REMKO WKF 85 - Manual (Page 61)

Terminal Input Output Signal Connection layout
A11 X Changeover valve 2. heat generator
A12 X Changeover valve solar / 2. storage tank pool
A13 X Not connected
A14 X Changeover valve / pump cooling
A20 X HK2 mixer open
A21 X HK2 mixer closed
A22 X Bypass mixer open
A23 X Bypass mixer closed
A24 X Changeover valve solar heating (open)
A25 X Changeover valve solar heating (close)
A30 X Heat pump emergency stop (outdoor module)
A31 X Heat pump heating / cooling (operating mode)
A32 X
Enable 2. heating generator auxillary heater or
vessel
A33 X Enable compressor
A34 X Without function
A40 X Speed specification solar pump PWM
A41 X Speed specification heating cycle floor (0-10V)
A42 X Speed specification heating cycle radiator-10V)
A43 X
Speed specification primary pump indoor module
0-10V
A44 X Setpoint specification outdoor module 0-10V
A45 X
Speed specification pump heating cycle floor (sec-
ondery circuit / system separation)
A46 X Not connected
MI
Without function
MO
CLK
nSS
GND
OT 1 (2x) Opentherm 2 heating generator Interface
OT 2 (2x) Not connected
B1,A1,GND
+12 Volt,
Operating module
B2 / A2 RS 485_2
B3 / A2 RS 485_3
R RC coding resistor, WKF 85/120/180
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