
9.4
Electrical configuration - I/0 module
Use wire gauge corresponding with the connection cable supplied!
Lay load lines separately to measuring lines!
2nd mixed heating cycle
Mixing valve 230 V
Closed
Open
Closed
Open
Closed
Open
Bypass valve
Indoor unit 230 V
1st mixed heating cycle
Mixing valve 230 V
Circulation pump
Hot water 230 V
Unmixed heating cycle
Pump 230 V (optional)
1st mixed heating cycle
Pump 230 V
Pump solar 230 V
unregulated
Changeover valve
Pump, cooling
Pump 230 V
2nd mixed heating cycle
Not assigned
Changeover valve
2. Heat generator (BVT)
Changeover valve
Hot water preparation
Power supply
230 V
Power supply
Internal pump - indoor unit
Power supply I/0 module
Communication
Outdoor unit
2 x 1.5 mm2
Power supply
Indoor unit
3 x 1.5 mm2
Terminal block X1.1
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Mains voltage connection provided by
the customer (bauseitig) from sub-distribution!
Mains voltage connection provided by the customer (bauseitig) from sub-distribution!
Outdoor unit
WKF 120 / WKF 120 Duo
230V/1~/N/Pe
E.g. 3 x 2.5 mm2
Outdoor unit
WKF 180 / WKF 180 Duo
400V/3~/N/Pe
E.g. 5 x 1.5 mm2
Electric heating coil 9kW
Mains voltage
400V/3~/N/Pe
E.g. 5 x 2.5 mm2
Plug on the heating coil
Potential-free
A34.1 General
alarm signal
A33.1 no
function
A32.1 enable
2. WE Smart BVT/Serv
A31.1 no
function
A30.1 no
function
Refrigerant
A24/25.1
S07.1
Solar
return flow
S04.1
Solar storage tank, bottom
S02.1
Solar collector
S01.1
Medium flow rate HP
S24.1
Medium flow rate solar
S23.1
Not connected
A22/23.1
A20/21.1
A04.1
A03.1
A02.1
A01.1
A14.1
A13.1
A12.1
A11.1
A10.1
NOTE: without blocking contactor,
jumper must be inserted
Closed = enable
Energy supply provider contact
S16.1
Heat pump RF
S15.1
2nd mixed heating cycle RF
S14.1
Coding resistor
RC.1
Heat pump inlet
S13.1
Communication Com-Kit 1
B2/A2
1st mixed heating cycle RF
S11.1
1st mixed Heating cycle inlet
S12.1
Operating module SMT 1
B1/A1
Outside temperature
S10.1
Storage tank, centre
S09.1
Hot water probe
S08.1
2nd mixed Heating cycle inlet
S06.1
Pump 0-10V
A46.1
2nd mixed Heating cycle
Circulation
S05.1
Temperature or impulse
Solar probe inlet
S03.1
Pump 0-10V (indoor unit)
A43.1
Pump 0-10V (HGU)
A42.1
Unmixed Heating cycle
Pump 0-10V (HGM)
A41.1
1st mixed Heating cycle
Speed setting PWM
A40.1
Solar pump
S29.1/GND
S28.1/GND
S27.1/GND
S26.1/GND
S25.1/GND
S0 PV feed-in
(min. 500 lmp./kWh)
S0 PV yield
(min. 500 lmp./kWh)
S0 household meter
(min. 500 lmp./kWh)
S0 HP electricity meter
(min. 500 lmp./kWh)
Not connected
SMT I/0 01
REMKO WKF / WKF-compact
52