Siemens OpenAir GLB141.1P Betriebsanleitung

Siemens Industry, Inc.

Technical Instructions

Document No. 155-785

January 20, 2017

OpenAir™Electronic Damper Actuators

GLB Series

Enhanced Non-spring Return Rotary

Description

The OpenAir direct coupled enhanced non-spring return rotary electric actuators are

designed for two-position/floating or modulating control of dampers.

Features

Selectable modulating control signal (0 to 10 Vdc or 2 to 10 Vdc).

24 Vac/dc compatible.

New line voltage (34x models) for 100 to 240 Vac two-position/floating control.

Integral 1/2-inch conduit connection.

Manual override.

Independently adjustable dual auxiliary switches available.

cUL and UL listed; certified

Application

These actuators are used in constant or variable air volume installations for control of

HVAC dampers requiring up to 88 lb-in (10 Nm) of torque.

Product Numbers Table 1.

Torque

Product Number

Control

Signal

Feedback

Dual

Auxiliary

Switches

Pre-Cabled

Power Supply

88 lb-in

(10 Nm)

GLB141.1P

2-position/

Floating

—

Plenum

24 Vac/dc

GLB141.1Q

—

6-ft length

GLB146.1P*

—

•

Plenum

GLB341.1U

—

Standard

100 to 240 Vac

GLB346.1U*

—

•

Standard

GLB161.1P

Modulating

0(2) to 10 Vdc

•

—

Plenum

24 Vac/dc

GLB166.1P*

•

Plenum

GLB161.1Q

•

—

6-ft length

* For conduit adaption, order an ASK76.1U Conduit Adapter. See Accessories.

Technical Instructions OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator

Document Number 155-785

January 20, 2017

Page 2 Siemens Industry, Inc.

Specifications

Power Supply

Operating voltage (G–G0) 24 Vac/dc +/-20%

100 to 240 Vac +/-10%

Frequency 50/60 Hz

Power consumption VA Watt

GLB14x 2.2 1.3

GLB34x 5.8 1.9

GLB16x 2.5 1.5

Control signal

Input signal (Y-G0)

Voltage-input 0(2) to 10 Vdc

Input resistance >100K ohms

Feedback signal

Position output signal (U–G0)

Voltage-output 0 to 10 Vdc

Maximum output current DC 1 mA

Equipment rating

Rating Class 2 according to UL, cUL

Class III per EN60730

Auxiliary features

Dual auxiliary switch contact rating 4A resistive, 2A inductive

Voltage

GLB1xx.1P 24 Vac/24 Vdc

GLB34x.1U 250 Vac

DC rating 12 to 30 Vdc

DC 2A

Switch Range

Switch A 0° to 90° with 5° intervals

Recommended range usage 0° to 45°

Factory setting 5°

Switch B 0° to 90° with 5° intervals

Recommended range usage 45° to 90°

Factory setting 85°

Switching hysteresis: 2°

Function

Torque 88 lb-in (10 Nm)

Runtime for 90° opening or closing 150 seconds

Nominal angle of rotation 90°

Maximum angular rotation 95°

Mounting

Shaft size: Minimum shaft length 3/4-inch (20 mm)

Figure 1. Acceptable Shaft Sizes.

Housing

Enclosure NEMA Type 2

IP54 according to EN60529

(Not with cable-up mounting

orientation)

Material Durable plastic

Gear lubrication Silicone-free

OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator Technical Instructions

Document Number 155-785

January 20, 2017

Siemens Industry, Inc. Page 3

Specifications, Continued

Ambient conditions

Ambient temperature

Operation -25°F to 130°F (-32°C to 55°C)

Storage and transport -40°F to 158°F (-40°C to 70°C)

Ambient humidity (non-condensing) 95% rh

Agency certification

UL listed to UL60730

cUL certified to Canadian

Standard C22.2 No. 24-93

These devices were approved for installation in plenum areas by Underwriters

Laboratories, Inc., per UL 1995.

EN60730-1, EN60730-2-14

Miscellaneous

Pre-cabled connection 18 AWG

Standard cable length 3 ft (0.9 m)

Life cycle Designed for 100,000 full strokes and

5 million repositions at rated torque

and temperature

Actuator Dimensions, inches (mm) 6.6 L × 2.8 W × 2.4 D

(166.7 L × 71 W × 61 D)

Packaging Dimensions, inches (mm) 6.5 L × 10.3 W × 3.1 D

(165.1 L × 261.1 W × 78.7 D)

Weight 1.35 lb (0.61 kg)

(with packaging) 1.91 lb (0.87 kg)

Accessories

NOTE: The auxiliary switches cannot be added in the field. Order the

product number that includes this option. See Table 1.

Figure 2. Conduit Adapter.

ASK76.1U: Provides a

connection between the

actuator and conduit for

actuator models with auxiliary

switches or built-in

potentiometers. All other

standard actuator models

have built-in conduit adapters.

Figure 3. Rotary-to-Linear.

ASK71.5: Allows a direct-coupled

actuator to provide an auxiliary linear

drive.

Technical Instructions OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator

Document Number 155-785

January 20, 2017

Page 4 Siemens Industry, Inc.

Accessories,

Continued

Figure 4. Rotary-to-Linear with Bracket.

ASK71.6: Allows economical mounting of

an OpenAir actuator to a variety of

surfaces.

Should be used in applications where the

actuator can be rigid-surface mounted

and a linear stroke output is needed.

Figure 5. Shaft Insert.

ASK78.3U: Shaft inserts for use with

3/8-inch (8 to 10 mm) diameter shafts.

(10/pk). Included in box with GDE/GLB

Series.

NOTE: Factory-installed 1/2-inch guide

must be removed prior to

installation.

Figure 6. 1/2-inch Shaft Guide.

985-101P25: Shaft guide, 1/2-inch (25/pk).

Factory-installed with GDE/GLB Series.

Figure 7. NEMA Type 4X Weather Shield.

ASK75.7U: GLB Actuators are UL listed to

meet NEMA Type 4X requirements (a

degree of protection against falling dirt, rain,

sleet, snow, windblown dust, splashing

water, hose-directed water, corrosion, and

damage from external ice formation) when

installed with an ASK75.7U Weather Shield

and outdoor-rated conduit fittings. This

weather shield may be mounted in any

orientation.

For dimensions, see Figure 27.

OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator Technical Instructions

Document Number 155-785

January 20, 2017

Siemens Industry, Inc. Page 5

Actuator

Components,

Continued

2-Position/

Floating

Figure 8. Parts of the Actuator.

Legend

1. Base plate

2. Positioning scale for angle of rotation

3. Rotation direction adjustment

4. Conduit adapter

5. Connection cable

6. Manual override

7. Coupling bushing

8. Factory-installed 1/2-inch guide

9. Auxiliary Switch A

10. Auxiliary Switch B

11. Position indicator

12. Adjustment lever with

locking screw (4 mm hex)

13. Set screw for mechanical

range stop (4 mm hex)

14. Mounting bracket

Technical Instructions OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator

Document Number 155-785

January 20, 2017

Page 6 Siemens Industry, Inc.

Actuator

Components,

Continued

Modulating

Figure 9. Parts of the Actuator.

Legend

1. Base plate

2. Positioning scale for angle of rotation

3. DIP switches

4. Cover for DIP switches

5. Conduit adapter

6. Connection cable

7. Manual override

8. Coupling bushing

9. Factory-installed 1/2-inch guide

10. Auxiliary Switch A

11. Auxiliary Switch B

12. Position indicator

13. Adjustment lever with

locking screw (4 mm hex)

14. Set screw for mechanical

range stop (4 mm hex)

15. Mounting bracket

Operation

A continuous 0 to 10 Vdc or 2 to 10 Vdc signal from a controller to wire 8 (Y) operates

the damper actuator. The angle of rotation is proportional to the control signal. A 0(2) 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 0position.

Life expectancy

An improperly tuned loop will cause excessive repositioning that will shorten the life of

the actuator.

OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator Technical Instructions

Document Number 155-785

January 20, 2017

Siemens Industry, Inc. Page 7

Auxiliary Switches

GLB146.1P, GLB346.1U, GLB166.1P

Figure 10 shows the adjustable switching values for auxiliary Switches A and B.

Actuator Scale:

Clockwise

Adjustment range for

Switches A and B

Setting interval: 5°

Switching hysteresis: 2°

Actuator Scale:

Counterclockwise

Figure 10. Adjustable Switching Values

for the Dual Auxiliary Switches.

NOTE: The auxiliary switch setting shafts rotate with the actuator. The scale is valid only

when the actuator is in the 0 position on clockwise motion.

Use the long arm of the †(AUX SWITCH ADJUSTMENT) to point to the position of Switch A. Use

the narrower tab on the red ring to point to the position of Switch B.

Rotation Direction

GLB14x.1P, GLB34x.1U

Two-position/Floating

Control

Figure 11. Setting the Rotation Direction.

Technical Instructions OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator

Document Number 155-785

January 20, 2017

Page 8 Siemens Industry, Inc.

Rotation Direction

Switch

Modulating

Counterclockwise Clockwise

Figure 12. Direction of Rotation Switch.

The factory setting is clockwise.

The direction of rotation switch should match the damper rotation movement.

Dual in-Line Package

(DIP) Switches

GLB16x.1P

Raise the protective cover from left to right to locate the DIP switches. See

Figure 8 for the location of the cover.

Modulating

control signal selection

Figure 13.

0-10 Vdc Position

(Factory Setting).

To change the control signal from the factory setting (0 to

10 Vdc), move the first DIP switch to the UP (2-10)

position.

Self-adapt Switch

Figure 14.

OFF Position

(Factory Setting).

The factory setting is 0(OFF).

When mechanical angle of rotation is limited, the self-adapt

switch (middle DIP switch) may be turned ON so that the

limited range will become the new 0 to 100% for the

actuator logic. In this case, 0 to 100% is not equal to 90°

CAUTION:

When turning the self-adaptive feature on or

after the software reset with the feature on, the

actuator will enter a five-minute calibration

cycle as the actuator adjusts to the rotation

limits of the system. A software reset happens

after power on or may be caused by

electrostatic discharge (ESD) at levels of 2kV

and above.

The self-adapt capability will scale the control signal

selected, either a 0 to 10 Vdc or a 2 to 10 Vdc signal, within

the adjusted mechanical range. The feedback signal will

also reflect the control signal selected, either a 0 to 10 Vdc

or a 2 to 10 Vdc.

OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator Technical Instructions

Document Number 155-785

January 20, 2017

Siemens Industry, Inc. Page 9

Sizing

The type of actuator required depends on several factors.

1. Obtain damper torque ratings (ft-lb/ft2or Nm/m2) from the damper

manufacturer.

2. Determine the area of the damper.

3. Calculate the total torque required to move the damper:

Total Torque =

SF eaDamper AringTorque Rat 1



1Safety Factor: When determining the torque of an actuator required,

a safety factor should be included for unaccountable variables such as

slight misalignments, aging of the damper, and so on. A suggested

safety factor is 0.80 (or 80% of the rated torque).

4. Select the non-spring return actuator type from Table 3.

Table 2.

Total Torque

Actuator

<44 lb-in (<5 Nm)

GDE

<88 lb-in (<10 Nm)

GLB

<132 lb-in (<15 Nm)

GEB

<221 lb-in (<25 Nm)

GBB

<310 lb-in (<35 Nm)

GIB

>310 lb-in >620 lb-in

(>35 Nm to >70 Nm)

Use tandem mounting bracket ASK73.1 with

any GIB1x actuator.

Mounting and

Installation

Place the actuator on the damper shaft so that the front of the actuator is

accessible. The label is on the front side. A mounting bracket is included with the

actuator.

The minimum damper drive shaft length is 3/4-inch (20 mm).

Observe the service envelope around the actuator as shown in Figure 28.

Detailed mounting instructions are included with each actuator.

1/2-inch Ø

Factory-Installed

Guide

3/8-inch Ø

Use the shaft insert supplied for any

3/8-inch (8 to 10mm) diameter shaft

5/8-inch Ø

Figure 15. Damper Shaft Sizes.

NOTE: For all damper shafts with the exception of the 1/2-inch round shaft: Remove

the 1/2-inch Ø factory-installed guide before installation.

Technical Instructions OpenAir™GLB Enhanced Non-Spring Return Rotary Electronic Damper Actuator

Document Number 155-785

January 20, 2017

Page 10 Siemens Industry, Inc.

Manual Override

To move the damper blades and lock the position with no

power present:

1. Slide the red manual override knob toward the back of

the actuator.

2. Make adjustments to the damper position.

3. Slide the red manual override knob toward the front of

the actuator.

Once power is restored, the actuator returns to automated

control.

Figure 16.

Manual Override.

Mechanical

Range

Adjustment

To mechanically limit the range of the damper blade, do the following:

1. Loosen the stop set screw.

2. Move the screw along the track to

the desired position, and fasten it

in place.

Figure 17. Moving the Mechanical Range Stop.

To use the entire 0(2) to 10V input signal to control the mechanically limited range,

see Figure 14 for setting self-adaptive features.

Example:

Stop set screw at 70°

Self-adapt switch ON

Input signal Y = 5 Vdc

The damper will be at 35° (50% of the adjusted range).

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 sum of the VA ratings of all actuators and all other components powered by one

transformer must not exceed the rating of the transformer.

It is recommended that one transformer power no more than 10 actuators.

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