Westermo FD-20 - Manual (Page 9)

9 6630-2220
6, Installation
6.1 Mounting / Removal
Before mounting or removing the unit:
Prevent damage to internal electronics from electrostatic
discharges (ESD) by discharging your body to a grounding
point (e.g. use of wrist strap).
Prevent access to hazardous voltages by disconnecting the
unit from AC/DC mains supply and all other electrical
connections.
Mounting
This unit should be mounted on 35 mm DIN-rail which is horizontally mounted on a wall
or cabinet backplate.
This unit uses convection cooling.To avoid obstructing the airflow around the unit,
use the following spacing rules. Recommended spacing 25 mm (1.0 inch) above/below
and 10 mm (0.4 inches) left/right the unit.
Snap on mounting, see figure
Removal
Press down the black support at the back of the unit
using a screwdriver, see figure.
10 mm *
(0.4 inches)
CLICK!
!
25 mm
25 mm * Spacing (left/right) recommended
for full operating temperature range