Bray Series 70 Operation And Maintenance Manual
2nd generation electric actuator
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Also See for Series 70:
- User manual ,
- Installation, operation and maintenance manual (48 pages) ,
- Operation and maintenance manual (30 pages)
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Summary of Contents for Bray Series 70
- Page 1 SERIES 70 2ND GENERATION ELECTRIC ACTUATOR OPERATION AND MAINTENANCE MANUAL High Performance Company...
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Page 3: Table Of Contents
180 ( )....... explOded view and parTs lisT Of size eleCTriC 180 ( )......explOded view and parTs lisT Of size gear bOx fOr infOrmaTiOn On This prOduCT and OTher bray prOduCTs - www.bray.com please visiT us aT Our web page... -
Page 4: S Afety Instructions : Definition Of Terms
BRAY Series 70 Electric Actuator Operation and Maintenance Manual afety nStructIonS efInItIon of ermS reaD anD foLLoW tHeSe InStructIonS SaVe tHeSe InStructIonS WARNING indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. CAUTION indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. -
Page 5: Introduction
N.O. TORQUE SWITCHES (OPTIONAL) lectrical PeratiOn The motors used in the Bray Series 70 are either permanent echanical PeratiOn induction split capacitor design (single phase AC power), Mechanically, the ratio of the gearmotor determines the speed SCI (Three Phase AC Power) or PM (DC Power). Travel limit of the unit. -
Page 6: Manual Override Operation
NOTICE Ounting tO a alve All Bray Series 70 electric actuators are suitable for direct 18 AWG minimum wire is recommended for all field wiring. mounting on Bray butterfly valves. With proper mounting hardware, the S70 actuator can be installed onto other Note that the optional heaters use approximately 0.5 amps... -
Page 7: Multiple Actuator Wiring
BRAY Series 70 Electric Actuator Operation and Maintenance Manual ultiPle ctuatOr arallel iring CAUTION Do not connect more than one S70 actuator to a single SPDT switch. A voltage is present on the opposite winding to the powered one. If this winding is connected to another as shown in the INCORRECT diagram it will interfere with the motor performance. -
Page 8: Open Adjustments
BRAY Series 70 Electric Actuator Operation and Maintenance Manual See Appendix A for a complete list of basic tools ravel Witch adjuStMent Loosen the mechanical stop for the open position and rOcedure back it off, so that it does not interfere with actuator travel. -
Page 9: Torque Switches Operation
WitcheS CAUTION Torque switches are a factory installed and calibrated option available for all Series 70 units. Installation is simple, but Further disassembly of the unit requires special tools due to the requirement for special calibration equipment, it and procedures, and thus will not be covered in this is not recommended for field installation. -
Page 10: Heater
To prevent condensation from forming inside the actuator, Bray offers an optional heater. The heater is a PTC (Positive Disconnect all power to the unit. Temperature Coefficient) style which has a unique tempera- 1 Place the heater snugly into its mounting bracket until ture - resistance characteristic. - Page 11 COMMON ervO alibratiOn CLOSE NEUTRAL The calibration procedure defines the limits of operation of LIMIT OPEN LINE the Series 70 Actuator between the fully open valve position Power LIMIT and the fully closed valve position. The cams on the Series...
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Page 12: External Feedback Potentiometer
BRAY Series 70 Electric Actuator Operation and Maintenance Manual xternal ignal eedbacK OtentiOMeter et the OtentiOMeter Manually operate the actuator handwheel until the unit Potentiometers for external feedback can be field installed is in the fully closed position. on all continuous duty actuators. Actuators which are not... -
Page 13: Auxiliary Switch Configuration Chart
BRAY Series 70 Electric Actuator Operation and Maintenance Manual 12 & 30 OnfiguratiOn ON/OFF (Intermittent Duty Motor) with Main 2 Switch 2 Switch Switches (Standard OPEN and CLOSE switches) 2 Cams 2 Cams Standard Assembly P/N Standard Assembly P/N ON/OFF (Continuous Duty Motor) with Main... -
Page 14: Typical Wiring Diagrams Form C ( Spdt ) Switches On / Off Service
BRAY Series 70 Electric Actuator Operation and Maintenance Manual Field Wiring Actuator Wiring diagram for basic unit with C-Form (SPDT) travel switches. (Drawn for actuator in its fully closed condition.) Field Wiring Actuator Wiring diagram for unit with one set of “Voltage Free” C-Form (SPDT) open/close travel switches. -
Page 15: Typical Wiring Diagrams Modulating Service
BRAY Series 70 Electric Actuator Operation and Maintenance Manual FIELD WIRING ACTUATOR CLOSE N.O. (VOLTAGE FREE) BLUE OPEN N.O. (VOLTAGE FREE) BLUE NEUTRAL SINGLE PHASE LIVE POWER SUPPLY N.O. GROUND CALIBRATE N.C. STATUS AUX OPEN COMMON WHITE BLUE FEEDBACK ORANGE... -
Page 16: Adjustments , Calibration & Status Led Of Servo Pro
BRAY Series 70 Electric Actuator Operation and Maintenance Manual i. a djuSt the Pen and lOSe Peed Of yOur actuatOr he faSteSt clOSing SPeed Of yOur actuatOr iS Printed On the label Of the unit 1. Use the Close Speed trim pot to adjust the closing speed of your actuator (pot in the fully CCW position = fastest close speed). -
Page 17: Quick Connect Receptacles
For Mini or Euro receptacle Wrench, 1” • shielded. Wiring diagrams for plug-in receptacles for either the Bray Series 70 or the local control station will be provided as a separate diagram. Units ordered with nStallatiOn PrOcedure 1) Screw the receptacle into the actuator conduit entry pin connector receptacles factory installed are wired using teflon tape or similar. -
Page 18: Spinner
A spinner is available to ease and speed the manual over- modulating units. Optional key operated locking switches ride of the Bray Series 70 actuator. The 300 and 500 in.lb. are available. units mount the spinner on a lever which screws onto the Note: The control station used with On - Off S70 and that back of the handwheel. -
Page 19: Basic Tools
BRAY Series 70 Electric Actuator Operation and Maintenance Manual PPenDIx aSic OOlS OMMOn nitS Terminal connections, cam adjustment Screwdriver, tip flat tip blade 1/4” All switches, terminal strip, torque switch plate Screwdriver, No.1 phillips Switchplate screws, capacitor Screwdriver, No.2 phillips... -
Page 20: Actuator Troubleshooting Chart
BRAY Series 70 Electric Actuator Operation and Maintenance Manual PPenDIx ctuatOr rOubleShOOting hart rObleM OSSible cauSe OlutiOnS Actuator does not operate Override is engaged Push handwheel in all the way Wiring is incorrect Check wiring and power supply Actuator motor has reached its... -
Page 21: Servo Troubleshooting Chart
BRAY Series 70 Electric Actuator Operation and Maintenance Manual S70 S ervO rO trOubleShOOting chart Refer to the Servo Pro Operation Manual for more information. rObleM OSSible auSeS OSSible OlutiOnS Actuator moves back and forth Signal is fluctuating beyond Increase the deadband using the... -
Page 22: Exploded View And Parts List Of Size 003 And 005
BRAY Series 70 Electric Actuator Operation and Maintenance Manual PPenDIx erieS : 003 - 005 ON / OFF 30 MANUAL OVERRIDE SHAFT 1 POSITION INDICATOR COVER 31 SPRING PLUNGER 2 POSITION INDICATOR SEAL 32 MANUAL OVERRIDE SLEEVE 3 COVER FASTENING SCREWS... -
Page 23: Exploded View And Parts List Of Size 008, 012 And 020
BRAY Series 70 Electric Actuator Operation and Maintenance Manual erieS : 008 - 012 - 020 ON / OFF 30 MANUAL OVERRIDE SHAFT 1 POSITION INDICATOR COVER 31 SPRING PLUNGER 2 POSITION INDICATOR SEAL 32 MANUAL OVERRIDE SLEEVE 3 COVER FASTENING SCREWS... -
Page 24: Exploded View And Parts List Of Size 030, 050 And 065
BRAY Series 70 Electric Actuator Operation and Maintenance Manual erieS : 030 - 050 - 065 ON / OFF 30 MANUAL OVERRIDE SHAFT 1 POSITION INDICATOR COVER 31 SPRING PLUNGER 2 POSITION INDICATOR SEAL 32 MANUAL OVERRIDE SLEEVE 3 COVER FASTENING SCREWS... -
Page 25: Exploded View And Parts List Of Size 130 And 180 ( Electric )
BRAY Series 70 Electric Actuator Operation and Maintenance Manual erieS : 130-180 F 3:1 G ON / OFF 30 MANUAL OVERRIDE SHAFT 31 SPRING PLUNGER 32 MANUAL OVERRIDE SLEEVE 3 COVER FASTENING SCREWS 33 RETAINING RING 4 COVER 34 HANDWHEEL... -
Page 26: Exploded View And Parts List Of Size 130 And 180 ( Gear Box )
BRAY Series 70 Electric Actuator Operation and Maintenance Manual erieS 3:1 G ON / OFF 59 INDICATOR FASTENING SCREW 60 POSITION INDICATOR PLATE 61 POSITION INDICATOR GASKET 62 ACTUATOR/GEAR BOX GASKET 63 COVER 64 TRAVEL STOP BOLT 65 LOCK NUT... - Page 28 CONTROLS A Division of BRAY INTERNATIONAL, Inc. 13333 Westland East Blvd. Houston, Texas 77041 281/894-5454 FAX 281/894-9499 www.bray.com Bray is a registered trademark of BRAY INTERNATIONAL, Inc. ® © 2009 Bray International. All rights reserved. OM-70-001 08-2009...
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