Designation Input Output Signal Description
A12.2 X Not connected
A13.2 X 4th mixed heating cycle pump (230V) switched
A14.2 X Not connected
A20.2 X 3rd mixed heating cycle mixing valve open (230V)
A21.2 X 3rd mixed heating cycle mixing valve closed (230V)
A22.2 X Not connected
A23.2 X Not connected
A24.2 X 4th mixed heating cycle mixing valve open (230V)
A25.2 X 4th mixed heating cycle mixing valve closed (230V)
A30.2 X Not connected
A31.2 X Not connected
A32.2 X Not connected
A33.2 X Not connected
A34.2 X Not connected
A40.2 X Not connected
A41.2 X 3rd mixed heating cycle pump (0-10V)
A42.2 X Not connected
A43.2 X
Speed setting primary pump indoor unit
(PWM) I/O-2
A44.2 X Not connected
A45.2 X Not connected
A46.2 X 4th mixed heating cycle pump (0-10V)
MI
Non functional
MO
CLK
nSS
GND
OT 1 (2x) Non functional
OT 2 (2x) Non functional
B1, A1
+12 V
olt,
GND
Communication I/O module 1
B2 / A2 Communication Com-Kit 2
B3 / A2 Non functional
RC.2 RC coding resistance slave 1
REMKO WKF series
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