Westermo ED-20 - Manual (Page 8)

8 6609-2222
5. Maintenance
No maintenance is required, as long as the unit is used as intended within the specified
conditions.
6. Installation
6.1 Mounting / Removal
Before mounting or removing the unit:
Prevent damage to internal electronics from electro-
static 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 elec-
trical 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.
CLICK!
!
10 mm *
(0.4 inches)
25 mm
25 mm * Spacing (left/right) recommended
for full operating temperature range