Dantherm HCC 2 ALU Manual De Servicio página 23

Installation : Connecting additional equipment
Dig . input
The unit is fitted with 2 overrule inputs, also called digital inputs. These inputs can be used for
selecting other fan speed level or activating alarms. As default the digital input are setup to:
• Dig. input 1: Ventilation step 2
• Dig. input 2: Ventilation step 4
How it works (example to the right):
• Switch DI1 between pin 2 & 4 will activate input 1
• Switch DI2 between pin 3 & 4 will activate input 2
Dig. input can be used for:
• Ventilation steps from 0 - 4
• Safety shutdown
• High water level sensor.
• Kitchen hood boost
• And more
Find relevant information and settings in the PC Tool, under External Control.
DIG IN
1 2 3 4
1: 12VDC
2: Dig. in 1
3: Dig. in 2
4: GND
DI2
DI1
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