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Figure 64: Setting elements for limit switching

Black section:

[1] Setting spindle: End position CLOSED

[2] Pointer: End position CLOSED

[3] Mark: End position CLOSED is set

White section:

[4] Setting spindle: End position OPEN

[5] Pointer: End position OPEN

[6] Mark: End position OPEN is set

9.4.1 End position CLOSED (black section): set

1. Engage manual operation.

2. Turn handwheel clockwise until valve is closed.

3. Turn handwheel by approximately half a turn (overrun) in the opposite direction.

4. Press down and turn setting spindle [1] with screw driver in direction of the

arrow and observe the pointer [2]: While a ratchet click is felt and heard, the

pointer [2] moves 90° every time.

5. If the pointer [2] is 90° from mark [3]: Continue turning slowly.

6. If the pointer [2] moves to mark [3]: Stop turning and release setting spindle.

➥

The end position CLOSED setting is complete.

7. If you override the tripping point inadvertently (ratchet click is heard after the

pointer has snapped): Continue turning the setting spindle in the same direction

and repeat setting process.

9.4.2 End position OPEN (white section): set

1. Engage manual operation.

2. Turn handwheel counterclockwise until valve is open.

3. Turn handwheel by approximately half a turn (overrun) in the opposite direction.

4. Press down and turn setting spindle [4] with screw driver in direction of the

arrow and observe the pointer [5]: While a ratchet click is felt and heard, the

pointer [5] moves 90° every time.

5. If the pointer [5] is 90° from mark [6]: Continue turning slowly.

6. If the pointer [5] moves to mark [6]: Stop turning and release setting spindle.

➥

The end position OPEN setting is complete.

7. If you override the tripping point inadvertently (ratchet click is heard after the

pointer has snapped): Continue turning the setting spindle in the same direction

and repeat setting process.

SA 07.2 – SA 16.2/SAR 07.2 – SAR 16.2 Control unit: electromechanic

Commissioning (basic settings) AC 01.2 Intrusive

AUMA AUMATIC AC 01.2 Operation Instructions

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