2.9 Terminal assignment / legend - WKF/WKF-compact 70/120/180
Terminal Input Output Signal Connection layout
PW X Power supply I/O 230V
PP X Power supply primary pump indoor unit
S01 X Probe solar collector
S02 X Probe solar upper storage tank
S03 X Probe solar inlet, heat meter solar
S04 X Probe solar return, heat meter solar
S05 X Circulation return temp./Impuls
S06 X 2nd mixed heating cycle, probe inlet
S07 X Probr rrefrigerant line
S08 X Storage tank domestic water
S09 X Probe storage tank middle
S10 X External sensor
S11 X 1st mixed heating cycle, probe return
S12 X 1st mixed heating cycle, probe inlet
S13 X Heat pump inlet
S14 X 2nd mixed heating cycle, probe return
S15 X Heat pump return
S16 X
EVU contact (opener) / Dew point monitoring
(external)
S20 X Not connected
S21 X Not connected
S22 X Not connected
S23 X Ultrasonic flow rate meter solar, impulse rate
S24 X Ultrasonic flow rate meter heat pump, impulse rate
S25 X Heat pump electricity meter S0
S26 X Household electricity S0
S27 X Probe flow rate
S28 X PV yield electricity meter S0
S29 X PV power supply electricity meter S0
A01 X Unregulated solar pump (230 V)
A02 X 1st mixed heating cycle, pump (230 V)
A03 X Unmixed heating cycle, pump (230 V)
A04 X Circulation pump
A10 X Changeover valve domestic water
A11 X Changeover valve 2nd heat generator
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