Index: firmware/App/DDCommon.h
===================================================================
diff -u -rf3746f881341ba8bc8302cbba7d0e22e7b930d90 -rba7e088fc3308f844ea30376a78e1da6d32621c1
--- firmware/App/DDCommon.h	(.../DDCommon.h)	(revision f3746f881341ba8bc8302cbba7d0e22e7b930d90)
+++ firmware/App/DDCommon.h	(.../DDCommon.h)	(revision ba7e088fc3308f844ea30376a78e1da6d32621c1)
@@ -51,6 +51,9 @@
 //Uncomment below to disable heaters debug message
 #define __HEATERS_DEBUG__         1
 
+//Uncomment below if D1 placement is used for Temp control at dialyzer
+#define __USE_D1_TEMP_     1
+
     #include <stdio.h>
     #include <strings.h>
 #endif