
2.8 Electrical configuration - I/O module - WKF NEO compact 70/120/180
Use wire gauge corresponding with the connection cable supplied!
Lay load lines separately to measuring lines!
2nd mixed cycle
Mixing valve 230 V
Closed
Open
Closed
Open
Closed
Open
Bypass valve
Indoor unit 230 V
1st mixed cycle
Mixing valve 230 V
Circulation pump
Hot water 230 V
Unmixed cycle
Pump 230 V (optional)
1st mixed cycle
Pump 230 V
Pump solar 230 V
unregulated
Changeover valve
Pump, cooling
Pump 230 V
2nd mixed 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
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
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 cycle RF
S14
Coding resistor
RC
Heat pump inlet
S13
Communication Com-Kit 1
B2/A2
1st mixed cycle RF
S11
1st mixed cycle inlet
S12
Operating module SMT 1
B1/A1
Outside temperature
S10
Storage tank, centre
S09
Hot water probe
S08
2nd mixed cycle inlet
S06
Pump 0-10V
A46
2nd mixed cycle
Circulation
S05
Temperature or impulse
Solar probe inlet
S03
Pump PWM (indoor unit)
A43
Pump 0-10V (HGU)
A42
Unmixed cycle
Pump 0-10V (HGM)
A41
1st mixed 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
Power supply
Indoor module
3 x 1,5 mm²
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
Assigned
E
P
N
N
N
L
L
L
F1
F2
E
P
N
N
N
1
A
2
A
O
N
L3
L2
L1
T3
T2
T1
0
1
Assigned
Assigned
Assigned
Assigned
Assigned
Power supply
Electric heating coil
5 x 1,5 mm²
Communication
Outdoor module
2 x 1,5 mm²
1
A
2
A
O
N
L3
L2
L1
T3
T2
T1
0
1
REMKO series WKF NEO-compact
16
Summary of Contents for WKF Neo-Compact Series
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