The Diehl Multi Timer 181 5 is a classic, highly reliable analog time switch. It is widely used for controlling heating systems, swimming pool pumps, lighting circuits, and industrial machinery. Because these robust German-engineered devices last for decades, many users inherit them without the original paperwork.
Ensure the slider is set to AUTO for the timer to follow your programmed schedule.
Press the or 1-7 button to cycle through the current day of the week (1 representing Monday, 7 representing Sunday).
Press the to match the day grouping selected during Step 1. diehl multi timer 181 5 manual
Leave the segments pushed inward (resting position). Manual Override Switch Functions
Locate the clock hands situated in the center section of the main dial.
Installation and commissioning must only be performed by qualified electricians. The Diehl Multi Timer 181 5 is a
Press the to isolate your desired target days. Continuing to click this button cycles through custom groupings: Individual distinct days Mon-Fri profile (arrows under 1 through 5 ) Weekend profile (arrows under 6 and 7 ) Complete week profile (arrows under 1 through 7 )
Safety is paramount when dealing with electrical equipment. Please adhere to the following guidelines:
Locate the master slider switch (often labeled or showing a clock icon). Ensure the slider is set to AUTO for
Verify that Terminal 3 has a live line bridge connected to it. The timer acts as a dry contact switch, meaning it does not supply voltage natively to Terminals 4 and 5 unless it is bridged from a power source.
Turn the large outer dial clockwise until the current time aligns with the pointer.
The Diehl Multi-Timer 181-5 is an . First purchased around 1995 for 59.90 DM, this timer has proven itself as a robust and reliable solution for automating electrical loads.
Most models feature a button (often marked with a hand or bulb icon) to manually toggle the power without changing your programmed settings.