
Installation & Operation Manual
ECON actuator Fig. 7917EX, type ELSA50 – 260
www.eriks.com
Rev. 0 – April 10
th
, 2019
18
5. Modulating Control Board Adjustment
5.1 Modulating Control Board Surface
The layout is based on 115 / 230V voltage.
TC2 is utilized for sensing fully-closed stop point. Once the spring mechanism has been
released when power outage, the actuator will not drive under power again until it has reached
its fail stop position and TC2 trips.
TC1 ”OPEN ”
Clockwise: increase opening degree.
Counter-clockwise: decrease opening degree.
Note:
LS2 shall trip while TC2 reaches the end stop point.
TC3 & TC4 are optional, refer to section 4.4.1 and 4.4.2 for calibration.
6
7
8
9
10
11
12
5
4
3
2
1
P4 Terminal
Dip Switches
LD1 - LD9