Siemens Industry, Inc.
Technical Instructions
Document No. 155-176P25
EA GBB/GIB-1
June 22, 2015
OpenAir™ GBB/GIB
Series
Electronic Damper Actuators
Non-Spring Return, 24 Vac, Modulating Control
Description
The OpenAir, non-spring return (NSR), 24 Vac, rotary, direct-coupled, electric actuator
is designed for modulating control of building HVAC dampers.
Features
•
Built-in feedback on modulating units
•
Unique self-centering shaft coupling
•
All metal housing
•
Two torque ranges available
•
Manual override
•
Offset and span adjustment models available
•
Independently adjustable dual auxiliary switches available
•
UL, cUL and CE listed
Product Numbers
Table 1.
24 Vac Operating Voltage
Torque
Input
Signal
Cabling
Standard
Span/Offset
Adjustable
Dual Auxiliary
Switches and
Span/Offset
Adjustable
Dual Auxiliary
Switches only
221 lb-in
(25 Nm)
0 to 10 Vdc
Standard
GBB161.1U
GBB163.1U
GBB164.1U
GBB166.1U
Plenum Cable GBB161.1P
GBB163.1P
GBB164.1P
GBB166.1P
310 lb-in
(35 Nm)
0 to 10 Vdc
Standard
GIB161.1U
GIB163.1U
GIB164.1U
GIB166.1U
Plenum Cable GIB161.1P
GIB163.1P
GIB164.1P
GIB166.1P
Application
These actuators are used in constant or variable air volume installations for the control of supply
return air, mixed air, exhaust, rooftop units, and face and bypass dampers requiring up to 221 lb-in
(25 Nm) torque or 310 lb-in (35 Nm) torque.
