EN
Pin Function
2 Red LED connection
1-3 External switch connection
4 Ground
To enable the remote control, switch the On/Off switch to position 2.
12 Operation
fig. on page5
The On/Off switch
To turn the device on, press the On/Off switch to position 1.
To turn the device off, press the On/Off switch to position 0.
To enable the remote control, press the On/Off switch to position 2.
LED indicators
The device is equipped with a green and a red LED indicator, to display operating status.
LED Description
Green The device is on and properly operating
Red Device malfunction
13 Fuse replacement
WARNING!
• Electrocution hazard
• The installation may only be carried out by a qualified electrician.
The device is protected by an integral electronic circuit. Also, fuses are located inside the device. In case of reversed
polarity of a connection, a fuse blows. Devices with IVT function also feature a glass fuse inside the IEC socket for the
external mains connection. Spare fuses are included in the product packaging.
Replacing internal fuses
fig. on page5
1. Remove the six screws.
fig. on page6
2. Tilt the front panel forward .
3. Remove the lid .
15