2.12 Terminal assignment / legend - WKF/WKF compact 80 to 170
Designation Input Output Signal Description
PW X Power supply I/O 230V
PP X Power supply primary pump, indoor unit
S01 X Solar probe collector
S02 X Solar probe storage tank, bottom
S03 X Solar probe inlet HM solar
S04 X Solar probe RF HM solar
S05 X Circulation RF temp./impulse
S06 X 2nd mixed HC, INL probe
S07 X Probe refrigerant piping
S08 X Domestic hot-water tank
S09 X
Probe storage tank centre
(storage energy acquisition)
S10 X External probe
S11 X 1st mixed HC, RF probe
S12 X 1st mixed HC, INL probe
S13 X Heat pump inlet
S14 X 2nd mixed HC, RF probe
S15 X Heat pump RF
S16 X
Energy supplier contact (NC) / dew point monitoring
(external)
S20 X Not connected
S21 X Not connected
S22 X Not connected
S23 X Ultrasonic flow rate meter Solar, pulse rate
S24 X Ultrasonic flow rate meter HP, impulse rate
S25 X HP electricity meter S0
S26 X Household electricity S0
S27 X Flow probe
S28 X PV yield electricity meter S0
S29 X PV in-feed electricity meter S0
A01 X Solar pump unregulated (230 V)
A02 X 1st mixed HC, pump (230 V) switched
A03 X Unmixed HC, pump (230 V) switched
A04 X Circulation pump
A10 X Changeover valve, drinking water
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