Summary of Contents for Siemens Flowrite 599 Series
Page 1
The Flowrite 599 Series SKD6xU Electronic Valve Actuators require a 24 Vac supply and receive a 0 to 10 Vdc or a 4 to 20 mA control signal to proportionally control a valve. These actuators are designed to work with Flowrite 599 Series valves with a 3/4- inch (20 mm) stroke.
<32°F (0°C) requires a Stem Heater NEMA Rating NEMA 1 (interior only) Housing See Accessories. Dimensions See Figure 17 Miscellaneous Conduit opening 1/2-inch NPSM Weight SKD60U 7.9 lbs (3.6 kg) SKD62U 8.5 lbs (3.85 kg) Page 2 Siemens Industry, Inc.
Plastic wiring compartment cover 4-104 5634-8 Manual Override Kit for SKD 4-268 5504-8 Ultraviolet (UV) resistant cable ties (pkg. of 10) 538-996 WARNING: This product contains a spring under high compression. Do not attempt to disassemble the actuator. Siemens Industry, Inc. Page 3...
Y or Z (3), and the green LED now glows steadily (normal operation). Figure 10. · Throughout this procedure, output U is inactive; meaning, the values only represent actual positions when the green LED stops flashing and remains on continuously. Siemens Industry, Inc. Page 5...
Page 6
Inner valve jammed Check the valve · -Check mains No power supply · -Replace electronics Faulty electronics Override Control The override control input (Z) has three modes of operation: The Z-modes have a "direct acting" factory setting. Page 6 Siemens Industry, Inc.
Page 7
Outward (0 to 1): Valve opens between port NC and C. · Inward (1 to 0): Valve opens between ports NO and C. The measuring voltage at terminal U provides valve stem position feedback to an indicating instrument or building automation system. Siemens Industry, Inc. Page 7...
Page 8
100 VA power supplies. · The position output signal U will switch from 0 to 10 Vdc to 4 to 20 mA when a 4 to 20 mA input signal is selected and used on the Y terminal. Page 8 Siemens Industry, Inc.
Figure 15. Packing Heating Element 599-00417. Check that the wires are connected correctly and attached securely. Troubleshooting Check for adequate power supply. Check that the actuator is set for automatic operation. See the Start-Up section. Siemens Industry, Inc. Page 9...
Page 10
Technical Instructions SKD6xU Electronic Valve Actuators 24 Vac Proportional Control Document Number 155-180P25 February 28, 2018 Dimensions Figure 16. Dimensions of 599-10071 Weather Shield in Inches (Millimeters). Page 10 Siemens Industry, Inc.
Page 11
Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvements are introduced. Flowrite is a trademark of Siemens Industry, Inc. Other product or company names mentioned herein may be the trademarks of their respective owners.