REMKO WKF 120, Electrical Wiring Manual, Page: 16 / 52

2.8 Structure electrical connection I/O module -
WKF/WKF-compact 70/120/180
Cable cross-sections corresponding to the supplied connection cable!
Place the load lines separatly from the measure 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
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 from sub-distribution!
Outdoor unit WKF NEO 70 / 120 230V/1~/N/Pe E.g. 3 x 2.5 mm
2
Outdoor unit WKF NEO 180 400V/3~/N/Pe E.g. 5 x 1.5 mm
2
Electric heating coil 6 kW Mains voltage 400V/3~/N/Pe E.g. 5 x 2.5 mm
2
Plug on the heating coil
Potential-free
A34 General
alarm signal
A33 no
function
A32 enable
2. WE Smart BVT/Serv
A31 no
function
A30 no
function
Refrigerant
A24/25
S07
Solar
return flow
S04
Solar storage tank, bottom
S02
Solar collector S01
Medium flow rate HP S24
Medium flow rate solar
S23
Not connected
A22/23
A20/21
A04
A03
A02
A01
A14
A13
A12
A11
A10
NOTE: without blocking contactor,
jumper must be inserted
Closed = enable
Energy supply provider contact S16
Heat pump RF
S15
2nd mixed heating cycle RF
S14
Coding resistor RC
Heat pump inlet
S13
Communication Com-Kit 1 B2/A2
1st mixed heating cycle RF
S11
1st mixed Heating cycle inlet
S12
Operating module SMT 1
B1/A1
Outside temperature S10
Storage tank, centre S09
Hot water probe
S08
2nd mixed Heating cycle inlet
S06
Pump 0-10V
A46
2nd mixed Heating cycle
Circulation
S05
Temperature or impulse
Solar probe inlet
S03
Pump PWM (indoor unit)
A43
Pump 0-10V (HGU) A42
Unmixed Heating cycle
Pump 0-10V (HGM)
A41
1st mixed Heating cycle
Speed setting PWM
A40
Solar pump
S29/GND
S28/GND
S27/GND
S26/GND
S25/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)
Sensor flow rate
SMT I/O
REMKO WKF series
16