Bray 70 Series Operation And Maintenance Manual

BRAY Series 70 Electric Actuator
Operation and Maintenance Manual
1
Table Of COnTenTs:
page
Safety inStructionS: definition of termS ..........................................................................2
introduction ...................................................................................................................3
principle of operation .....................................................................................................3
electrical operation ......................................................................................................3
mechanical operation .....................................................................................................3
manual override operation ...........................................................................................4
pre-inStallation Storage................................................................................................4
inStallation .........................................................................................................................4
mounting to a valve .......................................................................................................4
field wiring .....................................................................................................................4
multiple actuator wiring ...............................................................................................5
SerieS 70 on/off actuator with interpoSing relay board ............................................5
travel limit Switch and mechanical travel Stop adjuStment .....................................6
cloSe adjuStment ............................................................................................................6
open adjuStmentS ............................................................................................................7
baSic diSaSSembly and aSSembly inStructionS ................................................................7
field or factory inStallable optionS
torque SwitcheS operation .............................................................................................8
heater ..............................................................................................................................9
Servo pro module ............................................................................................................9
external feedback potentiometer ...............................................................................11
auxiliary SwitcheS .........................................................................................................11
battery backup unit ......................................................................................................12
auxiliary Switch configuration chart .........................................................................13
typical wiring diagramS form c (Spdt) SwitcheS on/off Service ................................14
typical wiring diagramS modulating Service ..............................................................15
adjuStmentS, calibration & StatuS led of Servo pro ..................................................16
quick connect receptacleS ...........................................................................................17
Spinner ............................................................................................................................18
local control Station ...................................................................................................18
appendix a
baSic toolS .....................................................................................................................19
appendix b
actuator troubleShooting chart .................................................................................20
Servo troubleShooting chart .......................................................................................21
appendix c
exploded view and partS liSt of houSing Size 6 ...........................................................22
exploded view and partS liSt of houSing Size 12 .........................................................23
exploded view and partS liSt of houSing Size 30 .........................................................24
exploded view and partS liSt of houSing Size 180 (electric) .....................................25
exploded view and partS liSt of houSing Size 180 (gear box) ....................................26
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Bray 70 Series Specifications

General

Brand	Bray
Model	70 Series
Category	Controller
Language	English