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

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∞

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.

Image 4
Contents OpenAir External Auxiliary Switch SpecificationsExpected Installation Time Product DescriptionInstallation New Actuators, Remove Pre-loadRemoving Preload Preparing the Actuator Shaft AdapterPreparing the EAS for Mounting Mounting External Auxiliary Switch to ActuatorShort shaft applications Auxiliary Switches WiringSetting the Switches Wiring DesignationDimensions Siemens Building Technologies, Inc

ASC77.2U specifications

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