
DA 820 LPC • DA 820 • ECT 820 • DCT 820 Fans
Technical User Guide
23
4.6.4 Terminals on relay module
Relay module 445076 can be purchased as accessories.
Ground
Normal = open
Reverse = GND (Short-circuit connection between terminal 15
and GND)
Not in use
Alarm NO
Max. 30 V DC / 24 V AC
Alarm NC
Mount the relay module as shown in the picture.