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Technical Instructions

Document No. 152-046P25

EA GGD-1

January, 9 2008

OpenAir™ GGD Electronic Damper Actuator

Designed for UL Listed Fire/Smoke and

Smoke Control Dampers

2-Position, 15-second Runtime

15-second Spring Return Time

N474

Siemens Building Technologies, Inc.

Description

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

are available as 24 Vac, 115 Vac, and 230 Vac models. They are intended for use on UL

listed smoke control dampers or combination fire/smoke rated dampers.

Features

• High temperature rated drive system.

• Reversible fail-safe spring return.

• All metal housing.

• Teflon® insulated lead wires.

• Mechanical range adjustment.

• Multiple shaft couplings available; will accommodate up to 1.05-inch shafts.

• Fifteen second nominal open time; 15-second nominal spring return time.

Application

This actuator is used for the control of dampers requiring up to 142 lb-in (16Nm) driving

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

fire/smoke HVAC dampers. This actuator is designed to meet the 1999 revisions to the

UL 555S and AMCA 500-D specifications. Minimum stall torque 350 lb-in.

Product Numbers

Table 1.

Type Rotation Shaft Adapter 24 Vac 115 Vac 230 Vac

Standard 95° Self-centering GGD121.1U GGD221.1U GGD321.1U

Eight pack of standard 95° Self-centering GGD121.1U/B GGD221.1U/B GGD321.1U/B

With oversize shaft adapter 95° Oversized GGD121.3U GGD221.3U GGD321.3U

1 2 3 4 5 6 7 8 9 10 11 12 13 ... 32 33

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