diff -r 7a29f835e20a -r d694abd9d809 thermferm/rdconfig.c
--- a/thermferm/rdconfig.c	Mon Jan 21 17:11:50 2019 +0100
+++ b/thermferm/rdconfig.c	Thu Feb 07 14:59:47 2019 +0100
@@ -322,8 +322,10 @@
 	    }
 	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "MODE", "%s", UNITMODE[tmp3->mode] );
 	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "STAGE", "%s", UNITSTAGE[tmp3->stage] );
-	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "BEER_SET", "%.1f", tmp3->beer_set);
-	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "FRIDGE_SET", "%.1f", tmp3->fridge_set);
+	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "BEER_SET_LO", "%.1f", tmp3->beer_set_lo);
+	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "BEER_SET_HI", "%.1f", tmp3->beer_set_hi);
+	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "FRIDGE_SET_LO", "%.1f", tmp3->fridge_set_lo);
+	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "FRIDGE_SET_HI", "%.1f", tmp3->fridge_set_hi);
 	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "TEMP_SET_MIN", "%.1f", tmp3->temp_set_min);
 	    xmlTextWriterWriteFormatElement(writer, BAD_CAST "TEMP_SET_MAX", "%.1f", tmp3->temp_set_max);
 
@@ -569,8 +571,8 @@
 		 unit->cooler_address = unit->fan_address = unit->door_address = \
 		 unit->light_address = unit->psu_address = unit->profile_uuid = unit->profile_name  = NULL;
     unit->volume = unit->prof_peak_abs = unit->prof_peak_rel = 0.0;
-    unit->air_temperature = unit->beer_temperature = unit->chiller_temperature = unit->beer_set = \
-			    unit->fridge_set = unit->profile_inittemp_lo = unit->profile_inittemp_hi = 20.0;
+    unit->air_temperature = unit->beer_temperature = unit->chiller_temperature = unit->beer_set_lo = unit->beer_set_hi = \
+			    unit->fridge_set_lo = unit->fridge_set_hi = unit->profile_inittemp_lo = unit->profile_inittemp_hi = 20.0;
     unit->air_state = unit->beer_state = unit->chiller_state = 1; // missing
     unit->heater_state = unit->cooler_state = unit->fan_state = unit->door_state = \
 			 unit->light_state = unit->psu_state = unit->mode = unit->prof_state = unit->stage = 0;
@@ -799,16 +801,40 @@
 	    }
 	    xmlFree(key);
 	}
-	if ((!xmlStrcmp(cur->name, (const xmlChar *)"BEER_SET"))) {
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"BEER_SET"))) {	// Remove in 2020.
+	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+	    if (sscanf((const char *)key, "%f", &val) == 1)
+		unit->beer_set_lo = unit->beer_set_hi = val;
+	    xmlFree(key);
+	}
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"BEER_SET_LO"))) {
+	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+	    if (sscanf((const char *)key, "%f", &val) == 1)
+		unit->beer_set_lo = val;
+	    xmlFree(key);
+	}
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"BEER_SET_HI"))) {
 	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
 	    if (sscanf((const char *)key, "%f", &val) == 1)
-		unit->beer_set = val;
+		unit->beer_set_hi = val;
+	    xmlFree(key);
+	}
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"FRIDGE_SET"))) {	// Remove in 2020
+	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+	    if (sscanf((const char *)key, "%f", &val) == 1)
+		unit->fridge_set_lo = unit->fridge_set_hi = val;
 	    xmlFree(key);
 	}
-	if ((!xmlStrcmp(cur->name, (const xmlChar *)"FRIDGE_SET"))) {
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"FRIDGE_SET_LO"))) {
 	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
 	    if (sscanf((const char *)key, "%f", &val) == 1)
-		unit->fridge_set = val;
+		unit->fridge_set_lo = val;
+	    xmlFree(key);
+	}
+	if ((!xmlStrcmp(cur->name, (const xmlChar *)"FRIDGE_SET_HI"))) {
+	    key = xmlNodeListGetString(doc, cur->xmlChildrenNode, 1);
+	    if (sscanf((const char *)key, "%f", &val) == 1)
+		unit->fridge_set_hi = val;
 	    xmlFree(key);
 	}
 	if ((!xmlStrcmp(cur->name, (const xmlChar *)"TEMP_SET_MIN"))) {