Siemens OpenAir GIB Series Owner's manual

Technical Instructions
Document Number 155-177P25
EA GBB/GIB-2
June 22, 2015
OpenAir™ GBB/GIB Series
Electronic Damper Actuators
Non-spring Return 24 Vac, Floating Control, Rotary
Siemens Industry, Inc.
Description The OpenAir direct coupled 24 Vac, non-spring return (NSR) rotary electric actuator
is designed for floating control of building HVAC dampers.
Features •Unique self-centering shaft coupling
•All metal housing
•Manual override
•Independently adjustable dual auxiliary switches available
•Built in potentiometer option
•Two torque ranges available
•UL, CE and cUL listed
Application These actuators are used in constant or variable air volume installations for the
control of return air, mixed air, exhaust,
and face and bypass dampers requiring up to
221 lb-in (25 Nm) or 310 lb-in (35 Nm) torque.
Product Numbers
Table 1.
24 Vac Operating Voltage
Torque Cabling Standard Potentiometer
Only
Auxiliary
Switches
Only
221 lb-in (25 Nm) Standard GBB131.1U GBB132.1U GBB136.1U
Plenum GBB131.1P GBB132.1P GBB136.1P
310 lb-in (35 Nm) Standard GIB131.1U GIB132.1U GIB136.1U
Plenum GIB131.1P — GIB136.1P

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control
Document No. 155-177P25
June 22, 2015
Page 2 Siemens Industry, Inc.
Warning/Caution Notations
WARNING:
Personal injury/loss of life may occur if you do not perform a procedure
as specified.
CAUTION:
Equipment damage or loss of data may occur if you do not perform a
procedure as specified.
Specifications
Power supply
Operating voltage 24 Vac, ±20%
Frequency 50/60 Hz
Power consumption: 7 VA/7W
Equipment rating
Operating voltage Class 2, in accordance with UL/CSA
Plenum type actuators as whole device Class 2, in accordance with UL/CSA
Auxiliary features
Feedback potentiometer (GBB132x)
Sliding contact (P2) 0 to 1000 ohm
Load <1W
Voltage <24 Vac/dc
Control signal adjustment
Offset (start point) Between 0 to 5 Vdc
Factory setting 0 Vdc
Span Between 2 to 30 Vdc
Dual auxiliary switches
AC rating (standard cable) 24 to 250 Vac
AC 6A resistive
AC 2A general purpose
AC rating (Plenum cable) 24 Vac
AC 4A resistive
AC 2A general purpose
DC rating (Standard/Plenum cable) 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°
WARNING:
Apply only line voltage or only Class 2 voltage to the switching outputs of both
auxiliary switches A and B. Mixed operation is not permissible. See Wiring for
details.

OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control Technical Instructions
Document No. 155-177P25
June 22, 2015
Siemens Industry, Inc. Page 3
Specifications,
Continued
Function
Running torque
GBB… 221 lb-in (25 Nm)
GIB… 310 lb-in (35 Nm)
Runtime for 90° opening or closing 150 seconds at 50 Hz
125 seconds at 60 Hz
Nominal angle of rotation 90°
Maximum angular rotation 95°
Mounting
Shaft size 3/8 to 1-inch (8 to 25.6 mm) diameter
1/4 to 5/8-inch (6 to 18 mm) square
Minimum shaft length 3/4-inch (20 mm)
Housing
Enclosure NEMA 2 in vertical position to 90°
to the left and right of vertical
See Figure 14.
NEMA 3R rated when installed with
ASK75.1U Weather Shield in the
vertical position. See Accessories.
IP54 according to EN 60 529
Material Die-cast aluminum alloy
Gear lubrication Silicone-free
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 UL873
cUL certified to Canadian Standard
C22.2 No. 24-93
CE conformity:
Electromagnetic compatibility 2004/108/EC
Low-voltage directive 2006/95/EC
Miscellaneous
Pre-cabled connection 18 AWG
Cable length 3 feet (0.9 m) length
Life cycle Designed for over 60,000 full strokes
and a minimum of 1.5 million
repositions at rated torque and
temperature
Noise level <45 dBA (running)
Dimensions See Figure 26.
Weight 4.4 lbs (2 kg)

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control
Document No. 155-177P25
June 22, 2015
Page 4 Siemens Industry, Inc.
Accessories NOTE: Neither the auxiliary switches nor the feedback potentiometer can be added in
the field. Order the product number that includes these options.
Figure 1. Floor Mount Kit.
ASK71.1U:
Allows foot mounting of the
OpenAir actuators. Kit should be used for
in
-the-air stream applications or anywhere
a foot
-mounted actuator can be mounted.
Kit contains:
•Crank arm for changing angular
rotation into a linear stroke
•
Support bearing ring to minimize side
loading on the actuator’s output
bearing
•Mounting bracket
•
Required mounting fasteners
Figure 2. Frame Mount Kit.
ASK71.2U:
Allows mounting of OpenAir
actuators directly to a damper frame. Kit
should be used with louvers and vents and
in applications where use of the floor
mount kit is not possible.
Kit contains:
•Crank arm to change the angular
rotation into a linear stroke
•
Support bearing ring to minimize side
loading on the actuator’s output
bearing
•Mounting bracket
•
Required mounting fasteners
Figure 3. Crank Arm Kit.
ASK71.3
: Allows a direct-coupled actuator
to provide an auxiliary linear drive. Kit 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
•
Required mounting fasteners
Figure 4. Crank Arm Kit with Mounting
Bracket.
ASK71.4: Allows economical mounting of
an OpenAir actuator to a variety of
surfaces. Kit should be used in
applications where the actuator can be
rigidly surface mounted and a linear stroke
output is required. Kit contains:
•Crank arm to attach to the splined
hub of the shaft adapter
•Mounting bracket
•Required mounting fasteners

OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control Technical Instructions
Document No. 155-177P25
June 22, 2015
Siemens Industry, Inc. Page 5
Accessories,
continued
Figure 5. Tandem Mount Bracket.
ASK73.1: Bracket provides an extended
anti-rotation pin that allows two GIB13x
OpenAir actuators to directly drive a
single damper shaft. For use with three-
position actuators.
Figure 6. Special Shaft Adapter.
ASK74.1U:Shaft adapter attaches to a
1.05-inch (26.6 mm) diameter shaft;
whereas, the standard self-centering
adapter accepts up to a 1.00-inch
(25.4 mm) diameter shaft.
Adapter can be used for coupling to
1-
inch (25 mm) jackshafts that are slightly
oversized. Adapter is 13/16-inches (20
mm) shorter than the height of the self-
centering shaft adapter.
985-052P20: (no picture) Small shaft
insert (package of 20) when using the
GIB actuator on a damper shaft less than
3/4-inch (20 mm) diameter.
Figure 7. NEMA 3R Weather Shield.
ASK75.1U: GBB/GIB actuators are UL
listed to meet NEMA 3R requirements (a
degree of protection against rain, sleet,
snow, and damage from external ice
formation) when installed with the
ASK75.1U Weather Shield and
outdoor-rated conduit fittings in the
vertical position.
For dimensions, see Figure 24.
Figure 8. NEMA Type 4X Weather Shield.
ASK75.7U: GBB and GIB 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 25.
Figure 9. Heater/Weather
Shield Assembly.
985-106: Provides protection for GIB,
GBB and GCA OpenAir actuators in an
outside low temperature. Assembly
includes:
•Weather Shield (ASK75.1U)
•Heater Kit (985-105)

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control
Document No. 155-177P25
June 22, 2015
Page 6 Siemens Industry, Inc.
Figure 10. Conduit Adapter.
985-008: 1/2-inch (12 mm) for
1/2-inch NPT connector.
Service Parts
985-003
Position Indicators
(package of 10)
985-004
Standard Shaft Adapter
985-006
Anti-rotation (Mounting) Bracket
Figure 11. Orderable Parts.
Actuator
Components
Legend
1. Positioning scale for angle of
rotation
2. Connection cables
3. Manual override
4. Auxiliary switch B
5. Auxiliary switch A
6. Position indicator
7. Self-centering shaft adapter
8. Shaft adapter locking clip
9. Position indicator adapter
10. Mounting bracket
Figure 12. Components of the Floating Control Actuator.

OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control Technical Instructions
Document No. 155-177P25
June 22, 2015
Siemens Industry, Inc. Page 7
Operation GBB/GIB13x
A floating control signal controls the damper actuator. The actuator’s angle of rotation is
proportional to the length of time the signal is applied. A 24 Vac control signal to wires 1
and 6 (G-Y1) causes the actuator coupling to rotate clockwise. A 24 Vac control signal
to wires 1 and 7 (G-Y2) causes the actuator coupling to rotate counterclockwise.
If you want to reverse the direction of rotation, wires 6 and 7 (Y1 and Y2) may be
interchanged. Reverse the position indicator so that the counterclockwise 0 to 90 scale
is visible. See Figure 17.
In the event of a power failure or with no control voltage, the damper actuator holds its
position.
In the event of a blockage in the damper, the actuator is overload protected over the full
range to prevent damage to the actuator.
Life expectancy An improperly tuned loop will cause excessive repositioning that will shorten the life of
the actuator.
Dual auxiliary switch
GBB/GIB136
Actuator Scale:
Clockwise
Adjustment range for Switches A and B
Setting interval: 5°
Switching hysteresis: 2°
Actuator Scale:
Counterclockwise
NOTE: The auxiliary switch setting shafts turn together with the actuator. The scales
are valid only when the actuator is in the “0” position on clockwise motion.
To change the settings of A and B, use a
flat-blade screwdriver to turn the switch
adjustment dials to the desired setting at
which a signal is to be given.
Factory setting
Switch A 5°
Switch B 85°
Figure 13. Dual Auxiliary Switch Dials.

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control
Document No. 155-177P25
June 22, 2015
Page 8 Siemens Industry, Inc.
Sizing The number of actuators required depends on several factors. To determine the quantity
of actuators required for the installation:
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 = Torque Rating × Damper Area
4. Select the total quantity of actuators required:
Number of actuators =
ions)Specificat
to
(Refer
Torque
tor
x ActuaSF required
Torque
Damper
Total
1
1Safety Factor: When calculating the number of actuators required, a safety factor
should be included for unaccountable variables such as slight misalignments, aging of
the damper, etc. A suggested safety factor is 0.80 (or 80% of the rated torque).
Mechanical coupling of the actuator is allowed if:
1. The same type of actuator is used.
2. The power trunk can handle added components.
3. The same power and control inputs go to both actuators (parallel wiring).
Mounting and
Installation
Figure 14. Acceptable NEMA 2 positions.
•The actuator must be placed on the damper shaft so that the front of the actuator is
accessible. The label and the manual override button are the front side.
•The minimum damper drive shaft length is 3/4-inch (20 mm). The shaft length
determines whether the shaft adapter will be mounted on the front or back side of
the actuator.
•See Specifications for minimum and maximum damper shaft dimensions.
•Mount the position indicator to show either the clockwise or counterclockwise 0 to 90
scale.
•A mounting bracket is included with the actuator.
- Detailed mounting instructions are included with each actuator.
- The shaft adapter and mounting parts are shipped in a separate container with
the actuator.
•The actuator is shipped from the factory with a 5° pre-load to ensure tight close off
of the damper.

OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control Technical Instructions
Document No. 155-177P25
June 22, 2015
Siemens Industry, Inc. Page 9
Manual override To move the damper blades and lock
the position with no power present:
1. Determine damper rotation:
clockwise or counterclockwise.
2. Hold down the PUSH button.
3. Make adjustments to the damper
position.
4. Release the PUSH button.
Once power is restored, the actuator
returns to automated control.
Figure 15. Manual Override.
Mechanical range
adjustment The angular rotation is adjustable between 0 and
90° at 5-degree intervals. The range of shaft
movement is limited by mounting the shaft
adapter:
Begin by loosening the shaft adapter from the
damper shaft and remove the actuator from the
damper shaft.
1. Remove clip.
2. Remove shaft adapter from the actuator.
Figure 16.
Figure 17.
Figure 18.
Figure 19.
3. Return the actuator gear train to the “0” position using the following steps 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 17.
b. Hold down the PUSH button and rotate the shaft adapter to the left until it
stops. See Figure 18.
c. Release the PUSH button.
d. If the shaft adapter is not resting against the left raised stop, remove the
adapter and insert it against the left stop.
e. Place the position indicator to the "0" position on the outside scale. See
Figure 19.

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control
Document No. 155-177P25
June 22, 2015
Page 10 Siemens Industry, Inc.
Mechanical range
adjustment, continued Counterclockwise-to-open:
a. Insert the shaft adapter to the left as close as possible to the raised stop.
b. Hold down the PUSH button and rotate the shaft adapter to the right until it
stops.
c. Release the PUSH button.
d. If the shaft adapter is not resting against the right raised stop, remove the
adapter and insert it against the right stop.
e. Place the position indicator to “0” on the inside scale.
4. Determine the angle of rotation for the damper blade shaft. Subtract that amount
from 90°.
5. Remove the shaft adapter and insert it with the position indicator pointing to the
mark on the scale calculated in the previous step. See Figure 20.
6. Attach the clip.
7. Rotate the damper blade shaft to its "0" position.
8. Return the actuator to the damper shaft and tighten the shaft adapter to the damper
shaft.
Figure 20. Mechanical Range Adjustment.
Reversing the position
indicator Reverse the position indicator so that the counterclockwise 0 to 90 scale is visible.
Figure 21. Position Indicator.