
8) Installation
8.1 Mechanical installation
Choose a room with low temperature
variations away from any source of
electrical interference (contactors,
motors, etc.).
WALL-MOUNTED
version: Unscrew the
2 screws on the front, remove the cover
(for the lower cover, press on the 2 clips
(N) and slide it upwards). Disconnect
the flat jumpers (Q) (be careful to
connect them the same way round on
reassembly) and attach the SIGMA to
the wall. When your unit is in place,
remove the protective film on the
keypad.
RACK version
: Install the rack in its slot
in an electrical bay or cabinet.
24
Q
N