diff --git a/tcl/ma15.config b/tcl/ma15.config
index f2ea536..c85d700 100644
--- a/tcl/ma15.config
+++ b/tcl/ma15.config
@@ -48,8 +48,9 @@ makenv tcoil -driver mom -port ma15-ts:3003 {
 }
 
 makeLPR lpr lnv ma15-ts:3004 "/tcoil/tb /tcoil/ta /tcoil/tc /tcoil/td"
-lpr outmin 12
-lpr outmax 35
+# outmax must be lower than outmin as a lower T means higher flow (inversed from typical T control)
+lpr outmax 12
+lpr outmin 35
 lpr prop 0.5
 lpr int 600