Jung 225 NV DE Quick Start Manual Download Page 2

3 Function 

Intended purpose 

Switching and dimming incandescent lamps, HV halogen lamps and LV dimmable 
inductive transformers with halogen lamps. 

Suitable for mixed operation up to the specified output. 

Installation in appliance box to DIN 49073. 

No operation with Tronic transformers. 

Product characteristics 

Phase cut-on dimming principle 

Soft locking on actuation 

Short-circuit protection through fine-wire fuse 

Electronic overtemperature protection 

Changeover switch possible in combination with two dimmers 

Control output 

A

 to output the switching status of the device to control automatic power 

disconnection or relay 

Control output 

A

 may not be used as a load output. 

Flickering of the connected lamps due to undershoot of the specified minimum load or 
through centralised pulses from the power stations and soft humming of the device due to 
the radio interference suppressor. These are not device faults. 

4 Operation 

Switch light 

Press the control button. 

Adjust the brightness 

Light is switched on. 

Turn the control button in the clockwise direction. 
The light gets brighter up to maximum brightness. 

Turn the control button in the anti-clockwise direction. 
Light gets darker to minimum brightness. 

5 Information for electrically skilled persons 

5.1 Fitting and electrical connection 

DANGER! 
Electrical shock when live parts are touched. 
Electrical shocks can be fatal. 
Before working on the device, disconnect the power supply and cover up live 
parts in the working environment. 

2/5 

32534523 
J:0082534523 

30.10.2013 

Light Management  

Rotary dimmer 

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