11
Design / Functional Elements / Installation
Key
1
Indicator LEDs
Discharge control
Fill control
Malfunction
LED 1 – switchpoint 1
Highlevel alarm
Highlevel alarm
Multifunction
LED 2 – switchpoint 2
Pump ON
Pump OFF
Multifunction
LED 3 – switchpoint 3
Pump OFF
Pump ON
Multifunction
LED 4 – switchpoint 4
Lowlevel alarm
Lowlevel alarm
Multifunction
2
LED “Bus status”
3
LED “Power”
4
Enter button / test mode
5
Decrease button
6
Increase button
7
Program button
8
Code switch, 10 poles
9
Terminal strip
0
Screws for terminal strip
a
Enclosure
b
Supporting rail TS 35 x 15 to DIN EN 50022
Tools
n
Screwdriver (5.5/100)
Installation
NRS 2-40
Installation on mounting rail
1. Clip control unit onto mounting rail 35 x 15 mm
(DIN EN 50022).
2. Align control unit,
Fig. 7