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1 Design and principle of operation . . . . . . . . . . . . . . . . . . . 4
1.1 Versions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.2 Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.1 Mounting position . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.2 Strainer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.3 Additional installation instructions . . . . . . . . . . . . . . . . . . . . 9
3 Attaching the actuator to the valve . . . . . . . . . . . . . . . . . . 10
3.1 Type 5757/-7 Controller with Electric Actuator . . . . . . . . . . . . . 10
3.2 Type 5724/5725 Controller with Electric Actuator . . . . . . . . . . . 10
4 Electrical connections . . . . . . . . . . . . . . . . . . . . . . . . . 11
4.1 Type 5757-7 Controller with Electric Actuator. . . . . . . . . . . . . . 11
4.2 Type 5757 Controller with Electric Actuator. . . . . . . . . . . . . . . 11
4.3 Type 5724/5725 Controller with Electric Actuator . . . . . . . . . . . 12
5 Manual override . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5.1 Type 5757/-7 Controller with Electric Actuator . . . . . . . . . . . . . 13
5.2 Type 5724/5725 Controller with Electric Actuator . . . . . . . . . . . 13
6 Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
7 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
8 Dimensions in mm and weights . . . . . . . . . . . . . . . . . . . . 16
9 Appendix. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
9.1 Wiring for Type 5757-7 . . . . . . . . . . . . . . . . . . . . . . . . 18
9.2 Wiring for Type 5757 . . . . . . . . . . . . . . . . . . . . . . . . . 20
9.3 Wiring for Type 5724/5725 . . . . . . . . . . . . . . . . . . . . . 22
2 EB 5766 EN
Contents
Typetest
The Type 5725 Controller with Electric Actuators with safety function used in
conjunction with Type 3222 Valves are typetested according to DIN 32730
by the German technical inspectorate TÜV.
Register number available on request.