diff --git a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.C b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.C
index f42bed3b2d..77fc1f26ca 100644
--- a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.C
+++ b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.C
@@ -31,6 +31,7 @@ License
 #include "surfaceFields.H"
 #include "syncTools.H"
 #include "pointFields.H"
+#include "sigFpe.H"
 
 // * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
 
@@ -329,6 +330,18 @@ Foam::dynamicRefineFvMesh::refine
                 continue;
             }
 
+            if (UName == "NaN")
+            {
+                Pout<< "Setting surfaceScalarField " << iter.key()
+                    << " to NaN" << endl;
+
+                surfaceScalarField& phi = *iter();
+
+                sigFpe::fillSignallingNan(phi.internalField());
+
+                continue;
+            }
+
             if (debug)
             {
                 Pout<< "Mapping flux " << iter.key()
diff --git a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.H b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.H
index 2dfe09d075..287e26ca7b 100644
--- a/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.H
+++ b/src/dynamicFvMesh/dynamicRefineFvMesh/dynamicRefineFvMesh.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2013 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -29,6 +29,37 @@ Description
 
     Determines which cells to refine/unrefine and does all in update().
 
+
+        // How often to refine
+        refineInterval  1;
+        // Field to be refinement on
+        field           alpha.water;
+        // Refine field inbetween lower..upper
+        lowerRefineLevel 0.001;
+        upperRefineLevel 0.999;
+        // If value < unrefineLevel unrefine
+        unrefineLevel   10;
+        // Have slower than 2:1 refinement
+        nBufferLayers   1;
+        // Refine cells only up to maxRefinement levels
+        maxRefinement   2;
+        // Stop refinement if maxCells reached
+        maxCells        200000;
+        // Flux field and corresponding velocity field. Fluxes on changed
+        // faces get recalculated by interpolating the velocity. Use 'none'
+        // on surfaceScalarFields that do not need to be reinterpolated, use
+        // NaN to detect use of mapped variable
+        correctFluxes
+        (
+            (phi none)  //NaN)   //none)
+            (nHatf none)   //none)
+            (rho*phi none)   //none)
+            (ghf none)  //NaN)   //none)
+        );
+        // Write the refinement level as a volScalarField
+        dumpLevel       true;
+
+
 SourceFiles
     dynamicRefineFvMesh.C