Bray SERIES 70 Installation, Operation And Maintenance Manual
Electric actuator
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Also See for SERIES 70:
- Installation, operation and maintenance manual (48 pages) ,
- Operation and maintenance manual (30 pages) ,
- Technical manual (8 pages)
Related Manuals for Bray SERIES 70
Summary of Contents for Bray SERIES 70
- Page 1 SERIES 70 ELECTRIC ACTUATOR Installation, Operation and Maintenance Manual BRAY.COM THE HIGH PERFORMANCE COMPANY...
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Page 3: Table Of Contents
Series 70 – Size 008, 012, 020 – Electric Actuator Exploded View . . . . . . . . . . . . . . -
Page 4: Safety Instructions - Definition Of Terms
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Safety Instructions - Definition of Terms READ AND FOLLOW THESE INSTRUCTIONS SAVE THESE INSTRUCTIONS indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury. indicates a potentially hazardous situation which, if not avoided, may result in minor or moderate injury. -
Page 5: Part Numbering System Reference Chart
. In the declutchable Electrical Operation condition, the manual override drives the worm shaft The gear motors used in the Bray Series 70 are of when engaged . either permanent split capacitor (PSC) design (single... -
Page 6: Actuation
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Actuation Manual Operation Remote Operation The manual override operates similar to a watch adjusting knob . To engage the manual override, simply pull the handwheel to its outermost position . A yellow 1. -
Page 7: Servo Nxt
YELLOW NEUTRAL OR BLACK CLOSE MOTOR BLUE OPEN OPEN N.C. COM1 BLUE N.O. COM2 CLOSE CLOSE BLUE OPEN Figure 5 - Sample field wiring diagram for Series 70 actuator with Servo NXT. Actuator specific wiring diagram located inside actuator cover. -
Page 8: Storage
Installation, Operation and Maintenance Manual Storage Commissioning Mounting the Actuator All Bray Series 70 electric actuators are suitable for direct mounting on Bray butterfly valves . With proper Actuators are not weatherproof unless they are mounting hardware, the S70 actuator can be installed properly installed on the valve or prepared for storage. -
Page 9: Wiring The Actuator
DO NOT need adjustment. before installing or modifying any electrical wiring. Bray uses its patented cam design along with two SPDT 1 . Take the actuator cover off . The cover should be mechanical switches to set the ‘Open’ and ‘Closed’... -
Page 10: Setting Mechanical Travel Stops
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Setting Mechanical Travel Stops NOTICE Cam locking screw must be slackened before cam NOTICE adjustments and re-tightened after cam adjustments. If the unit came assembled to a valve, the stops have been factory-set and DO NOT need adjustment. - Page 11 Series 70 Electric Actuator Installation, Operation and Maintenance Manual 4 . Lock the travel stop bolt in position with the locknut . 5 . Manually drive the actuator to the ‘open’ position . 6 . Once the actuator is in the ‘open’ position, rotate the handwheel counterclockwise •...
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Page 12: Disassembly And Assembly
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Disassembly and Assembly 4 . To replace the switch plate: a . Engage handwheel . b . Place insert into the worm segment . Place and center shaft coupler onto insert . - Page 13 Series 70 Electric Actuator Installation, Operation and Maintenance Manual NOTE: Override switch assemblies are typically only removable after the switch plate has been removed . A specialty (short or 90°) screwdriver could be used for disassembly when the switch plate is still attached to the actuator base .
- Page 14 Series 70 Electric Actuator Installation, Operation and Maintenance Manual the end of the worm shaft . lubricated with grease . ii . Align the mounting hole on the gear and Place the worm wheel into the base, meshing shaft .
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Page 15: Field Or Factory Installable Options
Heater Figure 15. Fixed auxiliary switches installed in a S70 actuator. All Series 70 actuators can be fit with one set of fixed auxiliary switches . These are a single set of switches which activate 3° before the travel limit switches . -
Page 16: Torque Switches
Mechanical Torque switches are a factory installed and Figure 17. S70 with Control Station. calibrated option available for all Series 70 actuators . Switch 1 lets the operator choose between the following Installation is simple, but due to the requirement for... -
Page 17: Battery Backup Unit
Bray offers a factory installable Battery Backup Unit before installing or modifying any electrical wiring. (BBU) for the 24 V Series 70 electric actuator . In the event of power failure, the BBU will switch the The local control station is mounted to the S70 against actuator to battery power to reach its fail position . -
Page 18: Indication Of Remote Control
. 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 pin connector receptacles factory installed are wired and tested Receptacle Kit: •... -
Page 19: External Signal Feedback Potentiometer
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Raised green rib Figure 20. S70 with 5-pin receptacle and corresponding cord set. Installation Procedure: 1 . Screw the receptacle into the actuator conduit entry Figure 21. S70 Potentiometer installation. using Teflon tape or similar . -
Page 20: Basic Tools
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Appendix A Basic Tools Common To All Units Terminal connections, cam adjustment Screwdriver, ⁄ " [6 mm] flat tip blade All switches, terminal strip, torque switch plate Screwdriver, No .1 Phillips Switch plate screws, capacitor Screwdriver, No . -
Page 21: Actuator Troubleshooting Chart
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Appendix B Actuator Troubleshooting Chart Problem Possible Cause Solutions Override is engaged Push handwheel in all the way Wiring is incorrect Check wiring and power supply Actuator does not operate Actuator motor has reached its... -
Page 22: Series 70 - Size 003, 006 - Electric Actuator Exploded View
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Series 70 – Size 003, 006 – Electric Actuator Exploded View - Item 74 is optional. - Items 15, 16 and 17 are optional. - Item 22 is installed in units when... - Page 23 Series 70 Electric Actuator Installation, Operation and Maintenance Manual Item Item Description Description Indicator Cover Screws Manual Override Shaft Stub Lockwasher Manual Override Sleeve Position Indicator Cover O-Ring O-Ring O-Ring Cover Fastening Screws Retaining Ring Cover Handwheel O-Ring Spring Pin...
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Page 24: Series 70 - Size 008, 012, 020 - Electric Actuator Exploded View
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Series 70 – Size 008, 012, 020 – Electric Actuator Exploded View - Item 77 is optional. - Items 16, 17 and 18 are optional. - Item 76 is installed in units when... - Page 25 Series 70 Electric Actuator Installation, Operation and Maintenance Manual Item Item Description Description Indicator Cover Screws Manual Override Shaft Hub Lockwasher Spring Plunger Position Indicator Cover Manual Override Shaft Stub O-Ring Manual Override Sleeve Cover Fastening Screw O-Ring Cover O-Ring...
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Page 26: Series 70 - Size 030, 050, 065 - Electric Actuator Exploded View
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Series 70 – Size 030, 050, 065 – Electric Actuator Exploded View - Item 77 is optional. - Items 14, 15 and 16 are optional. - Item 76 is installed in units when torque switches are not required. - Page 27 Series 70 Electric Actuator Installation, Operation and Maintenance Manual Item Item Description Description Indicator Cover Screws Spring Pin Lockwasher Spring Plunger Position Indicator Cover Manual Override Shaft O-Ring Manual Override Sleeve Cover Fastening Screw O-Ring Cover O-Ring O-Ring Retaining Ring...
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Page 28: Series 70 - Size 130, 180 - Electric Actuator Exploded View
Series 70 Electric Actuator Installation, Operation and Maintenance Manual Series 70 – Size 130, 180 – Electric Actuator Exploded View - Items 12, 13 and 14 are optional. 28 29 30 34 35 46 45 42 41... - Page 29 Series 70 Electric Actuator Installation, Operation and Maintenance Manual Item Item Description Description Cover Fastening Screw Spring Pin Cover Handwheel O-Ring Manual Override Bushing Limit Switch Screw Thrust Washer Flat Insulation Washer Thrust Roller Bearing Main Open/Closed Limit Switches Thrust Washer...
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Page 30: Series 70 - Size 130, 180 - 3:1 Gear Box Exploded View
Series 70 Electric Actuator ERIES 70, SIZE -180 3: 1 GEAR BOX EXPLODED VIEW Installation, Operation and Maintenance Manual Series 70 – Size 130, 180 – 3:1 Gear Box Exploded View ITEM NO. DESCRIPTION FASTENING SCREW POSITION INDICATOR PLATE POSITION INDICATOR GASKET... - Page 31 Series 70 Electric Actuator Installation, Operation and Maintenance Manual Item Description Fastening Screw Position Indicator Plate Position Indicator Gasket Actuator/Gear Box Gasket Dowel Pin O-Ring Washer,Flat,Nylon Nut,Hex Bolt,Hex Hd Cover Washer, Conical Actuator/Gear Box Fastening Screw Output Gear Bearing Idler/Input Gear Bearing...
- Page 32 Chennai HEADQUARTERS All statements, technical information, and recommendations in this bulletin are for general use only . Consult Bray representatives Bray International, Inc. or factory for the specific requirements and material selection for your intended application . The right to change or modify 13333 Westland East Blvd .