OSRAM DIM MCU User Manual
Dim mcu, Manual control unit fitting instructions, Description
OSRAM GmbH
Kunden Service Center
Customer-Service-Center (CSC)
Steinerne Furt 62
86167 Augsburg
Germany
Tel : +49 (0) 1803 677 - 200
(kostenpflichtig / charges apply)
Fax.: +49 (0) 1803 677 - 202
www.osram.com
www.osram.de
40503003474246
4050300347424
Manual control unit
Fitting instructions
IV 2009
DIM_MCU_ma0904en_we1.01.indd
DIM MCU
↓ + – L
C
D
A
B
Description
Purpose and application
The DIM MCU electronic potentiometer (manual control unit)
controls up to 50 dimmable electronic control gears and enables
the manual brightness control of luminaires.
The potentiometer is mounted in flush device boxes.
Function
The potentiometer converts rotations of and pressure on the
rotary knob into 1...10V voltage signals, which are transmitted
to the dimmable electronic control gears.
Design
The potentiometer is made up of the following components:
• Rotary potentiometer (A)
• Connections (C)
– Control lines (+, –)
– Dimmed + switched phase (↓)
– Phase (L)
– Trimmer (B)
• Housing with rotary knob (D)
Installation
Safety instructions
The potentiometer must only be installed and put into operation
by a qualified electrician. The applicable safety regulations and
accident prevention regulations must be observed.
WARNING!
Exposed, live cables.
Danger of electric shock!
• Only work on the potentiometer when it is de-
energised.
CAUTION!
Destruction of the potentiometer and other devices
through incorrect mounting!
• The potentiometer is designed for mounting in
flush device boxes. If mounted elsewhere, provi-
deadequate cable strain relief and insulation.
• Do not wire the control line with an external volt-
age, especially not a mains voltage of 230 V.
• Do not exceed the maximum number of ECGs.
Continued on the back page!