Instruction manual

9
4) Installation
4.1 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 at 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 lm on the keypad.
RACK version: Install the rack in its slot in an
electrical bay or cabinet.
Q
N