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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 2

 

Siemens Industry, Inc. 

 

Specifications

 

 
Operating voltage 

24 Vac ± 20%, 24 Vdc, + 20%, -15% 

Frequency 

45 to 65 Hz 

Power supply 

Earth ground isolating, Class 2, 

 

 

 

24V transformer, 100 VA max. 

Power consumption - running 

 

SAS61.03U 

5.3 VA 

 

SAS61.33U 

5.9 VA

 

Power Requirements 

 

Control Characteristics 

 
Terminal 
Designation  

 

 

 

Control Signal 

0 to 10 Vdc, 4 to 20 mA 

 

 

Current draw 

≤0.1 mA for 0 to 10 Vdc control 

 

 

 

   

4 to 20 mA ± 1% for 4 to 20 mA control 

 

 

Input impedance 

>100K ohms  

 

Position feedback  

 

 

 

Voltage 

0 to 10 Vdc ± 1% 

 

 

 

Load impedence 

>10K 

Ω res. 

 

 

 

Current load 

1 mA max. 

 

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 spring 

Agency Approvals 

UL 

UL873 

cUL  

Certified to CSA C22.2 No. 24-93 

Environmental 
Conditions 

Ambient temperature 

 

Operation 

23°F to 131°F (–5°C to 55°C) 

 

Transport and storage 

–13°F to 158°F (–25°C to 70°C) 

Humidity 

<95% rh 

Max. permissible media temperature in valve 

34°F to 248°F (1°C to 120°C) 

Physical Characteristics 

 

Conduit opening 

Knockouts for standard 1/2-inch 

 

 

 

conduit connector 

Weight   

 

 

SAS61.03U  

0.9 lbs. (0.4 kg) 

 

SAS61.33U 

1.5 lbs. (0.68 kg) 

Dimensions 

See Figure 4 and Figure 5. 

Содержание MT SAS Series

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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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