Siemens ASC77.2U - Manual (Page 4)

Document No. 129-420
Installation Instructions
December 13, 2004
Manual Override
NOTE: When EAS is installed, you can still access the
manual override capability as shown in Figure
11.
0∞
0∞
GEB
GBB/GIB
GCA
GMA
EA1
185R1
Figure 11. Manual Override.
Auxiliary Switches
CAUTION:
There should be no load on the actuator
when setting the auxiliary switches.
Setting the Switches
With the actuator in the full-closed (0°) position, press in
and turn with a Phillips screwdriver to the desired
setting. Release pressure to set the switch.
The switch is now set.
~3.5
mm max.
10N
EA1
186R1
5
25
45 55 65
75
85
35
15 85
75
65 55 45 35
25
15
5 5
25
45 55 65
75
85
35
15 85
75
65
55 45 35
25
15
5
Figure 12. Press In, Turn to Adjust, Release to Set Switch.
A B
S1 S1 S4 S4
S2 S3 S2 S3 S5 S6 S5 S6
(Q12) (Q14) (Q14) (Q12) (Q22) (Q24) (Q22) (Q24)
(Q1
1)
(Q1
1)
(Q21) (Q21)
A B
5∞
5∞ 85∞
2∞
20∞ 30∞ 70∞ 90∞ 0∞ 10∞
EA1
187R1
Figure 13. Example of Switches Set to 5° and 85°.
Wiring
WARNING:
Do not mix operations. Apply only line voltage
or only Class 2 voltages to the switching
outputs of both auxiliary switches A and B.
A
24 Vac...250 V/6(2) A
(Q12) (Q14) (Q24) (Q22)
S2 S3 S5 S6
S1 S4
(Q1
1)
(Q21)
B
EA1
189R1
Figure 14. Wiring Diagram.
Wiring Designation
Wire Code Color Switch - Function
S1 Gray/red A Input
S2 Gray/blue A – NC
S3 Gray/pink A – NO
S4 Black/red B Input
S5 Black/blue B – NC
S6 Black/pink B – NO
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