Bray 71 Seires - Quick Start Guide

4
Series 71 – Modulating Controller - Electric Actuator
Installation, Operation and Maintenance Manual
3.0 QUICK START GUIDE
WARNING
Turn off all power and lockouttag out service panel before installing or modifying any
electrical wiring
Refer to the actuator manual before adjusting or replacing any actuator
components
 Terminate the customer connections at the S Servo terminals in
accordance with the actuator wiring diagram
a To reduce the propagation of noise on the customer cables power
lines and signal lines should not be routed together
b Signal lines should be shielded and the shield line should only be
grounded at one end preferably at the controller
 Apply power to the S Servo
a Verify that the Heartbeat LED is illuminated and flashing on and off
 Set the Input Command signal type
 Set the Feedback (Output) signal type
 Verify (or adjust) the travel limits in the actuator
a Bray actuators are shipped with the travel switches in the factory
default position – close travel limit set at  degrees and the open
travel limit at  degrees
b If the travel limit switch settings are moved from the factory default
position the feedback potentiometer may need to be adjusted for
autocalibration to complete
 Perform the Input Signal Calibration routine
 Perform the Autocalibration routine
a If autocalibration completes then the product is ready for service
b If autocalibration fails then move to step 
 Using the Input Command signal command the actuator to the fully
opened position
a Observe the S Servo as it operates and correct any faults that
occur Refer to the Troubleshooting guide for more information
 Using the Input Command signal command the actuator to the fully
closed position
a Observe the S Servo as it operates and correct any faults that
occur
 Return to Step 