43
EN-114B_f.1294
Plug
Sensor
Type
F12
Heating flow temperature sensor with mixer M2 / HC2 NTC 10 kΩ
F13
System flow temperature sensor (on buffer cylinder and
external mixer heat generator)
NTC 10 kΩ
F14
Cooling circuit flow temperature sensor (heating circuit
without mixer A1 / HC1 or separate cooling circuit SKK) NTC 10 kΩ
F16
Room temperature sensor in the cooling circuit
■
Required for a separate SKK cooling circuit
■
Recommended for the heating / cooling circuit without
mixer A1 / HC1
NTC 10 kΩ
F20
Temperature sensor of water in the boiler of the external
heat generator
NTC 10 kΩ
F23
In the case of a cascade of heat pumps: Temperature
sensor at the exit of the buffer cylinder
NTC 10 kΩ
KM bus (spare cores)
■
Mixer extension kit for the heating circuit M3 / HK3,
-
Modbus (do not swap wires)
Connection of the energy meter of the photovoltaic
system
-
J1
Modbus terminating resistor bridge
Terminating resistor active (delivered condition)
Load resistor inactive
-
X18
Modbus (do not swap wires)
■
Connected at the factory: Bus connection cable Mod
-
bus with external module
-
X31
Space for coding plug
-