User manual HONEYWELL ML7435E DATASHEET

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Manual abstract: user guide HONEYWELL ML7435EDATASHEET

Detailed instructions for use are in the User's Guide.

[. . . ] ELECTRIC LINEAR ACTUATORS FOR MODULATING CONTROL SPECIFICATION DATA ML7430E/ML7435E FEATURES · · · · · · · · · · · · 0. . . 10 Vdc / 2. . . 10 Vdc signal input Fast run-time Low power consumption Quick and easy installation No separate linkage required No calibration Force-limiting end switches Spring return (ML7435E) Manual operator Synchronous motor Direct / reverse action adjustable Maintenance-free SPECIFICATIONS Temperature Limits Ambient operating limits Ambient storage limits Medium valve temperature 0. . . +50 °C at 5 to 95% rh -40. . . +70 °C at 5 to 95% rh max. +130 °C GENERAL The ML7430E and ML7435E Electric Linear Actuators are designed to provide modulating control in closed control loops together with the small linear valves V5832B/V5833A (DN25. . . DN40) and V5825B/V5872B for high-differential pressure. These valve-actuator combinations are suitable especially for integration into compact or conventional stations for direct or indirect district heating connections, air handling units and roof top units for zone control, and domestic hot water applications. [. . . ] Actuator and valve are directly connected by a nut. An integrated mechanism limits the stem force. Installed microswitches switch off the actuator precisely when the specified stem force is reached. The close-off position is self-adjusting by means of an automatic synchronization function. Synchronization is performed when the applied control signal is 0 V or 10 V. The actuator then checks its end position every 20 minutes. Any manual operation will be detected within 20 minutes, at the latest, and the actuator will return to its end position after that control cycle. Input Signal Range The range of the analog input signal Y (0. . . 10 Vdc or 2. . . 10 Vdc) can be selected by changing the position of jumper plug W2 (see Fig. The factory set is at 0. . . 10 Vdc. Direction of Action The direction of action (direct or reverse) can be selected by changing the position of jumper plug W1 (see Fig. It is set by the factory such that the stem extends at increasing signal and retracts at decreasing signal (direct action). W2 2. . . 10 V 0. . . 10 V W1 10 V 10 V Manual Operation for ML7430E The actuators are equipped with a manual operator. Manual operation is possible only after the power supply has been switched off or disconnected. It should be used only to check the valve operation. To operate, turn the manual operator knob clockwise to move the stem downward and counterclockwise to move the stem upward. Jumper plugs W1 and W2 NOTE: Jumper plugs W1 and W2 are accessible after the cover has been removed (see Fig. 1). Manual Operation for ML7435E The actuators are equipped with a manual operator (for 8 mm Hex Key). [. . . ] ML7435E (dimensions in mm) 33 3 EN0B-0260GE51 R0209 ML7430E/ML7435E ELECTRIC LINEAR ACTUATORS WIRING 0(2). . . 10 Vdc W2 W1 10 V 10 V 0(2). . . 10 Vdc 3 M Y 0% 100% Y 24 V 24 V ~ 2 24 V 1 24 V ~ Fig. Wiring Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Rolle, Z. A. La Pièce 16, Switzerland by its Authorized Representative: Automation and Control Solutions Honeywell GmbH Böblinger Strasse 17 71101 Schönaich Germany Phone: (49) 7031 63701 Fax: (49) 7031 637493 http://ecc. emea. honeywell. com Subject to change without notice. [. . . ]

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