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OpenAir™

Technical Instructions

Document No. 155-318P25

EA GEB-1

May 19, 2014

GEB Series Non-spring Return, 24
Vac, 132 lb-in Rotary Electronic
Damper Actuators

Siemens Industry, Inc.

Description

The OpenAir direct-coupled, 24 Vac, non-spring return electronic actuator is
designed for modulating and floating control of building HVAC dampers.

Features

•

Brushless motor technology with stall protection

•

Unique self-centering shaft coupling

•

Manual override

•

132 lb-in (15 Nm) torque

•

5° preload as shipped from factory

•

Mechanical range adjustment capabilities

•

Offset and span adjustment models available

•

Models with independently adjustable, dual auxiliary switches available

•

Built-in 1/2-inch conduit connection

•

UL and cUL listed, CE certified

Application

Used in constant or variable air volume installations for the control of HVAC dampers
requiring up to 132 lb-in (15 Nm) torque.

Warning/Caution Notations

WARNING:

Personal injury/loss of life may occur if you do not follow a
procedure as specified.

CAUTION:

Equipment damage may occur if you do not follow a
procedure as specified.

Содержание OpenAir GEB Series

Страница 1: ...anual override 132 lb in 15 Nm torque 5 preload as shipped from factory Mechanical range adjustment capabilities Offset and span adjustment models available Models with independently adjustable dual auxiliary switches available Built in 1 2 inch conduit connection UL and cUL listed CE certified Application Used in constant or variable air volume installations for the control of HVAC dampers requir...

Страница 2: ... 1P GEB161 1U GEB164 1U Specifications Power Supply 24 Vac Operating voltage 24 Vac 20 Frequency 50 60 Hz Power consumption Running GEB16x 5 VA 4W GEB13x 3 VA 3W Holding GEB 16x 1 VA 1W Equipment rating Class 2 in accordance with UL CSA Class III per EN 60730 Control Signal Input signal wires 8 2 GEB16x Voltage input 0 to 10 Vdc max 35 Vdc Input resistance 100K ohms Feedback signal Position output...

Страница 3: ...n Standard C22 2 No 24 93 Conformity Low voltage directive 2006 95 EC Product safety Automatic electrical controls EN 60 730 2 14 for household and similar use Type 1 Electromagnetic compatibility EMC 2004 108 EC Immunity for all models except GEB132 xx EN61000 6 2 Immunity for GEB132 xx EN61000 6 1 Emissions for all models EN61000 6 3 Auxiliary features Control signal adjustment Offset start poin...

Страница 4: ...0 9m length Life cycle Designed for over 50 000 full strokes at rated torque and temperature Dimensions Inches mm 8 3 8 H 3 1 4 W 2 2 3 D 212 H 83 W 68 D Weight 2 2 lbs 1 kg Country of Origin USA Actuator Components Figure 1 Non Spring Return Actuator Components Legend 1 Actuator housing 2 Positioning scale for angle of rotation 3 DIP switches and cover 4 Span adjustment 5 Offset start point adjus...

Страница 5: ...fasteners 4614Z16 Figure 3 Rotary to Linear Crank Arm Kit ASK71 13 Allows a direct coupled actuator to provide an auxiliary linear drive Can be used to simultaneously drive a set of opposing or adjacent dampers with a single actuator Kit contains Crank arm to attach to the splined hub of the shaft adapter Mounting fasteners 4614Z18 Figure 4 Rotary to Linear Crank Arm Kit with Mounting Bracket ASK7...

Страница 6: ...tuator The angle of rotation is proportional to the control signal A 0 to 10 Vdc position feedback output signal is available between wire 9 U and wire 2 G0 to monitor the position of the damper motor In the event of a power failure the actuator holds its position In the event that only the control signal is lost the actuator returns to the 0 position GEB13x A floating control signal controls the ...

Страница 7: ...70Nm Use tandem mounting bracket ASK73 2U with any combination of GIB161 AND GIB166 actuators or use Master Slave Actuators See OpenAir Electronic Damper ActuatorsTechnical Instructions 155 542P25 Mounting and Installation Place the actuator on the damper shaft so that the front of the actuator is accessible The label and the manual override button are on the front side The minimum damper drive sh...

Страница 8: ...e 11 Figure 12 3 Return the actuator gear train to the 0 position using the steps that follow for the clockwise or counterclockwise damper shaft rotation Clockwise to open a Insert the shaft adapter to the right as close as possible to the raised stop See Figure 10 b Hold down the PUSH button and rotate the shaft adapter to the left until it stops See Figure 11 c Release the PUSH button d If the s...

Страница 9: ...Offset and Span The offset start point and span of the control signal can be adjusted The offset Uo can be adjusted between 0 to 5 Vdc The span U can be adjusted between 2 to 30 Vdc Ys Mechanical positioning range 100 angle of rotation 90 Yu Control signal Uo Offset start point U Span NOTE When the mechanical limitation of the angle of rotation and self adaptive function are ON 100 does not equal ...

Страница 10: ...n the 0 position on clockwise motion Use the adjustment tool provided with the actuator to turn the switch adjustment dials to the desired signal setting Factory setting Switch A 5 Switch B 85 Figure 15 Dual Auxiliary Switch Dials NOTE Use the long arm of the to point to the position of switch A Use the narrower tab on the red ring to point to the position of switch B DIP Switch Functionality GEB1...

Страница 11: ...ory setting 0 10 Vdc Positioning Control Signal GEB164 ADJ 0 10 Alternative settings ADJ Allows offset span adjustment capability 0 10V Ignores offset span capability and provides 0 10 Vdc input signal only Factory setting ADJ Wiring All wiring must conform to NEC and local codes and regulations Use earth ground isolating step down Class 2 transformers Do not use autotransformers The maximum ratin...

Страница 12: ...signations Each wire has the standard symbol printed on it See Table 3 Figure 17 Modulating 0 to 10 Vdc Control 24 Vac Power Supply Figure 18 Floating Control 24 Vac Power Supply Table 3 Actuators Symbol Function Terminal Designations Color 24 Vac Power Supply 1 Supply SP G Red 2 Neutral SN G0 Black 6 Control signal clockwise Y1 Violet 7 Control signal counterclockwise Y2 Orange 8 0 to 10 Vdc inpu...

Страница 13: ... returns to the 0 position 3 Check the Auxiliary Switch A a Set the DMM dial to ohms resistance or continuity check b Connect wires S1 and S3 to the DMM The DMM should indicate open circuit or no resistance c Apply a full scale input signal to wire 8 gray The DMM should indicate contact closure as the actuator shaft coupling reaches the setting of switch A d Connect wires S1 and S2 to the DMM The ...

Страница 14: ...tance or continuity check b Connect wires S1 and S3 to the DMM The DMM should indicate an open circuit or no resistance c Apply a control signal 24 Vac to wires 1 red and 6 violet The DMM should indicate contact closure as the actuator shaft coupling reaches the setting of switch A d Stop applying a control signal to wires 1 red and 6 violet e Connect wires S1 and S2 to the DMM The DMM should indi...

Страница 15: ...o any hazardous voltage Example 120 Vac when performing checks Check that the wires are connected correctly Check that auxiliary switches DIP switches and Offset Span are set correctly Set the DMM dial to Vac and 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 a...

Страница 16: ... of Siemens Schweiz AG Other product or company names mentioned herein may be the trademarks of their respective owners 2014 Siemens Industry Inc Siemens Industry Inc Building Technologies Division 1000 Deerfield Parkway Buffalo Grove IL 60089 4513 USA 1 847 215 1000 Your feedback is important to us If you have comments about this document please send them to technical editor sbt siemens com Docum...

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