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

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

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