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Heat pump controller RS8GF202 © Danfoss 2015-08
AK-HP 780
Extension module AK-XM 102A / AK-XM 102B
AK-XM 102B
Max. 230 V
On/Off:
On: DI > 80 V a.c.
Off: DI < 24 V a.c.
AK-XM 102A
Max. 24 V
On/Off:
On: DI > 10 V a.c.
Off: DI < 2 V a.c.
Function
The module contains 8 inputs for on/off voltage signals.
Signal
AK-XM 102A is for low voltage signals.
AK-XM 102B is for high voltage signals.
Supply voltage
The supply voltage to the module comes from the previous
module in the row.
Light-emitting diodes
They indicate:
• Voltage supply to the module
• Communication with the controller is active (red = error)
• Status of the individual inputs 1 to 8 (when lit = voltage)