diff --git a/src/config.hpp b/src/config.hpp
index 32c72a0..309ad7c 100644
--- a/src/config.hpp
+++ b/src/config.hpp
@@ -33,11 +33,11 @@
 
 // Air Conditioner Type for First and Second Year Classrooms
 #if AC_TYPE == AC_TYPE_M1M2
-#define AC_MIN_TEMP 16
-#define AC_MAX_TEMP 32
+#define AC_MIN_TEMP 15
+#define AC_MAX_TEMP 30
 #define AC_MODES 3
 #define AC_FAN_SPEEDS 4
-#define AC_MODE_NAMES {"off", "cool", "fan_only"}
+#define AC_MODE_NAMES {"off", "fan_only", "cool"}
 #define AC_FAN_SPEED_NAMES {"auto", "high", "medium", "low"}
 #endif