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Technical Instructions  

Powermite 599 Series MT Series SAS Electronic Valve Actuator 24V Proportional Control 

Document No. 155-682 
January 19, 2016 
 

Page 4

 

Siemens Industry, Inc. 

 

Wiring Diagrams 

 

G0 

Neutral (-) 

Hot (+) 

Positioning signal for 0 to 10 Vdc/4 to 20 mA 

Measuring neutral 

Position feedback 0 to 10 Vdc 

Positioning signal forced control AC/DC 

≤ 24V,  

0 to 1000 

Ω 

Figure 2.  Terminal Connections. 

 

 

 

WARNING: 

Terminal connection G is 24 Vac HOT, not ground.  

CAUTION: 

G0 and G must be properly wired for correct function and full life of the 
actuator. 

 

 

Figure 3.  Wiring Diagram. 

The diagram shows all possible connections. The application determines which 
connections are used. 

Start-up 

The valve body (normally open or normally closed) determines the action of the 
complete valve/actuator assembly. 

Troubleshooting 

 

Check wiring for proper connections and secure attachments.  

 

Check for adequate power supply. 

Summary of Contents for MT SAS Series

Page 1: ...n allows for repositioning Mechanical spring returns the valve to its normal fail safe position in power off conditions SAS61 33U Actuator only Application For use in small to medium HVAC installations with Powermite 599 Series terminal unit valves with a 7 32 inch 5 5 mm stroke requiring a minimum of 90 pounds force 400N They can be used in liquid and low pressure steam service applications Table...

Page 2: ...t load 1 mA max Z Forced control Resistance 0 to 1000Ω stroke proportional to R Z connected to G Max stroke 100 Z connected to G0 Min stroke 0 Voltage Max 24 Vac to 20 Max 24 Vdc 20 15 Current draw 0 1 mA Functional Operation Running time at 60 Hz 30 seconds Spring return SAS61 33U only 14 seconds Nominal stroke 7 32 inch 5 5 mm Nominal Force 90 lbs 400N Spring return SAS61 33U only Mechanical spr...

Page 3: ...o 10 Vdc signal U produces position feedback to the controller Mounting and Installation Figure 1 Acceptable Mounting Positions Mount the actuator in any position except with the actuator lower than the valve Figure 1 shows acceptable actuator mounting positions for water applications The recommended mounting position of the actuator for low pressure steam applications is between 45 and horizontal...

Page 4: ...AC DC 24V 0 to 1000 Ω Figure 2 Terminal Connections WARNING Terminal connection G is 24 Vac HOT not ground CAUTION G0 and G must be properly wired for correct function and full life of the actuator Figure 3 Wiring Diagram The diagram shows all possible connections The application determines which connections are used Start up The valve body normally open or normally closed determines the action of...

Page 5: ...spective owners 2016 Siemens Industry Inc Siemens Industry Inc Building Technologies Division 1000 Deerfield Parkway Buffalo Grove IL 60089 USA 1 847 215 1000 Your feedback is important to us If you have comments about this document please send them to sbt_technical editor us sbt siemens com Document No 155 682 Printed in the USA Page 5 Dimensions A B C1 C2 D E Inches 5 9 3 1 0 9 2 8 1 2 0 9 4 8 m...

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