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Technical Instructions

Document No. 155-746

EA GND-1

March 17, 2005

OpenAir™ GND Series Electronic Damper Actuator

UL Listed Fire/Smoke and Smoke Control Dampers

2-Position, 15-second Run Time,

15-second Spring Return Time

N474

Description

The OpenAir™ direct coupled, fast-acting, two-position, spring return electronic actuators

are available as 24 Vac/dc, 120 Vac, and 230 Vac models. They are intended for use on

UL listed smoke control dampers and combination fire/smoke rated dampers.

Features

• Optional built-in auxiliary switches: Fixed switch points at 5° and 85 ° rotation.

• Optional built-in Electronic Fusible Link (EFL) capability with four temperature

ratings: 165°F (74°C), 212°F (100°C), 250°F (121°C), 350°F (177°C).

• Reversible fail-safe spring return.

• All metal housing.

• Pre-cabled Teflon® insulated lead wires.

• Fifteen-second operation at rated torque, temperature and voltage.

Application

This actuator is used for the control of dampers requiring up to 53 lb-in (6Nm) driving

torque. It is intended for control of UL listed smoke control dampers and combination

fire/smoke HVAC dampers. This actuator is designed to meet the 2002 revisions to the

UL 555/555S and the AMCA Standard 520 specifications.

Siemens Building Technologies, Inc.

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Indice de contenidos

Pagina 1 - Technical Instructions

Technical InstructionsDocument No. 155-746EA GND-1March 17, 2005OpenAir™ GND Series Electronic Damper Actuator UL Listed Fire/Smoke and Smoke Contr

Pagina 2 - Service

GGD Electronic Damper Actuator Designed for UL Listed Fire/Smoke Control Dampers Technical Instructions Document No. 152-046P25 January 9, 2008 S

Pagina 3

Technical Instructions GGD Electronic Damper Actuator Designed for UL Listed Fire/Smoke Control Dampers Document No. 152-046P25 January 9, 2008 I

Pagina 4

POWERS™ Controls Technical InstructionsDocument No. 155-146P25AP 331-1September 18, 2008No. 3 Pneumatic Damper Actuator 331-4312 Pivot Moun

Pagina 5 - (SUPPLY)

Technical Instructions POWERS™ Controls No. 3 Pneumatic Damper Actuator Document Number 155-146P25 September 18, 2008 Page 2 Siemens Building Tech

Pagina 6 - Wiring, Continued

POWERS™ Controls No. 3 Pneumatic Damper Actuator Technical Instructions Document Number 155-146P25 September 18, 2008 Siemens Building Technologies,

Pagina 7

Technical Instructions POWERS™ Controls No. 3 Pneumatic Damper Actuator Document Number 155-146P25 September 18, 2008 Page 4 Siemens Building Tech

Pagina 8 - Smoke Control Dampers

POWERS™ Controls No. 3 Pneumatic Damper Actuator Technical Instructions Document Number 155-146P25 September 18, 2008 Siemens Building Technologies,

Pagina 9

Technical Instructions POWERS™ Controls No. 3 Pneumatic Damper Actuator Document Number 155-146P25 September 18, 2008 Page 6 Siemens Building Tech

Pagina 10 - GREEN (GND)

POWERS™ Controls No. 3 Pneumatic Damper Actuator Technical Instructions Document Number 155-146P25 September 18, 2008 Siemens Building Technologies,

Pagina 11 - BROWN (L)

Technical Instructions POWERS™ Controls No. 3 Pneumatic Damper Actuator Document Number 155-146P25 September 18, 2008 Information in this publicatio

Pagina 12 - POWERS™ Controls

Technical Instructions OpenAir GND Series Electronic Damper Actuator UL Listed Fire/Smoke Control Dampers Document No. 155-746 March 17, 2005 Pr

Pagina 13 - Specifications

POWERS™ Controls Technical InstructionsDocument No. 155-032P25AP 331-2October 10, 2005 No. 4 Pneumatic Damper Actuator Actuator Assembly 331-

Pagina 14 - Accessories

Technical Instructions POWERS™ Controls No. 4 Pneumatic Damper Actuator Document Number 155-032P25 October 10, 2005 Page 2 Siemens Building Techno

Pagina 15 - Installation