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Siemens 331-2856, 332-2856 AP 331-3 manual

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Table of contents for the manual

  • Page 1

    POWERS™ Controls Technical Instructions Document No. 155-029P25 AP 331-3 December 3, 2004 No. 6 Pneumatic Damper Actuator 331-2793 Actuator 331-2857 Actuator with Clevis and Pin 331-3012 Extended Shaft and Frame Mounting Description The POWERS Controls No. 6 Pneumatic Da mper Actuator is a heavy-duty, rolling diaphragm, spring return actuator des[...]

  • Page 2

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Table 1. Product Numbers for No. 6 Pneumatic Damper Actuators. Product Numbers Nominal Spring Range Description Mounting Style 3-8 psi (21-55 kPa) 3-13 psi (21-90 kPa) 8-13 psi (55-90 kPa) Actuator, integral pivot Pivot 331-2793 331-27[...]

  • Page 3

    POWERS™ Controls No. 6 Pneumatic Damper Actuator Technical Instructions Document No. 155-029P25 December 3, 2004 Accessories Damper shaft extension kits: 1/2-inch (13-mm) diameter, 2-1/4 inch (57-mm) rod 331-631 (See TB-128 POWERS™ Controls Damper Shaft Extension Technical Bulletin 155-205P25) 1/2-inch (13-mm) diameter, 9-in ch (229-mm) long ho[...]

  • Page 4

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Actuator Sizing The quantity of actuators required depends on se veral torque factors. To determine the quantity of actuators required for the installation: 1. Obtain damper torque ratings (ft-lb/ft 2 ) from the damper manufacturer. 2.[...]

  • Page 5

    POWERS™ Controls No. 6 Pneumatic Damper Actuator Technical Instructions Document No. 155-029P25 December 3, 2004 Operation Standard Actuator (Figure 1) The air tubing from a controlling instrument is connected to the actuator’s upper housing. With no control pressure to the actuator, the compression spring forces the spring seat and actuator sh[...]

  • Page 6

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Table 4. Extended Shaft/Fram e Mounting Assemblies Components. Item Part No. Description Qty. Material 1 041-162J Nut 1 Steel 2 046-020K Lockwasher 1 Steel 3 047-061K Retaining E-ring 2 Steel 4 331-565 Pivot Post 1 Steel 5 041-142 Nut [...]

  • Page 7

    POWERS™ Controls No. 6 Pneumatic Damper Actuator Technical Instructions Document No. 155-029P25 December 3, 2004 One-Section Damper Kit 751 See Figure 4 and Figure 5 1. Attach the damper mounting bracket to the lower right-hand corner (or upper left-hand corner if necessary) of the damper section with the six screws provided. For Arrow United Ind[...]

  • Page 8

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Frame Mounting - Type A, Continued Tw o-Section Damper Kit 752 See Figure 6 and Figure 7 1. Follow the steps in One-Section Damper . 2. Attach the Damper Blade Clip to the damper blade in the second damper section. Repeat Step 2 in One[...]

  • Page 9

    POWERS™ Controls No. 6 Pneumatic Damper Actuator Technical Instructions Document No. 155-029P25 December 3, 2004 Frame Mounting - Type B See Figure 8 through Figure 10 1. Order one each of the following: Actuator assembly: 331-3011, 331-3012, 331-3013, or 332-3011 Mounting Lug: 331-569 2. Weld the mounting lug parallel and 5/16- inch (8 mm) from [...]

  • Page 10

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Frame Mounting - Type B, Continued Figure 9. Frame Mounting, Normally Open Damper. Figure 10. Frame Mounting, Normally Closed Damper. Actuator Mounting Figure 11. Actuator Mounting Plate 331-623 Pivot Shaft Locations. Dimensions in Inc[...]

  • Page 11

    POWERS™ Controls No. 6 Pneumatic Damper Actuator Technical Instructions Document No. 155-029P25 December 3, 2004 Dimensions Figure 13. Extended Shaft Remote Mounting w ith Travel Stops. Dimensions in Inches (Millimeters). Offset Mounting Bracket This bracket is designed to offset Universal Mounting Plate 331-623 or 331-623A from the ductwork. NOT[...]

  • Page 12

    Technical Instructions POWERS™ Controls No. 6 Pneumatic Damper Actuator Document No. 155-029P25 December 3, 2004 Information in this publication is based on cu rrent specifications. The company reserves the right to make changes in specifica tions and models as design improvements are introduced. POWERS is a trademark of Siemens Building Technol [...]