-X2
7-N-PE
Solar pump
230V, max. 1A
8-N-PE
Suction Pump
230V, max. 1A
Tab.8
Connections -X3
-X3
3-4
Flow / Pressure switch
9-10
External thermostat
11-12
Remote on / off
13-14
Smart Grid 1 / Tariff
15-16
Smart Grid 2 / Tariff
17-18
Deactivation load pump
Tab.9
Connections -X5
-X5
1-2
Central fault
Tab.10 Connections -X6
-X6
1-2
Outside temperature
3-4
Hot water temperature
5-6
Mixing circuit temperature 1 / source defrost
7-8
Mixing circuit temperature 2 collector tempera
ture
9-10
Set point, Space, Buffer or Heating solar stor
age tank temperature
11-12
Buffer tank sensor
15-16
Control of the return pump 0-10V
17-18
Control mixer 1 0-10V
19-20
Control mixer 2 0-10V
Tab.11 Connections -X7
-X7
1
pLAN connection
2
3
PE
Tab.12 Connections -X8
-X8
1-N-PE
Power supply fan 1
2-N-PE
Power supply fan 2
Tab.13 Connections -X9
-X9
1-2
Safety chain HD
5-N-PE
4-way valve
6-N-PE
EVI solenoid valve
9-N-PE
Crankcase heater
3 Technical specifications
7697291 - v.05 - 11032022
15