M
M
M
M
M
M
nsoSe r
Inputs
S nsore
Inputs
NOTE:
without blocking contactor,
jumper must be inserted
S0 Heat pump electr. meter
(min. 500 lmp./kWh)
S 25
S0 Household electricity
(min. 500 lmp./kWh)
S 26
S0 Gas meter
(min. 500 lmp./kWh)
S 27
S0 PV yield electricity meter
(min. 500 lmp./kWh)
S 28
S0 PV power suplly electr.
meter (min. 500 lmp./kWh)
S 29
S0 Speed specification solar
pump PWM
A 40
Pump HGM
A 42
Pump HGU
A 42
Speed specification primary
pump indoor module
0-10V
A 43
Solar inlet WMZ
S 03
Solar return WMZ
S 04
Circulation return
temp./impuls
S 05
Solar / pool /
2 storage tank
S 07
Not connected
S 06
Storage tank
domestic water
S 08
Midd. storage tank
acquisition
of foreign energy
S 09
External sensor
S 10
Inlet underfloor
S 12
Return underfloor
S 11
Heat pump inlet
S 13
Not connected
S 14
Heat pump return
S 15
EVU contact
S 16
Closed = release
Connected
A 24/25
Terminal block X1
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Connected
Power supply
Communication
Indoor module
3x1,5mm
2
Changeover valve
solar heating
Open
Close
A 22/23
Bypass mixer
indoor module
A 20/21
HGM mixer
heating cycle
underfloor
A 04
Circulation pump
230 V
A 03
Heating cycle pump
230 V optional
A 02
Underfloor heating pump
230 V optional
A 01
Solar pump
230 V unregulated
A 14
Changeover valve /
cooling pump
A 13
Not connected
A 12
Changeover valve /
solar
A 11
Changeover valve /
Smart BVT
2th heat generator
A 10
Changeover valve /
domestic water
230 V
continuous voltage
Power supply primary
pump indoor module
Power supply I/0 module
S 20 - General alarm signal
outdoor module
S 21 - Operation compressor
S 22 - Operation defrost
S 23 - Ultrasonic flow rate meter solar
S 24 - Ultrasonic flow rate meter heat pump
S 01- Solar collector
S 02- solar upper storage tank
Potential free
A 30
A 31
A 32
A 33
A 34
230V /1~/N/Pe
400V /3~/N/Pe
z.B. 3x 2,5mm²
z.B. 5x 1,5mm²
Outdoor module WKF 180 / WKF 180 Duo
Outdoor module
WKF 85/120 / WKF 120 Duo
Mains voltage connection takes place on site
from Sub-distribution!
1 2 3 4 Pe
Mains voltage connection takes place on
site from Sub-distribution!
E-heating coil
9KW
Power supply
400V/3~/N/P/E
e.g. 5x2,5mm
2
Plug on the electric heating coil
Outdoor module
3x1,5mm
2
Emergency
stop outdoor
module
Heating/
cooling
Release
2. heat gener.
BVT/Serv
Release
compressor
Without
function
Open
Close
Open
Close
Fig. 28: Structure electrical connection, I/0 module
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