Page 2 - Product Numbers; Operating; Warning/Caution Notations
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 2 Siemens Industry, Inc. Product Numbers Table 1. Operating Voltage Control Cables Built-in Control Options Product Number 24 V ac ± 20 % 24 V d c ± 10% 120 V ...
Page 3 - Specifications; operation; NOTE
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 3 Specifications Ambient Conditions Ambient temperature operation -25°F to 130°F (-32°C to 55°C) storage and transport -40°F to 158°F (-...
Page 4 - Continued
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 4 Siemens Industry, Inc. Specifications, Continued Mounting Nominal angle of rotation 90° Maximum angular rotation 95° Shaft size 3/8-inch to 1-inch (8 mm to 2...
Page 5 - for a listing of features per; Legend
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 5 Miscellaneous Pre-cabled connection 18 AWG Cable length 3 feet (0.9 m) Noise level <45 dBA (running) Life cycle Designed for over 6...
Page 6 - Accessories; Figure 5. Crank Arm Kit with
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 6 Siemens Industry, Inc. Accessories NOTE: The control signal adjustment cannot be added in the field. Order the product number that includes the option(s). Fi...
Page 7 - Figure 7. Tandem Mount; Bracket provides an extended anti-; For applications requiring single; Figure 9. NEMA 3R Weather; Figure 10. NEMA Type 4X; GCA Actuators are UL listed to
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 7 Accessories, Continued Figure 7. Tandem Mount Bracket. ASK73.2U: Bracket provides an extended anti- rotation pin allowing two OpenAir ...
Page 8 - 99 Ohm Resistor Assembly Kit.; Service Parts; GCA13x: Floating Control
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 8 Siemens Industry, Inc. Figure 11. Heater/Weather Shield Assembly. 985-106: Provides protection for GIB, GBB and GCA OpenAir actuators down to temperatures of...
Page 9 - Life expectancy
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 9 In the event of a power failure or when the operating voltage is shut off, all actuator models will return to the 0 position. In the e...
Page 10 - Settings
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 10 Siemens Industry, Inc. Settings Uo = 2Y; ∆ U = 16V Umin = minimum control signal Umax = maximum control signal Figure 15. Example. Dual Auxiliary Switch GCA...
Page 11 - Sizing; SF
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 11 Sizing The type of actuator required depends on several factors. 1. Obtain damper torque ratings (ft-lb/ft 2 or Nm/m 2 ) from the dam...
Page 12 - Mounting and Installation; Only Acceptable Mounting Position for NEMA Type 3R; See
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 12 Siemens Industry, Inc. Mounting and Installation Figure 17. Acceptable NEMA 2, IP54 per EN 60 529 Mounting Positions. Figure 18. Only Acceptable Mounting Po...
Page 13 - Table 3. Actuator Mounting Orientation and Damper Control.
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 13 Flip the actuator to select either clockwise or counterclockwise fail-safe rotation of the damper shaft. Follow Steps 1, 2, and 3 of ...
Page 14 - Manual override; Rotating; Always turn the key in the direction of the arrow.; Figure 20. Mechanical Range Adjustment.
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 14 Siemens Industry, Inc. Manual override Rotating Locking in place Releasing when power is absent Figure 19. Manual Override. Always turn the key in the direc...
Page 15 - Wiring; Implementation
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 15 Wiring All wiring must conform to NEC and local codes and regulations. Use earth ground isolating step-down Class 2 transformers. Do ...
Page 16 - Figure 22. Tandem Application DIP Switch Settings.
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 16 Siemens Industry, Inc. GCA15x.1x (0 to 10 Vdc or 2 to 10 Vdc) for Tandem Application (Master/Slave) Figure 22. Tandem Application DIP Switch Settings. • Aft...
Page 17 - Wire Designations; Each wire has the standard symbol printed on it. See Table 4.
OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Technical Instructions Document No. 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 17 Wire Designations Each wire has the standard symbol printed on it. See Table 4. Figure 23. GCA15x, GCA16x, Modulating Control. Figure...
Page 18 - b. Allow the actuator shaft coupling to rotate from 0 to 90°.
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuator Document No. 155-173P25 December 11, 2014 Page 18 Siemens Industry, Inc. Table 4. Wire Designations. Standard Symbol Function Terminal Designations Color Standard Plenum 1 Supply (SP) G Red Red 2 Neutral (S...
Page 19 - b. Connect wires S4 and S6 to the DMM.; Allow the actuator shaft coupling to rotate from 0 to 90°.
OpenAir™ GCA Series Spring Return 160 lb-in Electric Damper Actuators Technical Instructions Document Number 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 19 Start-Up/ Commissioning GCA12x (24 Vac/dc) GCA22x (120 Vac) (Continued) 4. Check the Auxiliary Switch B: a. Set the DMM dial to ohm...
Page 21 - Check the Auxiliary Switch A:; c. Apply the input signal as in; Wiring Diagram for Converting; Service
OpenAir™ GCA Series Spring Return 160 lb-in Electric Damper Actuators Technical Instructions Document Number 155-173P25 December 11, 2014 Siemens Industry, Inc. Page 21 Start-Up Commissioning GCA15x GCA16x (Continued) 4. Check the Auxiliary Switch A: a. Set the DMM dial to ohms (resistance) or conti...
Page 22 - Troubleshooting; Check that wires are connected correctly.; Dimensions
Technical Instructions OpenAir™ GCA Series Spring Return 160 lb-in Electronic Damper Actuators Document Number 155-173P25 December 11, 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 perf...
Page 23 - Dimensions, Continued
OpenAir™ GCA Series Spring Return 160 lb-in Electric Damper Actuators Technical Instructions Document Number 155-173P25 December 11, 2014 Information in this publication is based on current specifications. The company reserves the right to make changes in specifications and models as design improvem...