Actuator Components - Siemens OpenAir GCA Series Technical Instructions

OpenAir GCA Series Spring Return 142 lb-in Electronic Damper Actuator
Specifications,
continued
Housing
Miscellaneous
Actuator
Components
11
12
Siemens Building Technologies, Inc.
Enclosure
Material
Gear lubrication
Pre-cabled connection
Cable length
Noise level
Life cycle
Dimensions
Weight
90
1
2
3
Span, DU
5
2
10
4
15
20
30
25
Offset, Uo
1
0
2
5
3
5 4
Figure 1. Modulating GCA Actuator.
Not all features are on all models.
NOTE:
Table 1
See for a listing of features per
model.
NEMA 2 in vertical to horizontal 90°
See Figure 17.
NEMA 3R rated when installed with
ASK75.1U Weather Shield in the
vertical position. See Figure 18.
See Accessories, Figure 9.
Die cast aluminum alloy
Silicone-free
18 AWG
3 feet (0.9 m)
<45 dBA (running)
Designed for over 60,000 full strokes
and a minimum of 1.5 million
repositions at rated torque and
temperature.
See Figure 29.
4.85 lb (2.2 kg)
10
9
8
A
7
B
Manual
Override
Gear Train
Lockpin
6
13
14
Technical Instructions
Document No. 155-173P25
Legend
1. Positioning scale for angle of
rotation
2. Manual override wrench
opening and direction of
rotation arrow
3. DIP switches
4. Span adjustment
5. Offset (start point) adjustment
6. Gear train lock pin
7. Auxiliary switch B
8. Auxiliary switch A
9. Position indicator
10. Self-centering shaft adapter
11. Shaft adapter locking clip
12. Position indicator adapter
13. Mounting bracket
14. Connection cables
March 17, 2006
Page 5