Siemens ASC77.2U specifications Auxiliary Switches, Wiring, Manual Override, Setting the Switches

Models: ASC77.2U

1 5
Download 5 pages 21.05 Kb
Page 4
Image 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∞

GBB/GIB

GEB

EA1185R1

GMA

GCA

 

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

EA1186R1

5

 

 

 

85

5

 

5

 

 

85

5

85 15

65

55

45

85

55

45

35

15

65

35

15

 

 

 

 

75

15

 

 

75

 

75 25 35 45 55 65 25

 

 

75 25 35 45 55 65 25

 

 

Figure 12. Press In, Turn to Adjust, Release to Set Switch.

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0∞

5∞ 10∞ 20∞ 30∞

 

70∞

 

 

 

85∞ 90∞

 

 

 

 

 

 

5∞

 

 

 

 

 

 

 

 

 

 

 

2∞

 

 

 

 

 

A

 

 

 

 

 

 

 

 

 

 

 

 

B

 

 

 

S1

 

S1

 

 

S4

 

 

 

 

S4

EA1187R1

(Q11)

(Q14)S3

 

(Q11)

S3(Q14)

 

 

(Q21)

S6(Q24)

 

 

 

 

(Q21)

 

S2

S2

 

 

S5(Q22)

 

 

 

S5

S6

 

(Q12)

 

 

(Q12)

 

 

 

 

 

 

 

 

 

 

 

(Q22)

(Q24)

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.

24 Vac...250 V/6(2) A

 

 

 

 

 

S1

 

S4

 

 

 

 

 

(Q11)

 

(Q21)

 

 

 

 

 

 

A

 

B

 

 

EA1189R1

 

 

 

S3

S5

S6

 

 

 

S2

 

 

 

 

(Q12)

(Q14)

(Q22)

(Q24)

 

 

 

 

 

 

 

 

 

 

 

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

Page 4 of 5

Siemens Building Technologies, Inc.

Page 4
Image 4
Siemens ASC77.2U specifications Auxiliary Switches, Manual Override, Setting the Switches, Wiring Designation