The is a reliable and robust analogue time switch designed for DIN rail mounting, often utilized for daily programming of heating, lighting, or other electrical systems. Known for its quartz-controlled accuracy and simple, visual operation, this timer has been a staple in residential and commercial applications.
Unplug the unit. Use isopropyl alcohol on a cotton swab. Never use oil or grease – the manual explicitly warns against lubrication, as it attracts dust.
Sometimes you need to bypass your schedule without deleting your hard work.
Programming this timer involves using a "RUN" selector switch and specific buttons to cycle through days and times.
Do not turn the dial counter-clockwise – only clockwise.
Most Diehl 181 models use a 24-hour clock. If it is 3:00 PM, align the pointer with "15."
Each segment represents 15 minutes. For example, pushing four segments outward equates to a one-hour "ON" period. C. Manual Override Switch
If your Diehl Multi Timer 181 5 features a quartz movement ( Q designation), it includes a rechargeable NiMH or NiCd battery backup to keep time during power outages.
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