Siemens GBB132.1U, GBB132.1P, GBB131.1P, GBB136.1P, GIB131.1U Technical Instructions

Technical Instructions

June 22, 2015

Electronic Damper Actuators

Non-spring Return 24 Vac, Floating Control, Rotary

and face and bypass dampers requiring up to

Document Number 155-177P25

OpenAir™ GBB/GIB Series

Description

The OpenAir direct coupled 24 Vac, non-spring return (NSR) rotary electric actuator
is designed for floating control of building HVAC dampers.

EA GBB/GIB-2

Features

Application

Product Numbers

221 lb-in (25 Nm)

310 lb-in (35 Nm)

• 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

These actuators are used in constant or variable air volume installations for the
control of return air, mixed air, exhaust,
221 lb-in (25 Nm) or 310 lb-in (35 Nm) torque.

Table 1.

24 Vac Operating Voltage

Torque Cabling Standard

Standard GBB131.1U GBB132.1U GBB136.1U
Plenum GBB131.1P GBB132.1P GBB136.1P
Standard GIB131.1U GIB132.1U GIB136.1U
Plenum GIB131.1P — GIB136.1P

Potentiometer

Only

Auxiliary

Switches

Only

Siemens Industry, Inc.

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control

Operating voltage 24 Vac, ±20%
Operating voltage Class 2, in accordance with UL/CSA

Feedback potentiometer (GBB132x)

Document No. 155-177P25
June 22, 2015

Warning/Caution Notations

WARNING:

CAUTION:

Specifications

Frequency 50/60 Hz

Power supply
Equipment rating

Auxiliary features

Power consumption: 7 VA/7W

Plenum type actuators as whole device Class 2, in accordance with UL/CSA

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°

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

Equipment damage or loss of data may occur if you do not perform a
procedure as specified.

Page 2 Siemens Industry, Inc.

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

Running torque

Shaft size 3/8 to 1-inch (8 to 25.6 mm) diameter

Enclosure NEMA 2 in vertical position to 90°

Ambient temperature

UL listed to UL873

Pre-cabled connection 18 AWG

Document No. 155-177P25
June 22, 2015

Specifications,
Continued

Function

Mounting

Housing

Ambient condi tions

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°

1/4 to 5/8-inch (6 to 18 mm) square
Minimum shaft length 3/4-inch (20 mm)

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

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

cUL certified to Canadian Standard
C22.2 No. 24-93

CE conformity:

Low-voltage directive 2006/95/EC

Miscellaneous

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)

Electromagnetic compatibility 2004/108/EC

Siemens Industry, Inc. Page 3

Technical Instructions OpenAir™ GBB/GIB Series Non-spring Return, 24 Vac, Floating Control

ASK71.1U:

OpenAir actuators. Kit should be used for
in
a foot
Kit contains:

Support bearing ring to minimize side

Required mounting fasteners

ASK71.2U:

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:

Support bearing ring to minimize side

Required mounting fasteners

ASK71.3

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:

Required mounting fasteners

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:

Document No. 155-177P25
June 22, 2015

Accessories

NOTE: Neither the auxiliary switches nor the feedback potentiometer can be added in

the field. Order the product number that includes these options.

Allows foot mounting of the

-the-air stream applications or anywhere

-mounted actuator can be mounted.

• Crank arm for changing angular

Figure 1. Floor Mount Kit.

Figure 2. Frame Mount Kit.

rotation into a linear stroke

•
loading on the actuator’s output
bearing

• Mounting bracket

•

Allows mounting of OpenAir

• Crank arm to change the angular
rotation into a linear stroke

•
loading on the actuator’s output
bearing

• Mounting bracket

•

Page 4 Siemens Industry, Inc.

Figure 4. Crank Arm Kit with Mounting

Figure 3. Crank Arm Kit.

Bracket.

: Allows a direct-coupled actuator

• Crank arm to attach to the splined
hub of the shaft adapter

•

• 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

Accessories,
continued

inch (25 mm) jackshafts that are slightly

Document No. 155-177P25
June 22, 2015

ASK73.1: Bracket provides an extended

Figure 5. Tandem Mount Bracket.

anti-rotation pin that allows two GIB13x
OpenAir actuators to directly drive a
single damper shaft. For use with three­position actuators.

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.

Figure 6. Special Shaft Adapter.

Figure 7. NEMA 3R Weather Shield.

Figure 8. NEMA Type 4X Weather Shield.

Adapter can be used for coupling to
1­oversized. Adapter is 13/16-inches (20
mm) shorter than the height of the self­centering 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.

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.

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, hose­directed 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.

Siemens Industry, Inc. Page 5

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)

Figure 9. Heater/Weather

Shield Assembly.