SAX Electronic Valve Actuator
Contents
1. AC 24 V Y Yvy 4040G01 Accessories A and or 1x ASC10 51 Auxiliary Switch AC 24 V 230 V 6 3 A v 1x ASC10 51 Auxiliary Switch AC 24 V 230 V 6 3J A Yy S1 S1 4040G04 4040G04 S3 S2 or 1 x ASZ7 5 Potentiometer SELV PELV 0 1000 Q 0 200 Q A 0 135 Q 1 P2 Q a Q T Figure 15 Application The wiring diagrams show all possible connections The application determines which connections are used Page 5 of 8 Document No 129 561 Installation Instructions June 11 2014 Manual Override Manual operation When pushing the manual adjuster down 1 it engages and the actuator can be manually operated When turning the manual adjuster in a clockwise counterclockwise direction 2 the actuator s stem extends retracts See Figure 16 An overload protection prevents damage to the manual adjuster Figure 16 Setting the position Upon actuation and locking the slide switch see Figure 17 the manual adjuster remains engaged When in this mode do not turn the manual adjuster Figure 17 Disengaging the setting When resetting the slide switch see Figure 18 the manual adjuster returns to Automatic Mode 4040J20 Figure 18 Page 6 of 8 Commissioning and Operation Function Check and Calibration Mechanical Check Prior to making the function check ensure that e Actuator is mechanically connected to a Siemens valve e Actuator is2. Wait until calibration is Calibration finished Blinking then green or red light In In manual mode iode Manual adjuster in MAN position Z Calibration error Start calibration again is lt A O Blinking Bibra Check valve actuator J foreign object f Off No power or Check operating Figure 19 Step 1 Bridge contact electronics faulty voltage During calibration the actuator detects the valve s end positions and files the exact stroke in its internal memory Calibration takes place in three phases 4040J40 If the actuator does not detect the second end position within an appropriate stroke range max 25 mm the first end stop will be adopted and the actuator H operates with a working range of 20 mm 0 4040Z20 SAX61 03U Function Check Perform the function check for modulating actuators after calibration with a point test according to the following table 100 e Actuator drives to Ho 1 retracting actuator stem Detection of upper end position e Actuator drives to Hio9 2 extending actuator Table 3 Modulating Function Check stem Detection of lower end position 7 c ti Acta Position e The detected values are stored 3 Then the SMESAN omar actuator follows
3. 2 08 Figure 21 SAX Dimensions in Inches Millimeters 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 registered trademark of Siemens Industry Inc Other product or company names mentioned herein may be the trademarks of their respective owners 2014 Siemens Industry Inc Siemens Industry Inc Your feedback is important to us If you have Document No 129 561 Building Technologies Division comments about this document please send them Printed in the USA 1000 Deerfield Parkway to sbt_technical editor us sbt siemens com Page 8 of 8 Buffalo Grove IL 60089 USA 1 847 215 1000
4. in Manual Operation mode The actuator can be operated with the help of the Manual Adjuster Manual Adjuster Actuator Response Action Turning in clockwise Actuator s stem direction extends Turning in counter Actuator s stem clockwise direction retracts NOTE Ensure that the actuator s and valve s stems are securely connected in all positions If the actuator is forced to travel beyond its end positions overload protection responds Electrical Check Prior to making the function check ensure that e Actuator is mechanically connected to a Siemens valve e Actuator is in Automatic Operation mode e Actuator and if required accessories are correctly fitted and connected e Power is applied Calibration SAX61 03U Only Calibration is required with modulating actuators and before the function check Calibration must be performed manually Prior to calibrating ensure that e Actuator is properly connected to a valve e Housing cover is removed e Power is applied If required calibration can be repeated any number of times Siemens Industry Inc Document No 129 561 Installation Instructions June 11 2014 To initiate the calibration process insert a flat blade Table 2 LED Indication and Status screwdriver into the calibration slot to short out the two Remarks sides of the slot See Figure 19 LED indication Operating state eenean ooo Automatic mode Normal Normal operation
5. pressure in the valve to drop Mounting Positions VEOR46R1 Figure 1 Acceptable Indoor Mounting Positions VEOR47RA Figure 2 Acceptable Outdoor Mounting Positions with Weather Shield for NEMA 3R Protection Page 1 of 8 Document No 129 561 Installation Instructions June 11 2014 Manual adjuster with slide switch Wiring knockouts E P E F G Status indication efras Vane siom coug Gwe o 4040J10_01 Installation 3 Pull the valve stem to the fully extended position Then slide the actuator on the valve bonnet See CAUTION A Do not damage or scratch the polished igure 9 surface of the valve stem Mounting an Actuator to a Valve 1 Ensure stem connection plate in the Valve Stem 1 A Coupling is in the OPEN position See Figure 3 4040J03 Figure 5 4 Completely close the bonnet connection U Figure 3 bracket See Figure 6 2 Open the bonnet connection U bracket See Figure 4 4040J02 4040J04 Figure 4 Figure 6 Page 2 of 8 Siemens Industry Inc NOTE Position the actuator to accommodate the wiring Hold the actuator in place while tightening the actuator U bracket bolt 5 Tighten the U bracket bolt using a 10 mm wrench or 4 mm Allen wrench to 5 Nm 44 in lbs torque See Figure 7 4040J05 Figure 7 6 Rotate the manual adjuster clockwise to manually extend the actuator shaft until it covers the head of the valve stem See Figure 8 404
6. 0J84 Figure 8 7 Close the stem connection plate securely over the valve stem See Figure 9 4040J07 Figure 9 Siemens Industry Inc 8 Document No 129 561 Installation Instructions June 11 2014 Secure the stem connection plate by tightening the bolt using a 10 mm wrench or 4 mm Allen wrench See Figure 10 4040J08 li Figure 10 The mounting is now complete Removing the actuator from a valve 1 Loosen the stem connection plate in the Valve Stem Coupling by loosening the bolt using a 10 mm wrench or 4 mm Allen wrench Open the stem connection plate over the valve stem Manually retract the actuator shaft by turning the Manual Adjuster counterclockwise until it reveals the head of the valve stem Loosen the U bracket using a 10 mm wrench or 4 mm Allen wrench Completely open the bonnet connection U bracket Push the valve stem to the fully retracted position Then slide the actuator off the valve bonnet Remove the actuator from the valve being careful not to damage the valve stem Close the bonnet connection U bracket Page 3 of 8 Document No 129 561 Installation Instructions June 11 2014 4040J39 Figure 11 SAX Actuator with Cover Removed Wiring Do not use autotransformers Use earth ground isolating step down Class 2 power supply transformers Determi
7. SIEMENS SAX Electronic Valve Actuator Product Description The SAX Electronic Valve Actuator requires a 24 Vdc or 24 Vac Class 2 supply signal to control a Flowrite 599 Series valve or a Siemens flanged Pressure Independent Control valve with a 3 4 inch 20 mm standard stroke Product Numbers SAX61 03U Proportional Control Actuator SAX81 03U Three position Control Actuator Warning Caution Notations WARNING Personal injury or loss of life may occur if you do not follow a procedure as specified CAUTION Equipment damage or loss of data may occur if you do not follow a procedure as specified CAUTION SAX Actuators can only be used for hot or chilled water or low pressure lt 15 psi steam installations Use on higher temperature systems will damage the actuator and lead to premature failure Required Tools 4 mm hex wrench or 10 mm wrench e Flat blade screwdriver or Phillips screwdriver to remove wiring compartment cover Expected Installation Time 30 minutes Wiring a factory installed actuator 45 minutes Field replacement of actuator Item Number 129 561 Rev BA Installation Instructions Document No 129 561 June 11 2014 Prerequisites NOTE Consult Technical Support if using with a TEC WARNING If mounting the actuator to a valve already in line either close the shut off valves in the piping upstream first then downstream or switch off the pump to allow the differential
8. low characteristic is determined by the valve body Table 1 DIP Switch Settings Positioning Position Flow Characteristic Signal Y Feedback Uy 0 to 10 0 to 10 Vdc Default Vdc i DC 4 to 0 to 10 Vdc Modified 1 Factor lt setting All DIP switches are set to OFF Siemens Industry Inc Wiring SAX61 03U v v VVA G Y ZM U GO Z A Figure 12 Connecting Terminals SAX61 03U System Neutral SN G_ System Potential SP A G Y Measuring neutral Position feedback 0 to 10 Vdc Positioning signal forced control Wiring Diagrams SAX61 03U AC 24V 4 20 mA DC 0 10V AC 24V v 0 1000 Q a i 0 GO U IM Vv DC 0 10 V Accessories and or 4040G03 1x ASC10 51 Auxiliary Switch 1x ASC10 51 Auxiliary Switch AC 24 V 230 V 6 3 A AC 24 V 230 V 6 3 A v v 2 Figure 13 Applications The wiring diagrams show all possible connections The application determines which connections are used A and B are optional auxiliary switches Siemens Industry Inc Document No 129 561 Installation Instructions June 11 2014 Wiring SAX81 03U F CONTROLLER ee ee 24 Vac EARTH GROUND ISOLATING CLASS 2 TRANSFORMER FOR 24 Vac POWER EAOT44A1 120 Vac Figure 14 Connecting Terminals SAX81 03U System potential SP Positioning signal actuator s stem extends Positioning signal actuator s stem retracts Wiring Diagrams SAX81 03U
9. ne supply transformer rating by summing total VA of all actuators used The maximum rating for a Class 2 step down transformer is 100 VA It is recommended that no more than 10 actuators are powered by one transformer Parallel Control of Actuators SAX81 0 3U Three position actuators must have their own specific controller SAX61 03U Up to 10 actuators can be driven in parallel from a single controller output with a rating of 1 mA Modulating actuators have an input impedance of 100KQ NOTE Use either a Phillips head screwdriver or a flat blade screwdriver to remove the wiring compartment housing cover for access to the terminal block and DIP switches Page 4 of 8 Plug in space for Potentiometer ASZ7 5 SAX81 03U only or Auxiliary switch ASC10 51 Plug in space for Function module AZX61 1 SAX61 03U only or Auxiliary switch ASC10 51 LED SAX61 03U only DIP Switches SAX61 03U only Calibration Slot SAX61 03U only Connection Terminals DIP Switch Setting SAX61 03U only Switch 1 Control Signal select between 0 to 10 Vdc or 4 to 20 mA input signal for terminal Y O to 10 Vdc default Switch 2 Flow Characteristic Do not change the flow characteristic switch The proper flow characteristic is designed into the Flowrite 599 Series valve NOTE Changing the default setting will modify an equal percentage valve to a linear flow characteristic When set to default the f
10. the applied control signal Terminals Response Observe the status indication LED during and after calibration See Figures Figure 20 and Table 2 Actuator s stem ee 13 6 mA extends 60 DN S Actuator s stem f gt 12 MA retracts 50 Z connected to Actuator s stem QG extends to 100 Z connected to Actuator s stem GO retracts to 0 Figure 20 Step 2 Check LED After successful completion of the function check the actuator is ready for normal operation 4040J33 SAX81 03U Function Check Perform the function check for three position actuators according to the following table Siemens Industry Inc Page 7 of 8 Document No 129 561 Installation Instructions June 11 2014 References Technical Instructions Flowrite 599 Series 155 506 SAX Electronic Valve Actuator Proportional Control Flowrite 599 Series 155 507 SAX Electronic Valve Actuator 3 position floating No voltage at Y1 and Actuator s stem maintains Control Y2 the position After successful completion of the function check the actuator is ready for normal operation Dimensions Table 4 Three Position Floating Function Check Wt FP a VEO336R2 Weight e fe fo ee oo gt e nie 6 8 1 2 9 53 4 88 5 91 2 68 3 23 3 15 3 94 3 94 1 87 4 1 242 124 150 8 2 80 100 100 200 1 85 oy a8 ae alam e De 267 154 300 200 100
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