07/2015
Temperature Difference Controller TDC 3
Page 8 of 47
C.1 Wall Installation
1. Unscrew cover screw completely
2. Carefully pull upper part of housing from
lower part.
3. Set upper part of housing aside, being sure
not to touch the electronics when doing so.
4. Hold the lower part of the housing up to the
selected position and mark the 3mounting
holes. Make sure that the wall surface is as
even as possible so that the housing does not
become distorted when it is screwed on.
5. Using a drill and size 6 bit, drill 3 holes
at the points marked on the wall and push
in the plugs.
6. Insert the upper screw and screw it in
slightly.
7. Fit the upper part of the housing and
insert the other two screws.
8. Align the housing and tighten the three
screws.
C.1.1
C.1.2