46 NIBE BA-SVM 10-200
Electronics
Main board (AA2)
LED Indication
Power:
Green
A steady light means that 12 V is
OK.
Run: Green Flashing once/sec. Indicates that
the processor is OK.
Com: Green Flashes irregularly during communi-
cation.
PWM1:
Orange
Continuous light during active output.
PWM2:
Orange
Continuous light during active output.
K1 - K4:
Orange
A steady light means that the rele-
vant relay is engaged.
Outputs
Output Function
K1 Reversing valve (QN10).
K2 Charge pump (GP12).
K3 Circulation pump (GP10).
K4 Reversing valve (QN12).
Inputs
Input Function
AUX5 External supply temperature sensor
(EQBT25 / BT64).
AUX6 Temperature sensor, heating medi-
um supply after immersion heater
(BT63).
Input circuit board (AA3)
Inputs
Input Function
AA3-X4-1 Current sensor (GND).
AA3-X4-2 Current sensor (BE1).
AA3-X4-3 Current sensor (BE2).
AA3-X4-4 Current sensor (BE3).
AA3-X6-1 Temperature sensor, outdoor (BT1).
AA3-X6-3 Temperature sensor, room (BT50).
AA3-X6-5 Temperature sensor, heating medi-
um, supply (BT25).
AA3-X6-7 Temperature sensor, hot water,
charging (BT6)
AA3-X6-9 AUX 1
AA3-X6-11 AUX 2
AA3-X6-13 AUX 3
AA3-X6-15 Temperature sensor, hot water, top
(BT7)
AA3-X6-17 Temperature sensor, heating medi-
um, return (BT71).
Outputs
Output Function
X7:1 K1 Potential free relay Common
X7:2 K1 Potential free relay NO
X7:3 K1 Potential free relay NC
Accesory board (AA23)
Inputs
Input Function
AA23-X1-1 Option, RCBO for KVR KIT
AA23-X1-6 Option, KVR KIT
AA23-X4-4 Option, next accersory card (AA5)
AA23-XJ4 Pressure sensor, high pressure
(BP4).
AA3-XJ15 Temperature sensor, liquid line
(BT15).
AA3-XJ12 Temperature sensor, condenser out
(BT12).
AA3-XJ13 Temperature sensor heating medium
return (BT3).
Section 6 | Component description