Install Instructions
Technical Instructions OpenAir GMA Series, Spring Return, 62 lb-in Rotary, Electronic Damper Actuators
Document Number 155-315P25
March 6, 2018
Page 4 Siemens Industry, Inc.
Auxiliary Features
Control signal adjustment
Offset (start point) Between 0 to 5 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 AC-line voltage from the same phase or only UL-Class
2 voltage (SELV for CE conformance) to the switching outputs of
both auxiliary switches A and B. Mixed operation is not
permissible.
NOTE: With plenum cables, only UL-Class 2 voltage
(SELV for CE) is permitted.
Feedbac
k potentiometer
(GMA 132.1U)
Sliding contact (P2) 0 to 1000 ohm <10 mA
Load <1W
Voltage UL-Class 2 (SELV/PELV for CE)
<24 Vac/dc
Miscellaneous
Pre-cabled connection 18 AWG (0.75 mm
2
)
Cable length 3 feet (0.9 m) length
Noise level 40 dBA
Life cycle Designed for over 60,000 full stroke
cycles and a minimum of 1.5 million
repositions at rated torque and
temperature
Dimensions 8-3/8-in. H × 3-1/4-in. W × 2-2/3-in. D
(212 mm H × 83 mm W × 68 mm D)
Weight 2.9 lbs (1.3 kg)
Country of Origin USA