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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
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