When replacing, use the to map the old wiring to the new device's terminal diagram.

To help you better understand the features and applications of the 181-5, we have prepared a comprehensive PDF guide. This guide includes detailed technical specifications, programming instructions, and application examples.

Follows the programmed segment schedule.

15 minutes (represented by individual segments) Program Cycle: 24 hours (Daily repeat)

The electronic program timers from Diehl, including the 181-5, share many basic operating principles. Below are the fundamental steps to get your timer up and running, based on the "Variotime" series operating manual. The 181-5 likely follows a very similar process.

Press the button to select the program cycle (e.g., 1 ON, 2 OFF, 3 ON, etc.).

To help you find specific wiring diagrams or help replace this unit, could you share this timer is currently controlling, and whether you are looking to wire it up or replace it with a modern digital equivalent ? Share public link

Gently try to advance it clockwise. If it remains completely frozen, the internal gears have failed. 5. Why Modern Users Look for the PDF Manual

The timer includes a crucial feature for reliability: a power failure backup. In case of a power cut, the Variotime timer will retain the correct time of day and day of the week for a minimum of 5 minutes. This prevents your device's schedule from being thrown off by brief power interruptions.

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Because Diehl and Theben often shared mechanical designs, the Theben SUL 181 H PDF on Scribd is frequently used as a direct functional equivalent. Downloads | Diehl Controls Downloads * Purchasing Conditions. * Directives. new.diehl.com

Switch off the main power supply before attempting any installation or removal of the Diehl Multi Timer 181-5.

Diehl Multi Timer 181-5 is a versatile weekly programmable digital timer used for controlling electrical circuits, common in applications like water heaters, lighting systems, and industrial controls. Key Features & Specifications Programmable Schedule