Users frequently wire the control switch between A1 and Y1 incorrectly. On the Diehl 181-5, many variants require the control signal to bridge (often A2, not A1). Always verify using the diagram in your PDF.

Leave pins in their inward (original) position for the periods the device should be off.

The is a legacy electromechanical 24-hour time switch used primarily for industrial and domestic automation, such as controlling heating systems, lighting, or pumps. While Diehl Controls has shifted focus toward electronic systems, documentation for the 181 series (often cross-referenced with Theben SUL 181 models due to shared design standards) remains available through manual repositories . Technical Specifications Time Cycle: 24-hour daily program.

The Diehl Multitimer 181-5 boasts an array of features that make it an ideal solution for various timing and control applications. Some of its key features include:

: Rotate the dial clockwise until the current time aligns with the indicator arrow. Set Programs : Push the segments for "ON" periods and leave them for "OFF" periods.

If you need a digital copy of the full manual, you can find various versions hosted on the following platforms: : Detailed 884/181-5 series instructions.