value in uS/cm.
 #define MIN_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM      1990.0F                                     ///< Minimum allowed high conductivity value in uS/cm.
 
-#define MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM       200.0F                                      ///< Maximum allowed low conductivity value in uS/cm.
 #define MIN_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM       220.0F                                      ///< Minimum allowed low conductivity value in uS/cm.
 
 #define MAX_RO_ONLY_COND_SENSOR_CPI_HIGH_US_PER_CM      100.0F                                      ///< Maximum RO only mode high conductivity value in uS/cm.
@@ -149,6 +148,7 @@
 static DG_COND_SENSORS_CAL_RECORD_T condSensorsCalRecord;                                           ///< Conductivity sensors' calibration record.
 static DG_COND_SENSORS_TEMP_COMP_CAL_RECORD_T condSensorsTempCompCalRecord;                         ///< Conductivity sensors' temperature compensation calibration record.
 static CAL_DATA_DG_COND_SENSORS_T condSensorCalTable[ NUM_OF_CONDUCTIVITY_SENSORS ];                ///< Conductivity sensors calibration table.
+static F32 minInletWaterCondAlarmLimitUSPCM;                                                        ///< Min inlet water conductivity alarm limit in uS/cm.
 
 // ********** private function prototypes **********
 
@@ -172,8 +172,9 @@
 void initConductivitySensors( void )
 {
     U08 i;
-    roRejectionRatio       = 0.0F;
-    condDataPublishCounter = DATA_PUBLISH_COUNTER_START_COUNT;
+    roRejectionRatio                 = 0.0F;
+    condDataPublishCounter           = DATA_PUBLISH_COUNTER_START_COUNT;
+    minInletWaterCondAlarmLimitUSPCM = 0.0F;
 
     for ( i = 0; i < NUM_OF_CONDUCTIVITY_SENSORS; i++ )
     {
@@ -353,7 +354,7 @@
 
             if ( FALSE == isROOnlyModeEnabled() )
             {
-                isConductTooLow  = ( conductivity < MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM ? TRUE : FALSE );
+                isConductTooLow  = ( conductivity < minInletWaterCondAlarmLimitUSPCM ? TRUE : FALSE );
                 isConductTooHigh = ( conductivity > MAX_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM ? TRUE : FALSE );
             }
             else
@@ -374,7 +375,7 @@
                     }
 
                     // Per PRS 403
-                    checkPersistentAlarm( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_LOW_RANGE, isConductTooLow, conductivity, MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM );
+                    checkPersistentAlarm( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_LOW_RANGE, isConductTooLow, conductivity, minInletWaterCondAlarmLimitUSPCM );
 
                     if ( TRUE == isAlarmActive( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_HIGH_RANGE ) )
                     {
@@ -401,7 +402,7 @@
                     // Per PRS 403
                     checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_HIGH, isConductTooHigh, conductivity, MAX_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM );
                     // Per PRS 404
-                    checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_LOW, isConductTooLow, conductivity, MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM );
+                    checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_LOW, isConductTooLow, conductivity, minInletWaterCondAlarmLimitUSPCM );
                     break;
 
                 default:
@@ -413,10 +414,10 @@
     else
     {
         // VPI is closed - clear all alarms
-        checkPersistentAlarm( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_LOW_RANGE, FALSE, conductivity, MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM );
+        checkPersistentAlarm( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_LOW_RANGE, FALSE, conductivity, minInletWaterCondAlarmLimitUSPCM );
         checkPersistentAlarm( ALARM_ID_DG_INLET_WATER_CONDUCTIVITY_IN_HIGH_RANGE, FALSE, conductivity, MAX_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM );
         checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_HIGH, FALSE, conductivity, MAX_COND_SENSOR_CPI_WARNING_HIGH_US_PER_CM );
-        checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_LOW, FALSE, conductivity, MAX_COND_SENSOR_CPI_WARNING_LOW_US_PER_CM );
+        checkPersistentAlarm( ALARM_ID_DG_CLEANING_MODE_INLET_WATER_COND_TOO_LOW, FALSE, conductivity, minInletWaterCondAlarmLimitUSPCM );
     }
 }
 
@@ -452,6 +453,21 @@
 
 /*********************************************************************//**
  * @brief
+ * The setMinInletWaterConductivityAlarmLimitUSPCM function sets the min
+ * inlet water conductivity alarm limit in uS/cm.
+ * @details Inputs: none
+ * @details Outputs: minInletWaterConductivityAlarmLimitUSPCM
+ * @param conductivity value
+ * @return none
+ *************************************************************************/
+void setMinInletWaterConductivityAlarmLimitUSPCM( F32 valueUSPM )
+{
+    minInletWaterCondAlarmLimitUSPCM = valueUSPM;
+    SEND_EVENT_WITH_2_F32_DATA( DG_EVENT_MIN_INLET_WATER_COND_ALARM_FROM_HD_INSTIT_RECORD, minInletWaterCondAlarmLimitUSPCM, 0.0F )
+}
+
+/*********************************************************************//**
+ * @brief
  * The getConductivityValue function gets the compensated conductivity
  * value for a given conductivity sensor id.
  * @details Inputs: compensatedConductivityValues[]
Index: firmware/App/Modes/ModeInitPOST.c
===================================================================
diff -u -r6abb2df716c69d47f6093d2c34a1f9c89f439528 -r255e10103b009abce4489ebe0adda8d45137e2f1
--- firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 6abb2df716c69d47f6093d2c34a1f9c89f439528)
+++ firmware/App/Modes/ModeInitPOST.c	(.../ModeInitPOST.c)	(revision 255e10103b009abce4489ebe0adda8d45137e2f1)
@@ -272,6 +272,8 @@
             sendPOSTFinalResult( TRUE );
             // Request whether we are in the RO only mode from UI
             requestROOnlyModeStatusFromUI();
+            // Request the DG institutional values from HD
+            sendDGInstitutionalValuesRequestToHD();
             // Go to standby mode
             requestNewOperationMode( DG_MODE_STAN );
             break;
Index: firmware/App/Services/SystemComm.c
===================================================================
diff -u -rd4a77f3ce8f62c8911b1f4f3a673be6de802f50b -r255e10103b009abce4489ebe0adda8d45137e2f1
--- firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision d4a77f3ce8f62c8911b1f4f3a673be6de802f50b)
+++ firmware/App/Services/SystemComm.c	(.../SystemComm.c)	(revision 255e10103b009abce4489ebe0adda8d45137e2f1)
@@ -977,8 +977,8 @@
             handleSendDGServiceRecordToHD( message );
             break;
 
-        case MSG_ID_HD_MAX_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_RESPONSE:
-            handleMaxRORejectionResponseFromHDInstitRecord( message );
+        case MSG_ID_DG_INSTIT_VALUES_FROM_HD_INSTIT_RECORD_RESPONSE:
+            handleDGInstitutionalValuesResponseFromHDInstitRecord( message );
             break;
 
         // NOTE: This case must be last
@@ -1404,6 +1404,10 @@
                 handleTestRunModeFillForCalibrationCheck( message );
                 break;
 
+            case MSG_ID_DG_MODE_FILL_ENABLE_CHEMS_TEST:
+                handleTestEnableModeFillChemsTest( message );
+                break;
+
             default:
                 // TODO - unrecognized message ID received - ignore
                 break;
Index: firmware/App/Services/SystemCommMessages.c
===================================================================
diff -u -rd4a77f3ce8f62c8911b1f4f3a673be6de802f50b -r255e10103b009abce4489ebe0adda8d45137e2f1
--- firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision d4a77f3ce8f62c8911b1f4f3a673be6de802f50b)
+++ firmware/App/Services/SystemCommMessages.c	(.../SystemCommMessages.c)	(revision 255e10103b009abce4489ebe0adda8d45137e2f1)
@@ -1989,19 +1989,19 @@
 
 /*********************************************************************//**
  * @brief
- * The sendMaxRORejectionRatioRequestToHD function handles sending the max RO
- * rejection ratio request to HD
+ * The sendDGInstitutionalValuesRequestToHD function handles sending the
+ * request to the DG institutional values from HD
  * @details Inputs: none
  * @details Outputs: none
  * @return none
  *************************************************************************/
-void sendMaxRORejectionRatioRequestToHD( void )
+void sendDGInstitutionalValuesRequestToHD( void )
 {
     MESSAGE_T msg;
 
     // Create a message record
     blankMessage( &msg );
-    msg.hdr.msgID      = MSG_ID_DG_MAX_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_REQUEST;
+    msg.hdr.msgID      = MSG_ID_DG_INSTIT_VALUES_FROM_HD_INSTIT_RECORD_REQUEST;
     msg.hdr.payloadLen = 0;
 
     // Serialize the message (w/ sync, CRC, and appropriate CAN padding) and add serialized message data to appropriate comm buffer
@@ -2010,23 +2010,24 @@
 
 /*********************************************************************//**
  * @brief
- * The handleMaxRORejectionResponseFromHDInstitRecord function handles receiving
- * max RO rejection ratio response from HD institutional record
+ * The handleDGInstitutionalValuesResponseFromHDInstitRecord function handles
+ * receiving DG institutional values from HD institutional record
  * @details Inputs: none
  * @details Outputs: message handled
  * @param message a pointer to the message to handle
  * @return none
  *************************************************************************/
-void handleMaxRORejectionResponseFromHDInstitRecord( MESSAGE_T* message )
+void handleDGInstitutionalValuesResponseFromHDInstitRecord( MESSAGE_T* message )
 {
     BOOL status = FALSE;
 
-    if ( message->hdr.payloadLen == sizeof(F32) )
+    if ( message->hdr.payloadLen == sizeof(DG_INSTITUTIONAL_VALUES_T) )
     {
-        F32 roRejectionRatio;
+        DG_INSTITUTIONAL_VALUES_T institValues;
 
-        memcpy( &roRejectionRatio, message->payload, sizeof(F32) );
-        setMaxRORejectionRatio( roRejectionRatio );
+        memcpy( &institValues, message->payload, sizeof(DG_INSTITUTIONAL_VALUES_T) );
+        setMaxRORejectionRatio( institValues.maxRORejectionRatio );
+        setMinInletWaterConductivityAlarmLimitUSPCM( institValues.minInletWaterCondAlarmLimitUSPCM );
 
         status = TRUE;
     }
@@ -5220,4 +5221,27 @@
     sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
 }
 
+/*********************************************************************//**
+ * @brief
+ * The handleTestEnableModeFillChemsTest function handles a request
+ * to enable the mode fill chemicals test.
+ * @details Inputs: none
+ * @details Outputs: message handled
+ * @param message a pointer to the message to handle
+ * @return none
+ *************************************************************************/
+void handleTestEnableModeFillChemsTest( MESSAGE_T* message )
+{
+    BOOL result = FALSE;
+
+    // verify payload length
+    if ( 0 == message->hdr.payloadLen )
+    {
+        result = testSetEnableTestChemsCondValuesStatus();
+    }
+
+    // respond to request
+    sendTestAckResponseMsg( (MSG_ID_T)message->hdr.msgID, result );
+}
+
 /**@}*/
Index: firmware/App/Services/SystemCommMessages.h
===================================================================
diff -u -rd4a77f3ce8f62c8911b1f4f3a673be6de802f50b -r255e10103b009abce4489ebe0adda8d45137e2f1
--- firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision d4a77f3ce8f62c8911b1f4f3a673be6de802f50b)
+++ firmware/App/Services/SystemCommMessages.h	(.../SystemCommMessages.h)	(revision 255e10103b009abce4489ebe0adda8d45137e2f1)
@@ -207,11 +207,11 @@
 // MSG_ID_DG_START_STOP_NOCTURNAL_HEAT_DISINFECT
 void handleStartStopDGPassiveCoolHeatDisifnect( MESSAGE_T* message );
 
-// MSG_ID_DG_MAX_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_REQUEST
-void sendMaxRORejectionRatioRequestToHD( void );
+// MSG_ID_DG_INSTIT_VALUES_FROM_HD_INSTIT_RECORD_REQUEST
+void sendDGInstitutionalValuesRequestToHD( void );
 
-// MSG_ID_HD_MAX_RO_REJ_RATIO_FROM_HD_INSTIT_RECORD_RESPONSE
-void handleMaxRORejectionResponseFromHDInstitRecord( MESSAGE_T* message );
+// MSG_ID_DG_INSTIT_VALUES_FROM_HD_INSTIT_RECORD_RESPONSE
+void handleDGInstitutionalValuesResponseFromHDInstitRecord( MESSAGE_T* message );
 
 // *********** public test support message functions **********
 
@@ -560,6 +560,9 @@
 // MSG_ID_DG_RUN_MODE_FILL_FOR_CAL_CHECK
 void handleTestRunModeFillForCalibrationCheck( MESSAGE_T* message );
 
+// MSG_ID_DG_MODE_FILL_ENABLE_CHEMS_TEST
+void handleTestEnableModeFillChemsTest( MESSAGE_T* message );
+
 /**@}*/
 
 #endif