Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuators
Document Number 155-173P25
May 19, 2014
Page 22 Siemens Industry, Inc.
Troubleshooting
WARNING:
To avoid injury or loss of life, pay attention to any hazardous voltage
(for example, 120 Vac) when performing checks.
• Check that wires are connected correctly.
• Check that offset (start point) and span are set correctly, if used.
• Use a Digital Multimeter (DMM) to verify that the operating voltage is within range.
• If the actuator is not working, check the damper for blockage. If blocked, remove the
obstacle and cycle the actuator power off and on. The actuator should resume normal
operating mode.
Dimensions
Figure 29. Dimensions of the ASK75.1U Weather Shield in Inches (Millimeters).
Figure 30. Dimensions of the ASK75.7U Weather Shield in Inches (Millimeters).
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